drm: Merge tag 'v3.3-rc7' into drm-core-next

Merge the fixes so far into core-next, needed to test
intel driver.

Conflicts:
	drivers/gpu/drm/i915/intel_ringbuffer.c

564 files changed, 3939 insertions, 42859 deletions

diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 2b805d7ef317..8ae05ce18500 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -586,13 +586,6 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
 	if (pr->flags.need_hotplug_init)
 		return 0;
 
-	/*
-	 * Do not start hotplugged CPUs now, but when they
-	 * are onlined the first time
-	 */
-	if (pr->flags.need_hotplug_init)
-		return 0;
-
 	result = acpi_processor_start(pr);
 	if (result)
 		goto err_remove_sysfs;
diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
index a7d91a72ee35..53d3770a0b1b 100644
--- a/drivers/ata/pata_at91.c
+++ b/drivers/ata/pata_at91.c
@@ -207,11 +207,11 @@ static void set_smc_timing(struct device *dev, struct ata_device *adev,
 {
 	int ret = 0;
 	int use_iordy;
+	struct sam9_smc_config smc;
 	unsigned int t6z;         /* data tristate time in ns */
 	unsigned int cycle;       /* SMC Cycle width in MCK ticks */
 	unsigned int setup;       /* SMC Setup width in MCK ticks */
 	unsigned int pulse;       /* CFIOR and CFIOW pulse width in MCK ticks */
-	unsigned int cs_setup = 0;/* CS4 or CS5 setup width in MCK ticks */
 	unsigned int cs_pulse;    /* CS4 or CS5 pulse width in MCK ticks*/
 	unsigned int tdf_cycles;  /* SMC TDF MCK ticks */
 	unsigned long mck_hz;     /* MCK frequency in Hz */
@@ -244,26 +244,20 @@ static void set_smc_timing(struct device *dev, struct ata_device *adev,
 	}
 
 	dev_dbg(dev, "Use IORDY=%u, TDF Cycles=%u\n", use_iordy, tdf_cycles);
-	info->mode |= AT91_SMC_TDF_(tdf_cycles);
-
-	/* write SMC Setup Register */
-	at91_sys_write(AT91_SMC_SETUP(info->cs),
-			AT91_SMC_NWESETUP_(setup) |
-			AT91_SMC_NRDSETUP_(setup) |
-			AT91_SMC_NCS_WRSETUP_(cs_setup) |
-			AT91_SMC_NCS_RDSETUP_(cs_setup));
-	/* write SMC Pulse Register */
-	at91_sys_write(AT91_SMC_PULSE(info->cs),
-			AT91_SMC_NWEPULSE_(pulse) |
-			AT91_SMC_NRDPULSE_(pulse) |
-			AT91_SMC_NCS_WRPULSE_(cs_pulse) |
-			AT91_SMC_NCS_RDPULSE_(cs_pulse));
-	/* write SMC Cycle Register */
-	at91_sys_write(AT91_SMC_CYCLE(info->cs),
-			AT91_SMC_NWECYCLE_(cycle) |
-			AT91_SMC_NRDCYCLE_(cycle));
-	/* write SMC Mode Register*/
-	at91_sys_write(AT91_SMC_MODE(info->cs), info->mode);
+
+	/* SMC Setup Register */
+	smc.nwe_setup = smc.nrd_setup = setup;
+	smc.ncs_write_setup = smc.ncs_read_setup = 0;
+	/* SMC Pulse Register */
+	smc.nwe_pulse = smc.nrd_pulse = pulse;
+	smc.ncs_write_pulse = smc.ncs_read_pulse = cs_pulse;
+	/* SMC Cycle Register */
+	smc.write_cycle = smc.read_cycle = cycle;
+	/* SMC Mode Register*/
+	smc.tdf_cycles = tdf_cycles;
+	smc.mode = info->mode;
+
+	sam9_smc_configure(0, info->cs, &smc);
 }
 
 static void pata_at91_set_piomode(struct ata_port *ap, struct ata_device *adev)
@@ -288,20 +282,20 @@ static unsigned int pata_at91_data_xfer_noirq(struct ata_device *dev,
 	struct at91_ide_info *info = dev->link->ap->host->private_data;
 	unsigned int consumed;
 	unsigned long flags;
-	unsigned int mode;
+	struct sam9_smc_config smc;
 
 	local_irq_save(flags);
-	mode = at91_sys_read(AT91_SMC_MODE(info->cs));
+	sam9_smc_read_mode(0, info->cs, &smc);
 
 	/* set 16bit mode before writing data */
-	at91_sys_write(AT91_SMC_MODE(info->cs),
-			(mode & ~AT91_SMC_DBW) | AT91_SMC_DBW_16);
+	smc.mode = (smc.mode & ~AT91_SMC_DBW) | AT91_SMC_DBW_16;
+	sam9_smc_write_mode(0, info->cs, &smc);
 
 	consumed = ata_sff_data_xfer(dev, buf, buflen, rw);
 
 	/* restore 8bit mode after data is written */
-	at91_sys_write(AT91_SMC_MODE(info->cs),
-			(mode & ~AT91_SMC_DBW) | AT91_SMC_DBW_8);
+	smc.mode = (smc.mode & ~AT91_SMC_DBW) | AT91_SMC_DBW_8;
+	sam9_smc_write_mode(0, info->cs, &smc);
 
 	local_irq_restore(flags);
 	return consumed;
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 5d1d07645132..e8cd652d2017 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -1206,9 +1206,9 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	
  out_unmap_both:
 	pci_set_drvdata(dev, NULL);
-	pci_iounmap(dev, card->config_regs);
- out_unmap_config:
 	pci_iounmap(dev, card->buffers);
+ out_unmap_config:
+	pci_iounmap(dev, card->config_regs);
  out_release_regions:
 	pci_release_regions(dev);
  out:
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index db87e78d7459..4dabf5077c48 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -208,6 +208,25 @@ static ssize_t print_cpus_offline(struct device *dev,
 }
 static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL);
 
+static void cpu_device_release(struct device *dev)
+{
+	/*
+	 * This is an empty function to prevent the driver core from spitting a
+	 * warning at us.  Yes, I know this is directly opposite of what the
+	 * documentation for the driver core and kobjects say, and the author
+	 * of this code has already been publically ridiculed for doing
+	 * something as foolish as this.  However, at this point in time, it is
+	 * the only way to handle the issue of statically allocated cpu
+	 * devices.  The different architectures will have their cpu device
+	 * code reworked to properly handle this in the near future, so this
+	 * function will then be changed to correctly free up the memory held
+	 * by the cpu device.
+	 *
+	 * Never copy this way of doing things, or you too will be made fun of
+	 * on the linux-kerenl list, you have been warned.
+	 */
+}
+
 /*
  * register_cpu - Setup a sysfs device for a CPU.
  * @cpu - cpu->hotpluggable field set to 1 will generate a control file in
@@ -221,8 +240,10 @@ int __cpuinit register_cpu(struct cpu *cpu, int num)
 	int error;
 
 	cpu->node_id = cpu_to_node(num);
+	memset(&cpu->dev, 0x00, sizeof(struct device));
 	cpu->dev.id = num;
 	cpu->dev.bus = &cpu_subsys;
+	cpu->dev.release = cpu_device_release;
 	error = device_register(&cpu->dev);
 	if (!error && cpu->hotpluggable)
 		register_cpu_control(cpu);
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index ed5de58c340f..9e60dbe9fd94 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -572,19 +572,36 @@ static int init_memory_block(struct memory_block **memory,
 }
 
 static int add_memory_section(int nid, struct mem_section *section,
+			struct memory_block **mem_p,
 			unsigned long state, enum mem_add_context context)
 {
-	struct memory_block *mem;
+	struct memory_block *mem = NULL;
+	int scn_nr = __section_nr(section);
 	int ret = 0;
 
 	mutex_lock(&mem_sysfs_mutex);
 
-	mem = find_memory_block(section);
+	if (context == BOOT) {
+		/* same memory block ? */
+		if (mem_p && *mem_p)
+			if (scn_nr >= (*mem_p)->start_section_nr &&
+			    scn_nr <= (*mem_p)->end_section_nr) {
+				mem = *mem_p;
+				kobject_get(&mem->dev.kobj);
+			}
+	} else
+		mem = find_memory_block(section);
+
 	if (mem) {
 		mem->section_count++;
 		kobject_put(&mem->dev.kobj);
-	} else
+	} else {
 		ret = init_memory_block(&mem, section, state);
+		/* store memory_block pointer for next loop */
+		if (!ret && context == BOOT)
+			if (mem_p)
+				*mem_p = mem;
+	}
 
 	if (!ret) {
 		if (context == HOTPLUG &&
@@ -627,7 +644,7 @@ int remove_memory_block(unsigned long node_id, struct mem_section *section,
  */
 int register_new_memory(int nid, struct mem_section *section)
 {
-	return add_memory_section(nid, section, MEM_OFFLINE, HOTPLUG);
+	return add_memory_section(nid, section, NULL, MEM_OFFLINE, HOTPLUG);
 }
 
 int unregister_memory_section(struct mem_section *section)
@@ -647,6 +664,7 @@ int __init memory_dev_init(void)
 	int ret;
 	int err;
 	unsigned long block_sz;
+	struct memory_block *mem = NULL;
 
 	ret = subsys_system_register(&memory_subsys, NULL);
 	if (ret)
@@ -662,7 +680,10 @@ int __init memory_dev_init(void)
 	for (i = 0; i < NR_MEM_SECTIONS; i++) {
 		if (!present_section_nr(i))
 			continue;
-		err = add_memory_section(0, __nr_to_section(i), MEM_ONLINE,
+		/* don't need to reuse memory_block if only one per block */
+		err = add_memory_section(0, __nr_to_section(i),
+				 (sections_per_block == 1) ? NULL : &mem,
+					 MEM_ONLINE,
 					 BOOT);
 		if (!ret)
 			ret = err;
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 44f427a66117..90aa2a11a933 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -456,7 +456,15 @@ static int link_mem_sections(int nid)
 		if (!present_section_nr(section_nr))
 			continue;
 		mem_sect = __nr_to_section(section_nr);
+
+		/* same memblock ? */
+		if (mem_blk)
+			if ((section_nr >= mem_blk->start_section_nr) &&
+			    (section_nr <= mem_blk->end_section_nr))
+				continue;
+
 		mem_blk = find_memory_block_hinted(mem_sect, mem_blk);
+
 		ret = register_mem_sect_under_node(mem_blk, nid);
 		if (!err)
 			err = ret;
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 1ead66186b7c..d1daa5e9fadf 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -53,7 +53,7 @@ static int regcache_hw_init(struct regmap *map)
 	for (count = 0, i = 0; i < map->num_reg_defaults_raw; i++) {
 		val = regcache_get_val(map->reg_defaults_raw,
 				       i, map->cache_word_size);
-		if (!val)
+		if (regmap_volatile(map, i))
 			continue;
 		count++;
 	}
@@ -70,7 +70,7 @@ static int regcache_hw_init(struct regmap *map)
 	for (i = 0, j = 0; i < map->num_reg_defaults_raw; i++) {
 		val = regcache_get_val(map->reg_defaults_raw,
 				       i, map->cache_word_size);
-		if (!val)
+		if (regmap_volatile(map, i))
 			continue;
 		map->reg_defaults[j].reg = i;
 		map->reg_defaults[j].def = val;
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index febbc0a1222a..ec31f7dd5549 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -169,10 +169,8 @@ int bcma_bus_register(struct bcma_bus *bus)
 	err = bcma_sprom_get(bus);
 	if (err == -ENOENT) {
 		pr_err("No SPROM available\n");
-	} else if (err) {
+	} else if (err)
 		pr_err("Failed to get SPROM: %d\n", err);
-		return -ENOENT;
-	}
 
 	/* Register found cores */
 	bcma_register_cores(bus);
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
index cad994857683..3a2f672db9ad 100644
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -399,15 +399,18 @@ int bcma_bus_scan(struct bcma_bus *bus)
 		core->bus = bus;
 
 		err = bcma_get_next_core(bus, &eromptr, NULL, core_num, core);
-		if (err == -ENODEV) {
-			core_num++;
-			continue;
-		} else if (err == -ENXIO)
-			continue;
-		else if (err == -ESPIPE)
-			break;
-		else if (err < 0)
+		if (err < 0) {
+			kfree(core);
+			if (err == -ENODEV) {
+				core_num++;
+				continue;
+			} else if (err == -ENXIO) {
+				continue;
+			} else if (err == -ESPIPE) {
+				break;
+			}
 			return err;
+		}
 
 		core->core_index = core_num++;
 		bus->nr_cores++;
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 510fb10ec45a..744f078f4dd8 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3832,7 +3832,7 @@ static int __floppy_read_block_0(struct block_device *bdev)
 	bio.bi_size = size;
 	bio.bi_bdev = bdev;
 	bio.bi_sector = 0;
-	bio.bi_flags = BIO_QUIET;
+	bio.bi_flags = (1 << BIO_QUIET);
 	init_completion(&complete);
 	bio.bi_private = &complete;
 	bio.bi_end_io = floppy_rb0_complete;
@@ -4368,8 +4368,14 @@ out_unreg_blkdev:
 out_put_disk:
 	while (dr--) {
 		del_timer_sync(&motor_off_timer[dr]);
-		if (disks[dr]->queue)
+		if (disks[dr]->queue) {
 			blk_cleanup_queue(disks[dr]->queue);
+			/*
+			 * put_disk() is not paired with add_disk() and
+			 * will put queue reference one extra time. fix it.
+			 */
+			disks[dr]->queue = NULL;
+		}
 		put_disk(disks[dr]);
 	}
 	return err;
@@ -4579,6 +4585,15 @@ static void __exit floppy_module_exit(void)
 			platform_device_unregister(&floppy_device[drive]);
 		}
 		blk_cleanup_queue(disks[drive]->queue);
+
+		/*
+		 * These disks have not called add_disk().  Don't put down
+		 * queue reference in put_disk().
+		 */
+		if (!(allowed_drive_mask & (1 << drive)) ||
+		    fdc_state[FDC(drive)].version == FDC_NONE)
+			disks[drive]->queue = NULL;
+
 		put_disk(disks[drive]);
 	}
 
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index f00257782fcc..cd504353b278 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -356,14 +356,14 @@ lo_direct_splice_actor(struct pipe_inode_info *pipe, struct splice_desc *sd)
 	return __splice_from_pipe(pipe, sd, lo_splice_actor);
 }
 
-static int
+static ssize_t
 do_lo_receive(struct loop_device *lo,
 	      struct bio_vec *bvec, int bsize, loff_t pos)
 {
 	struct lo_read_data cookie;
 	struct splice_desc sd;
 	struct file *file;
-	long retval;
+	ssize_t retval;
 
 	cookie.lo = lo;
 	cookie.page = bvec->bv_page;
@@ -379,26 +379,28 @@ do_lo_receive(struct loop_device *lo,
 	file = lo->lo_backing_file;
 	retval = splice_direct_to_actor(file, &sd, lo_direct_splice_actor);
 
-	if (retval < 0)
-		return retval;
-	if (retval != bvec->bv_len)
-		return -EIO;
-	return 0;
+	return retval;
 }
 
 static int
 lo_receive(struct loop_device *lo, struct bio *bio, int bsize, loff_t pos)
 {
 	struct bio_vec *bvec;
-	int i, ret = 0;
+	ssize_t s;
+	int i;
 
 	bio_for_each_segment(bvec, bio, i) {
-		ret = do_lo_receive(lo, bvec, bsize, pos);
-		if (ret < 0)
+		s = do_lo_receive(lo, bvec, bsize, pos);
+		if (s < 0)
+			return s;
+
+		if (s != bvec->bv_len) {
+			zero_fill_bio(bio);
 			break;
+		}
 		pos += bvec->bv_len;
 	}
-	return ret;
+	return 0;
 }
 
 static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index b74eab70c3d0..8eb81c96608f 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -2068,8 +2068,6 @@ static int mtip_hw_ioctl(struct driver_data *dd, unsigned int cmd,
  *	     when the read completes.
  * @data     Callback data passed to the callback function
  *	     when the read completes.
- * @barrier  If non-zero, this command must be completed before
- *	     issuing any other commands.
  * @dir      Direction (read or write)
  *
  * return value
@@ -2077,7 +2075,7 @@ static int mtip_hw_ioctl(struct driver_data *dd, unsigned int cmd,
  */
 static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
 			      int nsect, int nents, int tag, void *callback,
-			      void *data, int barrier, int dir)
+			      void *data, int dir)
 {
 	struct host_to_dev_fis	*fis;
 	struct mtip_port *port = dd->port;
@@ -2108,8 +2106,6 @@ static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
 	*((unsigned int *) &fis->lba_low) = (start & 0xFFFFFF);
 	*((unsigned int *) &fis->lba_low_ex) = ((start >> 24) & 0xFFFFFF);
 	fis->device	 = 1 << 6;
-	if (barrier)
-		fis->device |= FUA_BIT;
 	fis->features    = nsect & 0xFF;
 	fis->features_ex = (nsect >> 8) & 0xFF;
 	fis->sect_count  = ((tag << 3) | (tag >> 5));
@@ -3087,7 +3083,6 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
 				tag,
 				bio_endio,
 				bio,
-				bio->bi_rw & REQ_FUA,
 				bio_data_dir(bio));
 	} else
 		bio_io_error(bio);
@@ -3187,6 +3182,10 @@ skip_create_disk:
 	blk_queue_max_segments(dd->queue, MTIP_MAX_SG);
 	blk_queue_physical_block_size(dd->queue, 4096);
 	blk_queue_io_min(dd->queue, 4096);
+	/*
+	 * write back cache is not supported in the device. FUA depends on
+	 * write back cache support, hence setting flush support to zero.
+	 */
 	blk_queue_flush(dd->queue, 0);
 
 	/* Set the capacity of the device in 512 byte sectors. */
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 723d7c4946dc..e0554a8f2233 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -104,9 +104,6 @@
 /* BAR number used to access the HBA registers. */
 #define MTIP_ABAR		5
 
-/* Forced Unit Access Bit */
-#define FUA_BIT			0x80
-
 #ifdef DEBUG
  #define dbg_printk(format, arg...)	\
 	printk(pr_fmt(format), ##arg);
@@ -415,8 +412,6 @@ struct driver_data {
 
 	atomic_t resumeflag; /* Atomic variable to track suspend/resume */
 
-	atomic_t eh_active; /* Flag for error handling tracking */
-
 	struct task_struct *mtip_svc_handler; /* task_struct of svc thd */
 };
 
diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index c1dc4d86c221..1f3c1a7d132a 100644
--- a/drivers/block/nvme.c
+++ b/drivers/block/nvme.c
@@ -41,6 +41,8 @@
 #include <linux/types.h>
 #include <linux/version.h>
 
+#include <asm-generic/io-64-nonatomic-lo-hi.h>
+
 #define NVME_Q_DEPTH 1024
 #define SQ_SIZE(depth)		(depth * sizeof(struct nvme_command))
 #define CQ_SIZE(depth)		(depth * sizeof(struct nvme_completion))
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f00f596c1029..789c9b579aea 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -102,6 +102,7 @@ static struct usb_device_id btusb_table[] = {
 
 	/* Broadcom BCM20702A0 */
 	{ USB_DEVICE(0x0a5c, 0x21e3) },
+	{ USB_DEVICE(0x0a5c, 0x21f3) },
 	{ USB_DEVICE(0x413c, 0x8197) },
 
 	{ }	/* Terminating entry */
@@ -726,9 +727,6 @@ static int btusb_send_frame(struct sk_buff *skb)
 		usb_fill_bulk_urb(urb, data->udev, pipe,
 				skb->data, skb->len, btusb_tx_complete, skb);
 
-		if (skb->priority >= HCI_PRIO_MAX - 1)
-			urb->transfer_flags  = URB_ISO_ASAP;
-
 		hdev->stat.acl_tx++;
 		break;
 
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 55eaf474d32c..d620b4495745 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -286,8 +286,6 @@
 
 /* used to tell the module to turn on full debugging messages */
 static bool debug;
-/* used to keep tray locked at all times */
-static int keeplocked;
 /* default compatibility mode */
 static bool autoclose=1;
 static bool autoeject;
@@ -1204,7 +1202,7 @@ void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode)
 		cdinfo(CD_CLOSE, "Use count for \"/dev/%s\" now zero\n", cdi->name);
 		cdrom_dvd_rw_close_write(cdi);
 
-		if ((cdo->capability & CDC_LOCK) && !keeplocked) {
+		if ((cdo->capability & CDC_LOCK) && !cdi->keeplocked) {
 			cdinfo(CD_CLOSE, "Unlocking door!\n");
 			cdo->lock_door(cdi, 0);
 		}
@@ -1371,7 +1369,7 @@ static int cdrom_select_disc(struct cdrom_device_info *cdi, int slot)
 	curslot = info->hdr.curslot;
 	kfree(info);
 
-	if (cdi->use_count > 1 || keeplocked) {
+	if (cdi->use_count > 1 || cdi->keeplocked) {
 		if (slot == CDSL_CURRENT) {
 	    		return curslot;
 		} else {
@@ -2119,11 +2117,6 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf,
 	if (!nr)
 		return -ENOMEM;
 
-	if (!access_ok(VERIFY_WRITE, ubuf, nframes * CD_FRAMESIZE_RAW)) {
-		ret = -EFAULT;
-		goto out;
-	}
-
 	cgc.data_direction = CGC_DATA_READ;
 	while (nframes > 0) {
 		if (nr > nframes)
@@ -2132,7 +2125,7 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf,
 		ret = cdrom_read_block(cdi, &cgc, lba, nr, 1, CD_FRAMESIZE_RAW);
 		if (ret)
 			break;
-		if (__copy_to_user(ubuf, cgc.buffer, CD_FRAMESIZE_RAW * nr)) {
+		if (copy_to_user(ubuf, cgc.buffer, CD_FRAMESIZE_RAW * nr)) {
 			ret = -EFAULT;
 			break;
 		}
@@ -2140,7 +2133,6 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf,
 		nframes -= nr;
 		lba += nr;
 	}
-out:
 	kfree(cgc.buffer);
 	return ret;
 }
@@ -2295,7 +2287,7 @@ static int cdrom_ioctl_eject(struct cdrom_device_info *cdi)
 
 	if (!CDROM_CAN(CDC_OPEN_TRAY))
 		return -ENOSYS;
-	if (cdi->use_count != 1 || keeplocked)
+	if (cdi->use_count != 1 || cdi->keeplocked)
 		return -EBUSY;
 	if (CDROM_CAN(CDC_LOCK)) {
 		int ret = cdi->ops->lock_door(cdi, 0);
@@ -2322,7 +2314,7 @@ static int cdrom_ioctl_eject_sw(struct cdrom_device_info *cdi,
 
 	if (!CDROM_CAN(CDC_OPEN_TRAY))
 		return -ENOSYS;
-	if (keeplocked)
+	if (cdi->keeplocked)
 		return -EBUSY;
 
 	cdi->options &= ~(CDO_AUTO_CLOSE | CDO_AUTO_EJECT);
@@ -2453,7 +2445,7 @@ static int cdrom_ioctl_lock_door(struct cdrom_device_info *cdi,
 	if (!CDROM_CAN(CDC_LOCK))
 		return -EDRIVE_CANT_DO_THIS;
 
-	keeplocked = arg ? 1 : 0;
+	cdi->keeplocked = arg ? 1 : 0;
 
 	/*
 	 * Don't unlock the door on multiple opens by default, but allow
diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig
index 7dbc4a83c45c..78a666d1e5f5 100644
--- a/drivers/cpuidle/Kconfig
+++ b/drivers/cpuidle/Kconfig
@@ -1,7 +1,7 @@
 
 config CPU_IDLE
 	bool "CPU idle PM support"
-	default ACPI
+	default y if ACPI || PPC_PSERIES
 	help
 	  CPU idle is a generic framework for supporting software-controlled
 	  idle processor power management.  It includes modular cross-platform
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 597235a2f8f9..0d40cf66b3cc 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -714,6 +714,7 @@ static int mv_hash_final(struct ahash_request *req)
 {
 	struct mv_req_hash_ctx *ctx = ahash_request_ctx(req);
 
+	ahash_request_set_crypt(req, NULL, req->result, 0);
 	mv_update_hash_req_ctx(ctx, 1, 0);
 	return mv_handle_req(&req->base);
 }
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 97f87b29b9f3..f4aed5fc2cb6 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1343,7 +1343,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
 
 		tasklet_init(&atchan->tasklet, atc_tasklet,
 				(unsigned long)atchan);
-		atc_enable_irq(atchan);
+		atc_enable_chan_irq(atdma, i);
 	}
 
 	/* set base routines */
@@ -1410,7 +1410,7 @@ static int __exit at_dma_remove(struct platform_device *pdev)
 		struct at_dma_chan	*atchan = to_at_dma_chan(chan);
 
 		/* Disable interrupts */
-		atc_disable_irq(atchan);
+		atc_disable_chan_irq(atdma, chan->chan_id);
 		tasklet_disable(&atchan->tasklet);
 
 		tasklet_kill(&atchan->tasklet);
diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h
index dcaedfc181cf..a8d3277d60b5 100644
--- a/drivers/dma/at_hdmac_regs.h
+++ b/drivers/dma/at_hdmac_regs.h
@@ -327,28 +327,27 @@ static void atc_dump_lli(struct at_dma_chan *atchan, struct at_lli *lli)
 }
 
 
-static void atc_setup_irq(struct at_dma_chan *atchan, int on)
+static void atc_setup_irq(struct at_dma *atdma, int chan_id, int on)
 {
-	struct at_dma	*atdma = to_at_dma(atchan->chan_common.device);
-	u32		ebci;
+	u32 ebci;
 
 	/* enable interrupts on buffer transfer completion & error */
-	ebci =    AT_DMA_BTC(atchan->chan_common.chan_id)
-		| AT_DMA_ERR(atchan->chan_common.chan_id);
+	ebci =    AT_DMA_BTC(chan_id)
+		| AT_DMA_ERR(chan_id);
 	if (on)
 		dma_writel(atdma, EBCIER, ebci);
 	else
 		dma_writel(atdma, EBCIDR, ebci);
 }
 
-static inline void atc_enable_irq(struct at_dma_chan *atchan)
+static void atc_enable_chan_irq(struct at_dma *atdma, int chan_id)
 {
-	atc_setup_irq(atchan, 1);
+	atc_setup_irq(atdma, chan_id, 1);
 }
 
-static inline void atc_disable_irq(struct at_dma_chan *atchan)
+static void atc_disable_chan_irq(struct at_dma *atdma, int chan_id)
 {
-	atc_setup_irq(atchan, 0);
+	atc_setup_irq(atdma, chan_id, 0);
 }
 
 
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 2b8661b54eaf..24225f0fdcd8 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -599,7 +599,7 @@ static int dmatest_add_channel(struct dma_chan *chan)
 	}
 	if (dma_has_cap(DMA_PQ, dma_dev->cap_mask)) {
 		cnt = dmatest_add_threads(dtc, DMA_PQ);
-		thread_count += cnt > 0 ?: 0;
+		thread_count += cnt > 0 ? cnt : 0;
 	}
 
 	pr_info("dmatest: Started %u threads using %s\n",
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index a8af379680c1..8bc5acf36ee5 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1102,11 +1102,13 @@ static int sdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
 	case DMA_SLAVE_CONFIG:
 		if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) {
 			sdmac->per_address = dmaengine_cfg->src_addr;
-			sdmac->watermark_level = dmaengine_cfg->src_maxburst;
+			sdmac->watermark_level = dmaengine_cfg->src_maxburst *
+						dmaengine_cfg->src_addr_width;
 			sdmac->word_size = dmaengine_cfg->src_addr_width;
 		} else {
 			sdmac->per_address = dmaengine_cfg->dst_addr;
-			sdmac->watermark_level = dmaengine_cfg->dst_maxburst;
+			sdmac->watermark_level = dmaengine_cfg->dst_maxburst *
+						dmaengine_cfg->dst_addr_width;
 			sdmac->word_size = dmaengine_cfg->dst_addr_width;
 		}
 		sdmac->direction = dmaengine_cfg->direction;
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 54043cd831c8..812fd76e9c18 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -1262,7 +1262,8 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
 
 	INIT_LIST_HEAD(&shdev->common.channels);
 
-	dma_cap_set(DMA_MEMCPY, shdev->common.cap_mask);
+	if (!pdata->slave_only)
+		dma_cap_set(DMA_MEMCPY, shdev->common.cap_mask);
 	if (pdata->slave && pdata->slave_num)
 		dma_cap_set(DMA_SLAVE, shdev->common.cap_mask);
 
diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c
index aa08497a075a..73f55e2008c2 100644
--- a/drivers/edac/i3200_edac.c
+++ b/drivers/edac/i3200_edac.c
@@ -15,6 +15,8 @@
 #include <linux/io.h>
 #include "edac_core.h"
 
+#include <asm-generic/io-64-nonatomic-lo-hi.h>
+
 #define I3200_REVISION        "1.1"
 
 #define EDAC_MOD_STR        "i3200_edac"
@@ -101,19 +103,6 @@ struct i3200_priv {
 
 static int nr_channels;
 
-#ifndef readq
-static inline __u64 readq(const volatile void __iomem *addr)
-{
-	const volatile u32 __iomem *p = addr;
-	u32 low, high;
-
-	low = readl(p);
-	high = readl(p + 1);
-
-	return low + ((u64)high << 32);
-}
-#endif
-
 static int how_many_channels(struct pci_dev *pdev)
 {
 	unsigned char capid0_8b; /* 8th byte of CAPID0 */
diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index 5b6948081f8f..ddfacc5ce56d 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -96,7 +96,7 @@ static const char *gpio_p2_names[LPC32XX_GPIO_P2_MAX] = {
 };
 
 static const char *gpio_p3_names[LPC32XX_GPIO_P3_MAX] = {
-	"gpi000", "gpio01", "gpio02", "gpio03",
+	"gpio00", "gpio01", "gpio02", "gpio03",
 	"gpio04", "gpio05"
 };
 
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index 03d6dd5dcb77..f0febe5b8221 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -448,6 +448,7 @@ static int __devinit ioh_gpio_probe(struct pci_dev *pdev,
 		chip->reg = chip->base;
 		chip->ch = i;
 		mutex_init(&chip->lock);
+		spin_lock_init(&chip->spinlock);
 		ioh_gpio_setup(chip, num_ports[i]);
 		ret = gpiochip_add(&chip->gpio);
 		if (ret) {
diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index 68fa55e86eb1..e8729cc2ba2b 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -392,6 +392,7 @@ static int __devinit pch_gpio_probe(struct pci_dev *pdev,
 	chip->reg = chip->base;
 	pci_set_drvdata(pdev, chip);
 	mutex_init(&chip->lock);
+	spin_lock_init(&chip->spinlock);
 	pch_gpio_setup(chip);
 	ret = gpiochip_add(&chip->gpio);
 	if (ret) {
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index a7661773c052..0a79a1167a25 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -2387,27 +2387,30 @@ static struct samsung_gpio_chip exynos4_gpios_3[] = {
 };
 
 #if defined(CONFIG_ARCH_EXYNOS4) && defined(CONFIG_OF)
-static int exynos4_gpio_xlate(struct gpio_chip *gc, struct device_node *np,
-			      const void *gpio_spec, u32 *flags)
+static int exynos4_gpio_xlate(struct gpio_chip *gc,
+			const struct of_phandle_args *gpiospec, u32 *flags)
 {
-	const __be32 *gpio = gpio_spec;
-	const u32 n = be32_to_cpup(gpio);
-	unsigned int pin = gc->base + be32_to_cpu(gpio[0]);
+	unsigned int pin;
 
 	if (WARN_ON(gc->of_gpio_n_cells < 4))
 		return -EINVAL;
 
-	if (n > gc->ngpio)
+	if (WARN_ON(gpiospec->args_count < gc->of_gpio_n_cells))
 		return -EINVAL;
 
-	if (s3c_gpio_cfgpin(pin, S3C_GPIO_SFN(be32_to_cpu(gpio[1]))))
+	if (gpiospec->args[0] > gc->ngpio)
+		return -EINVAL;
+
+	pin = gc->base + gpiospec->args[0];
+
+	if (s3c_gpio_cfgpin(pin, S3C_GPIO_SFN(gpiospec->args[1])))
 		pr_warn("gpio_xlate: failed to set pin function\n");
-	if (s3c_gpio_setpull(pin, be32_to_cpu(gpio[2])))
+	if (s3c_gpio_setpull(pin, gpiospec->args[2]))
 		pr_warn("gpio_xlate: failed to set pin pull up/down\n");
-	if (s5p_gpio_set_drvstr(pin, be32_to_cpu(gpio[3])))
+	if (s5p_gpio_set_drvstr(pin, gpiospec->args[3]))
 		pr_warn("gpio_xlate: failed to set pin drive strength\n");
 
-	return n;
+	return gpiospec->args[0];
 }
 
 static const struct of_device_id exynos4_gpio_dt_match[] __initdata = {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index d620b0784257..618bd4d87d28 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -28,6 +28,7 @@
 #include "drmP.h"
 #include "drm_crtc_helper.h"
 
+#include <drm/exynos_drm.h>
 #include "exynos_drm_drv.h"
 #include "exynos_drm_encoder.h"
 
@@ -44,8 +45,9 @@ struct exynos_drm_connector {
 /* convert exynos_video_timings to drm_display_mode */
 static inline void
 convert_to_display_mode(struct drm_display_mode *mode,
-			struct fb_videomode *timing)
+			struct exynos_drm_panel_info *panel)
 {
+	struct fb_videomode *timing = &panel->timing;
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
 	mode->clock = timing->pixclock / 1000;
@@ -60,6 +62,8 @@ convert_to_display_mode(struct drm_display_mode *mode,
 	mode->vsync_start = mode->vdisplay + timing->upper_margin;
 	mode->vsync_end = mode->vsync_start + timing->vsync_len;
 	mode->vtotal = mode->vsync_end + timing->lower_margin;
+	mode->width_mm = panel->width_mm;
+	mode->height_mm = panel->height_mm;
 
 	if (timing->vmode & FB_VMODE_INTERLACED)
 		mode->flags |= DRM_MODE_FLAG_INTERLACE;
@@ -148,16 +152,18 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 		connector->display_info.raw_edid = edid;
 	} else {
 		struct drm_display_mode *mode = drm_mode_create(connector->dev);
-		struct fb_videomode *timing;
+		struct exynos_drm_panel_info *panel;
 
-		if (display_ops->get_timing)
-			timing = display_ops->get_timing(manager->dev);
+		if (display_ops->get_panel)
+			panel = display_ops->get_panel(manager->dev);
 		else {
 			drm_mode_destroy(connector->dev, mode);
 			return 0;
 		}
 
-		convert_to_display_mode(mode, timing);
+		convert_to_display_mode(mode, panel);
+		connector->display_info.width_mm = mode->width_mm;
+		connector->display_info.height_mm = mode->height_mm;
 
 		mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 		drm_mode_set_name(mode);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index 661a03571d0c..d08a55896d50 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -193,6 +193,9 @@ int exynos_drm_subdrv_register(struct exynos_drm_subdrv *subdrv)
 			return err;
 		}
 
+		/* setup possible_clones. */
+		exynos_drm_encoder_setup(drm_dev);
+
 		/*
 		 * if any specific driver such as fimd or hdmi driver called
 		 * exynos_drm_subdrv_register() later than drm_load(),
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index e3861ac49295..de818831a511 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -307,9 +307,6 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
 		 */
 		event->pipe = exynos_crtc->pipe;
 
-		list_add_tail(&event->base.link,
-				&dev_priv->pageflip_event_list);
-
 		ret = drm_vblank_get(dev, exynos_crtc->pipe);
 		if (ret) {
 			DRM_DEBUG("failed to acquire vblank counter\n");
@@ -318,6 +315,9 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
 			goto out;
 		}
 
+		list_add_tail(&event->base.link,
+				&dev_priv->pageflip_event_list);
+
 		crtc->fb = fb;
 		ret = exynos_drm_crtc_update(crtc);
 		if (ret) {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 35889ca255e9..58820ebd3558 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -33,6 +33,7 @@
 
 #include "exynos_drm_drv.h"
 #include "exynos_drm_crtc.h"
+#include "exynos_drm_encoder.h"
 #include "exynos_drm_fbdev.h"
 #include "exynos_drm_fb.h"
 #include "exynos_drm_gem.h"
@@ -99,6 +100,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
 	if (ret)
 		goto err_vblank;
 
+	/* setup possible_clones. */
+	exynos_drm_encoder_setup(dev);
+
 	/*
 	 * create and configure fb helper and also exynos specific
 	 * fbdev object.
@@ -141,16 +145,21 @@ static int exynos_drm_unload(struct drm_device *dev)
 }
 
 static void exynos_drm_preclose(struct drm_device *dev,
-					struct drm_file *file_priv)
+					struct drm_file *file)
 {
-	struct exynos_drm_private *dev_priv = dev->dev_private;
+	DRM_DEBUG_DRIVER("%s\n", __FILE__);
 
-	/*
-	 * drm framework frees all events at release time,
-	 * so private event list should be cleared.
-	 */
-	if (!list_empty(&dev_priv->pageflip_event_list))
-		INIT_LIST_HEAD(&dev_priv->pageflip_event_list);
+}
+
+static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file)
+{
+	DRM_DEBUG_DRIVER("%s\n", __FILE__);
+
+	if (!file->driver_priv)
+		return;
+
+	kfree(file->driver_priv);
+	file->driver_priv = NULL;
 }
 
 static void exynos_drm_lastclose(struct drm_device *dev)
@@ -195,6 +204,7 @@ static struct drm_driver exynos_drm_driver = {
 	.unload			= exynos_drm_unload,
 	.preclose		= exynos_drm_preclose,
 	.lastclose		= exynos_drm_lastclose,
+	.postclose		= exynos_drm_postclose,
 	.get_vblank_counter	= drm_vblank_count,
 	.enable_vblank		= exynos_drm_crtc_enable_vblank,
 	.disable_vblank		= exynos_drm_crtc_disable_vblank,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index e685e1e33055..13540de90bfc 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -136,7 +136,7 @@ struct exynos_drm_overlay {
  * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
  * @is_connected: check for that display is connected or not.
  * @get_edid: get edid modes from display driver.
- * @get_timing: get timing object from display driver.
+ * @get_panel: get panel object from display driver.
  * @check_timing: check if timing is valid or not.
  * @power_on: display device on or off.
  */
@@ -145,7 +145,7 @@ struct exynos_drm_display_ops {
 	bool (*is_connected)(struct device *dev);
 	int (*get_edid)(struct device *dev, struct drm_connector *connector,
 				u8 *edid, int len);
-	void *(*get_timing)(struct device *dev);
+	void *(*get_panel)(struct device *dev);
 	int (*check_timing)(struct device *dev, void *timing);
 	int (*power_on)(struct device *dev, int mode);
 };
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 86b93dde219a..ef4754f1519b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -195,6 +195,40 @@ static struct drm_encoder_funcs exynos_encoder_funcs = {
 	.destroy = exynos_drm_encoder_destroy,
 };
 
+static unsigned int exynos_drm_encoder_clones(struct drm_encoder *encoder)
+{
+	struct drm_encoder *clone;
+	struct drm_device *dev = encoder->dev;
+	struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+	struct exynos_drm_display_ops *display_ops =
+				exynos_encoder->manager->display_ops;
+	unsigned int clone_mask = 0;
+	int cnt = 0;
+
+	list_for_each_entry(clone, &dev->mode_config.encoder_list, head) {
+		switch (display_ops->type) {
+		case EXYNOS_DISPLAY_TYPE_LCD:
+		case EXYNOS_DISPLAY_TYPE_HDMI:
+			clone_mask |= (1 << (cnt++));
+			break;
+		default:
+			continue;
+		}
+	}
+
+	return clone_mask;
+}
+
+void exynos_drm_encoder_setup(struct drm_device *dev)
+{
+	struct drm_encoder *encoder;
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
+		encoder->possible_clones = exynos_drm_encoder_clones(encoder);
+}
+
 struct drm_encoder *
 exynos_drm_encoder_create(struct drm_device *dev,
 			   struct exynos_drm_manager *manager,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
index 97b087a51cb6..eb7d2316847e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
@@ -30,6 +30,7 @@
 
 struct exynos_drm_manager;
 
+void exynos_drm_encoder_setup(struct drm_device *dev);
 struct drm_encoder *exynos_drm_encoder_create(struct drm_device *dev,
 					       struct exynos_drm_manager *mgr,
 					       unsigned int possible_crtcs);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 5737bc5e6ed2..54f8f074822f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -169,66 +169,6 @@ out:
 	return ret;
 }
 
-static bool
-exynos_drm_fbdev_is_samefb(struct drm_framebuffer *fb,
-			    struct drm_fb_helper_surface_size *sizes)
-{
-	if (fb->width != sizes->surface_width)
-		return false;
-	if (fb->height != sizes->surface_height)
-		return false;
-	if (fb->bits_per_pixel != sizes->surface_bpp)
-		return false;
-	if (fb->depth != sizes->surface_depth)
-		return false;
-
-	return true;
-}
-
-static int exynos_drm_fbdev_recreate(struct drm_fb_helper *helper,
-				      struct drm_fb_helper_surface_size *sizes)
-{
-	struct drm_device *dev = helper->dev;
-	struct exynos_drm_fbdev *exynos_fbdev = to_exynos_fbdev(helper);
-	struct exynos_drm_gem_obj *exynos_gem_obj;
-	struct drm_framebuffer *fb = helper->fb;
-	struct drm_mode_fb_cmd2 mode_cmd = { 0 };
-	unsigned long size;
-
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	if (exynos_drm_fbdev_is_samefb(fb, sizes))
-		return 0;
-
-	mode_cmd.width = sizes->surface_width;
-	mode_cmd.height = sizes->surface_height;
-	mode_cmd.pitches[0] = sizes->surface_width * (sizes->surface_bpp >> 3);
-	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
-							  sizes->surface_depth);
-
-	if (exynos_fbdev->exynos_gem_obj)
-		exynos_drm_gem_destroy(exynos_fbdev->exynos_gem_obj);
-
-	if (fb->funcs->destroy)
-		fb->funcs->destroy(fb);
-
-	size = mode_cmd.pitches[0] * mode_cmd.height;
-	exynos_gem_obj = exynos_drm_gem_create(dev, size);
-	if (IS_ERR(exynos_gem_obj))
-		return PTR_ERR(exynos_gem_obj);
-
-	exynos_fbdev->exynos_gem_obj = exynos_gem_obj;
-
-	helper->fb = exynos_drm_framebuffer_init(dev, &mode_cmd,
-			&exynos_gem_obj->base);
-	if (IS_ERR_OR_NULL(helper->fb)) {
-		DRM_ERROR("failed to create drm framebuffer.\n");
-		return PTR_ERR(helper->fb);
-	}
-
-	return exynos_drm_fbdev_update(helper, helper->fb);
-}
-
 static int exynos_drm_fbdev_probe(struct drm_fb_helper *helper,
 				   struct drm_fb_helper_surface_size *sizes)
 {
@@ -236,6 +176,10 @@ static int exynos_drm_fbdev_probe(struct drm_fb_helper *helper,
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
+	/*
+	 * with !helper->fb, it means that this funcion is called first time
+	 * and after that, the helper->fb would be used as clone mode.
+	 */
 	if (!helper->fb) {
 		ret = exynos_drm_fbdev_create(helper, sizes);
 		if (ret < 0) {
@@ -248,12 +192,6 @@ static int exynos_drm_fbdev_probe(struct drm_fb_helper *helper,
 		 * because register_framebuffer() should be called.
 		 */
 		ret = 1;
-	} else {
-		ret = exynos_drm_fbdev_recreate(helper, sizes);
-		if (ret < 0) {
-			DRM_ERROR("failed to reconfigure fbdev\n");
-			return ret;
-		}
 	}
 
 	return ret;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index b6a737d196ae..360adf2bba04 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -89,7 +89,7 @@ struct fimd_context {
 	bool				suspended;
 	struct mutex			lock;
 
-	struct fb_videomode		*timing;
+	struct exynos_drm_panel_info *panel;
 };
 
 static bool fimd_display_is_connected(struct device *dev)
@@ -101,13 +101,13 @@ static bool fimd_display_is_connected(struct device *dev)
 	return true;
 }
 
-static void *fimd_get_timing(struct device *dev)
+static void *fimd_get_panel(struct device *dev)
 {
 	struct fimd_context *ctx = get_fimd_context(dev);
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	return ctx->timing;
+	return ctx->panel;
 }
 
 static int fimd_check_timing(struct device *dev, void *timing)
@@ -131,7 +131,7 @@ static int fimd_display_power_on(struct device *dev, int mode)
 static struct exynos_drm_display_ops fimd_display_ops = {
 	.type = EXYNOS_DISPLAY_TYPE_LCD,
 	.is_connected = fimd_display_is_connected,
-	.get_timing = fimd_get_timing,
+	.get_panel = fimd_get_panel,
 	.check_timing = fimd_check_timing,
 	.power_on = fimd_display_power_on,
 };
@@ -193,7 +193,8 @@ static void fimd_apply(struct device *subdrv_dev)
 static void fimd_commit(struct device *dev)
 {
 	struct fimd_context *ctx = get_fimd_context(dev);
-	struct fb_videomode *timing = ctx->timing;
+	struct exynos_drm_panel_info *panel = ctx->panel;
+	struct fb_videomode *timing = &panel->timing;
 	u32 val;
 
 	if (ctx->suspended)
@@ -604,7 +605,12 @@ static void fimd_finish_pageflip(struct drm_device *drm_dev, int crtc)
 	}
 
 	if (is_checked) {
-		drm_vblank_put(drm_dev, crtc);
+		/*
+		 * call drm_vblank_put only in case that drm_vblank_get was
+		 * called.
+		 */
+		if (atomic_read(&drm_dev->vblank_refcount[crtc]) > 0)
+			drm_vblank_put(drm_dev, crtc);
 
 		/*
 		 * don't off vblank if vblank_disable_allowed is 1,
@@ -781,7 +787,7 @@ static int __devinit fimd_probe(struct platform_device *pdev)
 	struct fimd_context *ctx;
 	struct exynos_drm_subdrv *subdrv;
 	struct exynos_drm_fimd_pdata *pdata;
-	struct fb_videomode *timing;
+	struct exynos_drm_panel_info *panel;
 	struct resource *res;
 	int win;
 	int ret = -EINVAL;
@@ -794,9 +800,9 @@ static int __devinit fimd_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	timing = &pdata->timing;
-	if (!timing) {
-		dev_err(dev, "timing is null.\n");
+	panel = &pdata->panel;
+	if (!panel) {
+		dev_err(dev, "panel is null.\n");
 		return -EINVAL;
 	}
 
@@ -858,16 +864,16 @@ static int __devinit fimd_probe(struct platform_device *pdev)
 		goto err_req_irq;
 	}
 
-	ctx->clkdiv = fimd_calc_clkdiv(ctx, timing);
+	ctx->clkdiv = fimd_calc_clkdiv(ctx, &panel->timing);
 	ctx->vidcon0 = pdata->vidcon0;
 	ctx->vidcon1 = pdata->vidcon1;
 	ctx->default_win = pdata->default_win;
-	ctx->timing = timing;
+	ctx->panel = panel;
 
-	timing->pixclock = clk_get_rate(ctx->lcd_clk) / ctx->clkdiv;
+	panel->timing.pixclock = clk_get_rate(ctx->lcd_clk) / ctx->clkdiv;
 
 	DRM_DEBUG_KMS("pixel clock = %d, clkdiv = %d\n",
-			timing->pixclock, ctx->clkdiv);
+			panel->timing.pixclock, ctx->clkdiv);
 
 	subdrv = &ctx->subdrv;
 
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index ac24cff39775..93846e810e38 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -712,7 +712,12 @@ static void mixer_finish_pageflip(struct drm_device *drm_dev, int crtc)
 	}
 
 	if (is_checked)
-		drm_vblank_put(drm_dev, crtc);
+		/*
+		 * call drm_vblank_put only in case that drm_vblank_get was
+		 * called.
+		 */
+		if (atomic_read(&drm_dev->vblank_refcount[crtc]) > 0)
+			drm_vblank_put(drm_dev, crtc);
 
 	spin_unlock_irqrestore(&drm_dev->event_lock, flags);
 }
@@ -779,15 +784,15 @@ static void mixer_win_reset(struct mixer_context *ctx)
 	mixer_reg_writemask(res, MXR_STATUS, MXR_STATUS_16_BURST,
 		MXR_STATUS_BURST_MASK);
 
-	/* setting default layer priority: layer1 > video > layer0
+	/* setting default layer priority: layer1 > layer0 > video
 	 * because typical usage scenario would be
+	 * layer1 - OSD
 	 * layer0 - framebuffer
 	 * video - video overlay
-	 * layer1 - OSD
 	 */
-	val  = MXR_LAYER_CFG_GRP0_VAL(1);
-	val |= MXR_LAYER_CFG_VP_VAL(2);
-	val |= MXR_LAYER_CFG_GRP1_VAL(3);
+	val = MXR_LAYER_CFG_GRP1_VAL(3);
+	val |= MXR_LAYER_CFG_GRP0_VAL(2);
+	val |= MXR_LAYER_CFG_VP_VAL(1);
 	mixer_reg_write(res, MXR_LAYER_CFG, val);
 
 	/* setting background color */
@@ -1044,7 +1049,7 @@ static int mixer_remove(struct platform_device *pdev)
 					platform_get_drvdata(pdev);
 	struct mixer_context *ctx = (struct mixer_context *)drm_hdmi_ctx->ctx;
 
-	dev_info(dev, "remove sucessful\n");
+	dev_info(dev, "remove successful\n");
 
 	mixer_resource_poweroff(ctx);
 	mixer_resources_cleanup(ctx);
diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c
index eefcef6fa32f..a54cc738926a 100644
--- a/drivers/gpu/drm/gma500/cdv_device.c
+++ b/drivers/gpu/drm/gma500/cdv_device.c
@@ -452,6 +452,8 @@ static int cdv_chip_setup(struct drm_device *dev)
 	cdv_get_core_freq(dev);
 	gma_intel_opregion_init(dev);
 	psb_intel_init_bios(dev);
+	REG_WRITE(PORT_HOTPLUG_EN, 0);
+	REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 98006308bab2..153f9cf2446d 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -214,7 +214,6 @@ static struct fb_ops psbfb_roll_ops = {
 	.fb_imageblit = cfb_imageblit,
 	.fb_pan_display = psbfb_pan,
 	.fb_mmap = psbfb_mmap,
-	.fb_sync = psbfb_sync,
 	.fb_ioctl = psbfb_ioctl,
 };
 
diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c
index 574bc9794a0e..c6465b40090f 100644
--- a/drivers/gpu/drm/gma500/gtt.c
+++ b/drivers/gpu/drm/gma500/gtt.c
@@ -446,10 +446,9 @@ int psb_gtt_init(struct drm_device *dev, int resume)
 	pg->gtt_start = pci_resource_start(dev->pdev, PSB_GTT_RESOURCE);
 	gtt_pages = pci_resource_len(dev->pdev, PSB_GTT_RESOURCE)
 								>> PAGE_SHIFT;
-	/* Some CDV firmware doesn't report this currently. In which case the
-	   system has 64 gtt pages */
+	/* CDV doesn't report this. In which case the system has 64 gtt pages */
 	if (pg->gtt_start == 0 || gtt_pages == 0) {
-		dev_err(dev->dev, "GTT PCI BAR not initialized.\n");
+		dev_dbg(dev->dev, "GTT PCI BAR not initialized.\n");
 		gtt_pages = 64;
 		pg->gtt_start = dev_priv->pge_ctl;
 	}
@@ -461,10 +460,10 @@ int psb_gtt_init(struct drm_device *dev, int resume)
 
 	if (pg->gatt_pages == 0 || pg->gatt_start == 0) {
 		static struct resource fudge;	/* Preferably peppermint */
-		/* This can occur on CDV SDV systems. Fudge it in this case.
+		/* This can occur on CDV systems. Fudge it in this case.
 		   We really don't care what imaginary space is being allocated
 		   at this point */
-		dev_err(dev->dev, "GATT PCI BAR not initialized.\n");
+		dev_dbg(dev->dev, "GATT PCI BAR not initialized.\n");
 		pg->gatt_start = 0x40000000;
 		pg->gatt_pages = (128 * 1024 * 1024) >> PAGE_SHIFT;
 		/* This is a little confusing but in fact the GTT is providing
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 52a06be1d98d..f59cd3a1f4c6 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3111,6 +3111,20 @@
 #define  DISP_TILE_SURFACE_SWIZZLING	(1<<13)
 #define  DISP_FBC_WM_DIS		(1<<15)
 
+/* GEN7 chicken */
+#define GEN7_COMMON_SLICE_CHICKEN1		0x7010
+# define GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC	((1<<10) | (1<<26))
+
+#define GEN7_L3CNTLREG1				0xB01C
+#define  GEN7_WA_FOR_GEN7_L3_CONTROL			0x3C4FFF8C
+
+#define GEN7_L3_CHICKEN_MODE_REGISTER		0xB030
+#define  GEN7_WA_L3_CHICKEN_MODE				0x20000000
+
+/* WaCatErrorRejectionIssue */
+#define GEN7_SQ_CHICKEN_MBCUNIT_CONFIG		0x9030
+#define  GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB	(1<<11)
+
 /* PCH */
 
 /* south display engine interrupt */
@@ -3714,6 +3728,7 @@
 #define    GT_FIFO_NUM_RESERVED_ENTRIES		20
 
 #define GEN6_UCGCTL2				0x9404
+# define GEN6_RCZUNIT_CLOCK_GATE_DISABLE		(1 << 13)
 # define GEN6_RCPBUNIT_CLOCK_GATE_DISABLE		(1 << 12)
 # define GEN6_RCCUNIT_CLOCK_GATE_DISABLE		(1 << 11)
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b65dc04f1289..0da4753e9a2d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4737,8 +4737,17 @@ sandybridge_compute_sprite_srwm(struct drm_device *dev, int plane,
 
 	crtc = intel_get_crtc_for_plane(dev, plane);
 	clock = crtc->mode.clock;
+	if (!clock) {
+		*sprite_wm = 0;
+		return false;
+	}
 
 	line_time_us = (sprite_width * 1000) / clock;
+	if (!line_time_us) {
+		*sprite_wm = 0;
+		return false;
+	}
+
 	line_count = (latency_ns / line_time_us + 1000) / 1000;
 	line_size = sprite_width * pixel_size;
 
@@ -6268,7 +6277,7 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
 	int i;
 
 	/* The clocks have to be on to load the palette. */
-	if (!crtc->enabled)
+	if (!crtc->enabled || !intel_crtc->active)
 		return;
 
 	/* use legacy palette for Ironlake */
@@ -6654,7 +6663,7 @@ intel_framebuffer_create_for_mode(struct drm_device *dev,
 	mode_cmd.height = mode->vdisplay;
 	mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width,
 								bpp);
-	mode_cmd.pixel_format = 0;
+	mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
 
 	return intel_framebuffer_create(dev, &mode_cmd, obj);
 }
@@ -8275,8 +8284,8 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
 	I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
 
 	if (intel_enable_rc6(dev_priv->dev))
-		rc6_mask = GEN6_RC_CTL_RC6p_ENABLE |
-			GEN6_RC_CTL_RC6_ENABLE;
+		rc6_mask = GEN6_RC_CTL_RC6_ENABLE |
+			((IS_GEN7(dev_priv->dev)) ? GEN6_RC_CTL_RC6p_ENABLE : 0);
 
 	I915_WRITE(GEN6_RC_CONTROL,
 		   rc6_mask |
@@ -8554,12 +8563,32 @@ static void ivybridge_init_clock_gating(struct drm_device *dev)
 	I915_WRITE(WM2_LP_ILK, 0);
 	I915_WRITE(WM1_LP_ILK, 0);
 
+	/* According to the spec, bit 13 (RCZUNIT) must be set on IVB.
+	 * This implements the WaDisableRCZUnitClockGating workaround.
+	 */
+	I915_WRITE(GEN6_UCGCTL2, GEN6_RCZUNIT_CLOCK_GATE_DISABLE);
+
 	I915_WRITE(ILK_DSPCLK_GATE, IVB_VRHUNIT_CLK_GATE);
 
 	I915_WRITE(IVB_CHICKEN3,
 		   CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE |
 		   CHICKEN3_DGMG_DONE_FIX_DISABLE);
 
+	/* Apply the WaDisableRHWOOptimizationForRenderHang workaround. */
+	I915_WRITE(GEN7_COMMON_SLICE_CHICKEN1,
+		   GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC);
+
+	/* WaApplyL3ControlAndL3ChickenMode requires those two on Ivy Bridge */
+	I915_WRITE(GEN7_L3CNTLREG1,
+			GEN7_WA_FOR_GEN7_L3_CONTROL);
+	I915_WRITE(GEN7_L3_CHICKEN_MODE_REGISTER,
+			GEN7_WA_L3_CHICKEN_MODE);
+
+	/* This is required by WaCatErrorRejectionIssue */
+	I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG,
+			I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) |
+			GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB);
+
 	for_each_pipe(pipe) {
 		I915_WRITE(DSPCNTR(pipe),
 			   I915_READ(DSPCNTR(pipe)) |
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index ca3972f2c6f5..fc66af6a9448 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -287,7 +287,7 @@ static int init_ring_common(struct intel_ring_buffer *ring)
 
 	I915_WRITE_CTL(ring,
 			((ring->size - PAGE_SIZE) & RING_NR_PAGES)
-			| RING_REPORT_64K | RING_VALID);
+			| RING_VALID);
 
 	/* If the head is still not zero, the ring is dead */
 	if ((I915_READ_CTL(ring) & RING_VALID) == 0 ||
@@ -1191,18 +1191,6 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	unsigned long end;
 	int ret;
-	u32 head;
-
-	/* If the reported head position has wrapped or hasn't advanced,
-	 * fallback to the slow and accurate path.
-	 */
-	head = intel_read_status_page(ring, 4);
-	if (head > ring->head) {
-		ring->head = head;
-		ring->space = ring_space(ring);
-		if (ring->space >= n)
-			return 0;
-	}
 
 	ret = intel_ring_wait_request(ring, n);
 	if (ret != -ENOSPC)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 450b01d915e2..466db4115cd5 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3273,6 +3273,7 @@ int evergreen_resume(struct radeon_device *rdev)
 	r = evergreen_startup(rdev);
 	if (r) {
 		DRM_ERROR("evergreen startup failed on resume\n");
+		rdev->accel_working = false;
 		return r;
 	}
 
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 8ce7f9973a5c..160799c14b91 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1547,6 +1547,7 @@ int cayman_resume(struct radeon_device *rdev)
 	r = cayman_startup(rdev);
 	if (r) {
 		DRM_ERROR("cayman startup failed on resume\n");
+		rdev->accel_working = false;
 		return r;
 	}
 	return r;
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index cee3c8a28dbd..81801c176aa5 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -827,9 +827,7 @@ int r100_irq_process(struct radeon_device *rdev)
 			WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
 			break;
 		default:
-			msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
-			WREG32(RADEON_MSI_REARM_EN, msi_rearm);
-			WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
+			WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
 			break;
 		}
 	}
@@ -3979,6 +3977,8 @@ static int r100_startup(struct radeon_device *rdev)
 
 int r100_resume(struct radeon_device *rdev)
 {
+	int r;
+
 	/* Make sur GART are not working */
 	if (rdev->flags & RADEON_IS_PCI)
 		r100_pci_gart_disable(rdev);
@@ -3998,7 +3998,11 @@ int r100_resume(struct radeon_device *rdev)
 	radeon_surface_init(rdev);
 
 	rdev->accel_working = true;
-	return r100_startup(rdev);
+	r = r100_startup(rdev);
+	if (r) {
+		rdev->accel_working = false;
+	}
+	return r;
 }
 
 int r100_suspend(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 9b36e581b18d..fa14383f9ca0 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1430,6 +1430,8 @@ static int r300_startup(struct radeon_device *rdev)
 
 int r300_resume(struct radeon_device *rdev)
 {
+	int r;
+
 	/* Make sur GART are not working */
 	if (rdev->flags & RADEON_IS_PCIE)
 		rv370_pcie_gart_disable(rdev);
@@ -1451,7 +1453,11 @@ int r300_resume(struct radeon_device *rdev)
 	radeon_surface_init(rdev);
 
 	rdev->accel_working = true;
-	return r300_startup(rdev);
+	r = r300_startup(rdev);
+	if (r) {
+		rdev->accel_working = false;
+	}
+	return r;
 }
 
 int r300_suspend(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index d0f2c0363c27..f3fcaacfea01 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -291,6 +291,8 @@ static int r420_startup(struct radeon_device *rdev)
 
 int r420_resume(struct radeon_device *rdev)
 {
+	int r;
+
 	/* Make sur GART are not working */
 	if (rdev->flags & RADEON_IS_PCIE)
 		rv370_pcie_gart_disable(rdev);
@@ -316,7 +318,11 @@ int r420_resume(struct radeon_device *rdev)
 	radeon_surface_init(rdev);
 
 	rdev->accel_working = true;
-	return r420_startup(rdev);
+	r = r420_startup(rdev);
+	if (r) {
+		rdev->accel_working = false;
+	}
+	return r;
 }
 
 int r420_suspend(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index 422923ce70b6..ebcc15b03c9f 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -218,6 +218,8 @@ static int r520_startup(struct radeon_device *rdev)
 
 int r520_resume(struct radeon_device *rdev)
 {
+	int r;
+
 	/* Make sur GART are not working */
 	if (rdev->flags & RADEON_IS_PCIE)
 		rv370_pcie_gart_disable(rdev);
@@ -237,7 +239,11 @@ int r520_resume(struct radeon_device *rdev)
 	radeon_surface_init(rdev);
 
 	rdev->accel_working = true;
-	return r520_startup(rdev);
+	r = r520_startup(rdev);
+	if (r) {
+		rdev->accel_working = false;
+	}
+	return r;
 }
 
 int r520_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 8a6d68c028d3..5eb23829353f 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2362,6 +2362,9 @@ void r600_semaphore_ring_emit(struct radeon_device *rdev,
 	uint64_t addr = semaphore->gpu_addr;
 	unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
 
+	if (rdev->family < CHIP_CAYMAN)
+		sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
+
 	radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
 	radeon_ring_write(ring, addr & 0xffffffff);
 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
@@ -2529,6 +2532,7 @@ int r600_resume(struct radeon_device *rdev)
 	r = r600_startup(rdev);
 	if (r) {
 		DRM_ERROR("r600 startup failed on resume\n");
+		rdev->accel_working = false;
 		return r;
 	}
 
diff --git a/drivers/gpu/drm/radeon/r600_blit_shaders.c b/drivers/gpu/drm/radeon/r600_blit_shaders.c
index 2d1f6c5ee2a7..73e2c7c6edbc 100644
--- a/drivers/gpu/drm/radeon/r600_blit_shaders.c
+++ b/drivers/gpu/drm/radeon/r600_blit_shaders.c
@@ -314,6 +314,10 @@ const u32 r6xx_default_state[] =
 	0x00000000, /* VGT_VTX_CNT_EN */
 
 	0xc0016900,
+	0x000000d4,
+	0x00000000, /* SX_MISC */
+
+	0xc0016900,
 	0x000002c8,
 	0x00000000, /* VGT_STRMOUT_BUFFER_EN */
 
@@ -626,6 +630,10 @@ const u32 r7xx_default_state[] =
 	0x00000000, /* VGT_VTX_CNT_EN */
 
 	0xc0016900,
+	0x000000d4,
+	0x00000000, /* SX_MISC */
+
+	0xc0016900,
 	0x000002c8,
 	0x00000000, /* VGT_STRMOUT_BUFFER_EN */
 
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 5cbe948ef16e..2e465a7089bd 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -1392,6 +1392,7 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
 	h0 = G_038004_TEX_HEIGHT(word1) + 1;
 	d0 = G_038004_TEX_DEPTH(word1);
 	nfaces = 1;
+	array = 0;
 	switch (G_038000_DIM(word0)) {
 	case V_038000_SQ_TEX_DIM_1D:
 	case V_038000_SQ_TEX_DIM_2D:
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index 2ba460b5b62f..8ae328ff5fdd 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -850,6 +850,7 @@
 #define	PACKET3_STRMOUT_BUFFER_UPDATE			0x34
 #define	PACKET3_INDIRECT_BUFFER_MP			0x38
 #define	PACKET3_MEM_SEMAPHORE				0x39
+#              define PACKET3_SEM_WAIT_ON_SIGNAL    (0x1 << 12)
 #              define PACKET3_SEM_SEL_SIGNAL	    (0x6 << 29)
 #              define PACKET3_SEM_SEL_WAIT	    (0x7 << 29)
 #define	PACKET3_MPEG_INDEX				0x3A
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 5082d17d14dc..1f53ae74ada1 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2931,6 +2931,20 @@ radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP5;
 		}
 	}
+	if ((radeon_encoder->devices & ATOM_DEVICE_DFP6_SUPPORT) &&
+	    (radeon_connector->devices & ATOM_DEVICE_DFP6_SUPPORT)) {
+		if (connected) {
+			DRM_DEBUG_KMS("DFP6 connected\n");
+			bios_0_scratch |= ATOM_S0_DFP6;
+			bios_3_scratch |= ATOM_S3_DFP6_ACTIVE;
+			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP6;
+		} else {
+			DRM_DEBUG_KMS("DFP6 disconnected\n");
+			bios_0_scratch &= ~ATOM_S0_DFP6;
+			bios_3_scratch &= ~ATOM_S3_DFP6_ACTIVE;
+			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP6;
+		}
+	}
 
 	if (rdev->family >= CHIP_R600) {
 		WREG32(R600_BIOS_0_SCRATCH, bios_0_scratch);
@@ -2951,6 +2965,9 @@ radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	uint32_t bios_3_scratch;
 
+	if (ASIC_IS_DCE4(rdev))
+		return;
+
 	if (rdev->family >= CHIP_R600)
 		bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH);
 	else
@@ -3003,6 +3020,9 @@ radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	uint32_t bios_2_scratch;
 
+	if (ASIC_IS_DCE4(rdev))
+		return;
+
 	if (rdev->family >= CHIP_R600)
 		bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
 	else
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index e7cb3ab09243..8c9a8115b632 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1057,7 +1057,7 @@ static int radeon_dvi_mode_valid(struct drm_connector *connector,
 		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 			return MODE_OK;
 		else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
-			if (ASIC_IS_DCE3(rdev)) {
+			if (0) {
 				/* HDMI 1.3+ supports max clock of 340 Mhz */
 				if (mode->clock > 340000)
 					return MODE_CLOCK_HIGH;
@@ -1117,13 +1117,23 @@ static int radeon_dp_get_modes(struct drm_connector *connector)
 	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
 		struct drm_display_mode *mode;
 
-		if (!radeon_dig_connector->edp_on)
-			atombios_set_edp_panel_power(connector,
-						     ATOM_TRANSMITTER_ACTION_POWER_ON);
-		ret = radeon_ddc_get_modes(radeon_connector);
-		if (!radeon_dig_connector->edp_on)
-			atombios_set_edp_panel_power(connector,
-						     ATOM_TRANSMITTER_ACTION_POWER_OFF);
+		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
+			if (!radeon_dig_connector->edp_on)
+				atombios_set_edp_panel_power(connector,
+							     ATOM_TRANSMITTER_ACTION_POWER_ON);
+			ret = radeon_ddc_get_modes(radeon_connector);
+			if (!radeon_dig_connector->edp_on)
+				atombios_set_edp_panel_power(connector,
+							     ATOM_TRANSMITTER_ACTION_POWER_OFF);
+		} else {
+			/* need to setup ddc on the bridge */
+			if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
+			    ENCODER_OBJECT_ID_NONE) {
+				if (encoder)
+					radeon_atom_ext_encoder_setup_ddc(encoder);
+			}
+			ret = radeon_ddc_get_modes(radeon_connector);
+		}
 
 		if (ret > 0) {
 			if (encoder) {
@@ -1134,7 +1144,6 @@ static int radeon_dp_get_modes(struct drm_connector *connector)
 			return ret;
 		}
 
-		encoder = radeon_best_single_encoder(connector);
 		if (!encoder)
 			return 0;
 
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index dc79d08c1f97..9b4124ee17f7 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -460,6 +460,10 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	int r;
 
 	radeon_mutex_lock(&rdev->cs_mutex);
+	if (!rdev->accel_working) {
+		radeon_mutex_unlock(&rdev->cs_mutex);
+		return -EBUSY;
+	}
 	/* initialize parser */
 	memset(&parser, 0, sizeof(struct radeon_cs_parser));
 	parser.filp = filp;
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 1f98e5fbc733..b25bb2a55814 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1087,15 +1087,21 @@ static const struct drm_framebuffer_funcs radeon_fb_funcs = {
 	.create_handle = radeon_user_framebuffer_create_handle,
 };
 
-void
+int
 radeon_framebuffer_init(struct drm_device *dev,
 			struct radeon_framebuffer *rfb,
 			struct drm_mode_fb_cmd2 *mode_cmd,
 			struct drm_gem_object *obj)
 {
+	int ret;
 	rfb->obj = obj;
-	drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs);
+	ret = drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs);
+	if (ret) {
+		rfb->obj = NULL;
+		return ret;
+	}
 	drm_helper_mode_fill_fb_struct(&rfb->base, mode_cmd);
+	return 0;
 }
 
 static struct drm_framebuffer *
@@ -1105,6 +1111,7 @@ radeon_user_framebuffer_create(struct drm_device *dev,
 {
 	struct drm_gem_object *obj;
 	struct radeon_framebuffer *radeon_fb;
+	int ret;
 
 	obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
 	if (obj ==  NULL) {
@@ -1117,7 +1124,12 @@ radeon_user_framebuffer_create(struct drm_device *dev,
 	if (radeon_fb == NULL)
 		return ERR_PTR(-ENOMEM);
 
-	radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
+	ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
+	if (ret) {
+		kfree(radeon_fb);
+		drm_gem_object_unreference_unlocked(obj);
+		return NULL;
+	}
 
 	return &radeon_fb->base;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 9419c51bcf50..26e92708d114 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -307,8 +307,6 @@ void radeon_panel_mode_fixup(struct drm_encoder *encoder,
 bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
 				    u32 pixel_clock)
 {
-	struct drm_device *dev = encoder->dev;
-	struct radeon_device *rdev = dev->dev_private;
 	struct drm_connector *connector;
 	struct radeon_connector *radeon_connector;
 	struct radeon_connector_atom_dig *dig_connector;
@@ -326,7 +324,7 @@ bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
 	case DRM_MODE_CONNECTOR_HDMIB:
 		if (radeon_connector->use_digital) {
 			/* HDMI 1.3 supports up to 340 Mhz over single link */
-			if (ASIC_IS_DCE3(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
+			if (0 && drm_detect_hdmi_monitor(radeon_connector->edid)) {
 				if (pixel_clock > 340000)
 					return true;
 				else
@@ -348,7 +346,7 @@ bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
 			return false;
 		else {
 			/* HDMI 1.3 supports up to 340 Mhz over single link */
-			if (ASIC_IS_DCE3(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
+			if (0 && drm_detect_hdmi_monitor(radeon_connector->edid)) {
 				if (pixel_clock > 340000)
 					return true;
 				else
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index a5692d5f415d..60b97ab1d19e 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -209,6 +209,11 @@ static int radeonfb_create(struct radeon_fbdev *rfbdev,
 							  sizes->surface_depth);
 
 	ret = radeonfb_create_pinned_object(rfbdev, &mode_cmd, &gobj);
+	if (ret) {
+		DRM_ERROR("failed to create fbcon object %d\n", ret);
+		return ret;
+	}
+
 	rbo = gem_to_radeon_bo(gobj);
 
 	/* okay we have an object now allocate the framebuffer */
@@ -220,7 +225,11 @@ static int radeonfb_create(struct radeon_fbdev *rfbdev,
 
 	info->par = rfbdev;
 
-	radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj);
+	ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj);
+	if (ret) {
+		DRM_ERROR("failed to initalise framebuffer %d\n", ret);
+		goto out_unref;
+	}
 
 	fb = &rfbdev->rfb.base;
 
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 64ea3dd9e6ff..4bd36a354fbe 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -364,8 +364,10 @@ int radeon_fence_count_emitted(struct radeon_device *rdev, int ring)
 	int not_processed = 0;
 
 	read_lock_irqsave(&rdev->fence_lock, irq_flags);
-	if (!rdev->fence_drv[ring].initialized)
+	if (!rdev->fence_drv[ring].initialized) {
+		read_unlock_irqrestore(&rdev->fence_lock, irq_flags);
 		return 0;
+	}
 
 	if (!list_empty(&rdev->fence_drv[ring].emitted)) {
 		struct list_head *ptr;
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 010dad8b66ae..c58a036233fb 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -597,13 +597,13 @@ int radeon_vm_bo_rmv(struct radeon_device *rdev,
 	if (bo_va == NULL)
 		return 0;
 
-	list_del(&bo_va->bo_list);
 	mutex_lock(&vm->mutex);
 	radeon_mutex_lock(&rdev->cs_mutex);
 	radeon_vm_bo_update_pte(rdev, vm, bo, NULL);
 	radeon_mutex_unlock(&rdev->cs_mutex);
 	list_del(&bo_va->vm_list);
 	mutex_unlock(&vm->mutex);
+	list_del(&bo_va->bo_list);
 
 	kfree(bo_va);
 	return 0;
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 4330e3253573..8a85598fb242 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -649,7 +649,7 @@ extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
 				     u16 blue, int regno);
 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 				     u16 *blue, int regno);
-void radeon_framebuffer_init(struct drm_device *dev,
+int radeon_framebuffer_init(struct drm_device *dev,
 			     struct radeon_framebuffer *rfb,
 			     struct drm_mode_fb_cmd2 *mode_cmd,
 			     struct drm_gem_object *obj);
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 32c83d8bad34..30566201dffb 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -503,8 +503,11 @@ static unsigned radeon_debugfs_ib_idx[RADEON_IB_POOL_SIZE];
 int radeon_debugfs_ring_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, radeon_debugfs_ring_info_list,
-					ARRAY_SIZE(radeon_debugfs_ring_info_list));
+	if (rdev->family >= CHIP_CAYMAN)
+		return radeon_debugfs_add_files(rdev, radeon_debugfs_ring_info_list,
+						ARRAY_SIZE(radeon_debugfs_ring_info_list));
+	else
+		return radeon_debugfs_add_files(rdev, radeon_debugfs_ring_info_list, 1);
 #else
 	return 0;
 #endif
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 5280c87d5955..4cf381b3a6d8 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -442,6 +442,8 @@ static int rs400_startup(struct radeon_device *rdev)
 
 int rs400_resume(struct radeon_device *rdev)
 {
+	int r;
+
 	/* Make sur GART are not working */
 	rs400_gart_disable(rdev);
 	/* Resume clock before doing reset */
@@ -462,7 +464,11 @@ int rs400_resume(struct radeon_device *rdev)
 	radeon_surface_init(rdev);
 
 	rdev->accel_working = true;
-	return rs400_startup(rdev);
+	r = rs400_startup(rdev);
+	if (r) {
+		rdev->accel_working = false;
+	}
+	return r;
 }
 
 int rs400_suspend(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 8c2a3d4d638c..d25cf869d08d 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -703,9 +703,7 @@ int rs600_irq_process(struct radeon_device *rdev)
 			WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
 			break;
 		default:
-			msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
-			WREG32(RADEON_MSI_REARM_EN, msi_rearm);
-			WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
+			WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
 			break;
 		}
 	}
@@ -897,6 +895,8 @@ static int rs600_startup(struct radeon_device *rdev)
 
 int rs600_resume(struct radeon_device *rdev)
 {
+	int r;
+
 	/* Make sur GART are not working */
 	rs600_gart_disable(rdev);
 	/* Resume clock before doing reset */
@@ -915,7 +915,11 @@ int rs600_resume(struct radeon_device *rdev)
 	radeon_surface_init(rdev);
 
 	rdev->accel_working = true;
-	return rs600_startup(rdev);
+	r = rs600_startup(rdev);
+	if (r) {
+		rdev->accel_working = false;
+	}
+	return r;
 }
 
 int rs600_suspend(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 6aa65032d3cb..f2c3b9d75f18 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -659,6 +659,8 @@ static int rs690_startup(struct radeon_device *rdev)
 
 int rs690_resume(struct radeon_device *rdev)
 {
+	int r;
+
 	/* Make sur GART are not working */
 	rs400_gart_disable(rdev);
 	/* Resume clock before doing reset */
@@ -677,7 +679,11 @@ int rs690_resume(struct radeon_device *rdev)
 	radeon_surface_init(rdev);
 
 	rdev->accel_working = true;
-	return rs690_startup(rdev);
+	r = rs690_startup(rdev);
+	if (r) {
+		rdev->accel_working = false;
+	}
+	return r;
 }
 
 int rs690_suspend(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 9e1b159bbb7f..c0549b146bae 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -423,6 +423,8 @@ static int rv515_startup(struct radeon_device *rdev)
 
 int rv515_resume(struct radeon_device *rdev)
 {
+	int r;
+
 	/* Make sur GART are not working */
 	if (rdev->flags & RADEON_IS_PCIE)
 		rv370_pcie_gart_disable(rdev);
@@ -442,7 +444,11 @@ int rv515_resume(struct radeon_device *rdev)
 	radeon_surface_init(rdev);
 
 	rdev->accel_working = true;
-	return rv515_startup(rdev);
+	r =  rv515_startup(rdev);
+	if (r) {
+		rdev->accel_working = false;
+	}
+	return r;
 }
 
 int rv515_suspend(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 6f2cbfb18292..c62ae4be3845 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1139,6 +1139,7 @@ int rv770_resume(struct radeon_device *rdev)
 	r = rv770_startup(rdev);
 	if (r) {
 		DRM_ERROR("r600 startup failed on resume\n");
+		rdev->accel_working = false;
 		return r;
 	}
 
diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 0c33ae9cf0f0..406632472c1b 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -548,6 +548,7 @@ static int mousevsc_remove(struct hv_device *dev)
 	struct mousevsc_dev *input_dev = hv_get_drvdata(dev);
 
 	vmbus_close(dev->channel);
+	hid_hw_stop(input_dev->hid_device);
 	hid_destroy_device(input_dev->hid_device);
 	mousevsc_free_device(input_dev);
 
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index b8574cddd953..63552e30d0c3 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -59,6 +59,9 @@
 #define USB_VENDOR_ID_AIRCABLE		0x16CA
 #define USB_DEVICE_ID_AIRCABLE1		0x1502
 
+#define USB_VENDOR_ID_AIREN		0x1a2c
+#define USB_DEVICE_ID_AIREN_SLIMPLUS	0x0002
+
 #define USB_VENDOR_ID_ALCOR		0x058f
 #define USB_DEVICE_ID_ALCOR_USBRS232	0x9720
 
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 9333d692a786..627850a54d34 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -986,8 +986,13 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
 		return;
 	}
 
-	/* Ignore out-of-range values as per HID specification, section 5.10 */
-	if (value < field->logical_minimum || value > field->logical_maximum) {
+	/*
+	 * Ignore out-of-range values as per HID specification,
+	 * section 5.10 and 6.2.25
+	 */
+	if ((field->flags & HID_MAIN_ITEM_VARIABLE) &&
+	    (value < field->logical_minimum ||
+	     value > field->logical_maximum)) {
 		dbg_hid("Ignoring out-of-range value %x\n", value);
 		return;
 	}
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index b47e58b52d9f..acab74cde727 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -531,7 +531,6 @@ static int wacom_probe(struct hid_device *hdev,
 	wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY;
 	wdata->battery.use_for_apm = 0;
 
-	power_supply_powers(&wdata->battery, &hdev->dev);
 
 	ret = power_supply_register(&hdev->dev, &wdata->battery);
 	if (ret) {
@@ -540,6 +539,8 @@ static int wacom_probe(struct hid_device *hdev,
 		goto err_battery;
 	}
 
+	power_supply_powers(&wdata->battery, &hdev->dev);
+
 	wdata->ac.properties = wacom_ac_props;
 	wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props);
 	wdata->ac.get_property = wacom_ac_get_property;
@@ -547,14 +548,14 @@ static int wacom_probe(struct hid_device *hdev,
 	wdata->ac.type = POWER_SUPPLY_TYPE_MAINS;
 	wdata->ac.use_for_apm = 0;
 
-	power_supply_powers(&wdata->battery, &hdev->dev);
-
 	ret = power_supply_register(&hdev->dev, &wdata->ac);
 	if (ret) {
 		hid_warn(hdev,
 			 "can't create ac battery attribute, err: %d\n", ret);
 		goto err_ac;
 	}
+
+	power_supply_powers(&wdata->ac, &hdev->dev);
 #endif
 	return 0;
 
diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index fc253b472f9d..cac3589b1ed5 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -1226,14 +1226,14 @@ static int wiimote_hid_probe(struct hid_device *hdev,
 	wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY;
 	wdata->battery.use_for_apm = 0;
 
-	power_supply_powers(&wdata->battery, &hdev->dev);
-
 	ret = power_supply_register(&wdata->hdev->dev, &wdata->battery);
 	if (ret) {
 		hid_err(hdev, "Cannot register battery device\n");
 		goto err_battery;
 	}
 
+	power_supply_powers(&wdata->battery, &hdev->dev);
+
 	ret = wiimote_leds_create(wdata);
 	if (ret)
 		goto err_free;
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index c831af937481..57d4e1e1df48 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -54,6 +54,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS, HID_QUIRK_MULTI_INPUT },
 
+	{ USB_VENDOR_ID_AIREN, USB_DEVICE_ID_AIREN_SLIMPLUS, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 7c297d305d5d..b1ec0e2aeb57 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -922,11 +922,11 @@ void hiddev_disconnect(struct hid_device *hid)
 	struct hiddev *hiddev = hid->hiddev;
 	struct usbhid_device *usbhid = hid->driver_data;
 
+	usb_deregister_dev(usbhid->intf, &hiddev_class);
+
 	mutex_lock(&hiddev->existancelock);
 	hiddev->exist = 0;
 
-	usb_deregister_dev(usbhid->intf, &hiddev_class);
-
 	if (hiddev->open) {
 		mutex_unlock(&hiddev->existancelock);
 		usbhid_close(hiddev->hid);
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 02260406b9e4..dad895fec62a 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -497,8 +497,9 @@ config SENSORS_JC42
 	  If you say yes here, you get support for JEDEC JC42.4 compliant
 	  temperature sensors, which are used on many DDR3 memory modules for
 	  mobile devices and servers.  Support will include, but not be limited
-	  to, ADT7408, CAT34TS02, CAT6095, MAX6604, MCP9805, MCP98242, MCP98243,
-	  MCP9843, SE97, SE98, STTS424(E), TSE2002B3, and TS3000B3.
+	  to, ADT7408, AT30TS00, CAT34TS02, CAT6095, MAX6604, MCP9804, MCP9805,
+	  MCP98242, MCP98243, MCP9843, SE97, SE98, STTS424(E), STTS2002,
+	  STTS3000, TSE2002B3, TSE2002GB2, TS3000B3, and TS3000GB2.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called jc42.
diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
index eedca3cf9968..dd87ae96c262 100644
--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -271,7 +271,7 @@ static int ads1015_probe(struct i2c_client *client,
 			continue;
 		err = device_create_file(&client->dev, &ads1015_in[k].dev_attr);
 		if (err)
-			goto exit_free;
+			goto exit_remove;
 	}
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -285,7 +285,6 @@ static int ads1015_probe(struct i2c_client *client,
 exit_remove:
 	for (k = 0; k < ADS1015_CHANNELS; ++k)
 		device_remove_file(&client->dev, &ads1015_in[k].dev_attr);
-exit_free:
 	kfree(data);
 exit:
 	return err;
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index eedf574ab539..6aa5a9fad879 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -172,12 +172,22 @@ static inline void f75375_write8(struct i2c_client *client, u8 reg,
 static inline void f75375_write16(struct i2c_client *client, u8 reg,
 		u16 value)
 {
-	int err = i2c_smbus_write_byte_data(client, reg, (value << 8));
+	int err = i2c_smbus_write_byte_data(client, reg, (value >> 8));
 	if (err)
 		return;
 	i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF));
 }
 
+static void f75375_write_pwm(struct i2c_client *client, int nr)
+{
+	struct f75375_data *data = i2c_get_clientdata(client);
+	if (data->kind == f75387)
+		f75375_write16(client, F75375_REG_FAN_EXP(nr), data->pwm[nr]);
+	else
+		f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr),
+			      data->pwm[nr]);
+}
+
 static struct f75375_data *f75375_update_device(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
@@ -200,9 +210,6 @@ static struct f75375_data *f75375_update_device(struct device *dev)
 				f75375_read16(client, F75375_REG_FAN_MIN(nr));
 			data->fan_target[nr] =
 				f75375_read16(client, F75375_REG_FAN_EXP(nr));
-			data->pwm[nr] =	f75375_read8(client,
-				F75375_REG_FAN_PWM_DUTY(nr));
-
 		}
 		for (nr = 0; nr < 4; nr++) {
 			data->in_max[nr] =
@@ -218,6 +225,8 @@ static struct f75375_data *f75375_update_device(struct device *dev)
 	if (time_after(jiffies, data->last_updated + 2 * HZ)
 		|| !data->valid) {
 		for (nr = 0; nr < 2; nr++) {
+			data->pwm[nr] =	f75375_read8(client,
+				F75375_REG_FAN_PWM_DUTY(nr));
 			/* assign MSB, therefore shift it by 8 bits */
 			data->temp11[nr] =
 				f75375_read8(client, F75375_REG_TEMP(nr)) << 8;
@@ -255,6 +264,36 @@ static inline u16 rpm_to_reg(int rpm)
 	return 1500000 / rpm;
 }
 
+static bool duty_mode_enabled(u8 pwm_enable)
+{
+	switch (pwm_enable) {
+	case 0: /* Manual, duty mode (full speed) */
+	case 1: /* Manual, duty mode */
+	case 4: /* Auto, duty mode */
+		return true;
+	case 2: /* Auto, speed mode */
+	case 3: /* Manual, speed mode */
+		return false;
+	default:
+		BUG();
+	}
+}
+
+static bool auto_mode_enabled(u8 pwm_enable)
+{
+	switch (pwm_enable) {
+	case 0: /* Manual, duty mode (full speed) */
+	case 1: /* Manual, duty mode */
+	case 3: /* Manual, speed mode */
+		return false;
+	case 2: /* Auto, speed mode */
+	case 4: /* Auto, duty mode */
+		return true;
+	default:
+		BUG();
+	}
+}
+
 static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
@@ -288,6 +327,11 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute *attr,
 	if (err < 0)
 		return err;
 
+	if (auto_mode_enabled(data->pwm_enable[nr]))
+		return -EINVAL;
+	if (data->kind == f75387 && duty_mode_enabled(data->pwm_enable[nr]))
+		return -EINVAL;
+
 	mutex_lock(&data->update_lock);
 	data->fan_target[nr] = rpm_to_reg(val);
 	f75375_write16(client, F75375_REG_FAN_EXP(nr), data->fan_target[nr]);
@@ -308,9 +352,13 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 	if (err < 0)
 		return err;
 
+	if (auto_mode_enabled(data->pwm_enable[nr]) ||
+	    !duty_mode_enabled(data->pwm_enable[nr]))
+		return -EINVAL;
+
 	mutex_lock(&data->update_lock);
 	data->pwm[nr] = SENSORS_LIMIT(val, 0, 255);
-	f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), data->pwm[nr]);
+	f75375_write_pwm(client, nr);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -328,11 +376,15 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
 	struct f75375_data *data = i2c_get_clientdata(client);
 	u8 fanmode;
 
-	if (val < 0 || val > 3)
+	if (val < 0 || val > 4)
 		return -EINVAL;
 
 	fanmode = f75375_read8(client, F75375_REG_FAN_TIMER);
 	if (data->kind == f75387) {
+		/* For now, deny dangerous toggling of duty mode */
+		if (duty_mode_enabled(data->pwm_enable[nr]) !=
+				duty_mode_enabled(val))
+			return -EOPNOTSUPP;
 		/* clear each fanX_mode bit before setting them properly */
 		fanmode &= ~(1 << F75387_FAN_DUTY_MODE(nr));
 		fanmode &= ~(1 << F75387_FAN_MANU_MODE(nr));
@@ -341,19 +393,19 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
 			fanmode |= (1 << F75387_FAN_MANU_MODE(nr));
 			fanmode |= (1 << F75387_FAN_DUTY_MODE(nr));
 			data->pwm[nr] = 255;
-			f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr),
-					data->pwm[nr]);
 			break;
 		case 1: /* PWM */
 			fanmode  |= (1 << F75387_FAN_MANU_MODE(nr));
 			fanmode  |= (1 << F75387_FAN_DUTY_MODE(nr));
 			break;
-		case 2: /* AUTOMATIC*/
-			fanmode  |=  (1 << F75387_FAN_DUTY_MODE(nr));
+		case 2: /* Automatic, speed mode */
 			break;
 		case 3: /* fan speed */
 			fanmode |= (1 << F75387_FAN_MANU_MODE(nr));
 			break;
+		case 4: /* Automatic, pwm */
+			fanmode |= (1 << F75387_FAN_DUTY_MODE(nr));
+			break;
 		}
 	} else {
 		/* clear each fanX_mode bit before setting them properly */
@@ -362,22 +414,24 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
 		case 0: /* full speed */
 			fanmode  |= (3 << FAN_CTRL_MODE(nr));
 			data->pwm[nr] = 255;
-			f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr),
-					data->pwm[nr]);
 			break;
 		case 1: /* PWM */
 			fanmode  |= (3 << FAN_CTRL_MODE(nr));
 			break;
 		case 2: /* AUTOMATIC*/
-			fanmode  |= (2 << FAN_CTRL_MODE(nr));
+			fanmode  |= (1 << FAN_CTRL_MODE(nr));
 			break;
 		case 3: /* fan speed */
 			break;
+		case 4: /* Automatic pwm */
+			return -EINVAL;
 		}
 	}
 
 	f75375_write8(client, F75375_REG_FAN_TIMER, fanmode);
 	data->pwm_enable[nr] = val;
+	if (val == 0)
+		f75375_write_pwm(client, nr);
 	return 0;
 }
 
@@ -723,19 +777,22 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data,
 			if (data->kind == f75387) {
 				bool manu, duty;
 
-				if (!(conf & (1 << F75387_FAN_CTRL_LINEAR(nr))))
+				if (!(mode & (1 << F75387_FAN_CTRL_LINEAR(nr))))
 					data->pwm_mode[nr] = 1;
 
 				manu = ((mode >> F75387_FAN_MANU_MODE(nr)) & 1);
 				duty = ((mode >> F75387_FAN_DUTY_MODE(nr)) & 1);
-				if (manu && duty)
-					/* speed */
+				if (!manu && duty)
+					/* auto, pwm */
+					data->pwm_enable[nr] = 4;
+				else if (manu && !duty)
+					/* manual, speed */
 					data->pwm_enable[nr] = 3;
-				else if (!manu && duty)
-					/* automatic */
+				else if (!manu && !duty)
+					/* automatic, speed */
 					data->pwm_enable[nr] = 2;
 				else
-					/* manual */
+					/* manual, pwm */
 					data->pwm_enable[nr] = 1;
 			} else {
 				if (!(conf & (1 << F75375_FAN_CTRL_LINEAR(nr))))
@@ -760,9 +817,11 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data,
 	set_pwm_enable_direct(client, 0, f75375s_pdata->pwm_enable[0]);
 	set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]);
 	for (nr = 0; nr < 2; nr++) {
+		if (auto_mode_enabled(f75375s_pdata->pwm_enable[nr]) ||
+		    !duty_mode_enabled(f75375s_pdata->pwm_enable[nr]))
+			continue;
 		data->pwm[nr] = SENSORS_LIMIT(f75375s_pdata->pwm[nr], 0, 255);
-		f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr),
-			data->pwm[nr]);
+		f75375_write_pwm(client, nr);
 	}
 
 }
@@ -789,7 +848,7 @@ static int f75375_probe(struct i2c_client *client,
 	if (err)
 		goto exit_free;
 
-	if (data->kind == f75375) {
+	if (data->kind != f75373) {
 		err = sysfs_chmod_file(&client->dev.kobj,
 			&sensor_dev_attr_pwm1_mode.dev_attr.attr,
 			S_IRUGO | S_IWUSR);
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index 28c09eead36b..b927ee5ccdd7 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -64,6 +64,7 @@ static const unsigned short normal_i2c[] = {
 
 /* Manufacturer IDs */
 #define ADT_MANID		0x11d4  /* Analog Devices */
+#define ATMEL_MANID		0x001f  /* Atmel */
 #define MAX_MANID		0x004d  /* Maxim */
 #define IDT_MANID		0x00b3  /* IDT */
 #define MCP_MANID		0x0054  /* Microchip */
@@ -77,15 +78,25 @@ static const unsigned short normal_i2c[] = {
 #define ADT7408_DEVID		0x0801
 #define ADT7408_DEVID_MASK	0xffff
 
+/* Atmel */
+#define AT30TS00_DEVID		0x8201
+#define AT30TS00_DEVID_MASK	0xffff
+
 /* IDT */
 #define TS3000B3_DEVID		0x2903  /* Also matches TSE2002B3 */
 #define TS3000B3_DEVID_MASK	0xffff
 
+#define TS3000GB2_DEVID		0x2912  /* Also matches TSE2002GB2 */
+#define TS3000GB2_DEVID_MASK	0xffff
+
 /* Maxim */
 #define MAX6604_DEVID		0x3e00
 #define MAX6604_DEVID_MASK	0xffff
 
 /* Microchip */
+#define MCP9804_DEVID		0x0200
+#define MCP9804_DEVID_MASK	0xfffc
+
 #define MCP98242_DEVID		0x2000
 #define MCP98242_DEVID_MASK	0xfffc
 
@@ -113,6 +124,12 @@ static const unsigned short normal_i2c[] = {
 #define STTS424E_DEVID		0x0000
 #define STTS424E_DEVID_MASK	0xfffe
 
+#define STTS2002_DEVID		0x0300
+#define STTS2002_DEVID_MASK	0xffff
+
+#define STTS3000_DEVID		0x0200
+#define STTS3000_DEVID_MASK	0xffff
+
 static u16 jc42_hysteresis[] = { 0, 1500, 3000, 6000 };
 
 struct jc42_chips {
@@ -123,8 +140,11 @@ struct jc42_chips {
 
 static struct jc42_chips jc42_chips[] = {
 	{ ADT_MANID, ADT7408_DEVID, ADT7408_DEVID_MASK },
+	{ ATMEL_MANID, AT30TS00_DEVID, AT30TS00_DEVID_MASK },
 	{ IDT_MANID, TS3000B3_DEVID, TS3000B3_DEVID_MASK },
+	{ IDT_MANID, TS3000GB2_DEVID, TS3000GB2_DEVID_MASK },
 	{ MAX_MANID, MAX6604_DEVID, MAX6604_DEVID_MASK },
+	{ MCP_MANID, MCP9804_DEVID, MCP9804_DEVID_MASK },
 	{ MCP_MANID, MCP98242_DEVID, MCP98242_DEVID_MASK },
 	{ MCP_MANID, MCP98243_DEVID, MCP98243_DEVID_MASK },
 	{ MCP_MANID, MCP9843_DEVID, MCP9843_DEVID_MASK },
@@ -133,6 +153,8 @@ static struct jc42_chips jc42_chips[] = {
 	{ NXP_MANID, SE98_DEVID, SE98_DEVID_MASK },
 	{ STM_MANID, STTS424_DEVID, STTS424_DEVID_MASK },
 	{ STM_MANID, STTS424E_DEVID, STTS424E_DEVID_MASK },
+	{ STM_MANID, STTS2002_DEVID, STTS2002_DEVID_MASK },
+	{ STM_MANID, STTS3000_DEVID, STTS3000_DEVID_MASK },
 };
 
 /* Each client has this additional data */
@@ -159,10 +181,12 @@ static struct jc42_data *jc42_update_device(struct device *dev);
 
 static const struct i2c_device_id jc42_id[] = {
 	{ "adt7408", 0 },
+	{ "at30ts00", 0 },
 	{ "cat94ts02", 0 },
 	{ "cat6095", 0 },
 	{ "jc42", 0 },
 	{ "max6604", 0 },
+	{ "mcp9804", 0 },
 	{ "mcp9805", 0 },
 	{ "mcp98242", 0 },
 	{ "mcp98243", 0 },
@@ -171,8 +195,10 @@ static const struct i2c_device_id jc42_id[] = {
 	{ "se97b", 0 },
 	{ "se98", 0 },
 	{ "stts424", 0 },
-	{ "tse2002b3", 0 },
-	{ "ts3000b3", 0 },
+	{ "stts2002", 0 },
+	{ "stts3000", 0 },
+	{ "tse2002", 0 },
+	{ "ts3000", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, jc42_id);
diff --git a/drivers/hwmon/max6639.c b/drivers/hwmon/max6639.c
index e10a092c603c..a6760bacd915 100644
--- a/drivers/hwmon/max6639.c
+++ b/drivers/hwmon/max6639.c
@@ -72,8 +72,8 @@ static unsigned short normal_i2c[] = { 0x2c, 0x2e, 0x2f, I2C_CLIENT_END };
 
 static const int rpm_ranges[] = { 2000, 4000, 8000, 16000 };
 
-#define FAN_FROM_REG(val, div, rpm_range)	((val) == 0 ? -1 : \
-	(val) == 255 ? 0 : (rpm_ranges[rpm_range] * 30) / ((div + 1) * (val)))
+#define FAN_FROM_REG(val, rpm_range)	((val) == 0 || (val) == 255 ? \
+				0 : (rpm_ranges[rpm_range] * 30) / (val))
 #define TEMP_LIMIT_TO_REG(val)	SENSORS_LIMIT((val) / 1000, 0, 255)
 
 /*
@@ -333,7 +333,7 @@ static ssize_t show_fan_input(struct device *dev,
 		return PTR_ERR(data);
 
 	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[attr->index],
-		       data->ppr, data->rpm_range));
+		       data->rpm_range));
 }
 
 static ssize_t show_alarm(struct device *dev,
@@ -429,9 +429,9 @@ static int max6639_init_client(struct i2c_client *client)
 	struct max6639_data *data = i2c_get_clientdata(client);
 	struct max6639_platform_data *max6639_info =
 		client->dev.platform_data;
-	int i = 0;
+	int i;
 	int rpm_range = 1; /* default: 4000 RPM */
-	int err = 0;
+	int err;
 
 	/* Reset chip to default values, see below for GCONFIG setup */
 	err = i2c_smbus_write_byte_data(client, MAX6639_REG_GCONFIG,
@@ -446,11 +446,6 @@ static int max6639_init_client(struct i2c_client *client)
 	else
 		data->ppr = 2;
 	data->ppr -= 1;
-	err = i2c_smbus_write_byte_data(client,
-			MAX6639_REG_FAN_PPR(i),
-			data->ppr << 5);
-	if (err)
-		goto exit;
 
 	if (max6639_info)
 		rpm_range = rpm_range_to_reg(max6639_info->rpm_range);
@@ -458,6 +453,13 @@ static int max6639_init_client(struct i2c_client *client)
 
 	for (i = 0; i < 2; i++) {
 
+		/* Set Fan pulse per revolution */
+		err = i2c_smbus_write_byte_data(client,
+				MAX6639_REG_FAN_PPR(i),
+				data->ppr << 6);
+		if (err)
+			goto exit;
+
 		/* Fans config PWM, RPM */
 		err = i2c_smbus_write_byte_data(client,
 			MAX6639_REG_FAN_CONFIG1(i),
diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c
index beaf5a8d9c45..9b97a5b3cf3d 100644
--- a/drivers/hwmon/pmbus/max34440.c
+++ b/drivers/hwmon/pmbus/max34440.c
@@ -82,7 +82,7 @@ static int max34440_write_word_data(struct i2c_client *client, int page,
 	case PMBUS_VIRT_RESET_TEMP_HISTORY:
 		ret = pmbus_write_word_data(client, page,
 					    MAX34440_MFR_TEMPERATURE_PEAK,
-					    0xffff);
+					    0x8000);
 		break;
 	default:
 		ret = -ENODATA;
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 00460d8d8423..d89b33967a85 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -54,7 +54,8 @@
 						   lcrit_alarm, crit_alarm */
 #define PMBUS_IOUT_BOOLEANS_PER_PAGE	3	/* alarm, lcrit_alarm,
 						   crit_alarm */
-#define PMBUS_POUT_BOOLEANS_PER_PAGE	2	/* alarm, crit_alarm */
+#define PMBUS_POUT_BOOLEANS_PER_PAGE	3	/* cap_alarm, alarm, crit_alarm
+						 */
 #define PMBUS_MAX_BOOLEANS_PER_FAN	2	/* alarm, fault */
 #define PMBUS_MAX_BOOLEANS_PER_TEMP	4	/* min_alarm, max_alarm,
 						   lcrit_alarm, crit_alarm */
diff --git a/drivers/hwmon/pmbus/zl6100.c b/drivers/hwmon/pmbus/zl6100.c
index 48c7b4a716ae..880b90cf4d32 100644
--- a/drivers/hwmon/pmbus/zl6100.c
+++ b/drivers/hwmon/pmbus/zl6100.c
@@ -33,6 +33,7 @@ enum chips { zl2004, zl2005, zl2006, zl2008, zl2105, zl2106, zl6100, zl6105 };
 struct zl6100_data {
 	int id;
 	ktime_t access;		/* chip access time */
+	int delay;		/* Delay between chip accesses in uS */
 	struct pmbus_driver_info info;
 };
 
@@ -52,10 +53,10 @@ MODULE_PARM_DESC(delay, "Delay between chip accesses in uS");
 /* Some chips need a delay between accesses */
 static inline void zl6100_wait(const struct zl6100_data *data)
 {
-	if (delay) {
+	if (data->delay) {
 		s64 delta = ktime_us_delta(ktime_get(), data->access);
-		if (delta < delay)
-			udelay(delay - delta);
+		if (delta < data->delay)
+			udelay(data->delay - delta);
 	}
 }
 
@@ -207,8 +208,9 @@ static int zl6100_probe(struct i2c_client *client,
 	 * can be cleared later for additional chips if tests show that it
 	 * is not needed (in other words, better be safe than sorry).
 	 */
+	data->delay = delay;
 	if (data->id == zl2004 || data->id == zl6105)
-		delay = 0;
+		data->delay = 0;
 
 	/*
 	 * Since there was a direct I2C device access above, wait before
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 2dfae7d7cc5b..5276d1933dbc 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1920,9 +1920,26 @@ w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data,
 		fan4min = 0;
 		fan5pin = 0;
 	} else if (sio_data->kind == nct6776) {
-		fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
-		fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
-		fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+		bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80;
+
+		superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
+		regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
+
+		if (regval & 0x80)
+			fan3pin = gpok;
+		else
+			fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
+
+		if (regval & 0x40)
+			fan4pin = gpok;
+		else
+			fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
+
+		if (regval & 0x20)
+			fan5pin = gpok;
+		else
+			fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+
 		fan4min = fan4pin;
 	} else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
 		fan3pin = 1;
@@ -2337,11 +2354,6 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
 	for (i = 0; i < data->pwm_num; i++)
 		data->pwm_enable_orig[i] = data->pwm_enable[i];
 
-	/* Read pwm data to save original values */
-	w83627ehf_update_pwm_common(dev, data);
-	for (i = 0; i < data->pwm_num; i++)
-		data->pwm_enable_orig[i] = data->pwm_enable[i];
-
 	/* Register sysfs hooks */
 	for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) {
 		err = device_create_file(dev, &sda_sf3_arrays[i].dev_attr);
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 7e78f7c87857..3d471d56bf15 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -72,6 +72,7 @@
 
 #define MXS_I2C_QUEUESTAT	(0x70)
 #define MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY        0x00002000
+#define MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK	0x0000001F
 
 #define MXS_I2C_QUEUECMD	(0x80)
 
@@ -219,14 +220,14 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
 	int ret;
 	int flags;
 
-	init_completion(&i2c->cmd_complete);
-
 	dev_dbg(i2c->dev, "addr: 0x%04x, len: %d, flags: 0x%x, stop: %d\n",
 		msg->addr, msg->len, msg->flags, stop);
 
 	if (msg->len == 0)
 		return -EINVAL;
 
+	init_completion(&i2c->cmd_complete);
+
 	flags = stop ? MXS_I2C_CTRL0_POST_SEND_STOP : 0;
 
 	if (msg->flags & I2C_M_RD)
@@ -286,6 +287,7 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
 {
 	struct mxs_i2c_dev *i2c = dev_id;
 	u32 stat = readl(i2c->regs + MXS_I2C_CTRL1) & MXS_I2C_IRQ_MASK;
+	bool is_last_cmd;
 
 	if (!stat)
 		return IRQ_NONE;
@@ -300,9 +302,14 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
 	else
 		i2c->cmd_err = 0;
 
-	complete(&i2c->cmd_complete);
+	is_last_cmd = (readl(i2c->regs + MXS_I2C_QUEUESTAT) &
+		MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK) == 0;
+
+	if (is_last_cmd || i2c->cmd_err)
+		complete(&i2c->cmd_complete);
 
 	writel(stat, i2c->regs + MXS_I2C_CTRL1_CLR);
+
 	return IRQ_HANDLED;
 }
 
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index f713eac55047..801df6000e9b 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1018,7 +1018,7 @@ omap_i2c_probe(struct platform_device *pdev)
 		goto err_release_region;
 	}
 
-	match = of_match_device(omap_i2c_of_match, &pdev->dev);
+	match = of_match_device(of_match_ptr(omap_i2c_of_match), &pdev->dev);
 	if (match) {
 		u32 freq = 100000; /* default to 100000 Hz */
 
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 6381604696d3..0ab4a9548745 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -755,7 +755,7 @@ MODULE_DEVICE_TABLE(of, tegra_i2c_of_match);
 
 static struct platform_driver tegra_i2c_driver = {
 	.probe   = tegra_i2c_probe,
-	.remove  = tegra_i2c_remove,
+	.remove  = __devexit_p(tegra_i2c_remove),
 #ifdef CONFIG_PM
 	.suspend = tegra_i2c_suspend,
 	.resume  = tegra_i2c_resume,
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 7f879b2397b0..af8d016c37ea 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -116,4 +116,3 @@ obj-$(CONFIG_BLK_DEV_IDE_AU1XXX)	+= au1xxx-ide.o
 
 obj-$(CONFIG_BLK_DEV_IDE_TX4938)	+= tx4938ide.o
 obj-$(CONFIG_BLK_DEV_IDE_TX4939)	+= tx4939ide.o
-obj-$(CONFIG_BLK_DEV_IDE_AT91)		+= at91_ide.o
diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c
deleted file mode 100644
index 41d415529479..000000000000
--- a/drivers/ide/at91_ide.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- * IDE host driver for AT91 (SAM9, CAP9, AT572D940HF) Static Memory Controller
- * with Compact Flash True IDE logic
- *
- * Copyright (c) 2008, 2009 Kelvatek Ltd.
- *
- *  This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/ide.h>
-#include <linux/platform_device.h>
-
-#include <mach/board.h>
-#include <asm/gpio.h>
-#include <mach/at91sam9_smc.h>
-
-#define DRV_NAME "at91_ide"
-
-#define perr(fmt, args...) pr_err(DRV_NAME ": " fmt, ##args)
-#define pdbg(fmt, args...) pr_debug("%s " fmt, __func__, ##args)
-
-/*
- * Access to IDE device is possible through EBI Static Memory Controller
- * with Compact Flash logic. For details see EBI and SMC datasheet sections
- * of any microcontroller from AT91SAM9 family.
- *
- * Within SMC chip select address space, lines A[23:21] distinguish Compact
- * Flash modes (I/O, common memory, attribute memory, True IDE). IDE modes are:
- *   0x00c0000 - True IDE
- *   0x00e0000 - Alternate True IDE (Alt Status Register)
- *
- * On True IDE mode Task File and Data Register are mapped at the same address.
- * To distinguish access between these two different bus data width is used:
- * 8Bit for Task File, 16Bit for Data I/O.
- *
- * After initialization we do 8/16 bit flipping (changes in SMC MODE register)
- * only inside IDE callback routines which are serialized by IDE layer,
- * so no additional locking needed.
- */
-
-#define TASK_FILE	0x00c00000
-#define ALT_MODE	0x00e00000
-#define REGS_SIZE	8
-
-#define enter_16bit(cs, mode) do {					\
-	mode = at91_sys_read(AT91_SMC_MODE(cs));			\
-	at91_sys_write(AT91_SMC_MODE(cs), mode | AT91_SMC_DBW_16);	\
-} while (0)
-
-#define leave_16bit(cs, mode) at91_sys_write(AT91_SMC_MODE(cs), mode);
-
-static void set_smc_timings(const u8 chipselect, const u16 cycle,
-			    const u16 setup, const u16 pulse,
-			    const u16 data_float, int use_iordy)
-{
-	unsigned long mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
-			     AT91_SMC_BAT_SELECT;
-
-	/* disable or enable waiting for IORDY signal */
-	if (use_iordy)
-		mode |= AT91_SMC_EXNWMODE_READY;
-
-	/* add data float cycles if needed */
-	if (data_float)
-		mode |= AT91_SMC_TDF_(data_float);
-
-	at91_sys_write(AT91_SMC_MODE(chipselect), mode);
-
-	/* setup timings in SMC */
-	at91_sys_write(AT91_SMC_SETUP(chipselect), AT91_SMC_NWESETUP_(setup) |
-						   AT91_SMC_NCS_WRSETUP_(0) |
-						   AT91_SMC_NRDSETUP_(setup) |
-						   AT91_SMC_NCS_RDSETUP_(0));
-	at91_sys_write(AT91_SMC_PULSE(chipselect), AT91_SMC_NWEPULSE_(pulse) |
-						   AT91_SMC_NCS_WRPULSE_(cycle) |
-						   AT91_SMC_NRDPULSE_(pulse) |
-						   AT91_SMC_NCS_RDPULSE_(cycle));
-	at91_sys_write(AT91_SMC_CYCLE(chipselect), AT91_SMC_NWECYCLE_(cycle) |
-						   AT91_SMC_NRDCYCLE_(cycle));
-}
-
-static unsigned int calc_mck_cycles(unsigned int ns, unsigned int mck_hz)
-{
-	u64 tmp = ns;
-
-	tmp *= mck_hz;
-	tmp += 1000*1000*1000 - 1; /* round up */
-	do_div(tmp, 1000*1000*1000);
-	return (unsigned int) tmp;
-}
-
-static void apply_timings(const u8 chipselect, const u8 pio,
-			  const struct ide_timing *timing, int use_iordy)
-{
-	unsigned int t0, t1, t2, t6z;
-	unsigned int cycle, setup, pulse, data_float;
-	unsigned int mck_hz;
-	struct clk *mck;
-
-	/* see table 22 of Compact Flash standard 4.1 for the meaning,
-	 * we do not stretch active (t2) time, so setup (t1) + hold time (th)
-	 * assure at least minimal recovery (t2i) time */
-	t0 = timing->cyc8b;
-	t1 = timing->setup;
-	t2 = timing->act8b;
-	t6z = (pio < 5) ? 30 : 20;
-
-	pdbg("t0=%u t1=%u t2=%u t6z=%u\n", t0, t1, t2, t6z);
-
-	mck = clk_get(NULL, "mck");
-	BUG_ON(IS_ERR(mck));
-	mck_hz = clk_get_rate(mck);
-	pdbg("mck_hz=%u\n", mck_hz);
-
-	cycle = calc_mck_cycles(t0, mck_hz);
-	setup = calc_mck_cycles(t1, mck_hz);
-	pulse = calc_mck_cycles(t2, mck_hz);
-	data_float = calc_mck_cycles(t6z, mck_hz);
-
-	pdbg("cycle=%u setup=%u pulse=%u data_float=%u\n",
-	     cycle, setup, pulse, data_float);
-
-	set_smc_timings(chipselect, cycle, setup, pulse, data_float, use_iordy);
-}
-
-static void at91_ide_input_data(ide_drive_t *drive, struct ide_cmd *cmd,
-				void *buf, unsigned int len)
-{
-	ide_hwif_t *hwif = drive->hwif;
-	struct ide_io_ports *io_ports = &hwif->io_ports;
-	u8 chipselect = hwif->select_data;
-	unsigned long mode;
-
-	pdbg("cs %u buf %p len %d\n", chipselect, buf, len);
-
-	len++;
-
-	enter_16bit(chipselect, mode);
-	readsw((void __iomem *)io_ports->data_addr, buf, len / 2);
-	leave_16bit(chipselect, mode);
-}
-
-static void at91_ide_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
-				 void *buf, unsigned int len)
-{
-	ide_hwif_t *hwif = drive->hwif;
-	struct ide_io_ports *io_ports = &hwif->io_ports;
-	u8 chipselect = hwif->select_data;
-	unsigned long mode;
-
-	pdbg("cs %u buf %p len %d\n", chipselect,  buf, len);
-
-	enter_16bit(chipselect, mode);
-	writesw((void __iomem *)io_ports->data_addr, buf, len / 2);
-	leave_16bit(chipselect, mode);
-}
-
-static void at91_ide_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
-{
-	struct ide_timing *timing;
-	u8 chipselect = hwif->select_data;
-	int use_iordy = 0;
-	const u8 pio = drive->pio_mode - XFER_PIO_0;
-
-	pdbg("chipselect %u pio %u\n", chipselect, pio);
-
-	timing = ide_timing_find_mode(XFER_PIO_0 + pio);
-	BUG_ON(!timing);
-
-	if (ide_pio_need_iordy(drive, pio))
-		use_iordy = 1;
-
-	apply_timings(chipselect, pio, timing, use_iordy);
-}
-
-static const struct ide_tp_ops at91_ide_tp_ops = {
-	.exec_command	= ide_exec_command,
-	.read_status	= ide_read_status,
-	.read_altstatus	= ide_read_altstatus,
-	.write_devctl	= ide_write_devctl,
-
-	.dev_select	= ide_dev_select,
-	.tf_load	= ide_tf_load,
-	.tf_read	= ide_tf_read,
-
-	.input_data	= at91_ide_input_data,
-	.output_data	= at91_ide_output_data,
-};
-
-static const struct ide_port_ops at91_ide_port_ops = {
-	.set_pio_mode	= at91_ide_set_pio_mode,
-};
-
-static const struct ide_port_info at91_ide_port_info __initdata = {
-	.port_ops	= &at91_ide_port_ops,
-	.tp_ops		= &at91_ide_tp_ops,
-	.host_flags 	= IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA | IDE_HFLAG_SINGLE |
-			  IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_UNMASK_IRQS,
-	.pio_mask 	= ATA_PIO6,
-	.chipset	= ide_generic,
-};
-
-/*
- * If interrupt is delivered through GPIO, IRQ are triggered on falling
- * and rising edge of signal. Whereas IDE device request interrupt on high
- * level (rising edge in our case). This mean we have fake interrupts, so
- * we need to check interrupt pin and exit instantly from ISR when line
- * is on low level.
- */
-
-irqreturn_t at91_irq_handler(int irq, void *dev_id)
-{
-	int ntries = 8;
-	int pin_val1, pin_val2;
-
-	/* additional deglitch, line can be noisy in badly designed PCB */
-	do {
-		pin_val1 = at91_get_gpio_value(irq);
-		pin_val2 = at91_get_gpio_value(irq);
-	} while (pin_val1 != pin_val2 && --ntries > 0);
-
-	if (pin_val1 == 0 || ntries <= 0)
-		return IRQ_HANDLED;
-
-	return ide_intr(irq, dev_id);
-}
-
-static int __init at91_ide_probe(struct platform_device *pdev)
-{
-	int ret;
-	struct ide_hw hw, *hws[] = { &hw };
-	struct ide_host *host;
-	struct resource *res;
-	unsigned long tf_base = 0, ctl_base = 0;
-	struct at91_cf_data *board = pdev->dev.platform_data;
-
-	if (!board)
-		return -ENODEV;
-
-	if (board->det_pin && at91_get_gpio_value(board->det_pin) != 0) {
-		perr("no device detected\n");
-		return -ENODEV;
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		perr("can't get memory resource\n");
-		return -ENODEV;
-	}
-
-	if (!devm_request_mem_region(&pdev->dev, res->start + TASK_FILE,
-				     REGS_SIZE, "ide") ||
-	    !devm_request_mem_region(&pdev->dev, res->start + ALT_MODE,
-				     REGS_SIZE, "alt")) {
-		perr("memory resources in use\n");
-		return -EBUSY;
-	}
-
-	pdbg("chipselect %u irq %u res %08lx\n", board->chipselect,
-	     board->irq_pin, (unsigned long) res->start);
-
-	tf_base = (unsigned long) devm_ioremap(&pdev->dev, res->start + TASK_FILE,
-					       REGS_SIZE);
-	ctl_base = (unsigned long) devm_ioremap(&pdev->dev, res->start + ALT_MODE,
-						REGS_SIZE);
-	if (!tf_base || !ctl_base) {
-		perr("can't map memory regions\n");
-		return -EBUSY;
-	}
-
-	memset(&hw, 0, sizeof(hw));
-
-	if (board->flags & AT91_IDE_SWAP_A0_A2) {
-		/* workaround for stupid hardware bug */
-		hw.io_ports.data_addr	= tf_base + 0;
-		hw.io_ports.error_addr	= tf_base + 4;
-		hw.io_ports.nsect_addr	= tf_base + 2;
-		hw.io_ports.lbal_addr	= tf_base + 6;
-		hw.io_ports.lbam_addr	= tf_base + 1;
-		hw.io_ports.lbah_addr	= tf_base + 5;
-		hw.io_ports.device_addr = tf_base + 3;
-		hw.io_ports.command_addr = tf_base + 7;
-		hw.io_ports.ctl_addr	= ctl_base + 3;
-	} else
-		ide_std_init_ports(&hw, tf_base, ctl_base + 6);
-
-	hw.irq = board->irq_pin;
-	hw.dev = &pdev->dev;
-
-	host = ide_host_alloc(&at91_ide_port_info, hws, 1);
-	if (!host) {
-		perr("failed to allocate ide host\n");
-		return -ENOMEM;
-	}
-
-	/* setup Static Memory Controller - PIO 0 as default */
-	apply_timings(board->chipselect, 0, ide_timing_find_mode(XFER_PIO_0), 0);
-
-	/* with GPIO interrupt we have to do quirks in handler */
-	if (gpio_is_valid(board->irq_pin))
-		host->irq_handler = at91_irq_handler;
-
-	host->ports[0]->select_data = board->chipselect;
-
-	ret = ide_host_register(host, &at91_ide_port_info, hws);
-	if (ret) {
-		perr("failed to register ide host\n");
-		goto err_free_host;
-	}
-	platform_set_drvdata(pdev, host);
-	return 0;
-
-err_free_host:
-	ide_host_free(host);
-	return ret;
-}
-
-static int __exit at91_ide_remove(struct platform_device *pdev)
-{
-	struct ide_host *host = platform_get_drvdata(pdev);
-
-	ide_host_remove(host);
-	return 0;
-}
-
-static struct platform_driver at91_ide_driver = {
-	.driver	= {
-		.name = DRV_NAME,
-		.owner = THIS_MODULE,
-	},
-	.remove	= __exit_p(at91_ide_remove),
-};
-
-static int __init at91_ide_init(void)
-{
-	return platform_driver_probe(&at91_ide_driver, at91_ide_probe);
-}
-
-static void __exit at91_ide_exit(void)
-{
-	platform_driver_unregister(&at91_ide_driver);
-}
-
-module_init(at91_ide_init);
-module_exit(at91_ide_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Stanislaw Gruszka <stf_xl@wp.pl>");
-
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index b3cc1e062b17..86df632ea612 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -44,6 +44,7 @@
 #include <linux/mutex.h>
 
 #include <net/neighbour.h>
+#include <net/sch_generic.h>
 
 #include <linux/atomic.h>
 
@@ -117,8 +118,9 @@ struct ipoib_header {
 	u16	reserved;
 };
 
-struct ipoib_pseudoheader {
-	u8  hwaddr[INFINIBAND_ALEN];
+struct ipoib_cb {
+	struct qdisc_skb_cb	qdisc_cb;
+	u8			hwaddr[INFINIBAND_ALEN];
 };
 
 /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 3514ca05deea..3974c290b667 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -653,7 +653,7 @@ static void ipoib_path_lookup(struct sk_buff *skb, struct neighbour *n, struct n
 }
 
 static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
-			     struct ipoib_pseudoheader *phdr)
+			     struct ipoib_cb *cb)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 	struct ipoib_path *path;
@@ -661,17 +661,15 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-	path = __path_find(dev, phdr->hwaddr + 4);
+	path = __path_find(dev, cb->hwaddr + 4);
 	if (!path || !path->valid) {
 		int new_path = 0;
 
 		if (!path) {
-			path = path_rec_create(dev, phdr->hwaddr + 4);
+			path = path_rec_create(dev, cb->hwaddr + 4);
 			new_path = 1;
 		}
 		if (path) {
-			/* put pseudoheader back on for next time */
-			skb_push(skb, sizeof *phdr);
 			__skb_queue_tail(&path->queue, skb);
 
 			if (!path->query && path_rec_start(dev, path)) {
@@ -695,12 +693,10 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
 			  be16_to_cpu(path->pathrec.dlid));
 
 		spin_unlock_irqrestore(&priv->lock, flags);
-		ipoib_send(dev, skb, path->ah, IPOIB_QPN(phdr->hwaddr));
+		ipoib_send(dev, skb, path->ah, IPOIB_QPN(cb->hwaddr));
 		return;
 	} else if ((path->query || !path_rec_start(dev, path)) &&
 		   skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
-		/* put pseudoheader back on for next time */
-		skb_push(skb, sizeof *phdr);
 		__skb_queue_tail(&path->queue, skb);
 	} else {
 		++dev->stats.tx_dropped;
@@ -774,16 +770,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			dev_kfree_skb_any(skb);
 		}
 	} else {
-		struct ipoib_pseudoheader *phdr =
-			(struct ipoib_pseudoheader *) skb->data;
-		skb_pull(skb, sizeof *phdr);
+		struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb;
 
-		if (phdr->hwaddr[4] == 0xff) {
+		if (cb->hwaddr[4] == 0xff) {
 			/* Add in the P_Key for multicast*/
-			phdr->hwaddr[8] = (priv->pkey >> 8) & 0xff;
-			phdr->hwaddr[9] = priv->pkey & 0xff;
+			cb->hwaddr[8] = (priv->pkey >> 8) & 0xff;
+			cb->hwaddr[9] = priv->pkey & 0xff;
 
-			ipoib_mcast_send(dev, phdr->hwaddr + 4, skb);
+			ipoib_mcast_send(dev, cb->hwaddr + 4, skb);
 		} else {
 			/* unicast GID -- should be ARP or RARP reply */
 
@@ -792,14 +786,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
 				ipoib_warn(priv, "Unicast, no %s: type %04x, QPN %06x %pI6\n",
 					   skb_dst(skb) ? "neigh" : "dst",
 					   be16_to_cpup((__be16 *) skb->data),
-					   IPOIB_QPN(phdr->hwaddr),
-					   phdr->hwaddr + 4);
+					   IPOIB_QPN(cb->hwaddr),
+					   cb->hwaddr + 4);
 				dev_kfree_skb_any(skb);
 				++dev->stats.tx_dropped;
 				goto unlock;
 			}
 
-			unicast_arp_send(skb, dev, phdr);
+			unicast_arp_send(skb, dev, cb);
 		}
 	}
 unlock:
@@ -825,8 +819,6 @@ static int ipoib_hard_header(struct sk_buff *skb,
 			     const void *daddr, const void *saddr, unsigned len)
 {
 	struct ipoib_header *header;
-	struct dst_entry *dst;
-	struct neighbour *n;
 
 	header = (struct ipoib_header *) skb_push(skb, sizeof *header);
 
@@ -834,18 +826,13 @@ static int ipoib_hard_header(struct sk_buff *skb,
 	header->reserved = 0;
 
 	/*
-	 * If we don't have a neighbour structure, stuff the
-	 * destination address onto the front of the skb so we can
-	 * figure out where to send the packet later.
+	 * If we don't have a dst_entry structure, stuff the
+	 * destination address into skb->cb so we can figure out where
+	 * to send the packet later.
 	 */
-	dst = skb_dst(skb);
-	n = NULL;
-	if (dst)
-		n = dst_get_neighbour_noref_raw(dst);
-	if ((!dst || !n) && daddr) {
-		struct ipoib_pseudoheader *phdr =
-			(struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr);
-		memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN);
+	if (!skb_dst(skb)) {
+		struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb;
+		memcpy(cb->hwaddr, daddr, INFINIBAND_ALEN);
 	}
 
 	return 0;
@@ -1021,11 +1008,7 @@ static void ipoib_setup(struct net_device *dev)
 
 	dev->flags		|= IFF_BROADCAST | IFF_MULTICAST;
 
-	/*
-	 * We add in INFINIBAND_ALEN to allow for the destination
-	 * address "pseudoheader" for skbs without neighbour struct.
-	 */
-	dev->hard_header_len	 = IPOIB_ENCAP_LEN + INFINIBAND_ALEN;
+	dev->hard_header_len	 = IPOIB_ENCAP_LEN;
 	dev->addr_len		 = INFINIBAND_ALEN;
 	dev->type		 = ARPHRD_INFINIBAND;
 	dev->tx_queue_len	 = ipoib_sendq_size * 2;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index f7ff9dd66cda..20ebc6fd1bb9 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -262,21 +262,13 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 	netif_tx_lock_bh(dev);
 	while (!skb_queue_empty(&mcast->pkt_queue)) {
 		struct sk_buff *skb = skb_dequeue(&mcast->pkt_queue);
-		struct dst_entry *dst = skb_dst(skb);
-		struct neighbour *n = NULL;
 
 		netif_tx_unlock_bh(dev);
 
 		skb->dev = dev;
-		if (dst)
-			n = dst_get_neighbour_noref_raw(dst);
-		if (!dst || !n) {
-			/* put pseudoheader back on for next time */
-			skb_push(skb, sizeof (struct ipoib_pseudoheader));
-		}
-
 		if (dev_queue_xmit(skb))
 			ipoib_warn(priv, "dev_queue_xmit failed to requeue packet\n");
+
 		netif_tx_lock_bh(dev);
 	}
 	netif_tx_unlock_bh(dev);
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index cd5d05e22a77..2b73d43cd691 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -69,8 +69,8 @@ MODULE_LICENSE("Dual BSD/GPL");
  */
 
 static u64 srpt_service_guid;
-static spinlock_t srpt_dev_lock;       /* Protects srpt_dev_list. */
-static struct list_head srpt_dev_list; /* List of srpt_device structures. */
+static DEFINE_SPINLOCK(srpt_dev_lock);	/* Protects srpt_dev_list. */
+static LIST_HEAD(srpt_dev_list);	/* List of srpt_device structures. */
 
 static unsigned srp_max_req_size = DEFAULT_MAX_REQ_SIZE;
 module_param(srp_max_req_size, int, 0444);
@@ -687,6 +687,7 @@ err:
 	while (--i >= 0)
 		srpt_free_ioctx(sdev, ring[i], dma_size, dir);
 	kfree(ring);
+	ring = NULL;
 out:
 	return ring;
 }
@@ -2595,7 +2596,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
 	}
 
 	ch->sess = transport_init_session();
-	if (!ch->sess) {
+	if (IS_ERR(ch->sess)) {
 		rej->reason = __constant_cpu_to_be32(
 				SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
 		pr_debug("Failed to create session\n");
@@ -3264,8 +3265,7 @@ static void srpt_add_one(struct ib_device *device)
 	for (i = 0; i < sdev->srq_size; ++i)
 		srpt_post_recv(sdev, sdev->ioctx_ring[i]);
 
-	WARN_ON(sdev->device->phys_port_cnt
-		> sizeof(sdev->port)/sizeof(sdev->port[0]));
+	WARN_ON(sdev->device->phys_port_cnt > ARRAY_SIZE(sdev->port));
 
 	for (i = 1; i <= sdev->device->phys_port_cnt; i++) {
 		sport = &sdev->port[i - 1];
@@ -4010,13 +4010,10 @@ static int __init srpt_init_module(void)
 		goto out;
 	}
 
-	spin_lock_init(&srpt_dev_lock);
-	INIT_LIST_HEAD(&srpt_dev_list);
-
-	ret = -ENODEV;
 	srpt_target = target_fabric_configfs_init(THIS_MODULE, "srpt");
-	if (!srpt_target) {
+	if (IS_ERR(srpt_target)) {
 		printk(KERN_ERR "couldn't register\n");
+		ret = PTR_ERR(srpt_target);
 		goto out;
 	}
 
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h
index b4b4bbcd7f16..61e52b830816 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.h
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.h
@@ -35,7 +35,6 @@
 #ifndef IB_SRPT_H
 #define IB_SRPT_H
 
-#include <linux/version.h>
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/wait.h>
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 76457d50bc34..7df5bfef2624 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -332,7 +332,7 @@ static ssize_t evdev_write(struct file *file, const char __user *buffer,
 	struct evdev_client *client = file->private_data;
 	struct evdev *evdev = client->evdev;
 	struct input_event event;
-	int retval;
+	int retval = 0;
 
 	if (count < input_event_size())
 		return -EINVAL;
@@ -386,7 +386,7 @@ static ssize_t evdev_read(struct file *file, char __user *buffer,
 	struct evdev_client *client = file->private_data;
 	struct evdev *evdev = client->evdev;
 	struct input_event event;
-	int retval;
+	int retval = 0;
 
 	if (count < input_event_size())
 		return -EINVAL;
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index a588578037eb..67bec14e8b96 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -34,7 +34,6 @@
 #include <linux/i2c/twl.h>
 #include <linux/slab.h>
 
-
 /*
  * The TWL4030 family chips include a keypad controller that supports
  * up to an 8x8 switch matrix.  The controller can issue system wakeup
@@ -302,7 +301,7 @@ static int __devinit twl4030_kp_program(struct twl4030_keypad *kp)
 	if (twl4030_kpwrite_u8(kp, i, KEYP_DEB) < 0)
 		return -EIO;
 
-	/* Set timeout period to 100 ms */
+	/* Set timeout period to 200 ms */
 	i = KEYP_PERIOD_US(200000, PTV_PRESCALER);
 	if (twl4030_kpwrite_u8(kp, (i & 0xFF), KEYP_TIMEOUT_L) < 0)
 		return -EIO;
@@ -466,4 +465,3 @@ MODULE_AUTHOR("Texas Instruments");
 MODULE_DESCRIPTION("TWL4030 Keypad Driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:twl4030_keypad");
-
diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c
index 37651373a95b..f3bc4189a7ba 100644
--- a/drivers/input/misc/twl4030-vibra.c
+++ b/drivers/input/misc/twl4030-vibra.c
@@ -172,7 +172,7 @@ static void twl4030_vibra_close(struct input_dev *input)
 }
 
 /*** Module ***/
-#if CONFIG_PM
+#if CONFIG_PM_SLEEP
 static int twl4030_vibra_suspend(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
@@ -189,10 +189,10 @@ static int twl4030_vibra_resume(struct device *dev)
 	vibra_disable_leds();
 	return 0;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(twl4030_vibra_pm_ops,
 			 twl4030_vibra_suspend, twl4030_vibra_resume);
-#endif
 
 static int __devinit twl4030_vibra_probe(struct platform_device *pdev)
 {
@@ -273,9 +273,7 @@ static struct platform_driver twl4030_vibra_driver = {
 	.driver		= {
 		.name	= "twl4030-vibra",
 		.owner	= THIS_MODULE,
-#ifdef CONFIG_PM
 		.pm	= &twl4030_vibra_pm_ops,
-#endif
 	},
 };
 module_platform_driver(twl4030_vibra_driver);
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index bd87380bd879..4c6a72d3d48c 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -952,7 +952,9 @@ static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int
 
 	/*
 	 * First try "E6 report".
-	 * ALPS should return 0,0,10 or 0,0,100
+	 * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed.
+	 * The bits 0-2 of the first byte will be 1s if some buttons are
+	 * pressed.
 	 */
 	param[0] = 0;
 	if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) ||
@@ -968,7 +970,8 @@ static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int
 	psmouse_dbg(psmouse, "E6 report: %2.2x %2.2x %2.2x",
 		    param[0], param[1], param[2]);
 
-	if (param[0] != 0 || param[1] != 0 || (param[2] != 10 && param[2] != 100))
+	if ((param[0] & 0xf8) != 0 || param[1] != 0 ||
+	    (param[2] != 10 && param[2] != 100))
 		return NULL;
 
 	/*
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index b4cfc6c8be89..5ec774d6c82b 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -512,6 +512,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
 		},
 	},
+	{
+		/* Lenovo Ideapad U455 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index 8250299fd64f..4494233d331a 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -164,7 +164,8 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer,
 	struct serio_raw_client *client = file->private_data;
 	struct serio_raw *serio_raw = client->serio_raw;
 	char uninitialized_var(c);
-	ssize_t retval = 0;
+	ssize_t read = 0;
+	int retval;
 
 	if (serio_raw->dead)
 		return -ENODEV;
@@ -180,13 +181,15 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer,
 	if (serio_raw->dead)
 		return -ENODEV;
 
-	while (retval < count && serio_raw_fetch_byte(serio_raw, &c)) {
-		if (put_user(c, buffer++))
-			return -EFAULT;
-		retval++;
+	while (read < count && serio_raw_fetch_byte(serio_raw, &c)) {
+		if (put_user(c, buffer++)) {
+			retval = -EFAULT;
+			break;
+		}
+		read++;
 	}
 
-	return retval;
+	return read ?: retval;
 }
 
 static ssize_t serio_raw_write(struct file *file, const char __user *buffer,
diff --git a/drivers/input/tablet/Kconfig b/drivers/input/tablet/Kconfig
index 58a87755b936..e53f4081a586 100644
--- a/drivers/input/tablet/Kconfig
+++ b/drivers/input/tablet/Kconfig
@@ -77,6 +77,8 @@ config TABLET_USB_WACOM
 	tristate "Wacom Intuos/Graphire tablet support (USB)"
 	depends on USB_ARCH_HAS_HCD
 	select USB
+	select NEW_LEDS
+	select LEDS_CLASS
 	help
 	  Say Y here if you want to use the USB version of the Wacom Intuos
 	  or Graphire tablet.  Make sure to say Y to "Mouse support"
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 88672ec296c1..cd3ed29e0801 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -926,7 +926,7 @@ static int wacom_bpt3_touch(struct wacom_wac *wacom)
 {
 	struct input_dev *input = wacom->input;
 	unsigned char *data = wacom->data;
-	int count = data[1] & 0x03;
+	int count = data[1] & 0x07;
 	int i;
 
 	if (data[0] != 0x02)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index cce1f03b8895..f75e0608be5b 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2863,6 +2863,9 @@ static unsigned device_dma_ops_init(void)
 
 	for_each_pci_dev(pdev) {
 		if (!check_device(&pdev->dev)) {
+
+			iommu_ignore_device(&pdev->dev);
+
 			unhandled += 1;
 			continue;
 		}
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index bdea288dc185..a35e98ad9725 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -275,7 +275,7 @@ static void iommu_set_exclusion_range(struct amd_iommu *iommu)
 }
 
 /* Programs the physical address of the device table into the IOMMU hardware */
-static void __init iommu_set_device_table(struct amd_iommu *iommu)
+static void iommu_set_device_table(struct amd_iommu *iommu)
 {
 	u64 entry;
 
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
index 08a90b88e40d..cee307e86606 100644
--- a/drivers/iommu/msm_iommu.c
+++ b/drivers/iommu/msm_iommu.c
@@ -482,23 +482,19 @@ static size_t msm_iommu_unmap(struct iommu_domain *domain, unsigned long va,
 
 	priv = domain->priv;
 
-	if (!priv) {
-		ret = -ENODEV;
+	if (!priv)
 		goto fail;
-	}
 
 	fl_table = priv->pgtable;
 
 	if (len != SZ_16M && len != SZ_1M &&
 	    len != SZ_64K && len != SZ_4K) {
 		pr_debug("Bad length: %d\n", len);
-		ret = -EINVAL;
 		goto fail;
 	}
 
 	if (!fl_table) {
 		pr_debug("Null page table\n");
-		ret = -EINVAL;
 		goto fail;
 	}
 
@@ -507,7 +503,6 @@ static size_t msm_iommu_unmap(struct iommu_domain *domain, unsigned long va,
 
 	if (*fl_pte == 0) {
 		pr_debug("First level PTE is 0\n");
-		ret = -ENODEV;
 		goto fail;
 	}
 
diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c
index 288da5c1499d..103dbd92e256 100644
--- a/drivers/iommu/omap-iommu-debug.c
+++ b/drivers/iommu/omap-iommu-debug.c
@@ -44,7 +44,8 @@ static ssize_t debug_read_ver(struct file *file, char __user *userbuf,
 static ssize_t debug_read_regs(struct file *file, char __user *userbuf,
 			       size_t count, loff_t *ppos)
 {
-	struct omap_iommu *obj = file->private_data;
+	struct device *dev = file->private_data;
+	struct omap_iommu *obj = dev_to_omap_iommu(dev);
 	char *p, *buf;
 	ssize_t bytes;
 
@@ -67,7 +68,8 @@ static ssize_t debug_read_regs(struct file *file, char __user *userbuf,
 static ssize_t debug_read_tlb(struct file *file, char __user *userbuf,
 			      size_t count, loff_t *ppos)
 {
-	struct omap_iommu *obj = file->private_data;
+	struct device *dev = file->private_data;
+	struct omap_iommu *obj = dev_to_omap_iommu(dev);
 	char *p, *buf;
 	ssize_t bytes, rest;
 
@@ -97,7 +99,8 @@ static ssize_t debug_write_pagetable(struct file *file,
 	struct iotlb_entry e;
 	struct cr_regs cr;
 	int err;
-	struct omap_iommu *obj = file->private_data;
+	struct device *dev = file->private_data;
+	struct omap_iommu *obj = dev_to_omap_iommu(dev);
 	char buf[MAXCOLUMN], *p = buf;
 
 	count = min(count, sizeof(buf));
@@ -184,7 +187,8 @@ out:
 static ssize_t debug_read_pagetable(struct file *file, char __user *userbuf,
 				    size_t count, loff_t *ppos)
 {
-	struct omap_iommu *obj = file->private_data;
+	struct device *dev = file->private_data;
+	struct omap_iommu *obj = dev_to_omap_iommu(dev);
 	char *p, *buf;
 	size_t bytes;
 
@@ -212,7 +216,8 @@ static ssize_t debug_read_pagetable(struct file *file, char __user *userbuf,
 static ssize_t debug_read_mmap(struct file *file, char __user *userbuf,
 			       size_t count, loff_t *ppos)
 {
-	struct omap_iommu *obj = file->private_data;
+	struct device *dev = file->private_data;
+	struct omap_iommu *obj = dev_to_omap_iommu(dev);
 	char *p, *buf;
 	struct iovm_struct *tmp;
 	int uninitialized_var(i);
@@ -254,7 +259,7 @@ static ssize_t debug_read_mmap(struct file *file, char __user *userbuf,
 static ssize_t debug_read_mem(struct file *file, char __user *userbuf,
 			      size_t count, loff_t *ppos)
 {
-	struct omap_iommu *obj = file->private_data;
+	struct device *dev = file->private_data;
 	char *p, *buf;
 	struct iovm_struct *area;
 	ssize_t bytes;
@@ -268,8 +273,8 @@ static ssize_t debug_read_mem(struct file *file, char __user *userbuf,
 
 	mutex_lock(&iommu_debug_lock);
 
-	area = omap_find_iovm_area(obj, (u32)ppos);
-	if (IS_ERR(area)) {
+	area = omap_find_iovm_area(dev, (u32)ppos);
+	if (!area) {
 		bytes = -EINVAL;
 		goto err_out;
 	}
@@ -287,7 +292,7 @@ err_out:
 static ssize_t debug_write_mem(struct file *file, const char __user *userbuf,
 			       size_t count, loff_t *ppos)
 {
-	struct omap_iommu *obj = file->private_data;
+	struct device *dev = file->private_data;
 	struct iovm_struct *area;
 	char *p, *buf;
 
@@ -305,8 +310,8 @@ static ssize_t debug_write_mem(struct file *file, const char __user *userbuf,
 		goto err_out;
 	}
 
-	area = omap_find_iovm_area(obj, (u32)ppos);
-	if (IS_ERR(area)) {
+	area = omap_find_iovm_area(dev, (u32)ppos);
+	if (!area) {
 		count = -EINVAL;
 		goto err_out;
 	}
@@ -350,7 +355,7 @@ DEBUG_FOPS(mem);
 	{								\
 		struct dentry *dent;					\
 		dent = debugfs_create_file(#attr, mode, parent,		\
-					   obj, &debug_##attr##_fops);	\
+					   dev, &debug_##attr##_fops);	\
 		if (!dent)						\
 			return -ENOMEM;					\
 	}
@@ -362,20 +367,29 @@ static int iommu_debug_register(struct device *dev, void *data)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct omap_iommu *obj = platform_get_drvdata(pdev);
+	struct omap_iommu_arch_data *arch_data;
 	struct dentry *d, *parent;
 
 	if (!obj || !obj->dev)
 		return -EINVAL;
 
+	arch_data = kzalloc(sizeof(*arch_data), GFP_KERNEL);
+	if (!arch_data)
+		return -ENOMEM;
+
+	arch_data->iommu_dev = obj;
+
+	dev->archdata.iommu = arch_data;
+
 	d = debugfs_create_dir(obj->name, iommu_debug_root);
 	if (!d)
-		return -ENOMEM;
+		goto nomem;
 	parent = d;
 
 	d = debugfs_create_u8("nr_tlb_entries", 400, parent,
 			      (u8 *)&obj->nr_tlb_entries);
 	if (!d)
-		return -ENOMEM;
+		goto nomem;
 
 	DEBUG_ADD_FILE_RO(ver);
 	DEBUG_ADD_FILE_RO(regs);
@@ -385,6 +399,22 @@ static int iommu_debug_register(struct device *dev, void *data)
 	DEBUG_ADD_FILE(mem);
 
 	return 0;
+
+nomem:
+	kfree(arch_data);
+	return -ENOMEM;
+}
+
+static int iommu_debug_unregister(struct device *dev, void *data)
+{
+	if (!dev->archdata.iommu)
+		return 0;
+
+	kfree(dev->archdata.iommu);
+
+	dev->archdata.iommu = NULL;
+
+	return 0;
 }
 
 static int __init iommu_debug_init(void)
@@ -411,6 +441,7 @@ module_init(iommu_debug_init)
 static void __exit iommu_debugfs_exit(void)
 {
 	debugfs_remove_recursive(iommu_debug_root);
+	omap_foreach_iommu_device(NULL, iommu_debug_unregister);
 }
 module_exit(iommu_debugfs_exit)
 
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index d8edd979d01b..6899dcd02dfa 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1223,7 +1223,8 @@ static int __init omap_iommu_init(void)
 
 	return platform_driver_register(&omap_iommu_driver);
 }
-module_init(omap_iommu_init);
+/* must be ready before omap3isp is probed */
+subsys_initcall(omap_iommu_init);
 
 static void __exit omap_iommu_exit(void)
 {
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 2339d7396b9e..802ab87a78b6 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1901,7 +1901,7 @@ static int isdn_net_header(struct sk_buff *skb, struct net_device *dev,
 {
 	isdn_net_local *lp = netdev_priv(dev);
 	unsigned char *p;
-	ushort len = 0;
+	int len = 0;
 
 	switch (lp->p_encap) {
 		case ISDN_NET_ENCAP_ETHER:
diff --git a/drivers/leds/leds-lm3530.c b/drivers/leds/leds-lm3530.c
index 45e6878d7374..e59c166a0ce2 100644
--- a/drivers/leds/leds-lm3530.c
+++ b/drivers/leds/leds-lm3530.c
@@ -164,8 +164,8 @@ static int lm3530_init_registers(struct lm3530_data *drvdata)
 
 	if (drvdata->mode == LM3530_BL_MODE_ALS) {
 		if (pltfm->als_vmax == 0) {
-			pltfm->als_vmin = als_vmin = 0;
-			pltfm->als_vmin = als_vmax = LM3530_ALS_WINDOW_mV;
+			pltfm->als_vmin = 0;
+			pltfm->als_vmax = LM3530_ALS_WINDOW_mV;
 		}
 
 		als_vmin = pltfm->als_vmin;
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index 75049e765191..b026896206ca 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -710,7 +710,7 @@ static ssize_t adb_read(struct file *file, char __user *buf,
 	req = NULL;
 	spin_lock_irqsave(&state->lock, flags);
 	add_wait_queue(&state->wait_queue, &wait);
-	current->state = TASK_INTERRUPTIBLE;
+	set_current_state(TASK_INTERRUPTIBLE);
 
 	for (;;) {
 		req = state->completed;
@@ -734,7 +734,7 @@ static ssize_t adb_read(struct file *file, char __user *buf,
 		spin_lock_irqsave(&state->lock, flags);
 	}
 
-	current->state = TASK_RUNNING;
+	set_current_state(TASK_RUNNING);
 	remove_wait_queue(&state->wait_queue, &wait);
 	spin_unlock_irqrestore(&state->lock, flags);
 	
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index 9fb18c147825..b280c433e4a0 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -323,7 +323,7 @@ static int flakey_end_io(struct dm_target *ti, struct bio *bio,
 	 * Corrupt successful READs while in down state.
 	 * If flags were specified, only corrupt those that match.
 	 */
-	if (!error && bio_submitted_while_down &&
+	if (fc->corrupt_bio_byte && !error && bio_submitted_while_down &&
 	    (bio_data_dir(bio) == READ) && (fc->corrupt_bio_rw == READ) &&
 	    all_corrupt_bio_flags_match(bio, fc))
 		corrupt_bio_data(bio, fc);
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index ad2eba40e319..ea5dd289fe2a 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -296,6 +296,8 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
 	unsigned offset;
 	unsigned num_bvecs;
 	sector_t remaining = where->count;
+	struct request_queue *q = bdev_get_queue(where->bdev);
+	sector_t discard_sectors;
 
 	/*
 	 * where->count may be zero if rw holds a flush and we need to
@@ -305,9 +307,12 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
 		/*
 		 * Allocate a suitably sized-bio.
 		 */
-		num_bvecs = dm_sector_div_up(remaining,
-					     (PAGE_SIZE >> SECTOR_SHIFT));
-		num_bvecs = min_t(int, bio_get_nr_vecs(where->bdev), num_bvecs);
+		if (rw & REQ_DISCARD)
+			num_bvecs = 1;
+		else
+			num_bvecs = min_t(int, bio_get_nr_vecs(where->bdev),
+					  dm_sector_div_up(remaining, (PAGE_SIZE >> SECTOR_SHIFT)));
+
 		bio = bio_alloc_bioset(GFP_NOIO, num_bvecs, io->client->bios);
 		bio->bi_sector = where->sector + (where->count - remaining);
 		bio->bi_bdev = where->bdev;
@@ -315,10 +320,14 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
 		bio->bi_destructor = dm_bio_destructor;
 		store_io_and_region_in_bio(bio, io, region);
 
-		/*
-		 * Try and add as many pages as possible.
-		 */
-		while (remaining) {
+		if (rw & REQ_DISCARD) {
+			discard_sectors = min_t(sector_t, q->limits.max_discard_sectors, remaining);
+			bio->bi_size = discard_sectors << SECTOR_SHIFT;
+			remaining -= discard_sectors;
+		} else while (remaining) {
+			/*
+			 * Try and add as many pages as possible.
+			 */
 			dp->get_page(dp, &page, &len, &offset);
 			len = min(len, to_bytes(remaining));
 			if (!bio_add_page(bio, page, len, offset))
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 31c2dc25886d..1ce84ed0b765 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1437,7 +1437,7 @@ static int target_message(struct dm_ioctl *param, size_t param_size)
 
 	if (!argc) {
 		DMWARN("Empty message received.");
-		goto out;
+		goto out_argv;
 	}
 
 	table = dm_get_live_table(md);
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index c2907d836e4e..787022c18187 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -56,7 +56,8 @@ struct raid_dev {
 struct raid_set {
 	struct dm_target *ti;
 
-	uint64_t print_flags;
+	uint32_t bitmap_loaded;
+	uint32_t print_flags;
 
 	struct mddev md;
 	struct raid_type *raid_type;
@@ -667,7 +668,14 @@ static int super_load(struct md_rdev *rdev, struct md_rdev *refdev)
 		return ret;
 
 	sb = page_address(rdev->sb_page);
-	if (sb->magic != cpu_to_le32(DM_RAID_MAGIC)) {
+
+	/*
+	 * Two cases that we want to write new superblocks and rebuild:
+	 * 1) New device (no matching magic number)
+	 * 2) Device specified for rebuild (!In_sync w/ offset == 0)
+	 */
+	if ((sb->magic != cpu_to_le32(DM_RAID_MAGIC)) ||
+	    (!test_bit(In_sync, &rdev->flags) && !rdev->recovery_offset)) {
 		super_sync(rdev->mddev, rdev);
 
 		set_bit(FirstUse, &rdev->flags);
@@ -744,11 +752,8 @@ static int super_init_validation(struct mddev *mddev, struct md_rdev *rdev)
 	 */
 	rdev_for_each(r, t, mddev) {
 		if (!test_bit(In_sync, &r->flags)) {
-			if (!test_bit(FirstUse, &r->flags))
-				DMERR("Superblock area of "
-				      "rebuild device %d should have been "
-				      "cleared.", r->raid_disk);
-			set_bit(FirstUse, &r->flags);
+			DMINFO("Device %d specified for rebuild: "
+			       "Clearing superblock", r->raid_disk);
 			rebuilds++;
 		} else if (test_bit(FirstUse, &r->flags))
 			new_devs++;
@@ -970,6 +975,7 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv)
 
 	INIT_WORK(&rs->md.event_work, do_table_event);
 	ti->private = rs;
+	ti->num_flush_requests = 1;
 
 	mutex_lock(&rs->md.reconfig_mutex);
 	ret = md_run(&rs->md);
@@ -1085,7 +1091,7 @@ static int raid_status(struct dm_target *ti, status_type_t type,
 				raid_param_cnt += 2;
 		}
 
-		raid_param_cnt += (hweight64(rs->print_flags & ~DMPF_REBUILD) * 2);
+		raid_param_cnt += (hweight32(rs->print_flags & ~DMPF_REBUILD) * 2);
 		if (rs->print_flags & (DMPF_SYNC | DMPF_NOSYNC))
 			raid_param_cnt--;
 
@@ -1197,7 +1203,12 @@ static void raid_resume(struct dm_target *ti)
 {
 	struct raid_set *rs = ti->private;
 
-	bitmap_load(&rs->md);
+	if (!rs->bitmap_loaded) {
+		bitmap_load(&rs->md);
+		rs->bitmap_loaded = 1;
+	} else
+		md_wakeup_thread(rs->md.thread);
+
 	mddev_resume(&rs->md);
 }
 
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 59c4f0446ffa..237571af77fd 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -385,6 +385,7 @@ static int init_pmd(struct dm_pool_metadata *pmd,
 		data_sm = dm_sm_disk_create(tm, nr_blocks);
 		if (IS_ERR(data_sm)) {
 			DMERR("sm_disk_create failed");
+			dm_tm_unlock(tm, sblock);
 			r = PTR_ERR(data_sm);
 			goto bad;
 		}
@@ -789,6 +790,11 @@ int dm_pool_metadata_close(struct dm_pool_metadata *pmd)
 	return 0;
 }
 
+/*
+ * __open_device: Returns @td corresponding to device with id @dev,
+ * creating it if @create is set and incrementing @td->open_count.
+ * On failure, @td is undefined.
+ */
 static int __open_device(struct dm_pool_metadata *pmd,
 			 dm_thin_id dev, int create,
 			 struct dm_thin_device **td)
@@ -799,10 +805,16 @@ static int __open_device(struct dm_pool_metadata *pmd,
 	struct disk_device_details details_le;
 
 	/*
-	 * Check the device isn't already open.
+	 * If the device is already open, return it.
 	 */
 	list_for_each_entry(td2, &pmd->thin_devices, list)
 		if (td2->id == dev) {
+			/*
+			 * May not create an already-open device.
+			 */
+			if (create)
+				return -EEXIST;
+
 			td2->open_count++;
 			*td = td2;
 			return 0;
@@ -817,6 +829,9 @@ static int __open_device(struct dm_pool_metadata *pmd,
 		if (r != -ENODATA || !create)
 			return r;
 
+		/*
+		 * Create new device.
+		 */
 		changed = 1;
 		details_le.mapped_blocks = 0;
 		details_le.transaction_id = cpu_to_le64(pmd->trans_id);
@@ -882,12 +897,10 @@ static int __create_thin(struct dm_pool_metadata *pmd,
 
 	r = __open_device(pmd, dev, 1, &td);
 	if (r) {
-		__close_device(td);
 		dm_btree_remove(&pmd->tl_info, pmd->root, &key, &pmd->root);
 		dm_btree_del(&pmd->bl_info, dev_root);
 		return r;
 	}
-	td->changed = 1;
 	__close_device(td);
 
 	return r;
@@ -967,14 +980,14 @@ static int __create_snap(struct dm_pool_metadata *pmd,
 		goto bad;
 
 	r = __set_snapshot_details(pmd, td, origin, pmd->time);
+	__close_device(td);
+
 	if (r)
 		goto bad;
 
-	__close_device(td);
 	return 0;
 
 bad:
-	__close_device(td);
 	dm_btree_remove(&pmd->tl_info, pmd->root, &key, &pmd->root);
 	dm_btree_remove(&pmd->details_info, pmd->details_root,
 			&key, &pmd->details_root);
@@ -1211,6 +1224,8 @@ static int __remove(struct dm_thin_device *td, dm_block_t block)
 	if (r)
 		return r;
 
+	td->mapped_blocks--;
+	td->changed = 1;
 	pmd->need_commit = 1;
 
 	return 0;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9417ae2fa0bb..ce88755baf4a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7333,7 +7333,8 @@ void md_do_sync(struct mddev *mddev)
 					printk(KERN_INFO
 					       "md: checkpointing %s of %s.\n",
 					       desc, mdname(mddev));
-					mddev->recovery_cp = mddev->curr_resync;
+					mddev->recovery_cp =
+						mddev->curr_resync_completed;
 				}
 			} else
 				mddev->recovery_cp = MaxSector;
@@ -7351,9 +7352,9 @@ void md_do_sync(struct mddev *mddev)
 			rcu_read_unlock();
 		}
 	}
+ skip:
 	set_bit(MD_CHANGE_DEVS, &mddev->flags);
 
- skip:
 	if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) {
 		/* We completed so min/max setting can be forgotten if used. */
 		if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery))
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index a368db2431a5..a0b225eb4ac4 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -624,7 +624,7 @@ int md_raid1_congested(struct mddev *mddev, int bits)
 		return 1;
 
 	rcu_read_lock();
-	for (i = 0; i < conf->raid_disks; i++) {
+	for (i = 0; i < conf->raid_disks * 2; i++) {
 		struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		if (rdev && !test_bit(Faulty, &rdev->flags)) {
 			struct request_queue *q = bdev_get_queue(rdev->bdev);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 6e8aa213f0d5..58c44d6453a0 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -67,6 +67,7 @@ static int max_queued_requests = 1024;
 
 static void allow_barrier(struct r10conf *conf);
 static void lower_barrier(struct r10conf *conf);
+static int enough(struct r10conf *conf, int ignore);
 
 static void * r10bio_pool_alloc(gfp_t gfp_flags, void *data)
 {
@@ -347,6 +348,19 @@ static void raid10_end_read_request(struct bio *bio, int error)
 		 * wait for the 'master' bio.
 		 */
 		set_bit(R10BIO_Uptodate, &r10_bio->state);
+	} else {
+		/* If all other devices that store this block have
+		 * failed, we want to return the error upwards rather
+		 * than fail the last device.  Here we redefine
+		 * "uptodate" to mean "Don't want to retry"
+		 */
+		unsigned long flags;
+		spin_lock_irqsave(&conf->device_lock, flags);
+		if (!enough(conf, rdev->raid_disk))
+			uptodate = 1;
+		spin_unlock_irqrestore(&conf->device_lock, flags);
+	}
+	if (uptodate) {
 		raid_end_bio_io(r10_bio);
 		rdev_dec_pending(rdev, conf->mddev);
 	} else {
@@ -2052,6 +2066,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
 		       "md/raid10:%s: %s: Failing raid device\n",
 		       mdname(mddev), b);
 		md_error(mddev, conf->mirrors[d].rdev);
+		r10_bio->devs[r10_bio->read_slot].bio = IO_BLOCKED;
 		return;
 	}
 
@@ -2105,8 +2120,11 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
 				    rdev,
 				    r10_bio->devs[r10_bio->read_slot].addr
 				    + sect,
-				    s, 0))
+				    s, 0)) {
 				md_error(mddev, rdev);
+				r10_bio->devs[r10_bio->read_slot].bio
+					= IO_BLOCKED;
+			}
 			break;
 		}
 
@@ -2299,17 +2317,20 @@ static void handle_read_error(struct mddev *mddev, struct r10bio *r10_bio)
 	 * This is all done synchronously while the array is
 	 * frozen.
 	 */
+	bio = r10_bio->devs[slot].bio;
+	bdevname(bio->bi_bdev, b);
+	bio_put(bio);
+	r10_bio->devs[slot].bio = NULL;
+
 	if (mddev->ro == 0) {
 		freeze_array(conf);
 		fix_read_error(conf, mddev, r10_bio);
 		unfreeze_array(conf);
-	}
+	} else
+		r10_bio->devs[slot].bio = IO_BLOCKED;
+
 	rdev_dec_pending(rdev, mddev);
 
-	bio = r10_bio->devs[slot].bio;
-	bdevname(bio->bi_bdev, b);
-	r10_bio->devs[slot].bio =
-		mddev->ro ? IO_BLOCKED : NULL;
 read_more:
 	rdev = read_balance(conf, r10_bio, &max_sectors);
 	if (rdev == NULL) {
@@ -2318,13 +2339,10 @@ read_more:
 		       mdname(mddev), b,
 		       (unsigned long long)r10_bio->sector);
 		raid_end_bio_io(r10_bio);
-		bio_put(bio);
 		return;
 	}
 
 	do_sync = (r10_bio->master_bio->bi_rw & REQ_SYNC);
-	if (bio)
-		bio_put(bio);
 	slot = r10_bio->read_slot;
 	printk_ratelimited(
 		KERN_ERR
@@ -2360,7 +2378,6 @@ read_more:
 			mbio->bi_phys_segments++;
 		spin_unlock_irq(&conf->device_lock);
 		generic_make_request(bio);
-		bio = NULL;
 
 		r10_bio = mempool_alloc(conf->r10bio_pool,
 					GFP_NOIO);
@@ -3243,7 +3260,6 @@ static int run(struct mddev *mddev)
 			disk->rdev = rdev;
 		}
 
-		disk->rdev = rdev;
 		disk_stack_limits(mddev->gendisk, rdev->bdev,
 				  rdev->data_offset << 9);
 		/* as we don't honour merge_bvec_fn, we must never risk
diff --git a/drivers/media/radio/wl128x/Kconfig b/drivers/media/radio/wl128x/Kconfig
index 86b28579f0c7..ea1e6545df36 100644
--- a/drivers/media/radio/wl128x/Kconfig
+++ b/drivers/media/radio/wl128x/Kconfig
@@ -4,8 +4,8 @@
 menu "Texas Instruments WL128x FM driver (ST based)"
 config RADIO_WL128X
 	tristate "Texas Instruments WL128x FM Radio"
-	depends on VIDEO_V4L2 && RFKILL
-	select TI_ST if NET && GPIOLIB
+	depends on VIDEO_V4L2 && RFKILL && GPIOLIB
+	select TI_ST if NET
 	help
 	Choose Y here if you have this FM radio chip.
 
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index 3aeb29a7ce11..7f26fdf2e54e 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -47,7 +47,7 @@
 #define MOD_AUTHOR	"Jarod Wilson <jarod@wilsonet.com>"
 #define MOD_DESC	"Driver for SoundGraph iMON MultiMedia IR/Display"
 #define MOD_NAME	"imon"
-#define MOD_VERSION	"0.9.3"
+#define MOD_VERSION	"0.9.4"
 
 #define DISPLAY_MINOR_BASE	144
 #define DEVICE_NAME	"lcd%d"
@@ -1658,9 +1658,17 @@ static void usb_rx_callback_intf0(struct urb *urb)
 		return;
 
 	ictx = (struct imon_context *)urb->context;
-	if (!ictx || !ictx->dev_present_intf0)
+	if (!ictx)
 		return;
 
+	/*
+	 * if we get a callback before we're done configuring the hardware, we
+	 * can't yet process the data, as there's nowhere to send it, but we
+	 * still need to submit a new rx URB to avoid wedging the hardware
+	 */
+	if (!ictx->dev_present_intf0)
+		goto out;
+
 	switch (urb->status) {
 	case -ENOENT:		/* usbcore unlink successful! */
 		return;
@@ -1678,6 +1686,7 @@ static void usb_rx_callback_intf0(struct urb *urb)
 		break;
 	}
 
+out:
 	usb_submit_urb(ictx->rx_urb_intf0, GFP_ATOMIC);
 }
 
@@ -1690,9 +1699,17 @@ static void usb_rx_callback_intf1(struct urb *urb)
 		return;
 
 	ictx = (struct imon_context *)urb->context;
-	if (!ictx || !ictx->dev_present_intf1)
+	if (!ictx)
 		return;
 
+	/*
+	 * if we get a callback before we're done configuring the hardware, we
+	 * can't yet process the data, as there's nowhere to send it, but we
+	 * still need to submit a new rx URB to avoid wedging the hardware
+	 */
+	if (!ictx->dev_present_intf1)
+		goto out;
+
 	switch (urb->status) {
 	case -ENOENT:		/* usbcore unlink successful! */
 		return;
@@ -1710,6 +1727,7 @@ static void usb_rx_callback_intf1(struct urb *urb)
 		break;
 	}
 
+out:
 	usb_submit_urb(ictx->rx_urb_intf1, GFP_ATOMIC);
 }
 
@@ -2242,7 +2260,7 @@ find_endpoint_failed:
 	mutex_unlock(&ictx->lock);
 	usb_free_urb(rx_urb);
 rx_urb_alloc_failed:
-	dev_err(ictx->dev, "unable to initialize intf0, err %d\n", ret);
+	dev_err(ictx->dev, "unable to initialize intf1, err %d\n", ret);
 
 	return NULL;
 }
diff --git a/drivers/media/video/hdpvr/hdpvr-core.c b/drivers/media/video/hdpvr/hdpvr-core.c
index e5eb56a5b618..6510110f53d0 100644
--- a/drivers/media/video/hdpvr/hdpvr-core.c
+++ b/drivers/media/video/hdpvr/hdpvr-core.c
@@ -154,10 +154,20 @@ static int device_authorization(struct hdpvr_device *dev)
 	}
 #endif
 
+	dev->fw_ver = dev->usbc_buf[1];
+
 	v4l2_info(&dev->v4l2_dev, "firmware version 0x%x dated %s\n",
-			  dev->usbc_buf[1], &dev->usbc_buf[2]);
+			  dev->fw_ver, &dev->usbc_buf[2]);
+
+	if (dev->fw_ver > 0x15) {
+		dev->options.brightness	= 0x80;
+		dev->options.contrast	= 0x40;
+		dev->options.hue	= 0xf;
+		dev->options.saturation	= 0x40;
+		dev->options.sharpness	= 0x80;
+	}
 
-	switch (dev->usbc_buf[1]) {
+	switch (dev->fw_ver) {
 	case HDPVR_FIRMWARE_VERSION:
 		dev->flags &= ~HDPVR_FLAG_AC3_CAP;
 		break;
@@ -169,7 +179,7 @@ static int device_authorization(struct hdpvr_device *dev)
 	default:
 		v4l2_info(&dev->v4l2_dev, "untested firmware, the driver might"
 			  " not work.\n");
-		if (dev->usbc_buf[1] >= HDPVR_FIRMWARE_VERSION_AC3)
+		if (dev->fw_ver >= HDPVR_FIRMWARE_VERSION_AC3)
 			dev->flags |= HDPVR_FLAG_AC3_CAP;
 		else
 			dev->flags &= ~HDPVR_FLAG_AC3_CAP;
@@ -270,6 +280,8 @@ static const struct hdpvr_options hdpvr_default_options = {
 	.bitrate_mode	= HDPVR_CONSTANT,
 	.gop_mode	= HDPVR_SIMPLE_IDR_GOP,
 	.audio_codec	= V4L2_MPEG_AUDIO_ENCODING_AAC,
+	/* original picture controls for firmware version <= 0x15 */
+	/* updated in device_authorization() for newer firmware */
 	.brightness	= 0x86,
 	.contrast	= 0x80,
 	.hue		= 0x80,
diff --git a/drivers/media/video/hdpvr/hdpvr-video.c b/drivers/media/video/hdpvr/hdpvr-video.c
index 087f7c08cb85..11ffe9cc1780 100644
--- a/drivers/media/video/hdpvr/hdpvr-video.c
+++ b/drivers/media/video/hdpvr/hdpvr-video.c
@@ -283,12 +283,13 @@ static int hdpvr_start_streaming(struct hdpvr_device *dev)
 
 		hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
 
+		dev->status = STATUS_STREAMING;
+
 		INIT_WORK(&dev->worker, hdpvr_transmit_buffers);
 		queue_work(dev->workqueue, &dev->worker);
 
 		v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
 			 "streaming started\n");
-		dev->status = STATUS_STREAMING;
 
 		return 0;
 	}
@@ -722,21 +723,39 @@ static const s32 supported_v4l2_ctrls[] = {
 };
 
 static int fill_queryctrl(struct hdpvr_options *opt, struct v4l2_queryctrl *qc,
-			  int ac3)
+			  int ac3, int fw_ver)
 {
 	int err;
 
+	if (fw_ver > 0x15) {
+		switch (qc->id) {
+		case V4L2_CID_BRIGHTNESS:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
+		case V4L2_CID_CONTRAST:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x40);
+		case V4L2_CID_SATURATION:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x40);
+		case V4L2_CID_HUE:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0x1e, 1, 0xf);
+		case V4L2_CID_SHARPNESS:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
+		}
+	} else {
+		switch (qc->id) {
+		case V4L2_CID_BRIGHTNESS:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x86);
+		case V4L2_CID_CONTRAST:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
+		case V4L2_CID_SATURATION:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
+		case V4L2_CID_HUE:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
+		case V4L2_CID_SHARPNESS:
+			return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
+		}
+	}
+
 	switch (qc->id) {
-	case V4L2_CID_BRIGHTNESS:
-		return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x86);
-	case V4L2_CID_CONTRAST:
-		return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
-	case V4L2_CID_SATURATION:
-		return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
-	case V4L2_CID_HUE:
-		return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
-	case V4L2_CID_SHARPNESS:
-		return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
 	case V4L2_CID_MPEG_AUDIO_ENCODING:
 		return v4l2_ctrl_query_fill(
 			qc, V4L2_MPEG_AUDIO_ENCODING_AAC,
@@ -794,7 +813,8 @@ static int vidioc_queryctrl(struct file *file, void *private_data,
 
 		if (qc->id == supported_v4l2_ctrls[i])
 			return fill_queryctrl(&dev->options, qc,
-					      dev->flags & HDPVR_FLAG_AC3_CAP);
+					      dev->flags & HDPVR_FLAG_AC3_CAP,
+					      dev->fw_ver);
 
 		if (qc->id < supported_v4l2_ctrls[i])
 			break;
diff --git a/drivers/media/video/hdpvr/hdpvr.h b/drivers/media/video/hdpvr/hdpvr.h
index d6439db1d18b..fea3c6926997 100644
--- a/drivers/media/video/hdpvr/hdpvr.h
+++ b/drivers/media/video/hdpvr/hdpvr.h
@@ -113,6 +113,7 @@ struct hdpvr_device {
 	/* usb control transfer buffer and lock */
 	struct mutex		usbc_mutex;
 	u8			*usbc_buf;
+	u8			fw_ver;
 };
 
 static inline struct hdpvr_device *to_hdpvr_dev(struct v4l2_device *v4l2_dev)
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index a74a79701d34..eaabc27f0fa2 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -1407,7 +1407,7 @@ static int __ccdc_handle_stopping(struct isp_ccdc_device *ccdc, u32 event)
 static void ccdc_hs_vs_isr(struct isp_ccdc_device *ccdc)
 {
 	struct isp_pipeline *pipe = to_isp_pipeline(&ccdc->subdev.entity);
-	struct video_device *vdev = &ccdc->subdev.devnode;
+	struct video_device *vdev = ccdc->subdev.devnode;
 	struct v4l2_event event;
 
 	memset(&event, 0, sizeof(event));
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index cd13e9f2f5e6..f147395bac9a 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -200,7 +200,7 @@ config MENELAUS
 
 config TWL4030_CORE
 	bool "Texas Instruments TWL4030/TWL5030/TWL6030/TPS659x0 Support"
-	depends on I2C=y && GENERIC_HARDIRQS && IRQ_DOMAIN
+	depends on I2C=y && GENERIC_HARDIRQS
 	help
 	  Say yes here if you have TWL4030 / TWL6030 family chip on your board.
 	  This core driver provides register access and IRQ handling
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 53e2a80f42fa..d295941c9a3d 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -956,11 +956,12 @@ int __devinit ab8500_init(struct ab8500 *ab8500)
 	return ret;
 
 out_freeirq:
-	if (ab8500->irq_base) {
+	if (ab8500->irq_base)
 		free_irq(ab8500->irq, ab8500);
 out_removeirq:
+	if (ab8500->irq_base)
 		ab8500_irq_remove(ab8500);
-	}
+
 	return ret;
 }
 
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 0f5922812bff..411f523d4878 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -123,7 +123,7 @@ static int mfd_add_device(struct device *parent, int id,
 		}
 
 		if (!cell->ignore_resource_conflicts) {
-			ret = acpi_check_resource_conflict(res);
+			ret = acpi_check_resource_conflict(&res[r]);
 			if (ret)
 				goto fail_res;
 		}
diff --git a/drivers/mfd/s5m-core.c b/drivers/mfd/s5m-core.c
index e075c113eec6..caadabeed8e9 100644
--- a/drivers/mfd/s5m-core.c
+++ b/drivers/mfd/s5m-core.c
@@ -105,7 +105,7 @@ static int s5m87xx_i2c_probe(struct i2c_client *i2c,
 	s5m87xx->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
 	i2c_set_clientdata(s5m87xx->rtc, s5m87xx);
 
-	if (pdata->cfg_pmic_irq)
+	if (pdata && pdata->cfg_pmic_irq)
 		pdata->cfg_pmic_irq();
 
 	s5m_irq_init(s5m87xx);
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index 01cf5012a08f..4392f6bca156 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -168,7 +168,7 @@ static int tps65910_i2c_probe(struct i2c_client *i2c,
 		goto err;
 
 	init_data->irq = pmic_plat_data->irq;
-	init_data->irq_base = pmic_plat_data->irq;
+	init_data->irq_base = pmic_plat_data->irq_base;
 
 	tps65910_gpio_init(tps65910, pmic_plat_data->gpio_base);
 
diff --git a/drivers/mfd/tps65912-core.c b/drivers/mfd/tps65912-core.c
index 5fec23a9ac03..74fd8cb5f372 100644
--- a/drivers/mfd/tps65912-core.c
+++ b/drivers/mfd/tps65912-core.c
@@ -151,7 +151,7 @@ int tps65912_device_init(struct tps65912 *tps65912)
 		goto err;
 
 	init_data->irq = pmic_plat_data->irq;
-	init_data->irq_base = pmic_plat_data->irq;
+	init_data->irq_base = pmic_plat_data->irq_base;
 	ret = tps65912_irq_init(tps65912, init_data->irq, init_data);
 	if (ret < 0)
 		goto err;
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index e04e04ddc15e..8ce3959c6919 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -263,7 +263,9 @@ struct twl_client {
 
 static struct twl_client twl_modules[TWL_NUM_SLAVES];
 
+#ifdef CONFIG_IRQ_DOMAIN
 static struct irq_domain domain;
+#endif
 
 /* mapping the module id to slave id and base address */
 struct twl_mapping {
@@ -1226,13 +1228,13 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	pdata->irq_base = status;
 	pdata->irq_end = pdata->irq_base + nr_irqs;
 
+#ifdef CONFIG_IRQ_DOMAIN
 	domain.irq_base = pdata->irq_base;
 	domain.nr_irq = nr_irqs;
-#ifdef CONFIG_OF_IRQ
 	domain.of_node = of_node_get(node);
 	domain.ops = &irq_domain_simple_ops;
-#endif
 	irq_domain_add(&domain);
+#endif
 
 	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) {
 		dev_dbg(&client->dev, "can't talk I2C?\n");
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index d905f5171153..79ca33dfacca 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -124,7 +124,7 @@ static u8 res_config_addrs[] = {
 	[RES_MAIN_REF]	= 0x94,
 };
 
-static int __init twl4030_write_script_byte(u8 address, u8 byte)
+static int __devinit twl4030_write_script_byte(u8 address, u8 byte)
 {
 	int err;
 
@@ -138,7 +138,7 @@ out:
 	return err;
 }
 
-static int __init twl4030_write_script_ins(u8 address, u16 pmb_message,
+static int __devinit twl4030_write_script_ins(u8 address, u16 pmb_message,
 					   u8 delay, u8 next)
 {
 	int err;
@@ -158,7 +158,7 @@ out:
 	return err;
 }
 
-static int __init twl4030_write_script(u8 address, struct twl4030_ins *script,
+static int __devinit twl4030_write_script(u8 address, struct twl4030_ins *script,
 				       int len)
 {
 	int err;
@@ -183,7 +183,7 @@ static int __init twl4030_write_script(u8 address, struct twl4030_ins *script,
 	return err;
 }
 
-static int __init twl4030_config_wakeup3_sequence(u8 address)
+static int __devinit twl4030_config_wakeup3_sequence(u8 address)
 {
 	int err;
 	u8 data;
@@ -208,7 +208,7 @@ out:
 	return err;
 }
 
-static int __init twl4030_config_wakeup12_sequence(u8 address)
+static int __devinit twl4030_config_wakeup12_sequence(u8 address)
 {
 	int err = 0;
 	u8 data;
@@ -262,7 +262,7 @@ out:
 	return err;
 }
 
-static int __init twl4030_config_sleep_sequence(u8 address)
+static int __devinit twl4030_config_sleep_sequence(u8 address)
 {
 	int err;
 
@@ -276,7 +276,7 @@ static int __init twl4030_config_sleep_sequence(u8 address)
 	return err;
 }
 
-static int __init twl4030_config_warmreset_sequence(u8 address)
+static int __devinit twl4030_config_warmreset_sequence(u8 address)
 {
 	int err;
 	u8 rd_data;
@@ -324,7 +324,7 @@ out:
 	return err;
 }
 
-static int __init twl4030_configure_resource(struct twl4030_resconfig *rconfig)
+static int __devinit twl4030_configure_resource(struct twl4030_resconfig *rconfig)
 {
 	int rconfig_addr;
 	int err;
@@ -416,7 +416,7 @@ static int __init twl4030_configure_resource(struct twl4030_resconfig *rconfig)
 	return 0;
 }
 
-static int __init load_twl4030_script(struct twl4030_script *tscript,
+static int __devinit load_twl4030_script(struct twl4030_script *tscript,
 	       u8 address)
 {
 	int err;
@@ -527,7 +527,7 @@ void twl4030_power_off(void)
 		pr_err("TWL4030 Unable to power off\n");
 }
 
-void __init twl4030_power_init(struct twl4030_power_data *twl4030_scripts)
+void __devinit twl4030_power_init(struct twl4030_power_data *twl4030_scripts)
 {
 	int err = 0;
 	int i;
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index dda86293dc9f..b2d8e512d3cb 100644
--- a/drivers/mfd/twl6040-core.c
+++ b/drivers/mfd/twl6040-core.c
@@ -282,6 +282,7 @@ int twl6040_power(struct twl6040 *twl6040, int on)
 		/* Default PLL configuration after power up */
 		twl6040->pll = TWL6040_SYSCLK_SEL_LPPLL;
 		twl6040->sysclk = 19200000;
+		twl6040->mclk = 32768;
 	} else {
 		/* already powered-down */
 		if (!twl6040->power_count) {
@@ -305,6 +306,7 @@ int twl6040_power(struct twl6040 *twl6040, int on)
 			twl6040_power_down(twl6040);
 		}
 		twl6040->sysclk = 0;
+		twl6040->mclk = 0;
 	}
 
 out:
@@ -324,23 +326,38 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id,
 	hppllctl = twl6040_reg_read(twl6040, TWL6040_REG_HPPLLCTL);
 	lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL);
 
+	/* Force full reconfiguration when switching between PLL */
+	if (pll_id != twl6040->pll) {
+		twl6040->sysclk = 0;
+		twl6040->mclk = 0;
+	}
+
 	switch (pll_id) {
 	case TWL6040_SYSCLK_SEL_LPPLL:
 		/* low-power PLL divider */
-		switch (freq_out) {
-		case 17640000:
-			lppllctl |= TWL6040_LPLLFIN;
-			break;
-		case 19200000:
-			lppllctl &= ~TWL6040_LPLLFIN;
-			break;
-		default:
-			dev_err(twl6040->dev,
-				"freq_out %d not supported\n", freq_out);
-			ret = -EINVAL;
-			goto pll_out;
+		/* Change the sysclk configuration only if it has been canged */
+		if (twl6040->sysclk != freq_out) {
+			switch (freq_out) {
+			case 17640000:
+				lppllctl |= TWL6040_LPLLFIN;
+				break;
+			case 19200000:
+				lppllctl &= ~TWL6040_LPLLFIN;
+				break;
+			default:
+				dev_err(twl6040->dev,
+					"freq_out %d not supported\n",
+					freq_out);
+				ret = -EINVAL;
+				goto pll_out;
+			}
+			twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
+					  lppllctl);
 		}
-		twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl);
+
+		/* The PLL in use has not been change, we can exit */
+		if (twl6040->pll == pll_id)
+			break;
 
 		switch (freq_in) {
 		case 32768:
@@ -371,48 +388,56 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id,
 			goto pll_out;
 		}
 
-		hppllctl &= ~TWL6040_MCLK_MSK;
+		if (twl6040->mclk != freq_in) {
+			hppllctl &= ~TWL6040_MCLK_MSK;
+
+			switch (freq_in) {
+			case 12000000:
+				/* PLL enabled, active mode */
+				hppllctl |= TWL6040_MCLK_12000KHZ |
+					    TWL6040_HPLLENA;
+				break;
+			case 19200000:
+				/*
+				* PLL disabled
+				* (enable PLL if MCLK jitter quality
+				*  doesn't meet specification)
+				*/
+				hppllctl |= TWL6040_MCLK_19200KHZ;
+				break;
+			case 26000000:
+				/* PLL enabled, active mode */
+				hppllctl |= TWL6040_MCLK_26000KHZ |
+					    TWL6040_HPLLENA;
+				break;
+			case 38400000:
+				/* PLL enabled, active mode */
+				hppllctl |= TWL6040_MCLK_38400KHZ |
+					    TWL6040_HPLLENA;
+				break;
+			default:
+				dev_err(twl6040->dev,
+					"freq_in %d not supported\n", freq_in);
+				ret = -EINVAL;
+				goto pll_out;
+			}
 
-		switch (freq_in) {
-		case 12000000:
-			/* PLL enabled, active mode */
-			hppllctl |= TWL6040_MCLK_12000KHZ |
-				    TWL6040_HPLLENA;
-			break;
-		case 19200000:
 			/*
-			 * PLL disabled
-			 * (enable PLL if MCLK jitter quality
-			 *  doesn't meet specification)
+			 * enable clock slicer to ensure input waveform is
+			 * square
 			 */
-			hppllctl |= TWL6040_MCLK_19200KHZ;
-			break;
-		case 26000000:
-			/* PLL enabled, active mode */
-			hppllctl |= TWL6040_MCLK_26000KHZ |
-				    TWL6040_HPLLENA;
-			break;
-		case 38400000:
-			/* PLL enabled, active mode */
-			hppllctl |= TWL6040_MCLK_38400KHZ |
-				    TWL6040_HPLLENA;
-			break;
-		default:
-			dev_err(twl6040->dev,
-				"freq_in %d not supported\n", freq_in);
-			ret = -EINVAL;
-			goto pll_out;
-		}
+			hppllctl |= TWL6040_HPLLSQRENA;
 
-		/* enable clock slicer to ensure input waveform is square */
-		hppllctl |= TWL6040_HPLLSQRENA;
-
-		twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL, hppllctl);
-		usleep_range(500, 700);
-		lppllctl |= TWL6040_HPLLSEL;
-		twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl);
-		lppllctl &= ~TWL6040_LPLLENA;
-		twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl);
+			twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL,
+					  hppllctl);
+			usleep_range(500, 700);
+			lppllctl |= TWL6040_HPLLSEL;
+			twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
+					  lppllctl);
+			lppllctl &= ~TWL6040_LPLLENA;
+			twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
+					  lppllctl);
+		}
 		break;
 	default:
 		dev_err(twl6040->dev, "unknown pll id %d\n", pll_id);
@@ -421,6 +446,7 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id,
 	}
 
 	twl6040->sysclk = freq_out;
+	twl6040->mclk = freq_in;
 	twl6040->pll = pll_id;
 
 pll_out:
diff --git a/drivers/mfd/wm8350-irq.c b/drivers/mfd/wm8350-irq.c
index 8a1fafd0bf7d..9fd01bf63c51 100644
--- a/drivers/mfd/wm8350-irq.c
+++ b/drivers/mfd/wm8350-irq.c
@@ -496,7 +496,6 @@ int wm8350_irq_init(struct wm8350 *wm8350, int irq,
 
 	mutex_init(&wm8350->irq_lock);
 	wm8350->chip_irq = irq;
-	wm8350->irq_base = pdata->irq_base;
 
 	if (pdata && pdata->irq_base > 0)
 		irq_base = pdata->irq_base;
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index f117e7fb9321..a04b3c108c8c 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -256,6 +256,20 @@ static int wm8994_suspend(struct device *dev)
 		break;
 	}
 
+	switch (wm8994->type) {
+	case WM1811:
+		ret = wm8994_reg_read(wm8994, WM8994_ANTIPOP_2);
+		if (ret < 0) {
+			dev_err(dev, "Failed to read jackdet: %d\n", ret);
+		} else if (ret & WM1811_JACKDET_MODE_MASK) {
+			dev_dbg(dev, "CODEC still active, ignoring suspend\n");
+			return 0;
+		}
+		break;
+	default:
+		break;
+	}
+
 	/* Disable LDO pulldowns while the device is suspended if we
 	 * don't know that something will be driving them. */
 	if (!wm8994->ldo_ena_always_driven)
diff --git a/drivers/mfd/wm8994-regmap.c b/drivers/mfd/wm8994-regmap.c
index c598ae69b8ff..bc0c5096539a 100644
--- a/drivers/mfd/wm8994-regmap.c
+++ b/drivers/mfd/wm8994-regmap.c
@@ -806,6 +806,7 @@ static bool wm1811_readable_register(struct device *dev, unsigned int reg)
 	case WM8994_DC_SERVO_2:
 	case WM8994_DC_SERVO_READBACK:
 	case WM8994_DC_SERVO_4:
+	case WM8994_DC_SERVO_4E:
 	case WM8994_ANALOGUE_HP_1:
 	case WM8958_MIC_DETECT_1:
 	case WM8958_MIC_DETECT_2:
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 6a1a092db146..c7795096d43b 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -2,24 +2,14 @@
 # Misc strange devices
 #
 
-# This one has to live outside of the MISC_DEVICES conditional,
-# because it may be selected by drivers/platform/x86/hp_accel.
+menu "Misc devices"
+
 config SENSORS_LIS3LV02D
 	tristate
 	depends on INPUT
 	select INPUT_POLLDEV
 	default n
 
-menuconfig MISC_DEVICES
-	bool "Misc devices"
-	---help---
-	  Say Y here to get to see options for device drivers from various
-	  different categories. This option alone does not add any kernel code.
-
-	  If you say N, all options in this submenu will be skipped and disabled.
-
-if MISC_DEVICES
-
 config AD525X_DPOT
 	tristate "Analog Devices Digital Potentiometers"
 	depends on (I2C || SPI) && SYSFS
@@ -516,5 +506,4 @@ source "drivers/misc/ti-st/Kconfig"
 source "drivers/misc/lis3lv02d/Kconfig"
 source "drivers/misc/carma/Kconfig"
 source "drivers/misc/altera-stapl/Kconfig"
-
-endif # MISC_DEVICES
+endmenu
diff --git a/drivers/misc/c2port/c2port-duramar2150.c b/drivers/misc/c2port/c2port-duramar2150.c
index 778fc3fdfb9b..5484301d57d9 100644
--- a/drivers/misc/c2port/c2port-duramar2150.c
+++ b/drivers/misc/c2port/c2port-duramar2150.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/ioport.h>
 #include <linux/c2port.h>
 
 #define DATA_PORT	0x325
diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c
index 19fc7c1cb428..f428d86bfc10 100644
--- a/drivers/misc/c2port/core.c
+++ b/drivers/misc/c2port/core.c
@@ -984,9 +984,9 @@ static int __init c2port_init(void)
 		" - (C) 2007 Rodolfo Giometti\n");
 
 	c2port_class = class_create(THIS_MODULE, "c2port");
-	if (!c2port_class) {
+	if (IS_ERR(c2port_class)) {
 		printk(KERN_ERR "c2port: failed to allocate class\n");
-		return -ENOMEM;
+		return PTR_ERR(c2port_class);
 	}
 	c2port_class->dev_attrs = c2port_attrs;
 
diff --git a/drivers/misc/cb710/core.c b/drivers/misc/cb710/core.c
index 68cd05b6d829..85cc7710193c 100644
--- a/drivers/misc/cb710/core.c
+++ b/drivers/misc/cb710/core.c
@@ -245,6 +245,7 @@ static int __devinit cb710_probe(struct pci_dev *pdev,
 	if (err)
 		return err;
 
+	spin_lock_init(&chip->irq_lock);
 	chip->pdev = pdev;
 	chip->iobase = pcim_iomap_table(pdev)[0];
 
diff --git a/drivers/misc/cs5535-mfgpt.c b/drivers/misc/cs5535-mfgpt.c
index bc685bfc4c33..87a390de054c 100644
--- a/drivers/misc/cs5535-mfgpt.c
+++ b/drivers/misc/cs5535-mfgpt.c
@@ -262,7 +262,7 @@ static void __init reset_all_timers(void)
  * In other cases (such as with VSAless OpenFirmware), the system firmware
  * leaves timers available for us to use.
  */
-static int __init scan_timers(struct cs5535_mfgpt_chip *mfgpt)
+static int __devinit scan_timers(struct cs5535_mfgpt_chip *mfgpt)
 {
 	struct cs5535_mfgpt_timer timer = { .chip = mfgpt };
 	unsigned long flags;
diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index 150cd7061b80..28adefe70f96 100644
--- a/drivers/misc/lkdtm.c
+++ b/drivers/misc/lkdtm.c
@@ -354,6 +354,7 @@ static void lkdtm_do_action(enum ctype which)
 static void lkdtm_handler(void)
 {
 	unsigned long flags;
+	bool do_it = false;
 
 	spin_lock_irqsave(&count_lock, flags);
 	count--;
@@ -361,10 +362,13 @@ static void lkdtm_handler(void)
 			cp_name_to_str(cpoint), cp_type_to_str(cptype), count);
 
 	if (count == 0) {
-		lkdtm_do_action(cptype);
+		do_it = true;
 		count = cpoint_count;
 	}
 	spin_unlock_irqrestore(&count_lock, flags);
+
+	if (do_it)
+		lkdtm_do_action(cptype);
 }
 
 static int lkdtm_register_cpoint(enum cname which)
diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
index cd41d403c9df..cb56e270da11 100644
--- a/drivers/misc/vmw_balloon.c
+++ b/drivers/misc/vmw_balloon.c
@@ -314,7 +314,7 @@ static bool vmballoon_send_get_target(struct vmballoon *b, u32 *new_target)
  * fear that guest will need it. Host may reject some pages, we need to
  * check the return value and maybe submit a different page.
  */
-static bool vmballoon_send_lock_page(struct vmballoon *b, unsigned long pfn,
+static int vmballoon_send_lock_page(struct vmballoon *b, unsigned long pfn,
 				     unsigned int *hv_status)
 {
 	unsigned long status, dummy;
@@ -322,17 +322,17 @@ static bool vmballoon_send_lock_page(struct vmballoon *b, unsigned long pfn,
 
 	pfn32 = (u32)pfn;
 	if (pfn32 != pfn)
-		return false;
+		return -1;
 
 	STATS_INC(b->stats.lock);
 
 	*hv_status = status = VMWARE_BALLOON_CMD(LOCK, pfn, dummy);
 	if (vmballoon_check_status(b, status))
-		return true;
+		return 0;
 
 	pr_debug("%s - ppn %lx, hv returns %ld\n", __func__, pfn, status);
 	STATS_INC(b->stats.lock_fail);
-	return false;
+	return 1;
 }
 
 /*
@@ -411,7 +411,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep)
 	struct page *page;
 	gfp_t flags;
 	unsigned int hv_status;
-	bool locked = false;
+	int locked;
 	flags = can_sleep ? VMW_PAGE_ALLOC_CANSLEEP : VMW_PAGE_ALLOC_NOSLEEP;
 
 	do {
@@ -431,7 +431,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep)
 
 		/* inform monitor */
 		locked = vmballoon_send_lock_page(b, page_to_pfn(page), &hv_status);
-		if (!locked) {
+		if (locked > 0) {
 			STATS_INC(b->stats.refused_alloc);
 
 			if (hv_status == VMW_BALLOON_ERROR_RESET ||
@@ -449,7 +449,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep)
 			if (++b->n_refused_pages >= VMW_BALLOON_MAX_REFUSED)
 				return -EIO;
 		}
-	} while (!locked);
+	} while (locked != 0);
 
 	/* track allocated page */
 	list_add(&page->lru, &b->pages);
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 0cad48a284a8..c6a383d0244d 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1694,6 +1694,7 @@ static int mmc_add_disk(struct mmc_blk_data *md)
 
 		md->power_ro_lock.show = power_ro_lock_show;
 		md->power_ro_lock.store = power_ro_lock_store;
+		sysfs_attr_init(&md->power_ro_lock.attr);
 		md->power_ro_lock.attr.mode = mode;
 		md->power_ro_lock.attr.name =
 					"ro_lock_until_next_power_on";
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index f545a3e6eb80..132378b89d76 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -290,8 +290,11 @@ static void mmc_wait_for_req_done(struct mmc_host *host,
 static void mmc_pre_req(struct mmc_host *host, struct mmc_request *mrq,
 		 bool is_first_req)
 {
-	if (host->ops->pre_req)
+	if (host->ops->pre_req) {
+		mmc_host_clk_hold(host);
 		host->ops->pre_req(host, mrq, is_first_req);
+		mmc_host_clk_release(host);
+	}
 }
 
 /**
@@ -306,8 +309,11 @@ static void mmc_pre_req(struct mmc_host *host, struct mmc_request *mrq,
 static void mmc_post_req(struct mmc_host *host, struct mmc_request *mrq,
 			 int err)
 {
-	if (host->ops->post_req)
+	if (host->ops->post_req) {
+		mmc_host_clk_hold(host);
 		host->ops->post_req(host, mrq, err);
+		mmc_host_clk_release(host);
+	}
 }
 
 /**
@@ -620,7 +626,9 @@ int mmc_host_enable(struct mmc_host *host)
 		int err;
 
 		host->en_dis_recurs = 1;
+		mmc_host_clk_hold(host);
 		err = host->ops->enable(host);
+		mmc_host_clk_release(host);
 		host->en_dis_recurs = 0;
 
 		if (err) {
@@ -640,7 +648,9 @@ static int mmc_host_do_disable(struct mmc_host *host, int lazy)
 		int err;
 
 		host->en_dis_recurs = 1;
+		mmc_host_clk_hold(host);
 		err = host->ops->disable(host, lazy);
+		mmc_host_clk_release(host);
 		host->en_dis_recurs = 0;
 
 		if (err < 0) {
@@ -1121,6 +1131,10 @@ int mmc_regulator_set_ocr(struct mmc_host *mmc,
 		 * might not allow this operation
 		 */
 		voltage = regulator_get_voltage(supply);
+
+		if (mmc->caps2 & MMC_CAP2_BROKEN_VOLTAGE)
+			min_uV = max_uV = voltage;
+
 		if (voltage < 0)
 			result = voltage;
 		else if (voltage < min_uV || voltage > max_uV)
@@ -1203,8 +1217,11 @@ int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage, bool cmd11
 
 	host->ios.signal_voltage = signal_voltage;
 
-	if (host->ops->start_signal_voltage_switch)
+	if (host->ops->start_signal_voltage_switch) {
+		mmc_host_clk_hold(host);
 		err = host->ops->start_signal_voltage_switch(host, &host->ios);
+		mmc_host_clk_release(host);
+	}
 
 	return err;
 }
@@ -1239,6 +1256,7 @@ static void mmc_poweroff_notify(struct mmc_host *host)
 	int err = 0;
 
 	card = host->card;
+	mmc_claim_host(host);
 
 	/*
 	 * Send power notify command only if card
@@ -1269,6 +1287,7 @@ static void mmc_poweroff_notify(struct mmc_host *host)
 		/* Set the card state to no notification after the poweroff */
 		card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
 	}
+	mmc_release_host(host);
 }
 
 /*
@@ -1327,12 +1346,28 @@ static void mmc_power_up(struct mmc_host *host)
 
 void mmc_power_off(struct mmc_host *host)
 {
+	int err = 0;
 	mmc_host_clk_hold(host);
 
 	host->ios.clock = 0;
 	host->ios.vdd = 0;
 
-	mmc_poweroff_notify(host);
+	/*
+	 * For eMMC 4.5 device send AWAKE command before
+	 * POWER_OFF_NOTIFY command, because in sleep state
+	 * eMMC 4.5 devices respond to only RESET and AWAKE cmd
+	 */
+	if (host->card && mmc_card_is_sleep(host->card) &&
+	    host->bus_ops->resume) {
+		err = host->bus_ops->resume(host);
+
+		if (!err)
+			mmc_poweroff_notify(host);
+		else
+			pr_warning("%s: error %d during resume "
+				   "(continue with poweroff sequence)\n",
+				   mmc_hostname(host), err);
+	}
 
 	/*
 	 * Reset ocr mask to be the highest possible voltage supported for
@@ -2033,6 +2068,9 @@ static int mmc_rescan_try_freq(struct mmc_host *host, unsigned freq)
 	 */
 	mmc_hw_reset_for_init(host);
 
+	/* Initialization should be done at 3.3 V I/O voltage. */
+	mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, 0);
+
 	/*
 	 * sdio_reset sends CMD52 to reset card.  Since we do not know
 	 * if the card is being re-initialized, just send it.  CMD52
@@ -2386,12 +2424,6 @@ int mmc_suspend_host(struct mmc_host *host)
 		 */
 		if (mmc_try_claim_host(host)) {
 			if (host->bus_ops->suspend) {
-				/*
-				 * For eMMC 4.5 device send notify command
-				 * before sleep, because in sleep state eMMC 4.5
-				 * devices respond to only RESET and AWAKE cmd
-				 */
-				mmc_poweroff_notify(host);
 				err = host->bus_ops->suspend(host);
 			}
 			mmc_do_release_host(host);
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 30055f2b0d44..c3704e293a7b 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -238,10 +238,10 @@ static inline void mmc_host_clk_init(struct mmc_host *host)
 	/* Hold MCI clock for 8 cycles by default */
 	host->clk_delay = 8;
 	/*
-	 * Default clock gating delay is 200ms.
+	 * Default clock gating delay is 0ms to avoid wasting power.
 	 * This value can be tuned by writing into sysfs entry.
 	 */
-	host->clkgate_delay = 200;
+	host->clkgate_delay = 0;
 	host->clk_gated = false;
 	INIT_DELAYED_WORK(&host->clk_gate_work, mmc_host_clk_gate_work);
 	spin_lock_init(&host->clk_lock);
diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h
index fb8a5cd2e4a1..08a7852ade44 100644
--- a/drivers/mmc/core/host.h
+++ b/drivers/mmc/core/host.h
@@ -14,27 +14,6 @@
 
 int mmc_register_host_class(void);
 void mmc_unregister_host_class(void);
-
-#ifdef CONFIG_MMC_CLKGATE
-void mmc_host_clk_hold(struct mmc_host *host);
-void mmc_host_clk_release(struct mmc_host *host);
-unsigned int mmc_host_clk_rate(struct mmc_host *host);
-
-#else
-static inline void mmc_host_clk_hold(struct mmc_host *host)
-{
-}
-
-static inline void mmc_host_clk_release(struct mmc_host *host)
-{
-}
-
-static inline unsigned int mmc_host_clk_rate(struct mmc_host *host)
-{
-	return host->ios.clock;
-}
-#endif
-
 void mmc_host_deeper_disable(struct work_struct *work);
 
 #endif
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 59b9ba52e66a..2b9ed1401dc4 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -376,7 +376,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 	}
 
 	card->ext_csd.raw_hc_erase_gap_size =
-		ext_csd[EXT_CSD_PARTITION_ATTRIBUTE];
+		ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
 	card->ext_csd.raw_sec_trim_mult =
 		ext_csd[EXT_CSD_SEC_TRIM_MULT];
 	card->ext_csd.raw_sec_erase_mult =
@@ -551,7 +551,7 @@ static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width)
 		goto out;
 
 	/* only compare read only fields */
-	err = (!(card->ext_csd.raw_partition_support ==
+	err = !((card->ext_csd.raw_partition_support ==
 			bw_ext_csd[EXT_CSD_PARTITION_SUPPORT]) &&
 		(card->ext_csd.raw_erased_mem_count ==
 			bw_ext_csd[EXT_CSD_ERASED_MEM_CONT]) &&
@@ -816,6 +816,9 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 	if (!mmc_host_is_spi(host))
 		mmc_set_bus_mode(host, MMC_BUSMODE_OPENDRAIN);
 
+	/* Initialization should be done at 3.3 V I/O voltage. */
+	mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, 0);
+
 	/*
 	 * Since we're changing the OCR value, we seem to
 	 * need to tell some cards to go back to the idle
@@ -1006,7 +1009,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 			err = mmc_select_hs200(card);
 		else if	(host->caps & MMC_CAP_MMC_HIGHSPEED)
 			err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
-					 EXT_CSD_HS_TIMING, 1, 0);
+					 EXT_CSD_HS_TIMING, 1,
+					 card->ext_csd.generic_cmd6_time);
 
 		if (err && err != -EBADMSG)
 			goto free_card;
@@ -1116,7 +1120,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 	 * Activate wide bus and DDR (if supported).
 	 */
 	if (!mmc_card_hs200(card) &&
-	    (card->csd.mmca_vsn >= CSD_SPEC_VER_3) &&
+	    (card->csd.mmca_vsn >= CSD_SPEC_VER_4) &&
 	    (host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA))) {
 		static unsigned ext_csd_bits[][2] = {
 			{ EXT_CSD_BUS_WIDTH_8, EXT_CSD_DDR_BUS_WIDTH_8 },
@@ -1315,11 +1319,13 @@ static int mmc_suspend(struct mmc_host *host)
 	BUG_ON(!host->card);
 
 	mmc_claim_host(host);
-	if (mmc_card_can_sleep(host))
+	if (mmc_card_can_sleep(host)) {
 		err = mmc_card_sleep(host);
-	else if (!mmc_host_is_spi(host))
+		if (!err)
+			mmc_card_set_sleep(host->card);
+	} else if (!mmc_host_is_spi(host))
 		mmc_deselect_cards(host);
-	host->card->state &= ~MMC_STATE_HIGHSPEED;
+	host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200);
 	mmc_release_host(host);
 
 	return err;
@@ -1339,7 +1345,11 @@ static int mmc_resume(struct mmc_host *host)
 	BUG_ON(!host->card);
 
 	mmc_claim_host(host);
-	err = mmc_init_card(host, host->ocr, host->card);
+	if (mmc_card_is_sleep(host->card)) {
+		err = mmc_card_awake(host);
+		mmc_card_clr_sleep(host->card);
+	} else
+		err = mmc_init_card(host, host->ocr, host->card);
 	mmc_release_host(host);
 
 	return err;
@@ -1349,7 +1359,8 @@ static int mmc_power_restore(struct mmc_host *host)
 {
 	int ret;
 
-	host->card->state &= ~MMC_STATE_HIGHSPEED;
+	host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200);
+	mmc_card_clr_sleep(host->card);
 	mmc_claim_host(host);
 	ret = mmc_init_card(host, host->ocr, host->card);
 	mmc_release_host(host);
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index c63ad03c29c7..c272c6868ecf 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -451,9 +451,11 @@ static int sd_select_driver_type(struct mmc_card *card, u8 *status)
 	 * information and let the hardware specific code
 	 * return what is possible given the options
 	 */
+	mmc_host_clk_hold(card->host);
 	drive_strength = card->host->ops->select_drive_strength(
 		card->sw_caps.uhs_max_dtr,
 		host_drv_type, card_drv_type);
+	mmc_host_clk_release(card->host);
 
 	err = mmc_sd_switch(card, 1, 2, drive_strength, status);
 	if (err)
@@ -660,9 +662,12 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card)
 		goto out;
 
 	/* SPI mode doesn't define CMD19 */
-	if (!mmc_host_is_spi(card->host) && card->host->ops->execute_tuning)
+	if (!mmc_host_is_spi(card->host) && card->host->ops->execute_tuning) {
+		mmc_host_clk_hold(card->host);
 		err = card->host->ops->execute_tuning(card->host,
 						      MMC_SEND_TUNING_BLOCK);
+		mmc_host_clk_release(card->host);
+	}
 
 out:
 	kfree(status);
@@ -850,8 +855,11 @@ int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card,
 	if (!reinit) {
 		int ro = -1;
 
-		if (host->ops->get_ro)
+		if (host->ops->get_ro) {
+			mmc_host_clk_hold(card->host);
 			ro = host->ops->get_ro(host);
+			mmc_host_clk_release(card->host);
+		}
 
 		if (ro < 0) {
 			pr_warning("%s: host does not "
@@ -903,6 +911,9 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
 	BUG_ON(!host);
 	WARN_ON(!host->claimed);
 
+	/* The initialization should be done at 3.3 V I/O voltage. */
+	mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, 0);
+
 	err = mmc_sd_get_cid(host, ocr, cid, &rocr);
 	if (err)
 		return err;
@@ -967,8 +978,11 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
 		 * Since initialization is now complete, enable preset
 		 * value registers for UHS-I cards.
 		 */
-		if (host->ops->enable_preset_value)
+		if (host->ops->enable_preset_value) {
+			mmc_host_clk_hold(card->host);
 			host->ops->enable_preset_value(host, true);
+			mmc_host_clk_release(card->host);
+		}
 	} else {
 		/*
 		 * Attempt to change to high-speed (if supported)
@@ -1145,14 +1159,12 @@ int mmc_attach_sd(struct mmc_host *host)
 	BUG_ON(!host);
 	WARN_ON(!host->claimed);
 
-	/* Make sure we are at 3.3V signalling voltage */
-	err = mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, false);
-	if (err)
-		return err;
-
 	/* Disable preset value enable if already set since last time */
-	if (host->ops->enable_preset_value)
+	if (host->ops->enable_preset_value) {
+		mmc_host_clk_hold(host);
 		host->ops->enable_preset_value(host, false);
+		mmc_host_clk_release(host);
+	}
 
 	err = mmc_send_app_op_cond(host, 0, &ocr);
 	if (err)
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index bd7bacc950dc..2c7c83f832d2 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -98,10 +98,11 @@ fail:
 	return ret;
 }
 
-static int sdio_read_cccr(struct mmc_card *card)
+static int sdio_read_cccr(struct mmc_card *card, u32 ocr)
 {
 	int ret;
 	int cccr_vsn;
+	int uhs = ocr & R4_18V_PRESENT;
 	unsigned char data;
 	unsigned char speed;
 
@@ -149,7 +150,7 @@ static int sdio_read_cccr(struct mmc_card *card)
 		card->scr.sda_spec3 = 0;
 		card->sw_caps.sd3_bus_mode = 0;
 		card->sw_caps.sd3_drv_type = 0;
-		if (cccr_vsn >= SDIO_CCCR_REV_3_00) {
+		if (cccr_vsn >= SDIO_CCCR_REV_3_00 && uhs) {
 			card->scr.sda_spec3 = 1;
 			ret = mmc_io_rw_direct(card, 0, 0,
 				SDIO_CCCR_UHS, 0, &data);
@@ -584,6 +585,9 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
 	 * Inform the card of the voltage
 	 */
 	if (!powered_resume) {
+		/* The initialization should be done at 3.3 V I/O voltage. */
+		mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, 0);
+
 		err = mmc_send_io_op_cond(host, host->ocr, &ocr);
 		if (err)
 			goto err;
@@ -712,7 +716,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
 	/*
 	 * Read the common registers.
 	 */
-	err = sdio_read_cccr(card);
+	err = sdio_read_cccr(card, ocr);
 	if (err)
 		goto remove;
 
@@ -995,6 +999,11 @@ static int mmc_sdio_power_restore(struct mmc_host *host)
 	 * With these steps taken, mmc_select_voltage() is also required to
 	 * restore the correct voltage setting of the card.
 	 */
+
+	/* The initialization should be done at 3.3 V I/O voltage. */
+	if (!mmc_card_keep_power(host))
+		mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, 0);
+
 	sdio_reset(host);
 	mmc_go_idle(host);
 	mmc_send_if_cond(host, host->ocr_avail);
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index 68f81b9ee0fb..f573e7f9f740 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -146,15 +146,21 @@ static int sdio_irq_thread(void *_host)
 		}
 
 		set_current_state(TASK_INTERRUPTIBLE);
-		if (host->caps & MMC_CAP_SDIO_IRQ)
+		if (host->caps & MMC_CAP_SDIO_IRQ) {
+			mmc_host_clk_hold(host);
 			host->ops->enable_sdio_irq(host, 1);
+			mmc_host_clk_release(host);
+		}
 		if (!kthread_should_stop())
 			schedule_timeout(period);
 		set_current_state(TASK_RUNNING);
 	} while (!kthread_should_stop());
 
-	if (host->caps & MMC_CAP_SDIO_IRQ)
+	if (host->caps & MMC_CAP_SDIO_IRQ) {
+		mmc_host_clk_hold(host);
 		host->ops->enable_sdio_irq(host, 0);
+		mmc_host_clk_release(host);
+	}
 
 	pr_debug("%s: IRQ thread exiting with code %d\n",
 		 mmc_hostname(host), ret);
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index cf444b0ca2cc..00fcbed1afd2 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -477,7 +477,6 @@ config MMC_SDHI
 config MMC_CB710
 	tristate "ENE CB710 MMC/SD Interface support"
 	depends on PCI
-	select MISC_DEVICES
 	select CB710_CORE
 	help
 	  This option enables support for MMC/SD part of ENE CB710/720 Flash
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index fcfe1eb5acc8..e4449a54ae8f 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -969,11 +969,14 @@ static void atmci_start_request(struct atmel_mci *host,
 	host->data_status = 0;
 
 	if (host->need_reset) {
+		iflags = atmci_readl(host, ATMCI_IMR);
+		iflags &= (ATMCI_SDIOIRQA | ATMCI_SDIOIRQB);
 		atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST);
 		atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN);
 		atmci_writel(host, ATMCI_MR, host->mode_reg);
 		if (host->caps.has_cfg_reg)
 			atmci_writel(host, ATMCI_CFG, host->cfg_reg);
+		atmci_writel(host, ATMCI_IER, iflags);
 		host->need_reset = false;
 	}
 	atmci_writel(host, ATMCI_SDCR, slot->sdc_reg);
@@ -1945,12 +1948,12 @@ static bool atmci_filter(struct dma_chan *chan, void *slave)
 	}
 }
 
-static void atmci_configure_dma(struct atmel_mci *host)
+static bool atmci_configure_dma(struct atmel_mci *host)
 {
 	struct mci_platform_data	*pdata;
 
 	if (host == NULL)
-		return;
+		return false;
 
 	pdata = host->pdev->dev.platform_data;
 
@@ -1967,12 +1970,15 @@ static void atmci_configure_dma(struct atmel_mci *host)
 		host->dma.chan =
 			dma_request_channel(mask, atmci_filter, pdata->dma_slave);
 	}
-	if (!host->dma.chan)
-		dev_notice(&host->pdev->dev, "DMA not available, using PIO\n");
-	else
+	if (!host->dma.chan) {
+		dev_warn(&host->pdev->dev, "no DMA channel available\n");
+		return false;
+	} else {
 		dev_info(&host->pdev->dev,
 					"Using %s for DMA transfers\n",
 					dma_chan_name(host->dma.chan));
+		return true;
+	}
 }
 
 static inline unsigned int atmci_get_version(struct atmel_mci *host)
@@ -2082,8 +2088,7 @@ static int __init atmci_probe(struct platform_device *pdev)
 
 	/* Get MCI capabilities and set operations according to it */
 	atmci_get_cap(host);
-	if (host->caps.has_dma) {
-		dev_info(&pdev->dev, "using DMA\n");
+	if (host->caps.has_dma && atmci_configure_dma(host)) {
 		host->prepare_data = &atmci_prepare_data_dma;
 		host->submit_data = &atmci_submit_data_dma;
 		host->stop_transfer = &atmci_stop_transfer_dma;
@@ -2093,15 +2098,12 @@ static int __init atmci_probe(struct platform_device *pdev)
 		host->submit_data = &atmci_submit_data_pdc;
 		host->stop_transfer = &atmci_stop_transfer_pdc;
 	} else {
-		dev_info(&pdev->dev, "no DMA, no PDC\n");
+		dev_info(&pdev->dev, "using PIO\n");
 		host->prepare_data = &atmci_prepare_data;
 		host->submit_data = &atmci_submit_data;
 		host->stop_transfer = &atmci_stop_transfer;
 	}
 
-	if (host->caps.has_dma)
-		atmci_configure_dma(host);
-
 	platform_set_drvdata(pdev, host);
 
 	/* We need at least one slot to succeed */
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 0e342793ff14..8bec1c36b159 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -22,7 +22,6 @@
 #include <linux/ioport.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
-#include <linux/scatterlist.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/stat.h>
@@ -502,8 +501,14 @@ static void dw_mci_submit_data(struct dw_mci *host, struct mmc_data *data)
 		host->dir_status = DW_MCI_SEND_STATUS;
 
 	if (dw_mci_submit_data_dma(host, data)) {
+		int flags = SG_MITER_ATOMIC;
+		if (host->data->flags & MMC_DATA_READ)
+			flags |= SG_MITER_TO_SG;
+		else
+			flags |= SG_MITER_FROM_SG;
+
+		sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags);
 		host->sg = data->sg;
-		host->pio_offset = 0;
 		host->part_buf_start = 0;
 		host->part_buf_count = 0;
 
@@ -972,6 +977,7 @@ static void dw_mci_tasklet_func(unsigned long priv)
 				 * generates a block interrupt, hence setting
 				 * the scatter-gather pointer to NULL.
 				 */
+				sg_miter_stop(&host->sg_miter);
 				host->sg = NULL;
 				ctrl = mci_readl(host, CTRL);
 				ctrl |= SDMMC_CTRL_FIFO_RESET;
@@ -1311,54 +1317,44 @@ static void dw_mci_pull_data(struct dw_mci *host, void *buf, int cnt)
 
 static void dw_mci_read_data_pio(struct dw_mci *host)
 {
-	struct scatterlist *sg = host->sg;
-	void *buf = sg_virt(sg);
-	unsigned int offset = host->pio_offset;
+	struct sg_mapping_iter *sg_miter = &host->sg_miter;
+	void *buf;
+	unsigned int offset;
 	struct mmc_data	*data = host->data;
 	int shift = host->data_shift;
 	u32 status;
 	unsigned int nbytes = 0, len;
+	unsigned int remain, fcnt;
 
 	do {
-		len = host->part_buf_count +
-			(SDMMC_GET_FCNT(mci_readl(host, STATUS)) << shift);
-		if (offset + len <= sg->length) {
+		if (!sg_miter_next(sg_miter))
+			goto done;
+
+		host->sg = sg_miter->__sg;
+		buf = sg_miter->addr;
+		remain = sg_miter->length;
+		offset = 0;
+
+		do {
+			fcnt = (SDMMC_GET_FCNT(mci_readl(host, STATUS))
+					<< shift) + host->part_buf_count;
+			len = min(remain, fcnt);
+			if (!len)
+				break;
 			dw_mci_pull_data(host, (void *)(buf + offset), len);
-
 			offset += len;
 			nbytes += len;
-
-			if (offset == sg->length) {
-				flush_dcache_page(sg_page(sg));
-				host->sg = sg = sg_next(sg);
-				if (!sg)
-					goto done;
-
-				offset = 0;
-				buf = sg_virt(sg);
-			}
-		} else {
-			unsigned int remaining = sg->length - offset;
-			dw_mci_pull_data(host, (void *)(buf + offset),
-					 remaining);
-			nbytes += remaining;
-
-			flush_dcache_page(sg_page(sg));
-			host->sg = sg = sg_next(sg);
-			if (!sg)
-				goto done;
-
-			offset = len - remaining;
-			buf = sg_virt(sg);
-			dw_mci_pull_data(host, buf, offset);
-			nbytes += offset;
-		}
+			remain -= len;
+		} while (remain);
+		sg_miter->consumed = offset;
 
 		status = mci_readl(host, MINTSTS);
 		mci_writel(host, RINTSTS, SDMMC_INT_RXDR);
 		if (status & DW_MCI_DATA_ERROR_FLAGS) {
 			host->data_status = status;
 			data->bytes_xfered += nbytes;
+			sg_miter_stop(sg_miter);
+			host->sg = NULL;
 			smp_wmb();
 
 			set_bit(EVENT_DATA_ERROR, &host->pending_events);
@@ -1367,65 +1363,66 @@ static void dw_mci_read_data_pio(struct dw_mci *host)
 			return;
 		}
 	} while (status & SDMMC_INT_RXDR); /*if the RXDR is ready read again*/
-	host->pio_offset = offset;
 	data->bytes_xfered += nbytes;
+
+	if (!remain) {
+		if (!sg_miter_next(sg_miter))
+			goto done;
+		sg_miter->consumed = 0;
+	}
+	sg_miter_stop(sg_miter);
 	return;
 
 done:
 	data->bytes_xfered += nbytes;
+	sg_miter_stop(sg_miter);
+	host->sg = NULL;
 	smp_wmb();
 	set_bit(EVENT_XFER_COMPLETE, &host->pending_events);
 }
 
 static void dw_mci_write_data_pio(struct dw_mci *host)
 {
-	struct scatterlist *sg = host->sg;
-	void *buf = sg_virt(sg);
-	unsigned int offset = host->pio_offset;
+	struct sg_mapping_iter *sg_miter = &host->sg_miter;
+	void *buf;
+	unsigned int offset;
 	struct mmc_data	*data = host->data;
 	int shift = host->data_shift;
 	u32 status;
 	unsigned int nbytes = 0, len;
+	unsigned int fifo_depth = host->fifo_depth;
+	unsigned int remain, fcnt;
 
 	do {
-		len = ((host->fifo_depth -
-			SDMMC_GET_FCNT(mci_readl(host, STATUS))) << shift)
-			- host->part_buf_count;
-		if (offset + len <= sg->length) {
+		if (!sg_miter_next(sg_miter))
+			goto done;
+
+		host->sg = sg_miter->__sg;
+		buf = sg_miter->addr;
+		remain = sg_miter->length;
+		offset = 0;
+
+		do {
+			fcnt = ((fifo_depth -
+				 SDMMC_GET_FCNT(mci_readl(host, STATUS)))
+					<< shift) - host->part_buf_count;
+			len = min(remain, fcnt);
+			if (!len)
+				break;
 			host->push_data(host, (void *)(buf + offset), len);
-
 			offset += len;
 			nbytes += len;
-			if (offset == sg->length) {
-				host->sg = sg = sg_next(sg);
-				if (!sg)
-					goto done;
-
-				offset = 0;
-				buf = sg_virt(sg);
-			}
-		} else {
-			unsigned int remaining = sg->length - offset;
-
-			host->push_data(host, (void *)(buf + offset),
-					remaining);
-			nbytes += remaining;
-
-			host->sg = sg = sg_next(sg);
-			if (!sg)
-				goto done;
-
-			offset = len - remaining;
-			buf = sg_virt(sg);
-			host->push_data(host, (void *)buf, offset);
-			nbytes += offset;
-		}
+			remain -= len;
+		} while (remain);
+		sg_miter->consumed = offset;
 
 		status = mci_readl(host, MINTSTS);
 		mci_writel(host, RINTSTS, SDMMC_INT_TXDR);
 		if (status & DW_MCI_DATA_ERROR_FLAGS) {
 			host->data_status = status;
 			data->bytes_xfered += nbytes;
+			sg_miter_stop(sg_miter);
+			host->sg = NULL;
 
 			smp_wmb();
 
@@ -1435,12 +1432,20 @@ static void dw_mci_write_data_pio(struct dw_mci *host)
 			return;
 		}
 	} while (status & SDMMC_INT_TXDR); /* if TXDR write again */
-	host->pio_offset = offset;
 	data->bytes_xfered += nbytes;
+
+	if (!remain) {
+		if (!sg_miter_next(sg_miter))
+			goto done;
+		sg_miter->consumed = 0;
+	}
+	sg_miter_stop(sg_miter);
 	return;
 
 done:
 	data->bytes_xfered += nbytes;
+	sg_miter_stop(sg_miter);
+	host->sg = NULL;
 	smp_wmb();
 	set_bit(EVENT_XFER_COMPLETE, &host->pending_events);
 }
@@ -1643,6 +1648,7 @@ static void dw_mci_work_routine_card(struct work_struct *work)
 				 * block interrupt, hence setting the
 				 * scatter-gather pointer to NULL.
 				 */
+				sg_miter_stop(&host->sg_miter);
 				host->sg = NULL;
 
 				ctrl = mci_readl(host, CTRL);
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 0d955ffaf44e..11e589cd8233 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1271,12 +1271,13 @@ static int __devinit mmci_probe(struct amba_device *dev,
 	/*
 	 * Block size can be up to 2048 bytes, but must be a power of two.
 	 */
-	mmc->max_blk_size = 2048;
+	mmc->max_blk_size = 1 << 11;
 
 	/*
-	 * No limit on the number of blocks transferred.
+	 * Limit the number of blocks transferred so that we don't overflow
+	 * the maximum request size.
 	 */
-	mmc->max_blk_count = mmc->max_req_size;
+	mmc->max_blk_count = mmc->max_req_size >> 11;
 
 	spin_lock_init(&host->lock);
 
diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
index ab66f2454dc4..1534b582c419 100644
--- a/drivers/mmc/host/of_mmc_spi.c
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -113,8 +113,8 @@ struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi)
 		const int j = i * 2;
 		u32 mask;
 
-		mask = mmc_vddrange_to_ocrmask(voltage_ranges[j],
-					       voltage_ranges[j + 1]);
+		mask = mmc_vddrange_to_ocrmask(be32_to_cpu(voltage_ranges[j]),
+					       be32_to_cpu(voltage_ranges[j + 1]));
 		if (!mask) {
 			ret = -EINVAL;
 			dev_err(dev, "OF: voltage-range #%d is invalid\n", i);
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index d601e41af282..0be4e2013632 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -269,8 +269,9 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg)
 		imx_data->scratchpad = val;
 		return;
 	case SDHCI_COMMAND:
-		if ((host->cmd->opcode == MMC_STOP_TRANSMISSION)
-			&& (imx_data->flags & ESDHC_FLAG_MULTIBLK_NO_INT))
+		if ((host->cmd->opcode == MMC_STOP_TRANSMISSION ||
+		     host->cmd->opcode == MMC_SET_BLOCK_COUNT) &&
+	            (imx_data->flags & ESDHC_FLAG_MULTIBLK_NO_INT))
 			val |= SDHCI_CMD_ABORTCMD;
 
 		if (is_imx6q_usdhc(imx_data)) {
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index ff4adc018041..5d876ff86f37 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -38,6 +38,23 @@ static u8 esdhc_readb(struct sdhci_host *host, int reg)
 	int base = reg & ~0x3;
 	int shift = (reg & 0x3) * 8;
 	u8 ret = (in_be32(host->ioaddr + base) >> shift) & 0xff;
+
+	/*
+	 * "DMA select" locates at offset 0x28 in SD specification, but on
+	 * P5020 or P3041, it locates at 0x29.
+	 */
+	if (reg == SDHCI_HOST_CONTROL) {
+		u32 dma_bits;
+
+		dma_bits = in_be32(host->ioaddr + reg);
+		/* DMA select is 22,23 bits in Protocol Control Register */
+		dma_bits = (dma_bits >> 5) & SDHCI_CTRL_DMA_MASK;
+
+		/* fixup the result */
+		ret &= ~SDHCI_CTRL_DMA_MASK;
+		ret |= dma_bits;
+	}
+
 	return ret;
 }
 
@@ -56,6 +73,21 @@ static void esdhc_writew(struct sdhci_host *host, u16 val, int reg)
 
 static void esdhc_writeb(struct sdhci_host *host, u8 val, int reg)
 {
+	/*
+	 * "DMA select" location is offset 0x28 in SD specification, but on
+	 * P5020 or P3041, it's located at 0x29.
+	 */
+	if (reg == SDHCI_HOST_CONTROL) {
+		u32 dma_bits;
+
+		/* DMA select is 22,23 bits in Protocol Control Register */
+		dma_bits = (val & SDHCI_CTRL_DMA_MASK) << 5;
+		clrsetbits_be32(host->ioaddr + reg , SDHCI_CTRL_DMA_MASK << 5,
+			dma_bits);
+		val &= ~SDHCI_CTRL_DMA_MASK;
+		val |= in_be32(host->ioaddr + reg) & SDHCI_CTRL_DMA_MASK;
+	}
+
 	/* Prevent SDHCI core from writing reserved bits (e.g. HISPD). */
 	if (reg == SDHCI_HOST_CONTROL)
 		val &= ~ESDHC_HOST_CONTROL_RES;
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 7165e6a09274..6ebdc4010e7c 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -250,7 +250,7 @@ static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot)
 
 static int mfd_sdio_probe_slot(struct sdhci_pci_slot *slot)
 {
-	slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD;
+	slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE;
 	return 0;
 }
 
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 03970bcb3495..c5c2a48bdd94 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -2,7 +2,7 @@
  * sdhci-pltfm.c Support for SDHCI platform devices
  * Copyright (c) 2009 Intel Corporation
  *
- * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ * Copyright (c) 2007, 2011 Freescale Semiconductor, Inc.
  * Copyright (c) 2009 MontaVista Software, Inc.
  *
  * Authors: Xiaobo Xie <X.Xie@freescale.com>
@@ -71,6 +71,14 @@ void sdhci_get_of_property(struct platform_device *pdev)
 		if (sdhci_of_wp_inverted(np))
 			host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
 
+		if (of_device_is_compatible(np, "fsl,p2020-rev1-esdhc"))
+			host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
+
+		if (of_device_is_compatible(np, "fsl,p2020-esdhc") ||
+		    of_device_is_compatible(np, "fsl,p1010-esdhc") ||
+		    of_device_is_compatible(np, "fsl,mpc8536-esdhc"))
+			host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
+
 		clk = of_get_property(np, "clock-frequency", &size);
 		if (clk && size == sizeof(*clk) && *clk)
 			pltfm_host->clock = be32_to_cpup(clk);
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index f5d8b53be333..352d4797865b 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1327,7 +1327,7 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto clean_up2;
 
-	mmc_add_host(mmc);
+	INIT_DELAYED_WORK(&host->timeout_work, mmcif_timeout_work);
 
 	sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL);
 
@@ -1338,22 +1338,24 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev)
 	}
 	ret = request_threaded_irq(irq[1], sh_mmcif_intr, sh_mmcif_irqt, 0, "sh_mmc:int", host);
 	if (ret) {
-		free_irq(irq[0], host);
 		dev_err(&pdev->dev, "request_irq error (sh_mmc:int)\n");
-		goto clean_up3;
+		goto clean_up4;
 	}
 
-	INIT_DELAYED_WORK(&host->timeout_work, mmcif_timeout_work);
-
-	mmc_detect_change(host->mmc, 0);
+	ret = mmc_add_host(mmc);
+	if (ret < 0)
+		goto clean_up5;
 
 	dev_info(&pdev->dev, "driver version %s\n", DRIVER_VERSION);
 	dev_dbg(&pdev->dev, "chip ver H'%04x\n",
 		sh_mmcif_readl(host->addr, MMCIF_CE_VERSION) & 0x0000ffff);
 	return ret;
 
+clean_up5:
+	free_irq(irq[1], host);
+clean_up4:
+	free_irq(irq[0], host);
 clean_up3:
-	mmc_remove_host(mmc);
 	pm_runtime_suspend(&pdev->dev);
 clean_up2:
 	pm_runtime_disable(&pdev->dev);
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index a95e6d901726..f96c536d130a 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -20,8 +20,8 @@
 #include <linux/mmc/tmio.h>
 #include <linux/mutex.h>
 #include <linux/pagemap.h>
-#include <linux/spinlock.h>
 #include <linux/scatterlist.h>
+#include <linux/spinlock.h>
 
 /* Definitions for values the CTRL_SDIO_STATUS register can take. */
 #define TMIO_SDIO_STAT_IOIRQ	0x0001
@@ -120,6 +120,7 @@ void tmio_mmc_start_dma(struct tmio_mmc_host *host, struct mmc_data *data);
 void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable);
 void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata);
 void tmio_mmc_release_dma(struct tmio_mmc_host *host);
+void tmio_mmc_abort_dma(struct tmio_mmc_host *host);
 #else
 static inline void tmio_mmc_start_dma(struct tmio_mmc_host *host,
 			       struct mmc_data *data)
@@ -140,6 +141,10 @@ static inline void tmio_mmc_request_dma(struct tmio_mmc_host *host,
 static inline void tmio_mmc_release_dma(struct tmio_mmc_host *host)
 {
 }
+
+static inline void tmio_mmc_abort_dma(struct tmio_mmc_host *host)
+{
+}
 #endif
 
 #ifdef CONFIG_PM
diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c
index 7a6e6cc8f8b8..8253ec12003e 100644
--- a/drivers/mmc/host/tmio_mmc_dma.c
+++ b/drivers/mmc/host/tmio_mmc_dma.c
@@ -34,6 +34,18 @@ void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable)
 #endif
 }
 
+void tmio_mmc_abort_dma(struct tmio_mmc_host *host)
+{
+	tmio_mmc_enable_dma(host, false);
+
+	if (host->chan_rx)
+		dmaengine_terminate_all(host->chan_rx);
+	if (host->chan_tx)
+		dmaengine_terminate_all(host->chan_tx);
+
+	tmio_mmc_enable_dma(host, true);
+}
+
 static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host)
 {
 	struct scatterlist *sg = host->sg_ptr, *sg_tmp;
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index abad01b37cfb..5f9ad74fbf80 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -41,8 +41,8 @@
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/scatterlist.h>
-#include <linux/workqueue.h>
 #include <linux/spinlock.h>
+#include <linux/workqueue.h>
 
 #include "tmio_mmc.h"
 
@@ -246,6 +246,7 @@ static void tmio_mmc_reset_work(struct work_struct *work)
 	/* Ready for new calls */
 	host->mrq = NULL;
 
+	tmio_mmc_abort_dma(host);
 	mmc_request_done(host->mmc, mrq);
 }
 
@@ -272,6 +273,9 @@ static void tmio_mmc_finish_request(struct tmio_mmc_host *host)
 	host->mrq = NULL;
 	spin_unlock_irqrestore(&host->lock, flags);
 
+	if (mrq->cmd->error || (mrq->data && mrq->data->error))
+		tmio_mmc_abort_dma(host);
+
 	mmc_request_done(host->mmc, mrq);
 }
 
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 6ae9ca01388b..9a9ce71a71fc 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -119,7 +119,7 @@ static int mtd_cls_suspend(struct device *dev, pm_message_t state)
 {
 	struct mtd_info *mtd = dev_get_drvdata(dev);
 
-	return mtd_suspend(mtd);
+	return mtd ? mtd_suspend(mtd) : 0;
 }
 
 static int mtd_cls_resume(struct device *dev)
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 4dd056e2e16a..35b4fb55dbd6 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -161,6 +161,37 @@ static int atmel_nand_device_ready(struct mtd_info *mtd)
                 !!host->board->rdy_pin_active_low;
 }
 
+/*
+ * Minimal-overhead PIO for data access.
+ */
+static void atmel_read_buf8(struct mtd_info *mtd, u8 *buf, int len)
+{
+	struct nand_chip	*nand_chip = mtd->priv;
+
+	__raw_readsb(nand_chip->IO_ADDR_R, buf, len);
+}
+
+static void atmel_read_buf16(struct mtd_info *mtd, u8 *buf, int len)
+{
+	struct nand_chip	*nand_chip = mtd->priv;
+
+	__raw_readsw(nand_chip->IO_ADDR_R, buf, len / 2);
+}
+
+static void atmel_write_buf8(struct mtd_info *mtd, const u8 *buf, int len)
+{
+	struct nand_chip	*nand_chip = mtd->priv;
+
+	__raw_writesb(nand_chip->IO_ADDR_W, buf, len);
+}
+
+static void atmel_write_buf16(struct mtd_info *mtd, const u8 *buf, int len)
+{
+	struct nand_chip	*nand_chip = mtd->priv;
+
+	__raw_writesw(nand_chip->IO_ADDR_W, buf, len / 2);
+}
+
 static void dma_complete_func(void *completion)
 {
 	complete(completion);
@@ -235,27 +266,33 @@ err_buf:
 static void atmel_read_buf(struct mtd_info *mtd, u8 *buf, int len)
 {
 	struct nand_chip *chip = mtd->priv;
+	struct atmel_nand_host *host = chip->priv;
 
 	if (use_dma && len > mtd->oobsize)
 		/* only use DMA for bigger than oob size: better performances */
 		if (atmel_nand_dma_op(mtd, buf, len, 1) == 0)
 			return;
 
-	/* if no DMA operation possible, use PIO */
-	memcpy_fromio(buf, chip->IO_ADDR_R, len);
+	if (host->board->bus_width_16)
+		atmel_read_buf16(mtd, buf, len);
+	else
+		atmel_read_buf8(mtd, buf, len);
 }
 
 static void atmel_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
 {
 	struct nand_chip *chip = mtd->priv;
+	struct atmel_nand_host *host = chip->priv;
 
 	if (use_dma && len > mtd->oobsize)
 		/* only use DMA for bigger than oob size: better performances */
 		if (atmel_nand_dma_op(mtd, (void *)buf, len, 0) == 0)
 			return;
 
-	/* if no DMA operation possible, use PIO */
-	memcpy_toio(chip->IO_ADDR_W, buf, len);
+	if (host->board->bus_width_16)
+		atmel_write_buf16(mtd, buf, len);
+	else
+		atmel_write_buf8(mtd, buf, len);
 }
 
 /*
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
index 7f680420bfab..7db6555ed3ba 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
@@ -69,17 +69,19 @@ static int clear_poll_bit(void __iomem *addr, u32 mask)
  *  [1] enable the module.
  *  [2] reset the module.
  *
- * In most of the cases, it's ok. But there is a hardware bug in the BCH block.
+ * In most of the cases, it's ok.
+ * But in MX23, there is a hardware bug in the BCH block (see erratum #2847).
  * If you try to soft reset the BCH block, it becomes unusable until
  * the next hard reset. This case occurs in the NAND boot mode. When the board
  * boots by NAND, the ROM of the chip will initialize the BCH blocks itself.
  * So If the driver tries to reset the BCH again, the BCH will not work anymore.
- * You will see a DMA timeout in this case.
+ * You will see a DMA timeout in this case. The bug has been fixed
+ * in the following chips, such as MX28.
  *
  * To avoid this bug, just add a new parameter `just_enable` for
  * the mxs_reset_block(), and rewrite it here.
  */
-int gpmi_reset_block(void __iomem *reset_addr, bool just_enable)
+static int gpmi_reset_block(void __iomem *reset_addr, bool just_enable)
 {
 	int ret;
 	int timeout = 0x400;
@@ -206,7 +208,15 @@ int bch_set_geometry(struct gpmi_nand_data *this)
 	if (ret)
 		goto err_out;
 
-	ret = gpmi_reset_block(r->bch_regs, true);
+	/*
+	* Due to erratum #2847 of the MX23, the BCH cannot be soft reset on this
+	* chip, otherwise it will lock up. So we skip resetting BCH on the MX23.
+	* On the other hand, the MX28 needs the reset, because one case has been
+	* seen where the BCH produced ECC errors constantly after 10000
+	* consecutive reboots. The latter case has not been seen on the MX23 yet,
+	* still we don't know if it could happen there as well.
+	*/
+	ret = gpmi_reset_block(r->bch_regs, GPMI_IS_MX23(this));
 	if (ret)
 		goto err_out;
 
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 35b4565050f1..8a393f9e6027 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2588,7 +2588,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
 	instr->state = MTD_ERASING;
 
 	while (len) {
-		/* Heck if we have a bad block, we do not erase bad blocks! */
+		/* Check if we have a bad block, we do not erase bad blocks! */
 		if (nand_block_checkbad(mtd, ((loff_t) page) <<
 					chip->page_shift, 0, allowbbt)) {
 			pr_warn("%s: attempt to erase a bad block at page 0x%08x\n",
diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index 0a4fc62a381d..c998e1afebc6 100644
--- a/drivers/net/caif/caif_hsi.c
+++ b/drivers/net/caif/caif_hsi.c
@@ -978,7 +978,7 @@ static void cfhsi_setup(struct net_device *dev)
 	dev->netdev_ops = &cfhsi_ops;
 	dev->type = ARPHRD_CAIF;
 	dev->flags = IFF_POINTOPOINT | IFF_NOARP;
-	dev->mtu = CFHSI_MAX_PAYLOAD_SZ;
+	dev->mtu = CFHSI_MAX_CAIF_FRAME_SZ;
 	dev->tx_queue_len = 0;
 	dev->destructor = free_netdev;
 	skb_queue_head_init(&cfhsi->qhead);
diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c
index 766896747643..c30f0e6f1048 100644
--- a/drivers/net/can/cc770/cc770.c
+++ b/drivers/net/can/cc770/cc770.c
@@ -440,12 +440,14 @@ static netdev_tx_t cc770_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	for (i = 0; i < dlc; i++)
 		cc770_write_reg(priv, msgobj[mo].data[i], cf->data[i]);
 
+	/* Store echo skb before starting the transfer */
+	can_put_echo_skb(skb, dev, 0);
+
 	cc770_write_reg(priv, msgobj[mo].ctrl1,
 			RMTPND_RES | TXRQST_SET | CPUUPD_RES | NEWDAT_UNC);
 
 	stats->tx_bytes += dlc;
 
-	can_put_echo_skb(skb, dev, 0);
 
 	/*
 	 * HM: We had some cases of repeated IRQs so make sure the
diff --git a/drivers/net/can/cc770/cc770_isa.c b/drivers/net/can/cc770/cc770_isa.c
index 4be5fe2c40a5..9f3a25ccd665 100644
--- a/drivers/net/can/cc770/cc770_isa.c
+++ b/drivers/net/can/cc770/cc770_isa.c
@@ -110,6 +110,11 @@ MODULE_PARM_DESC(bcr, "Bus configuration register (default=0x40 [CBY])");
 #define CC770_IOSIZE          0x20
 #define CC770_IOSIZE_INDIRECT 0x02
 
+/* Spinlock for cc770_isa_port_write_reg_indirect
+ * and cc770_isa_port_read_reg_indirect
+ */
+static DEFINE_SPINLOCK(cc770_isa_port_lock);
+
 static struct platform_device *cc770_isa_devs[MAXDEV];
 
 static u8 cc770_isa_mem_read_reg(const struct cc770_priv *priv, int reg)
@@ -138,18 +143,27 @@ static u8 cc770_isa_port_read_reg_indirect(const struct cc770_priv *priv,
 					     int reg)
 {
 	unsigned long base = (unsigned long)priv->reg_base;
+	unsigned long flags;
+	u8 val;
 
+	spin_lock_irqsave(&cc770_isa_port_lock, flags);
 	outb(reg, base);
-	return inb(base + 1);
+	val = inb(base + 1);
+	spin_unlock_irqrestore(&cc770_isa_port_lock, flags);
+
+	return val;
 }
 
 static void cc770_isa_port_write_reg_indirect(const struct cc770_priv *priv,
 						int reg, u8 val)
 {
 	unsigned long base = (unsigned long)priv->reg_base;
+	unsigned long flags;
 
+	spin_lock_irqsave(&cc770_isa_port_lock, flags);
 	outb(reg, base);
 	outb(val, base + 1);
+	spin_unlock_irqrestore(&cc770_isa_port_lock, flags);
 }
 
 static int __devinit cc770_isa_probe(struct platform_device *pdev)
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 7fd8089946fb..96d235799ec1 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -118,6 +118,9 @@
 	(FLEXCAN_ESR_TWRN_INT | FLEXCAN_ESR_RWRN_INT | FLEXCAN_ESR_BOFF_INT)
 #define FLEXCAN_ESR_ERR_ALL \
 	(FLEXCAN_ESR_ERR_BUS | FLEXCAN_ESR_ERR_STATE)
+#define FLEXCAN_ESR_ALL_INT \
+	(FLEXCAN_ESR_TWRN_INT | FLEXCAN_ESR_RWRN_INT | \
+	 FLEXCAN_ESR_BOFF_INT | FLEXCAN_ESR_ERR_INT)
 
 /* FLEXCAN interrupt flag register (IFLAG) bits */
 #define FLEXCAN_TX_BUF_ID		8
@@ -577,7 +580,9 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id)
 
 	reg_iflag1 = flexcan_read(&regs->iflag1);
 	reg_esr = flexcan_read(&regs->esr);
-	flexcan_write(FLEXCAN_ESR_ERR_INT, &regs->esr);	/* ACK err IRQ */
+	/* ACK all bus error and state change IRQ sources */
+	if (reg_esr & FLEXCAN_ESR_ALL_INT)
+		flexcan_write(reg_esr & FLEXCAN_ESR_ALL_INT, &regs->esr);
 
 	/*
 	 * schedule NAPI in case of:
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index d11fbb2b95ff..6edc25e0dd15 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -66,6 +66,7 @@
 #define PCH_IF_CREQ_BUSY	BIT(15)
 
 #define PCH_STATUS_INT		0x8000
+#define PCH_RP			0x00008000
 #define PCH_REC			0x00007f00
 #define PCH_TEC			0x000000ff
 
@@ -527,7 +528,7 @@ static void pch_can_error(struct net_device *ndev, u32 status)
 		priv->can.can_stats.error_passive++;
 		state = CAN_STATE_ERROR_PASSIVE;
 		cf->can_id |= CAN_ERR_CRTL;
-		if (((errc & PCH_REC) >> 8) > 127)
+		if (errc & PCH_RP)
 			cf->data[1] |= CAN_ERR_CRTL_RX_PASSIVE;
 		if ((errc & PCH_TEC) > 127)
 			cf->data[1] |= CAN_ERR_CRTL_TX_PASSIVE;
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index 2c7f5036f570..214795945bc4 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -39,9 +39,9 @@ MODULE_LICENSE("GPL v2");
 #define DRV_NAME  "peak_pci"
 
 struct peak_pci_chan {
-	void __iomem *cfg_base;	     /* Common for all channels */
-	struct net_device *next_dev; /* Chain of network devices */
-	u16 icr_mask;		     /* Interrupt mask for fast ack */
+	void __iomem *cfg_base;		/* Common for all channels */
+	struct net_device *prev_dev;	/* Chain of network devices */
+	u16 icr_mask;			/* Interrupt mask for fast ack */
 };
 
 #define PEAK_PCI_CAN_CLOCK	(16000000 / 2)
@@ -98,7 +98,7 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev,
 {
 	struct sja1000_priv *priv;
 	struct peak_pci_chan *chan;
-	struct net_device *dev, *dev0 = NULL;
+	struct net_device *dev;
 	void __iomem *cfg_base, *reg_base;
 	u16 sub_sys_id, icr;
 	int i, err, channels;
@@ -196,18 +196,14 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev,
 		}
 
 		/* Create chain of SJA1000 devices */
-		if (i == 0)
-			dev0 = dev;
-		else
-			chan->next_dev = dev;
+		chan->prev_dev = pci_get_drvdata(pdev);
+		pci_set_drvdata(pdev, dev);
 
 		dev_info(&pdev->dev,
 			 "%s at reg_base=0x%p cfg_base=0x%p irq=%d\n",
 			 dev->name, priv->reg_base, chan->cfg_base, dev->irq);
 	}
 
-	pci_set_drvdata(pdev, dev0);
-
 	/* Enable interrupts */
 	writew(icr, cfg_base + PITA_ICR + 2);
 
@@ -217,12 +213,11 @@ failure_remove_channels:
 	/* Disable interrupts */
 	writew(0x0, cfg_base + PITA_ICR + 2);
 
-	for (dev = dev0; dev; dev = chan->next_dev) {
+	for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) {
 		unregister_sja1000dev(dev);
 		free_sja1000dev(dev);
 		priv = netdev_priv(dev);
 		chan = priv->priv;
-		dev = chan->next_dev;
 	}
 
 	pci_iounmap(pdev, reg_base);
@@ -241,7 +236,7 @@ failure_disable_pci:
 
 static void __devexit peak_pci_remove(struct pci_dev *pdev)
 {
-	struct net_device *dev = pci_get_drvdata(pdev); /* First device */
+	struct net_device *dev = pci_get_drvdata(pdev); /* Last device */
 	struct sja1000_priv *priv = netdev_priv(dev);
 	struct peak_pci_chan *chan = priv->priv;
 	void __iomem *cfg_base = chan->cfg_base;
@@ -255,7 +250,7 @@ static void __devexit peak_pci_remove(struct pci_dev *pdev)
 		dev_info(&pdev->dev, "removing device %s\n", dev->name);
 		unregister_sja1000dev(dev);
 		free_sja1000dev(dev);
-		dev = chan->next_dev;
+		dev = chan->prev_dev;
 		if (!dev)
 			break;
 		priv = netdev_priv(dev);
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 04a3f1b756a8..192b0d118df4 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -95,11 +95,16 @@ static void sja1000_write_cmdreg(struct sja1000_priv *priv, u8 val)
 	spin_unlock_irqrestore(&priv->cmdreg_lock, flags);
 }
 
+static int sja1000_is_absent(struct sja1000_priv *priv)
+{
+	return (priv->read_reg(priv, REG_MOD) == 0xFF);
+}
+
 static int sja1000_probe_chip(struct net_device *dev)
 {
 	struct sja1000_priv *priv = netdev_priv(dev);
 
-	if (priv->reg_base && (priv->read_reg(priv, 0) == 0xFF)) {
+	if (priv->reg_base && sja1000_is_absent(priv)) {
 		printk(KERN_INFO "%s: probing @0x%lX failed\n",
 		       DRV_NAME, dev->base_addr);
 		return 0;
@@ -493,6 +498,9 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
 	while ((isrc = priv->read_reg(priv, REG_IR)) && (n < SJA1000_MAX_IRQ)) {
 		n++;
 		status = priv->read_reg(priv, REG_SR);
+		/* check for absent controller due to hw unplug */
+		if (status == 0xFF && sja1000_is_absent(priv))
+			return IRQ_NONE;
 
 		if (isrc & IRQ_WUI)
 			dev_warn(dev->dev.parent, "wakeup interrupt\n");
@@ -509,6 +517,9 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
 			while (status & SR_RBS) {
 				sja1000_rx(dev);
 				status = priv->read_reg(priv, REG_SR);
+				/* check for absent controller */
+				if (status == 0xFF && sja1000_is_absent(priv))
+					return IRQ_NONE;
 			}
 		}
 		if (isrc & (IRQ_DOI | IRQ_EI | IRQ_BEI | IRQ_EPI | IRQ_ALI)) {
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index df809e3f130e..5a2e1e3588a1 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -745,9 +745,10 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
 		}
 	}
 
-	netif_receive_skb(skb);
+	netif_rx(skb);
 	stats->rx_packets++;
 	stats->rx_bytes += cf->can_dlc;
+
 	return 0;
 }
 
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 9697c14b8dc6..7dae64d44e83 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -627,9 +627,6 @@ static int ems_usb_start(struct ems_usb *dev)
 
 		err = usb_submit_urb(urb, GFP_KERNEL);
 		if (err) {
-			if (err == -ENODEV)
-				netif_device_detach(dev->netdev);
-
 			usb_unanchor_urb(urb);
 			usb_free_coherent(dev->udev, RX_BUFFER_SIZE, buf,
 					  urb->transfer_dma);
@@ -659,9 +656,6 @@ static int ems_usb_start(struct ems_usb *dev)
 
 	err = usb_submit_urb(dev->intr_urb, GFP_KERNEL);
 	if (err) {
-		if (err == -ENODEV)
-			netif_device_detach(dev->netdev);
-
 		dev_warn(netdev->dev.parent, "intr URB submit failed: %d\n",
 			 err);
 
@@ -692,9 +686,6 @@ static int ems_usb_start(struct ems_usb *dev)
 	return 0;
 
 failed:
-	if (err == -ENODEV)
-		netif_device_detach(dev->netdev);
-
 	dev_warn(netdev->dev.parent, "couldn't submit control: %d\n", err);
 
 	return err;
diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index 8153a3e0a1a4..f9b74c0a8492 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -1842,7 +1842,7 @@ vortex_timer(unsigned long data)
 		ok = 1;
 	}
 
-	if (!netif_carrier_ok(dev))
+	if (dev->flags & IFF_SLAVE || !netif_carrier_ok(dev))
 		next_tick = 5*HZ;
 
 	if (vp->medialock)
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index b8591246eb4c..47a9bb2c813c 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -1710,7 +1710,7 @@ static irqreturn_t atl1c_intr(int irq, void *data)
 					"atl1c hardware error (status = 0x%x)\n",
 					status & ISR_ERROR);
 			/* reset MAC */
-			adapter->work_event |= ATL1C_WORK_EVENT_RESET;
+			set_bit(ATL1C_WORK_EVENT_RESET, &adapter->work_event);
 			schedule_work(&adapter->common_task);
 			return IRQ_HANDLED;
 		}
@@ -2244,10 +2244,6 @@ static netdev_tx_t atl1c_xmit_frame(struct sk_buff *skb,
 			dev_info(&adapter->pdev->dev, "tx locked\n");
 		return NETDEV_TX_LOCKED;
 	}
-	if (skb->mark == 0x01)
-		type = atl1c_trans_high;
-	else
-		type = atl1c_trans_normal;
 
 	if (atl1c_tpd_avail(adapter, type) < tpd_req) {
 		/* no enough descriptor, just stop queue */
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index 3fb66d09ece5..cab87456a34a 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -2339,7 +2339,7 @@ static inline int __init b44_pci_init(void)
 	return err;
 }
 
-static inline void __exit b44_pci_exit(void)
+static inline void b44_pci_exit(void)
 {
 #ifdef CONFIG_B44_PCI
 	ssb_pcihost_unregister(&b44_pci_driver);
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index 986019b2c849..c7ca7ec065ee 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -797,7 +797,7 @@ static int bcm_enet_open(struct net_device *dev)
 	if (priv->has_phy) {
 		/* connect to PHY */
 		snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT,
-			 priv->mac_id ? "1" : "0", priv->phy_id);
+			 priv->mii_bus->id, priv->phy_id);
 
 		phydev = phy_connect(dev, phy_id, bcm_enet_adjust_phy_link, 0,
 				     PHY_INTERFACE_MODE_MII);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 03f3935fd8c2..7aee46983be4 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -523,7 +523,6 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 		skb = build_skb(data);
 
 	if (likely(skb)) {
-
 #ifdef BNX2X_STOP_ON_ERROR
 		if (pad + len > fp->rx_buf_size) {
 			BNX2X_ERR("skb_put is about to fail...  "
@@ -557,7 +556,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 
 		return;
 	}
-
+	kfree(new_data);
 drop:
 	/* drop the packet and keep the buffer in the bin */
 	DP(NETIF_MSG_RX_STATUS,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 1e3f978ee6da..254521319150 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -117,10 +117,6 @@ static int dropless_fc;
 module_param(dropless_fc, int, 0);
 MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
 
-static int poll;
-module_param(poll, int, 0);
-MODULE_PARM_DESC(poll, " Use polling (for debug)");
-
 static int mrrs = -1;
 module_param(mrrs, int, 0);
 MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
@@ -4834,20 +4830,11 @@ void bnx2x_drv_pulse(struct bnx2x *bp)
 
 static void bnx2x_timer(unsigned long data)
 {
-	u8 cos;
 	struct bnx2x *bp = (struct bnx2x *) data;
 
 	if (!netif_running(bp->dev))
 		return;
 
-	if (poll) {
-		struct bnx2x_fastpath *fp = &bp->fp[0];
-
-		for_each_cos_in_tx_queue(fp, cos)
-			bnx2x_tx_int(bp, &fp->txdata[cos]);
-		bnx2x_rx_int(fp, 1000);
-	}
-
 	if (!BP_NOMCP(bp)) {
 		int mb_idx = BP_FW_MB_IDX(bp);
 		u32 drv_pulse;
@@ -10063,7 +10050,6 @@ static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
 {
 	int func;
-	int timer_interval;
 	int rc;
 
 	mutex_init(&bp->port.phy_mutex);
@@ -10139,8 +10125,7 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
 	bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
 	bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
 
-	timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
-	bp->current_interval = (poll ? poll : timer_interval);
+	bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
 
 	init_timer(&bp->timer);
 	bp->timer.expires = jiffies + bp->current_interval;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
index bc0121ac291e..1adef266fcd5 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
@@ -1081,17 +1081,17 @@ static int bnx2x_storm_stats_update(struct bnx2x *bp)
 	       estats->rx_stat_ifhcinbadoctets_lo);
 
 	ADD_64(fstats->total_bytes_received_hi,
-	       tfunc->rcv_error_bytes.hi,
+	       le32_to_cpu(tfunc->rcv_error_bytes.hi),
 	       fstats->total_bytes_received_lo,
-	       tfunc->rcv_error_bytes.lo);
+	       le32_to_cpu(tfunc->rcv_error_bytes.lo));
 
 	memcpy(estats, &(fstats->total_bytes_received_hi),
 	       sizeof(struct host_func_stats) - 2*sizeof(u32));
 
 	ADD_64(estats->error_bytes_received_hi,
-	       tfunc->rcv_error_bytes.hi,
+	       le32_to_cpu(tfunc->rcv_error_bytes.hi),
 	       estats->error_bytes_received_lo,
-	       tfunc->rcv_error_bytes.lo);
+	       le32_to_cpu(tfunc->rcv_error_bytes.lo));
 
 	ADD_64(estats->etherstatsoverrsizepkts_hi,
 	       estats->rx_stat_dot3statsframestoolong_hi,
diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index dd3a0a232ea0..818a573669e6 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -3584,7 +3584,11 @@ static int cnic_get_v6_route(struct sockaddr_in6 *dst_addr,
 		fl6.flowi6_oif = dst_addr->sin6_scope_id;
 
 	*dst = ip6_route_output(&init_net, NULL, &fl6);
-	if (*dst)
+	if ((*dst)->error) {
+		dst_release(*dst);
+		*dst = NULL;
+		return -ENETUNREACH;
+	} else
 		return 0;
 #endif
 
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index a1f2e0fed78b..35c2a202d67a 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -5352,7 +5352,7 @@ static void tg3_tx(struct tg3_napi *tnapi)
 		}
 	}
 
-	netdev_completed_queue(tp->dev, pkts_compl, bytes_compl);
+	netdev_tx_completed_queue(txq, pkts_compl, bytes_compl);
 
 	tnapi->tx_cons = sw_idx;
 
@@ -6793,7 +6793,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 
 	skb_tx_timestamp(skb);
-	netdev_sent_queue(tp->dev, skb->len);
+	netdev_tx_sent_queue(txq, skb->len);
 
 	/* Packets are ready, update Tx producer idx local and on card. */
 	tw32_tx_mbox(tnapi->prodmbox, entry);
@@ -7275,8 +7275,8 @@ static void tg3_free_rings(struct tg3 *tp)
 
 			dev_kfree_skb_any(skb);
 		}
+		netdev_tx_reset_queue(netdev_get_tx_queue(tp->dev, j));
 	}
-	netdev_reset_queue(tp->dev);
 }
 
 /* Initialize tx/rx rings for packet processing.
@@ -7886,10 +7886,8 @@ static int tg3_chip_reset(struct tg3 *tp)
 	return 0;
 }
 
-static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *,
-						 struct rtnl_link_stats64 *);
-static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *,
-						struct tg3_ethtool_stats *);
+static void tg3_get_nstats(struct tg3 *, struct rtnl_link_stats64 *);
+static void tg3_get_estats(struct tg3 *, struct tg3_ethtool_stats *);
 
 /* tp->lock is held. */
 static int tg3_halt(struct tg3 *tp, int kind, int silent)
@@ -7910,7 +7908,7 @@ static int tg3_halt(struct tg3 *tp, int kind, int silent)
 
 	if (tp->hw_stats) {
 		/* Save the stats across chip resets... */
-		tg3_get_stats64(tp->dev, &tp->net_stats_prev),
+		tg3_get_nstats(tp, &tp->net_stats_prev),
 		tg3_get_estats(tp, &tp->estats_prev);
 
 		/* And make sure the next sample is new data */
@@ -9847,7 +9845,7 @@ static inline u64 get_stat64(tg3_stat64_t *val)
        return ((u64)val->high << 32) | ((u64)val->low);
 }
 
-static u64 calc_crc_errors(struct tg3 *tp)
+static u64 tg3_calc_crc_errors(struct tg3 *tp)
 {
 	struct tg3_hw_stats *hw_stats = tp->hw_stats;
 
@@ -9856,14 +9854,12 @@ static u64 calc_crc_errors(struct tg3 *tp)
 	     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
 		u32 val;
 
-		spin_lock_bh(&tp->lock);
 		if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
 			tg3_writephy(tp, MII_TG3_TEST1,
 				     val | MII_TG3_TEST1_CRC_EN);
 			tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &val);
 		} else
 			val = 0;
-		spin_unlock_bh(&tp->lock);
 
 		tp->phy_crc_errors += val;
 
@@ -9877,14 +9873,13 @@ static u64 calc_crc_errors(struct tg3 *tp)
 	estats->member =	old_estats->member + \
 				get_stat64(&hw_stats->member)
 
-static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp,
-					       struct tg3_ethtool_stats *estats)
+static void tg3_get_estats(struct tg3 *tp, struct tg3_ethtool_stats *estats)
 {
 	struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
 	struct tg3_hw_stats *hw_stats = tp->hw_stats;
 
 	if (!hw_stats)
-		return old_estats;
+		return;
 
 	ESTAT_ADD(rx_octets);
 	ESTAT_ADD(rx_fragments);
@@ -9963,20 +9958,13 @@ static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp,
 	ESTAT_ADD(nic_tx_threshold_hit);
 
 	ESTAT_ADD(mbuf_lwm_thresh_hit);
-
-	return estats;
 }
 
-static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
-						 struct rtnl_link_stats64 *stats)
+static void tg3_get_nstats(struct tg3 *tp, struct rtnl_link_stats64 *stats)
 {
-	struct tg3 *tp = netdev_priv(dev);
 	struct rtnl_link_stats64 *old_stats = &tp->net_stats_prev;
 	struct tg3_hw_stats *hw_stats = tp->hw_stats;
 
-	if (!hw_stats)
-		return old_stats;
-
 	stats->rx_packets = old_stats->rx_packets +
 		get_stat64(&hw_stats->rx_ucast_packets) +
 		get_stat64(&hw_stats->rx_mcast_packets) +
@@ -10019,15 +10007,13 @@ static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
 		get_stat64(&hw_stats->tx_carrier_sense_errors);
 
 	stats->rx_crc_errors = old_stats->rx_crc_errors +
-		calc_crc_errors(tp);
+		tg3_calc_crc_errors(tp);
 
 	stats->rx_missed_errors = old_stats->rx_missed_errors +
 		get_stat64(&hw_stats->rx_discards);
 
 	stats->rx_dropped = tp->rx_dropped;
 	stats->tx_dropped = tp->tx_dropped;
-
-	return stats;
 }
 
 static inline u32 calc_crc(unsigned char *buf, int len)
@@ -15409,6 +15395,21 @@ static void __devinit tg3_init_coal(struct tg3 *tp)
 	}
 }
 
+static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
+						struct rtnl_link_stats64 *stats)
+{
+	struct tg3 *tp = netdev_priv(dev);
+
+	if (!tp->hw_stats)
+		return &tp->net_stats_prev;
+
+	spin_lock_bh(&tp->lock);
+	tg3_get_nstats(tp, stats);
+	spin_unlock_bh(&tp->lock);
+
+	return stats;
+}
+
 static const struct net_device_ops tg3_netdev_ops = {
 	.ndo_open		= tg3_open,
 	.ndo_stop		= tg3_close,
diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
index 9b44ec8096ba..803ea32aa99d 100644
--- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
+++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
@@ -946,7 +946,7 @@ bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
 
 	flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL);
 	if (!flash_attr)
-		return -ENOMEM;
+		return 0;
 
 	fcomp.bnad = bnad;
 	fcomp.comp_status = 0;
@@ -958,7 +958,7 @@ bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
 	if (ret != BFA_STATUS_OK) {
 		spin_unlock_irqrestore(&bnad->bna_lock, flags);
 		kfree(flash_attr);
-		goto out_err;
+		return 0;
 	}
 	spin_unlock_irqrestore(&bnad->bna_lock, flags);
 	wait_for_completion(&fcomp.comp);
@@ -978,8 +978,6 @@ bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
 	}
 	kfree(flash_attr);
 	return flash_part;
-out_err:
-	return -EINVAL;
 }
 
 static int
@@ -1006,7 +1004,7 @@ bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 	/* Query the flash partition based on the offset */
 	flash_part = bnad_get_flash_partition_by_offset(bnad,
 				eeprom->offset, &base_offset);
-	if (flash_part <= 0)
+	if (flash_part == 0)
 		return -EFAULT;
 
 	fcomp.bnad = bnad;
@@ -1048,7 +1046,7 @@ bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 	/* Query the flash partition based on the offset */
 	flash_part = bnad_get_flash_partition_by_offset(bnad,
 				eeprom->offset, &base_offset);
-	if (flash_part <= 0)
+	if (flash_part == 0)
 		return -EFAULT;
 
 	fcomp.bnad = bnad;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index e83d12c7bf20..9d76e59d9526 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -196,6 +196,8 @@ static DEFINE_PCI_DEVICE_TABLE(cxgb4_pci_tbl) = {
 	CH_DEVICE(0x4408, 4),
 	CH_DEVICE(0x4409, 4),
 	CH_DEVICE(0x440a, 4),
+	CH_DEVICE(0x440d, 4),
+	CH_DEVICE(0x440e, 4),
 	{ 0, }
 };
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index e53365a71484..d963c1d57f71 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2892,6 +2892,8 @@ static struct pci_device_id cxgb4vf_pci_tbl[] = {
 	CH_DEVICE(0x4808, 0),	/* T420-cx */
 	CH_DEVICE(0x4809, 0),	/* T420-bt */
 	CH_DEVICE(0x480a, 0),   /* T404-bt */
+	CH_DEVICE(0x480d, 0),   /* T480-cr */
+	CH_DEVICE(0x480e, 0),   /* T440-lp-cr */
 	{ 0, }
 };
 
diff --git a/drivers/net/ethernet/cisco/enic/cq_enet_desc.h b/drivers/net/ethernet/cisco/enic/cq_enet_desc.h
index c2c0680a1146..ac37cacc6136 100644
--- a/drivers/net/ethernet/cisco/enic/cq_enet_desc.h
+++ b/drivers/net/ethernet/cisco/enic/cq_enet_desc.h
@@ -157,7 +157,7 @@ static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc,
 			CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0;
 		*fcoe_enc_error = (desc->flags &
 			CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0;
-		*fcoe_eof = (u8)((desc->checksum_fcoe >>
+		*fcoe_eof = (u8)((le16_to_cpu(desc->checksum_fcoe) >>
 			CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) &
 			CQ_ENET_RQ_DESC_FCOE_EOF_MASK);
 		*checksum = 0;
diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h
index ee93a2087fe6..c52295cd05ef 100644
--- a/drivers/net/ethernet/cisco/enic/enic.h
+++ b/drivers/net/ethernet/cisco/enic/enic.h
@@ -94,7 +94,7 @@ struct enic {
 	u32 rx_coalesce_usecs;
 	u32 tx_coalesce_usecs;
 #ifdef CONFIG_PCI_IOV
-	u32 num_vfs;
+	u16 num_vfs;
 #endif
 	struct enic_port_profile *pp;
 
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index ab3f67f980d8..0e4edd3b6bee 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -2370,7 +2370,7 @@ static int __devinit enic_probe(struct pci_dev *pdev,
 	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
 	if (pos) {
 		pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF,
-			(u16 *)&enic->num_vfs);
+			&enic->num_vfs);
 		if (enic->num_vfs) {
 			err = pci_enable_sriov(pdev, enic->num_vfs);
 			if (err) {
diff --git a/drivers/net/ethernet/cisco/enic/enic_pp.c b/drivers/net/ethernet/cisco/enic/enic_pp.c
index 22bf03a1829e..c347b6236f8f 100644
--- a/drivers/net/ethernet/cisco/enic/enic_pp.c
+++ b/drivers/net/ethernet/cisco/enic/enic_pp.c
@@ -72,7 +72,7 @@ static int enic_set_port_profile(struct enic *enic, int vf)
 	struct enic_port_profile *pp;
 	struct vic_provinfo *vp;
 	const u8 oui[3] = VIC_PROVINFO_CISCO_OUI;
-	const u16 os_type = htons(VIC_GENERIC_PROV_OS_TYPE_LINUX);
+	const __be16 os_type = htons(VIC_GENERIC_PROV_OS_TYPE_LINUX);
 	char uuid_str[38];
 	char client_mac_str[18];
 	u8 *client_mac;
diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c
index 6db6b6ae5e9b..802e5ddef8a8 100644
--- a/drivers/net/ethernet/emulex/benet/be_ethtool.c
+++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c
@@ -716,12 +716,8 @@ static int
 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 {
 	struct be_adapter *adapter = netdev_priv(netdev);
-	char file_name[ETHTOOL_FLASH_MAX_FILENAME];
 
-	file_name[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
-	strcpy(file_name, efl->data);
-
-	return be_load_fw(adapter, file_name);
+	return be_load_fw(adapter, efl->data);
 }
 
 static int
diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
index 7b25e9cf13f6..e92ef1bd732a 100644
--- a/drivers/net/ethernet/freescale/fec.c
+++ b/drivers/net/ethernet/freescale/fec.c
@@ -986,11 +986,11 @@ static int fec_enet_mii_probe(struct net_device *ndev)
 		printk(KERN_INFO
 			"%s: no PHY, assuming direct connection to switch\n",
 			ndev->name);
-		strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE);
+		strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE);
 		phy_id = 0;
 	}
 
-	snprintf(phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
+	snprintf(phy_name, sizeof(phy_name), PHY_ID_FMT, mdio_bus_id, phy_id);
 	phy_dev = phy_connect(ndev, phy_name, &fec_enet_adjust_link, 0,
 			      fep->phy_interface);
 	if (IS_ERR(phy_dev)) {
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index 5d5fb2627184..e6893cdfd13b 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -336,7 +336,9 @@ static struct rtnl_link_stats64 *ehea_get_stats64(struct net_device *dev,
 	stats->tx_bytes = tx_bytes;
 	stats->rx_packets = rx_packets;
 
-	return &port->stats;
+	stats->multicast = port->stats.multicast;
+	stats->rx_errors = port->stats.rx_errors;
+	return stats;
 }
 
 static void ehea_update_stats(struct work_struct *work)
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 669ca3800c01..d94d64b5d695 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -4740,12 +4740,14 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
 		e1000_setup_rctl(adapter);
 		e1000_set_rx_mode(netdev);
 
+		rctl = er32(RCTL);
+
 		/* turn on all-multi mode if wake on multicast is enabled */
-		if (wufc & E1000_WUFC_MC) {
-			rctl = er32(RCTL);
+		if (wufc & E1000_WUFC_MC)
 			rctl |= E1000_RCTL_MPE;
-			ew32(RCTL, rctl);
-		}
+
+		/* enable receives in the hardware */
+		ew32(RCTL, rctl | E1000_RCTL_EN);
 
 		if (hw->mac_type >= e1000_82540) {
 			ctrl = er32(CTRL);
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index e91d73c8aa4e..94be6c32fa7d 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -5012,7 +5012,8 @@ static int igb_find_enabled_vfs(struct igb_adapter *adapter)
 	vf_devfn = pdev->devfn + 0x80;
 	pvfdev = pci_get_device(hw->vendor_id, device_id, NULL);
 	while (pvfdev) {
-		if (pvfdev->devfn == vf_devfn)
+		if (pvfdev->devfn == vf_devfn &&
+		    (pvfdev->bus->number >= pdev->bus->number))
 			vfs_found++;
 		vf_devfn += vf_stride;
 		pvfdev = pci_get_device(hw->vendor_id,
diff --git a/drivers/net/ethernet/intel/igbvf/Makefile b/drivers/net/ethernet/intel/igbvf/Makefile
index 0fa3db3dd8b6..044b0ad5fcb9 100644
--- a/drivers/net/ethernet/intel/igbvf/Makefile
+++ b/drivers/net/ethernet/intel/igbvf/Makefile
@@ -1,7 +1,7 @@
 ################################################################################
 #
 # Intel(R) 82576 Virtual Function Linux driver
-# Copyright(c) 2009 - 2010 Intel Corporation.
+# Copyright(c) 2009 - 2012 Intel Corporation.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/defines.h b/drivers/net/ethernet/intel/igbvf/defines.h
index 79f2604673fe..33f40d3474ae 100644
--- a/drivers/net/ethernet/intel/igbvf/defines.h
+++ b/drivers/net/ethernet/intel/igbvf/defines.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/ethtool.c b/drivers/net/ethernet/intel/igbvf/ethtool.c
index 2dba53446064..db7dce2351c2 100644
--- a/drivers/net/ethernet/intel/igbvf/ethtool.c
+++ b/drivers/net/ethernet/intel/igbvf/ethtool.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/igbvf.h b/drivers/net/ethernet/intel/igbvf/igbvf.h
index fd4a7b780fdd..2c6d87e4d3d9 100644
--- a/drivers/net/ethernet/intel/igbvf/igbvf.h
+++ b/drivers/net/ethernet/intel/igbvf/igbvf.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/mbx.c b/drivers/net/ethernet/intel/igbvf/mbx.c
index 048aae248d06..b4b65bc9fc5d 100644
--- a/drivers/net/ethernet/intel/igbvf/mbx.c
+++ b/drivers/net/ethernet/intel/igbvf/mbx.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/mbx.h b/drivers/net/ethernet/intel/igbvf/mbx.h
index c2883c45d477..24370bcb0e22 100644
--- a/drivers/net/ethernet/intel/igbvf/mbx.h
+++ b/drivers/net/ethernet/intel/igbvf/mbx.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index a4b20c865759..4e9141cfe81d 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -53,7 +53,7 @@ const char igbvf_driver_version[] = DRV_VERSION;
 static const char igbvf_driver_string[] =
 		  "Intel(R) Gigabit Virtual Function Network Driver";
 static const char igbvf_copyright[] =
-		  "Copyright (c) 2009 - 2011 Intel Corporation.";
+		  "Copyright (c) 2009 - 2012 Intel Corporation.";
 
 static int igbvf_poll(struct napi_struct *napi, int budget);
 static void igbvf_reset(struct igbvf_adapter *);
diff --git a/drivers/net/ethernet/intel/igbvf/regs.h b/drivers/net/ethernet/intel/igbvf/regs.h
index 77e18d3d6b15..7dc6341715dc 100644
--- a/drivers/net/ethernet/intel/igbvf/regs.h
+++ b/drivers/net/ethernet/intel/igbvf/regs.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/vf.c b/drivers/net/ethernet/intel/igbvf/vf.c
index af3822f9ea9a..19551977b352 100644
--- a/drivers/net/ethernet/intel/igbvf/vf.c
+++ b/drivers/net/ethernet/intel/igbvf/vf.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/vf.h b/drivers/net/ethernet/intel/igbvf/vf.h
index d7ed58fcd9bb..57db3c68dfcd 100644
--- a/drivers/net/ethernet/intel/igbvf/vf.h
+++ b/drivers/net/ethernet/intel/igbvf/vf.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/Makefile b/drivers/net/ethernet/intel/ixgbe/Makefile
index 7d7387fbdecd..7a16177a12a5 100644
--- a/drivers/net/ethernet/intel/ixgbe/Makefile
+++ b/drivers/net/ethernet/intel/ixgbe/Makefile
@@ -1,7 +1,7 @@
 ################################################################################
 #
 # Intel 10 Gigabit PCI Express Linux driver
-# Copyright(c) 1999 - 2010 Intel Corporation.
+# Copyright(c) 1999 - 2012 Intel Corporation.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 258164d6d45a..e6aeb64105a4 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
index ef2afefb0cd4..b406c367b190 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
index 772072147bea..4e59083a3de2 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index a3aa6333073f..383b9413292e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
index 863f9c1f145b..2c834c46bba1 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -75,7 +75,7 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw,
 s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw);
 s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw);
 s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval);
-s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packtetbuf_num);
+s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num);
 s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw);
 
 s32 ixgbe_validate_mac_addr(u8 *mac_addr);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c
index 318caf4bf623..8bfaaee5ac5b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h
index e162775064da..24333b718166 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c
index fcd0e479721f..d3695edfcb8b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h
index 2f318935561a..ba835708fcac 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c
index 32cd97bc794d..888a419dc3d9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h
index a59d5dc59d04..4dec47faeb00 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
index da31735311f1..79a92fe987b9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -112,6 +112,8 @@ static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
 static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 {
 	u8 err = 0;
+	u8 prio_tc[MAX_USER_PRIORITY] = {0};
+	int i;
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 
 	/* Fail command if not in CEE mode */
@@ -122,10 +124,15 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 	if (!!state != !(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
 		return err;
 
-	if (state > 0)
+	if (state > 0) {
 		err = ixgbe_setup_tc(netdev, adapter->dcb_cfg.num_tcs.pg_tcs);
-	else
+		ixgbe_dcb_unpack_map(&adapter->dcb_cfg, DCB_TX_CONFIG, prio_tc);
+	} else {
 		err = ixgbe_setup_tc(netdev, 0);
+	}
+
+	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
+		netdev_set_prio_tc_map(netdev, i, prio_tc[i]);
 
 	return err;
 }
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index da7e580f517a..a62975480e37 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -58,7 +58,7 @@ struct ixgbe_stats {
 				sizeof(((struct rtnl_link_stats64 *)0)->m), \
 				offsetof(struct rtnl_link_stats64, m)
 
-static struct ixgbe_stats ixgbe_gstrings_stats[] = {
+static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
 	{"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
 	{"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
 	{"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
@@ -120,19 +120,23 @@ static struct ixgbe_stats ixgbe_gstrings_stats[] = {
 #endif /* IXGBE_FCOE */
 };
 
-#define IXGBE_QUEUE_STATS_LEN \
-	((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
-	((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
+/* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
+ * we set the num_rx_queues to evaluate to num_tx_queues. This is
+ * used because we do not have a good way to get the max number of
+ * rx queues with CONFIG_RPS disabled.
+ */
+#define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
+
+#define IXGBE_QUEUE_STATS_LEN ( \
+	(netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
 	(sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 #define IXGBE_PB_STATS_LEN ( \
-                 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
-                 IXGBE_FLAG_DCB_ENABLED) ? \
-                 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
-                  sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
-                  sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
-                  sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
-                  / sizeof(u64) : 0)
+			(sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
+			 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
+			 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
+			 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
+			/ sizeof(u64))
 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
                          IXGBE_PB_STATS_LEN + \
                          IXGBE_QUEUE_STATS_LEN)
@@ -1078,8 +1082,15 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 		data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 		           sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 	}
-	for (j = 0; j < adapter->num_tx_queues; j++) {
+	for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
 		ring = adapter->tx_ring[j];
+		if (!ring) {
+			data[i] = 0;
+			data[i+1] = 0;
+			i += 2;
+			continue;
+		}
+
 		do {
 			start = u64_stats_fetch_begin_bh(&ring->syncp);
 			data[i]   = ring->stats.packets;
@@ -1087,8 +1098,15 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 		} while (u64_stats_fetch_retry_bh(&ring->syncp, start));
 		i += 2;
 	}
-	for (j = 0; j < adapter->num_rx_queues; j++) {
+	for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
 		ring = adapter->rx_ring[j];
+		if (!ring) {
+			data[i] = 0;
+			data[i+1] = 0;
+			i += 2;
+			continue;
+		}
+
 		do {
 			start = u64_stats_fetch_begin_bh(&ring->syncp);
 			data[i]   = ring->stats.packets;
@@ -1096,22 +1114,20 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 		} while (u64_stats_fetch_retry_bh(&ring->syncp, start));
 		i += 2;
 	}
-	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
-		for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
-			data[i++] = adapter->stats.pxontxc[j];
-			data[i++] = adapter->stats.pxofftxc[j];
-		}
-		for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
-			data[i++] = adapter->stats.pxonrxc[j];
-			data[i++] = adapter->stats.pxoffrxc[j];
-		}
+
+	for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
+		data[i++] = adapter->stats.pxontxc[j];
+		data[i++] = adapter->stats.pxofftxc[j];
+	}
+	for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
+		data[i++] = adapter->stats.pxonrxc[j];
+		data[i++] = adapter->stats.pxoffrxc[j];
 	}
 }
 
 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
                               u8 *data)
 {
-	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	char *p = (char *)data;
 	int i;
 
@@ -1126,31 +1142,29 @@ static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
 			       ETH_GSTRING_LEN);
 			p += ETH_GSTRING_LEN;
 		}
-		for (i = 0; i < adapter->num_tx_queues; i++) {
+		for (i = 0; i < netdev->num_tx_queues; i++) {
 			sprintf(p, "tx_queue_%u_packets", i);
 			p += ETH_GSTRING_LEN;
 			sprintf(p, "tx_queue_%u_bytes", i);
 			p += ETH_GSTRING_LEN;
 		}
-		for (i = 0; i < adapter->num_rx_queues; i++) {
+		for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
 			sprintf(p, "rx_queue_%u_packets", i);
 			p += ETH_GSTRING_LEN;
 			sprintf(p, "rx_queue_%u_bytes", i);
 			p += ETH_GSTRING_LEN;
 		}
-		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
-			for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
-				sprintf(p, "tx_pb_%u_pxon", i);
-				p += ETH_GSTRING_LEN;
-				sprintf(p, "tx_pb_%u_pxoff", i);
-				p += ETH_GSTRING_LEN;
-			}
-			for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
-				sprintf(p, "rx_pb_%u_pxon", i);
-				p += ETH_GSTRING_LEN;
-				sprintf(p, "rx_pb_%u_pxoff", i);
-				p += ETH_GSTRING_LEN;
-			}
+		for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
+			sprintf(p, "tx_pb_%u_pxon", i);
+			p += ETH_GSTRING_LEN;
+			sprintf(p, "tx_pb_%u_pxoff", i);
+			p += ETH_GSTRING_LEN;
+		}
+		for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
+			sprintf(p, "rx_pb_%u_pxon", i);
+			p += ETH_GSTRING_LEN;
+			sprintf(p, "rx_pb_%u_pxoff", i);
+			p += ETH_GSTRING_LEN;
 		}
 		/* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
 		break;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
index d18d6157dd2c..4bc794249801 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h
index 261fd62dda18..1dbed17c8107 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 1ee5d0fbb905..3dc6cef58107 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -64,7 +64,7 @@ char ixgbe_default_device_descr[] =
 	__stringify(BUILD) "-k"
 const char ixgbe_driver_version[] = DRV_VERSION;
 static const char ixgbe_copyright[] =
-				"Copyright (c) 1999-2011 Intel Corporation.";
+				"Copyright (c) 1999-2012 Intel Corporation.";
 
 static const struct ixgbe_info *ixgbe_info_tbl[] = {
 	[board_82598] = &ixgbe_82598_info,
@@ -2633,22 +2633,22 @@ static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter,
 	/*
 	 * we must limit the number of descriptors so that the
 	 * total size of max desc * buf_len is not greater
-	 * than 65535
+	 * than 65536
 	 */
 	if (ring_is_ps_enabled(ring)) {
-#if (MAX_SKB_FRAGS > 16)
+#if (PAGE_SIZE < 8192)
 		rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-#elif (MAX_SKB_FRAGS > 8)
+#elif (PAGE_SIZE < 16384)
 		rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
-#elif (MAX_SKB_FRAGS > 4)
+#elif (PAGE_SIZE < 32768)
 		rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
 #else
 		rscctrl |= IXGBE_RSCCTL_MAXDESC_1;
 #endif
 	} else {
-		if (rx_buf_len < IXGBE_RXBUFFER_4K)
+		if (rx_buf_len <= IXGBE_RXBUFFER_4K)
 			rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-		else if (rx_buf_len < IXGBE_RXBUFFER_8K)
+		else if (rx_buf_len <= IXGBE_RXBUFFER_8K)
 			rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
 		else
 			rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
@@ -2830,7 +2830,7 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
 	IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl | vt_reg_bits);
 
 	vf_shift = adapter->num_vfs % 32;
-	reg_offset = (adapter->num_vfs > 32) ? 1 : 0;
+	reg_offset = (adapter->num_vfs >= 32) ? 1 : 0;
 
 	/* Enable only the PF's pool for Tx/Rx */
 	IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (1 << vf_shift));
@@ -4330,6 +4330,10 @@ static int ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
 	adapter->num_tx_queues = 1;
 
 done:
+	if ((adapter->netdev->reg_state == NETREG_UNREGISTERED) ||
+	    (adapter->netdev->reg_state == NETREG_UNREGISTERING))
+		return 0;
+
 	/* Notify the stack of the (possibly) reduced queue counts. */
 	netif_set_real_num_tx_queues(adapter->netdev, adapter->num_tx_queues);
 	return netif_set_real_num_rx_queues(adapter->netdev,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
index 3f725d48336d..1f3e32b576a5 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
index b239bdac38da..310bdd961075 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 7cf1e1f56c69..b91773551a38 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
index 197bdd13106a..cc18165b4c05 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index cf6812dd1436..b01ecb4d2bb1 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -67,7 +67,8 @@ static int ixgbe_find_enabled_vfs(struct ixgbe_adapter *adapter)
 	vf_devfn = pdev->devfn + 0x80;
 	pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID, device_id, NULL);
 	while (pvfdev) {
-		if (pvfdev->devfn == vf_devfn)
+		if (pvfdev->devfn == vf_devfn &&
+		    (pvfdev->bus->number >= pdev->bus->number))
 			vfs_found++;
 		vf_devfn += 2;
 		pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID,
@@ -646,6 +647,9 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
 			ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false);
 		retval = ixgbe_set_vf_macvlan(adapter, vf, index,
 					      (unsigned char *)(&msgbuf[1]));
+		if (retval == -ENOSPC)
+			e_warn(drv, "VF %d has requested a MACVLAN filter "
+				    "but there is no space for it\n", vf);
 		break;
 	default:
 		e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h
index e8badab03359..2ab38d5fda92 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
index 775602ef90e5..9b95bef60970 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
index 8cc5eccfd651..f838a2be8cfb 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/Makefile b/drivers/net/ethernet/intel/ixgbevf/Makefile
index 1f35d229e71a..4ce4c97ef5ad 100644
--- a/drivers/net/ethernet/intel/ixgbevf/Makefile
+++ b/drivers/net/ethernet/intel/ixgbevf/Makefile
@@ -1,7 +1,7 @@
 ################################################################################
 #
 # Intel 82599 Virtual Function driver
-# Copyright(c) 1999 - 2010 Intel Corporation.
+# Copyright(c) 1999 - 2012 Intel Corporation.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/defines.h b/drivers/net/ethernet/intel/ixgbevf/defines.h
index 2eb89cb94a0d..947b5c830735 100644
--- a/drivers/net/ethernet/intel/ixgbevf/defines.h
+++ b/drivers/net/ethernet/intel/ixgbevf/defines.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
index c85700318147..2bfe0d1d7958 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2009 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index 9075c1d61039..dfed420a1bf6 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index bed411bada21..e51d552410ae 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -60,7 +60,7 @@ static const char ixgbevf_driver_string[] =
 #define DRV_VERSION "2.2.0-k"
 const char ixgbevf_driver_version[] = DRV_VERSION;
 static char ixgbevf_copyright[] =
-	"Copyright (c) 2009 - 2010 Intel Corporation.";
+	"Copyright (c) 2009 - 2012 Intel Corporation.";
 
 static const struct ixgbevf_info *ixgbevf_info_tbl[] = {
 	[board_82599_vf] = &ixgbevf_82599_vf_info,
@@ -935,7 +935,11 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data)
 		if (msg & IXGBE_VT_MSGTYPE_NACK)
 			pr_warn("Last Request of type %2.2x to PF Nacked\n",
 				msg & 0xFF);
-		goto out;
+		/*
+		 * Restore the PFSTS bit in case someone is polling for a
+		 * return message from the PF
+		 */
+		hw->mbx.v2p_mailbox |= IXGBE_VFMAILBOX_PFSTS;
 	}
 
 	/*
@@ -945,7 +949,7 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data)
 	 */
 	if (got_ack)
 		hw->mbx.v2p_mailbox |= IXGBE_VFMAILBOX_PFACK;
-out:
+
 	return IRQ_HANDLED;
 }
 
diff --git a/drivers/net/ethernet/intel/ixgbevf/mbx.c b/drivers/net/ethernet/intel/ixgbevf/mbx.c
index 13532d9ba72d..9c955900fe64 100644
--- a/drivers/net/ethernet/intel/ixgbevf/mbx.c
+++ b/drivers/net/ethernet/intel/ixgbevf/mbx.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/mbx.h b/drivers/net/ethernet/intel/ixgbevf/mbx.h
index 9d38a94a348a..cf9131c5c115 100644
--- a/drivers/net/ethernet/intel/ixgbevf/mbx.h
+++ b/drivers/net/ethernet/intel/ixgbevf/mbx.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/regs.h b/drivers/net/ethernet/intel/ixgbevf/regs.h
index 5e4d5e5cdf38..debd8c0e1f28 100644
--- a/drivers/net/ethernet/intel/ixgbevf/regs.h
+++ b/drivers/net/ethernet/intel/ixgbevf/regs.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c
index d0138d7a31a1..74be7411242a 100644
--- a/drivers/net/ethernet/intel/ixgbevf/vf.c
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -283,6 +283,17 @@ static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr,
 	return ret_val;
 }
 
+static void ixgbevf_write_msg_read_ack(struct ixgbe_hw *hw,
+					u32 *msg, u16 size)
+{
+	struct ixgbe_mbx_info *mbx = &hw->mbx;
+	u32 retmsg[IXGBE_VFMAILBOX_SIZE];
+	s32 retval = mbx->ops.write_posted(hw, msg, size);
+
+	if (!retval)
+		mbx->ops.read_posted(hw, retmsg, size);
+}
+
 /**
  *  ixgbevf_update_mc_addr_list_vf - Update Multicast addresses
  *  @hw: pointer to the HW structure
@@ -294,7 +305,6 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw,
 					  struct net_device *netdev)
 {
 	struct netdev_hw_addr *ha;
-	struct ixgbe_mbx_info *mbx = &hw->mbx;
 	u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
 	u16 *vector_list = (u16 *)&msgbuf[1];
 	u32 cnt, i;
@@ -321,7 +331,7 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw,
 		vector_list[i++] = ixgbevf_mta_vector(hw, ha->addr);
 	}
 
-	mbx->ops.write_posted(hw, msgbuf, IXGBE_VFMAILBOX_SIZE);
+	ixgbevf_write_msg_read_ack(hw, msgbuf, IXGBE_VFMAILBOX_SIZE);
 
 	return 0;
 }
@@ -336,7 +346,6 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw,
 static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind,
 			       bool vlan_on)
 {
-	struct ixgbe_mbx_info *mbx = &hw->mbx;
 	u32 msgbuf[2];
 
 	msgbuf[0] = IXGBE_VF_SET_VLAN;
@@ -344,7 +353,9 @@ static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind,
 	/* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
 	msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT;
 
-	return mbx->ops.write_posted(hw, msgbuf, 2);
+	ixgbevf_write_msg_read_ack(hw, msgbuf, 2);
+
+	return 0;
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.h b/drivers/net/ethernet/intel/ixgbevf/vf.h
index d556619a9212..25c951daee5d 100644
--- a/drivers/net/ethernet/intel/ixgbevf/vf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 27d651a80f3f..55cbf65512c3 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -2328,19 +2328,11 @@ jme_change_mtu(struct net_device *netdev, int new_mtu)
 		((new_mtu) < IPV6_MIN_MTU))
 		return -EINVAL;
 
-	if (new_mtu > 4000) {
-		jme->reg_rxcs &= ~RXCS_FIFOTHNP;
-		jme->reg_rxcs |= RXCS_FIFOTHNP_64QW;
-		jme_restart_rx_engine(jme);
-	} else {
-		jme->reg_rxcs &= ~RXCS_FIFOTHNP;
-		jme->reg_rxcs |= RXCS_FIFOTHNP_128QW;
-		jme_restart_rx_engine(jme);
-	}
 
 	netdev->mtu = new_mtu;
 	netdev_update_features(netdev);
 
+	jme_restart_rx_engine(jme);
 	jme_reset_link(jme);
 
 	return 0;
diff --git a/drivers/net/ethernet/jme.h b/drivers/net/ethernet/jme.h
index 4304072bd3c5..3efc897c9913 100644
--- a/drivers/net/ethernet/jme.h
+++ b/drivers/net/ethernet/jme.h
@@ -730,7 +730,7 @@ enum jme_rxcs_values {
 	RXCS_RETRYCNT_60	= 0x00000F00,
 
 	RXCS_DEFAULT		= RXCS_FIFOTHTP_128T |
-				  RXCS_FIFOTHNP_128QW |
+				  RXCS_FIFOTHNP_16QW |
 				  RXCS_DMAREQSZ_128B |
 				  RXCS_RETRYGAP_256ns |
 				  RXCS_RETRYCNT_32,
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index edb9bda55d55..33947ac595c0 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -931,20 +931,17 @@ static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u32 base)
 }
 
 /* Allocate and setup a new buffer for receiving */
-static int skge_rx_setup(struct pci_dev *pdev,
-			 struct skge_element *e,
-			 struct sk_buff *skb, unsigned int bufsize)
+static void skge_rx_setup(struct skge_port *skge, struct skge_element *e,
+			  struct sk_buff *skb, unsigned int bufsize)
 {
 	struct skge_rx_desc *rd = e->desc;
-	dma_addr_t map;
+	u64 map;
 
-	map = pci_map_single(pdev, skb->data, bufsize,
+	map = pci_map_single(skge->hw->pdev, skb->data, bufsize,
 			     PCI_DMA_FROMDEVICE);
-	if (pci_dma_mapping_error(pdev, map))
-		goto mapping_error;
 
-	rd->dma_lo = lower_32_bits(map);
-	rd->dma_hi = upper_32_bits(map);
+	rd->dma_lo = map;
+	rd->dma_hi = map >> 32;
 	e->skb = skb;
 	rd->csum1_start = ETH_HLEN;
 	rd->csum2_start = ETH_HLEN;
@@ -956,13 +953,6 @@ static int skge_rx_setup(struct pci_dev *pdev,
 	rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | bufsize;
 	dma_unmap_addr_set(e, mapaddr, map);
 	dma_unmap_len_set(e, maplen, bufsize);
-	return 0;
-
-mapping_error:
-	if (net_ratelimit())
-		dev_warn(&pdev->dev, "%s: rx mapping error\n",
-			 skb->dev->name);
-	return -EIO;
 }
 
 /* Resume receiving using existing skb,
@@ -1024,11 +1014,7 @@ static int skge_rx_fill(struct net_device *dev)
 			return -ENOMEM;
 
 		skb_reserve(skb, NET_IP_ALIGN);
-		if (skge_rx_setup(skge->hw->pdev, e, skb, skge->rx_buf_size)) {
-			kfree_skb(skb);
-			return -ENOMEM;
-		}
-
+		skge_rx_setup(skge, e, skb, skge->rx_buf_size);
 	} while ((e = e->next) != ring->start);
 
 	ring->to_clean = ring->start;
@@ -2743,7 +2729,7 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
 	struct skge_tx_desc *td;
 	int i;
 	u32 control, len;
-	dma_addr_t map;
+	u64 map;
 
 	if (skb_padto(skb, ETH_ZLEN))
 		return NETDEV_TX_OK;
@@ -2757,14 +2743,11 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
 	e->skb = skb;
 	len = skb_headlen(skb);
 	map = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE);
-	if (pci_dma_mapping_error(hw->pdev, map))
-		goto mapping_error;
-
 	dma_unmap_addr_set(e, mapaddr, map);
 	dma_unmap_len_set(e, maplen, len);
 
-	td->dma_lo = lower_32_bits(map);
-	td->dma_hi = upper_32_bits(map);
+	td->dma_lo = map;
+	td->dma_hi = map >> 32;
 
 	if (skb->ip_summed == CHECKSUM_PARTIAL) {
 		const int offset = skb_checksum_start_offset(skb);
@@ -2795,16 +2778,14 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
 
 			map = skb_frag_dma_map(&hw->pdev->dev, frag, 0,
 					       skb_frag_size(frag), DMA_TO_DEVICE);
-			if (dma_mapping_error(&hw->pdev->dev, map))
-				goto mapping_unwind;
 
 			e = e->next;
 			e->skb = skb;
 			tf = e->desc;
 			BUG_ON(tf->control & BMU_OWN);
 
-			tf->dma_lo = lower_32_bits(map);
-			tf->dma_hi = upper_32_bits(map);
+			tf->dma_lo = map;
+			tf->dma_hi = (u64) map >> 32;
 			dma_unmap_addr_set(e, mapaddr, map);
 			dma_unmap_len_set(e, maplen, skb_frag_size(frag));
 
@@ -2834,28 +2815,6 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
 	}
 
 	return NETDEV_TX_OK;
-
-mapping_unwind:
-	/* unroll any pages that were already mapped.  */
-	if (e != skge->tx_ring.to_use) {
-		struct skge_element *u;
-
-		for (u = skge->tx_ring.to_use->next; u != e; u = u->next)
-			pci_unmap_page(hw->pdev, dma_unmap_addr(u, mapaddr),
-				       dma_unmap_len(u, maplen),
-				       PCI_DMA_TODEVICE);
-		e = skge->tx_ring.to_use;
-	}
-	/* undo the mapping for the skb header */
-	pci_unmap_single(hw->pdev, dma_unmap_addr(e, mapaddr),
-			 dma_unmap_len(e, maplen),
-			 PCI_DMA_TODEVICE);
-mapping_error:
-	/* mapping error causes error message and packet to be discarded. */
-	if (net_ratelimit())
-		dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name);
-	dev_kfree_skb(skb);
-	return NETDEV_TX_OK;
 }
 
 
@@ -3099,17 +3058,13 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
 		if (!nskb)
 			goto resubmit;
 
-		if (unlikely(skge_rx_setup(skge->hw->pdev, e, nskb, skge->rx_buf_size))) {
-			dev_kfree_skb(nskb);
-			goto resubmit;
-		}
-
 		pci_unmap_single(skge->hw->pdev,
 				 dma_unmap_addr(e, mapaddr),
 				 dma_unmap_len(e, maplen),
 				 PCI_DMA_FROMDEVICE);
 		skb = e->skb;
 		prefetch(skb->data);
+		skge_rx_setup(skge, e, nskb, skge->rx_buf_size);
 	}
 
 	skb_put(skb, len);
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 405e6ac3faf6..eaf09d4f02d0 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -1616,12 +1616,12 @@ void mlx4_multi_func_cleanup(struct mlx4_dev *dev)
 				kfree(priv->mfunc.master.slave_state[i].vlan_filter[port]);
 		}
 		kfree(priv->mfunc.master.slave_state);
-		iounmap(priv->mfunc.comm);
-		dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
-						     priv->mfunc.vhcr,
-						     priv->mfunc.vhcr_dma);
-		priv->mfunc.vhcr = NULL;
 	}
+
+	iounmap(priv->mfunc.comm);
+	dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
+		     priv->mfunc.vhcr, priv->mfunc.vhcr_dma);
+	priv->mfunc.vhcr = NULL;
 }
 
 void mlx4_cmd_cleanup(struct mlx4_dev *dev)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 467ae5824875..149e60da0a32 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -892,7 +892,8 @@ void mlx4_en_free_resources(struct mlx4_en_priv *priv)
 
 	for (i = 0; i < priv->rx_ring_num; i++) {
 		if (priv->rx_ring[i].rx_info)
-			mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i]);
+			mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i],
+				priv->prof->rx_ring_size, priv->stride);
 		if (priv->rx_cq[i].buf)
 			mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
 	}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 971d4b6b8dfe..d4ad8c226b51 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -168,8 +168,12 @@ static int mlx4_en_prepare_rx_desc(struct mlx4_en_priv *priv,
 	return 0;
 
 err:
-	while (i--)
+	while (i--) {
+		dma_addr_t dma = be64_to_cpu(rx_desc->data[i].addr);
+		pci_unmap_single(priv->mdev->pdev, dma, skb_frags[i].size,
+				 PCI_DMA_FROMDEVICE);
 		put_page(skb_frags[i].page);
+	}
 	return -ENOMEM;
 }
 
@@ -380,12 +384,12 @@ err_allocator:
 }
 
 void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
-			     struct mlx4_en_rx_ring *ring)
+			     struct mlx4_en_rx_ring *ring, u32 size, u16 stride)
 {
 	struct mlx4_en_dev *mdev = priv->mdev;
 
 	mlx4_en_unmap_buffer(&ring->wqres.buf);
-	mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size + TXBB_SIZE);
+	mlx4_free_hwq_res(mdev->dev, &ring->wqres, size * stride + TXBB_SIZE);
 	vfree(ring->rx_info);
 	ring->rx_info = NULL;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c
index 55d7bd4e210a..9129ace02560 100644
--- a/drivers/net/ethernet/mellanox/mlx4/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/eq.c
@@ -815,8 +815,9 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
 	int err;
 	int i;
 
-	priv->eq_table.uar_map = kcalloc(sizeof *priv->eq_table.uar_map,
-					 mlx4_num_eq_uar(dev), GFP_KERNEL);
+	priv->eq_table.uar_map = kcalloc(mlx4_num_eq_uar(dev),
+					 sizeof *priv->eq_table.uar_map,
+					 GFP_KERNEL);
 	if (!priv->eq_table.uar_map) {
 		err = -ENOMEM;
 		goto err_out_free;
@@ -1035,7 +1036,7 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char* name, int * vector)
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	int vec = 0, err = 0, i;
 
-	spin_lock(&priv->msix_ctl.pool_lock);
+	mutex_lock(&priv->msix_ctl.pool_lock);
 	for (i = 0; !vec && i < dev->caps.comp_pool; i++) {
 		if (~priv->msix_ctl.pool_bm & 1ULL << i) {
 			priv->msix_ctl.pool_bm |= 1ULL << i;
@@ -1057,7 +1058,7 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char* name, int * vector)
 			eq_set_ci(&priv->eq_table.eq[vec], 1);
 		}
 	}
-	spin_unlock(&priv->msix_ctl.pool_lock);
+	mutex_unlock(&priv->msix_ctl.pool_lock);
 
 	if (vec) {
 		*vector = vec;
@@ -1078,13 +1079,13 @@ void mlx4_release_eq(struct mlx4_dev *dev, int vec)
 	if (likely(i >= 0)) {
 		/*sanity check , making sure were not trying to free irq's
 		  Belonging to a legacy EQ*/
-		spin_lock(&priv->msix_ctl.pool_lock);
+		mutex_lock(&priv->msix_ctl.pool_lock);
 		if (priv->msix_ctl.pool_bm & 1ULL << i) {
 			free_irq(priv->eq_table.eq[vec].irq,
 				 &priv->eq_table.eq[vec]);
 			priv->msix_ctl.pool_bm &= ~(1ULL << i);
 		}
-		spin_unlock(&priv->msix_ctl.pool_lock);
+		mutex_unlock(&priv->msix_ctl.pool_lock);
 	}
 
 }
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 8a21e10952ea..9ea7cabcaf3c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -685,7 +685,7 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
 	return err;
 }
 
-static int mlx4_QUERY_PORT(struct mlx4_dev *dev, void *ptr, u8 port)
+int mlx4_QUERY_PORT(struct mlx4_dev *dev, void *ptr, u8 port)
 {
 	struct mlx4_cmd_mailbox *outbox = ptr;
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 678558b502fc..d498f049c74e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -531,15 +531,14 @@ int mlx4_change_port_types(struct mlx4_dev *dev,
 	for (port = 0; port <  dev->caps.num_ports; port++) {
 		/* Change the port type only if the new type is different
 		 * from the current, and not set to Auto */
-		if (port_types[port] != dev->caps.port_type[port + 1]) {
+		if (port_types[port] != dev->caps.port_type[port + 1])
 			change = 1;
-			dev->caps.port_type[port + 1] = port_types[port];
-		}
 	}
 	if (change) {
 		mlx4_unregister_device(dev);
 		for (port = 1; port <= dev->caps.num_ports; port++) {
 			mlx4_CLOSE_PORT(dev, port);
+			dev->caps.port_type[port] = port_types[port - 1];
 			err = mlx4_SET_PORT(dev, port);
 			if (err) {
 				mlx4_err(dev, "Failed to set port %d, "
@@ -986,6 +985,9 @@ static int map_bf_area(struct mlx4_dev *dev)
 	resource_size_t bf_len;
 	int err = 0;
 
+	if (!dev->caps.bf_reg_size)
+		return -ENXIO;
+
 	bf_start = pci_resource_start(dev->pdev, 2) +
 			(dev->caps.num_uars << PAGE_SHIFT);
 	bf_len = pci_resource_len(dev->pdev, 2) -
@@ -1825,7 +1827,7 @@ slave_start:
 		goto err_master_mfunc;
 
 	priv->msix_ctl.pool_bm = 0;
-	spin_lock_init(&priv->msix_ctl.pool_lock);
+	mutex_init(&priv->msix_ctl.pool_lock);
 
 	mlx4_enable_msi_x(dev);
 	if ((mlx4_is_mfunc(dev)) &&
diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index 0785d9b2a265..ca574d850b39 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -136,7 +136,7 @@ static int new_steering_entry(struct mlx4_dev *dev, u8 port,
 	u32 prot;
 	int err;
 
-	s_steer = &mlx4_priv(dev)->steer[0];
+	s_steer = &mlx4_priv(dev)->steer[port - 1];
 	new_entry = kzalloc(sizeof *new_entry, GFP_KERNEL);
 	if (!new_entry)
 		return -ENOMEM;
@@ -220,7 +220,7 @@ static int existing_steering_entry(struct mlx4_dev *dev, u8 port,
 	struct mlx4_promisc_qp *pqp;
 	struct mlx4_promisc_qp *dqp;
 
-	s_steer = &mlx4_priv(dev)->steer[0];
+	s_steer = &mlx4_priv(dev)->steer[port - 1];
 
 	pqp = get_promisc_qp(dev, 0, steer, qpn);
 	if (!pqp)
@@ -265,7 +265,7 @@ static bool check_duplicate_entry(struct mlx4_dev *dev, u8 port,
 	struct mlx4_steer_index *tmp_entry, *entry = NULL;
 	struct mlx4_promisc_qp *dqp, *tmp_dqp;
 
-	s_steer = &mlx4_priv(dev)->steer[0];
+	s_steer = &mlx4_priv(dev)->steer[port - 1];
 
 	/* if qp is not promisc, it cannot be duplicated */
 	if (!get_promisc_qp(dev, 0, steer, qpn))
@@ -306,7 +306,7 @@ static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port,
 	bool ret = false;
 	int i;
 
-	s_steer = &mlx4_priv(dev)->steer[0];
+	s_steer = &mlx4_priv(dev)->steer[port - 1];
 
 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 	if (IS_ERR(mailbox))
@@ -361,7 +361,7 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port,
 	int err;
 	struct mlx4_priv *priv = mlx4_priv(dev);
 
-	s_steer = &mlx4_priv(dev)->steer[0];
+	s_steer = &mlx4_priv(dev)->steer[port - 1];
 
 	mutex_lock(&priv->mcg_table.mutex);
 
@@ -466,7 +466,7 @@ static int remove_promisc_qp(struct mlx4_dev *dev, u8 port,
 	int loc, i;
 	int err;
 
-	s_steer = &mlx4_priv(dev)->steer[0];
+	s_steer = &mlx4_priv(dev)->steer[port - 1];
 	mutex_lock(&priv->mcg_table.mutex);
 
 	pqp = get_promisc_qp(dev, 0, steer, qpn);
@@ -1004,7 +1004,7 @@ EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_remove);
 
 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port)
 {
-	if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER))
+	if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
 		return 0;
 
 	if (mlx4_is_mfunc(dev))
@@ -1016,7 +1016,7 @@ EXPORT_SYMBOL_GPL(mlx4_unicast_promisc_add);
 
 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port)
 {
-	if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER))
+	if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
 		return 0;
 
 	if (mlx4_is_mfunc(dev))
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index c92269f8c057..28f8251561f4 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -697,7 +697,7 @@ struct mlx4_sense {
 
 struct mlx4_msix_ctl {
 	u64		pool_bm;
-	spinlock_t	pool_lock;
+	struct mutex	pool_lock;
 };
 
 struct mlx4_steer {
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 35f08840813c..d60335f3c473 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -528,7 +528,8 @@ int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
 			   struct mlx4_en_rx_ring *ring,
 			   u32 size, u16 stride);
 void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
-			     struct mlx4_en_rx_ring *ring);
+			     struct mlx4_en_rx_ring *ring,
+			     u32 size, u16 stride);
 int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv);
 void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
 				struct mlx4_en_rx_ring *ring);
diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c
index 8deeef98280c..25a80d71fb2a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
@@ -304,7 +304,7 @@ static int mlx4_HW2SW_MPT(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox
 			    MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
 }
 
-static int mlx4_mr_reserve_range(struct mlx4_dev *dev, int cnt, int align,
+int mlx4_mr_reserve_range(struct mlx4_dev *dev, int cnt, int align,
 			  u32 *base_mridx)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
@@ -320,14 +320,14 @@ static int mlx4_mr_reserve_range(struct mlx4_dev *dev, int cnt, int align,
 }
 EXPORT_SYMBOL_GPL(mlx4_mr_reserve_range);
 
-static void mlx4_mr_release_range(struct mlx4_dev *dev, u32 base_mridx, int cnt)
+void mlx4_mr_release_range(struct mlx4_dev *dev, u32 base_mridx, int cnt)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	mlx4_bitmap_free_range(&priv->mr_table.mpt_bitmap, base_mridx, cnt);
 }
 EXPORT_SYMBOL_GPL(mlx4_mr_release_range);
 
-static int mlx4_mr_alloc_reserved(struct mlx4_dev *dev, u32 mridx, u32 pd,
+int mlx4_mr_alloc_reserved(struct mlx4_dev *dev, u32 mridx, u32 pd,
 			   u64 iova, u64 size, u32 access, int npages,
 			   int page_shift, struct mlx4_mr *mr)
 {
@@ -457,7 +457,7 @@ int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
 }
 EXPORT_SYMBOL_GPL(mlx4_mr_alloc);
 
-static void mlx4_mr_free_reserved(struct mlx4_dev *dev, struct mlx4_mr *mr)
+void mlx4_mr_free_reserved(struct mlx4_dev *dev, struct mlx4_mr *mr)
 {
 	int err;
 
@@ -852,7 +852,7 @@ err_free:
 }
 EXPORT_SYMBOL_GPL(mlx4_fmr_alloc);
 
-static int mlx4_fmr_alloc_reserved(struct mlx4_dev *dev, u32 mridx,
+int mlx4_fmr_alloc_reserved(struct mlx4_dev *dev, u32 mridx,
 			    u32 pd, u32 access, int max_pages,
 			    int max_maps, u8 page_shift, struct mlx4_fmr *fmr)
 {
@@ -954,7 +954,7 @@ int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr)
 }
 EXPORT_SYMBOL_GPL(mlx4_fmr_free);
 
-static int mlx4_fmr_free_reserved(struct mlx4_dev *dev, struct mlx4_fmr *fmr)
+int mlx4_fmr_free_reserved(struct mlx4_dev *dev, struct mlx4_fmr *fmr)
 {
 	if (fmr->maps)
 		return -EBUSY;
diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c
index 738f950a1ce5..fb2b36759cbf 100644
--- a/drivers/net/ethernet/mellanox/mlx4/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx4/qp.c
@@ -151,11 +151,6 @@ static int __mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
 		context->log_page_size   = mtt->page_shift - MLX4_ICM_PAGE_SHIFT;
 	}
 
-	port = ((context->pri_path.sched_queue >> 6) & 1) + 1;
-	if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH)
-		context->pri_path.sched_queue = (context->pri_path.sched_queue &
-						0xc3);
-
 	*(__be32 *) mailbox->buf = cpu_to_be32(optpar);
 	memcpy(mailbox->buf + 8, context, sizeof *context);
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index dcd819bfb2f0..8752e6e08169 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -73,6 +73,7 @@ struct res_gid {
 	struct list_head	list;
 	u8			gid[16];
 	enum mlx4_protocol	prot;
+	enum mlx4_steer_type	steer;
 };
 
 enum res_qp_states {
@@ -374,6 +375,7 @@ static struct res_common *alloc_qp_tr(int id)
 
 	ret->com.res_id = id;
 	ret->com.state = RES_QP_RESERVED;
+	ret->local_qpn = id;
 	INIT_LIST_HEAD(&ret->mcg_list);
 	spin_lock_init(&ret->mcg_spl);
 
@@ -2253,8 +2255,7 @@ int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
 
 	if (vhcr->op_modifier == 0) {
 		err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq);
-		if (err)
-			goto ex_put;
+		goto ex_put;
 	}
 
 	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
@@ -2479,7 +2480,8 @@ static struct res_gid *find_gid(struct mlx4_dev *dev, int slave,
 }
 
 static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
-		       u8 *gid, enum mlx4_protocol prot)
+		       u8 *gid, enum mlx4_protocol prot,
+		       enum mlx4_steer_type steer)
 {
 	struct res_gid *res;
 	int err;
@@ -2495,6 +2497,7 @@ static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
 	} else {
 		memcpy(res->gid, gid, 16);
 		res->prot = prot;
+		res->steer = steer;
 		list_add_tail(&res->list, &rqp->mcg_list);
 		err = 0;
 	}
@@ -2504,14 +2507,15 @@ static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
 }
 
 static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
-		       u8 *gid, enum mlx4_protocol prot)
+		       u8 *gid, enum mlx4_protocol prot,
+		       enum mlx4_steer_type steer)
 {
 	struct res_gid *res;
 	int err;
 
 	spin_lock_irq(&rqp->mcg_spl);
 	res = find_gid(dev, slave, rqp, gid);
-	if (!res || res->prot != prot)
+	if (!res || res->prot != prot || res->steer != steer)
 		err = -EINVAL;
 	else {
 		list_del(&res->list);
@@ -2538,7 +2542,7 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
 	int attach = vhcr->op_modifier;
 	int block_loopback = vhcr->in_modifier >> 31;
 	u8 steer_type_mask = 2;
-	enum mlx4_steer_type type = gid[7] & steer_type_mask;
+	enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1;
 
 	qpn = vhcr->in_modifier & 0xffffff;
 	err = get_res(dev, slave, qpn, RES_QP, &rqp);
@@ -2547,7 +2551,7 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
 
 	qp.qpn = qpn;
 	if (attach) {
-		err = add_mcg_res(dev, slave, rqp, gid, prot);
+		err = add_mcg_res(dev, slave, rqp, gid, prot, type);
 		if (err)
 			goto ex_put;
 
@@ -2556,7 +2560,7 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
 		if (err)
 			goto ex_rem;
 	} else {
-		err = rem_mcg_res(dev, slave, rqp, gid, prot);
+		err = rem_mcg_res(dev, slave, rqp, gid, prot, type);
 		if (err)
 			goto ex_put;
 		err = mlx4_qp_detach_common(dev, &qp, gid, prot, type);
@@ -2567,7 +2571,7 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
 
 ex_rem:
 	/* ignore error return below, already in error */
-	err1 = rem_mcg_res(dev, slave, rqp, gid, prot);
+	err1 = rem_mcg_res(dev, slave, rqp, gid, prot, type);
 ex_put:
 	put_res(dev, slave, qpn, RES_QP);
 
@@ -2606,7 +2610,7 @@ static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp)
 	list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) {
 		qp.qpn = rqp->local_qpn;
 		err = mlx4_qp_detach_common(dev, &qp, rgid->gid, rgid->prot,
-					    MLX4_MC_STEER);
+					    rgid->steer);
 		list_del(&rgid->list);
 		kfree(rgid);
 	}
diff --git a/drivers/net/ethernet/micrel/Kconfig b/drivers/net/ethernet/micrel/Kconfig
index 1ea811cf515b..fe42fc00d8d3 100644
--- a/drivers/net/ethernet/micrel/Kconfig
+++ b/drivers/net/ethernet/micrel/Kconfig
@@ -42,7 +42,6 @@ config KS8851
 	select NET_CORE
 	select MII
 	select CRC32
-	select MISC_DEVICES
 	select EEPROM_93CX6
 	---help---
 	  SPI driver for Micrel KS8851 SPI attached network chip.
diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c
index 6b35e7da9a9c..0c3e4005224d 100644
--- a/drivers/net/ethernet/micrel/ks8851.c
+++ b/drivers/net/ethernet/micrel/ks8851.c
@@ -583,7 +583,7 @@ static void ks8851_rx_pkts(struct ks8851_net *ks)
 					ks8851_dbg_dumpkkt(ks, rxpkt);
 
 				skb->protocol = eth_type_trans(skb, ks->netdev);
-				netif_rx(skb);
+				netif_rx_ni(skb);
 
 				ks->netdev->stats.rx_packets++;
 				ks->netdev->stats.rx_bytes += rxlen;
diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c
index e58e78e5c930..2784bc706f1e 100644
--- a/drivers/net/ethernet/micrel/ks8851_mll.c
+++ b/drivers/net/ethernet/micrel/ks8851_mll.c
@@ -394,7 +394,6 @@ union ks_tx_hdr {
  * @msg_enable	: The message flags controlling driver output (see ethtool).
  * @frame_cnt  	: number of frames received.
  * @bus_width  	: i/o bus width.
- * @irq    	: irq number assigned to this device.
  * @rc_rxqcr	: Cached copy of KS_RXQCR.
  * @rc_txcr	: Cached copy of KS_TXCR.
  * @rc_ier	: Cached copy of KS_IER.
@@ -441,7 +440,6 @@ struct ks_net {
 	u32			msg_enable;
 	u32			frame_cnt;
 	int			bus_width;
-	int             	irq;
 
 	u16			rc_rxqcr;
 	u16			rc_txcr;
@@ -907,10 +905,10 @@ static int ks_net_open(struct net_device *netdev)
 	netif_dbg(ks, ifup, ks->netdev, "%s - entry\n", __func__);
 
 	/* reset the HW */
-	err = request_irq(ks->irq, ks_irq, KS_INT_FLAGS, DRV_NAME, netdev);
+	err = request_irq(netdev->irq, ks_irq, KS_INT_FLAGS, DRV_NAME, netdev);
 
 	if (err) {
-		pr_err("Failed to request IRQ: %d: %d\n", ks->irq, err);
+		pr_err("Failed to request IRQ: %d: %d\n", netdev->irq, err);
 		return err;
 	}
 
@@ -955,7 +953,7 @@ static int ks_net_stop(struct net_device *netdev)
 
 	/* set powermode to soft power down to save power */
 	ks_set_powermode(ks, PMECR_PM_SOFTDOWN);
-	free_irq(ks->irq, netdev);
+	free_irq(netdev->irq, netdev);
 	mutex_unlock(&ks->lock);
 	return 0;
 }
@@ -1545,10 +1543,10 @@ static int __devinit ks8851_probe(struct platform_device *pdev)
 	if (!ks->hw_addr_cmd)
 		goto err_ioremap1;
 
-	ks->irq = platform_get_irq(pdev, 0);
+	netdev->irq = platform_get_irq(pdev, 0);
 
-	if (ks->irq < 0) {
-		err = ks->irq;
+	if ((int)netdev->irq < 0) {
+		err = netdev->irq;
 		goto err_get_irq;
 	}
 
diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c b/drivers/net/ethernet/octeon/octeon_mgmt.c
index 212f43b308a3..cd827ff4a021 100644
--- a/drivers/net/ethernet/octeon/octeon_mgmt.c
+++ b/drivers/net/ethernet/octeon/octeon_mgmt.c
@@ -670,7 +670,7 @@ static void octeon_mgmt_adjust_link(struct net_device *netdev)
 static int octeon_mgmt_init_phy(struct net_device *netdev)
 {
 	struct octeon_mgmt *p = netdev_priv(netdev);
-	char phy_id[20];
+	char phy_id[MII_BUS_ID_SIZE + 3];
 
 	if (octeon_is_simulation()) {
 		/* No PHYs in the simulator. */
@@ -678,7 +678,7 @@ static int octeon_mgmt_init_phy(struct net_device *netdev)
 		return 0;
 	}
 
-	snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "0", p->port);
+	snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "mdio-octeon-0", p->port);
 
 	p->phydev = phy_connect(netdev, phy_id, octeon_mgmt_adjust_link, 0,
 				PHY_INTERFACE_MODE_MII);
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
index 9cb5f912e489..29e23bec809c 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
@@ -321,10 +321,10 @@ static void pch_gbe_check_copper_options(struct pch_gbe_adapter *adapter)
 			pr_debug("AutoNeg specified along with Speed or Duplex, AutoNeg parameter ignored\n");
 			hw->phy.autoneg_advertised = opt.def;
 		} else {
-			hw->phy.autoneg_advertised = AutoNeg;
-			pch_gbe_validate_option(
-				(int *)(&hw->phy.autoneg_advertised),
-				&opt, adapter);
+			int tmp = AutoNeg;
+
+			pch_gbe_validate_option(&tmp, &opt, adapter);
+			hw->phy.autoneg_advertised = tmp;
 		}
 	}
 
@@ -495,9 +495,10 @@ void pch_gbe_check_options(struct pch_gbe_adapter *adapter)
 			.arg  = { .l = { .nr = (int)ARRAY_SIZE(fc_list),
 					 .p = fc_list } }
 		};
-		hw->mac.fc = FlowControl;
-		pch_gbe_validate_option((int *)(&hw->mac.fc),
-						&opt, adapter);
+		int tmp = FlowControl;
+
+		pch_gbe_validate_option(&tmp, &opt, adapter);
+		hw->mac.fc = tmp;
 	}
 
 	pch_gbe_check_copper_options(adapter);
diff --git a/drivers/net/ethernet/packetengines/Kconfig b/drivers/net/ethernet/packetengines/Kconfig
index b97132d9dff0..8f29feb35548 100644
--- a/drivers/net/ethernet/packetengines/Kconfig
+++ b/drivers/net/ethernet/packetengines/Kconfig
@@ -4,6 +4,7 @@
 
 config NET_PACKET_ENGINE
 	bool "Packet Engine devices"
+	default y
 	depends on PCI
 	---help---
 	  If you have a network (Ethernet) card belonging to this class, say Y
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index 7931531c3a40..e61560e16385 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -3017,7 +3017,6 @@ static int ql_adapter_initialize(struct ql3_adapter *qdev)
 		(void __iomem *)port_regs;
 	u32 delay = 10;
 	int status = 0;
-	unsigned long hw_flags = 0;
 
 	if (ql_mii_setup(qdev))
 		return -1;
@@ -3228,9 +3227,9 @@ static int ql_adapter_initialize(struct ql3_adapter *qdev)
 		value = ql_read_page0_reg(qdev, &port_regs->portStatus);
 		if (value & PORT_STATUS_IC)
 			break;
-		spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
+		spin_unlock_irq(&qdev->hw_lock);
 		msleep(500);
-		spin_lock_irqsave(&qdev->hw_lock, hw_flags);
+		spin_lock_irq(&qdev->hw_lock);
 	} while (--delay);
 
 	if (delay == 0) {
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 7a0c800b50ad..bbacb3741ec0 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -3781,12 +3781,20 @@ static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
 
 static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
 {
+	void __iomem *ioaddr = tp->mmio_addr;
+
+	RTL_W8(Cfg9346, Cfg9346_Unlock);
 	rtl_generic_op(tp, tp->jumbo_ops.enable);
+	RTL_W8(Cfg9346, Cfg9346_Lock);
 }
 
 static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
 {
+	void __iomem *ioaddr = tp->mmio_addr;
+
+	RTL_W8(Cfg9346, Cfg9346_Unlock);
 	rtl_generic_op(tp, tp->jumbo_ops.disable);
+	RTL_W8(Cfg9346, Cfg9346_Lock);
 }
 
 static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
@@ -6186,6 +6194,9 @@ static void rtl_shutdown(struct pci_dev *pdev)
 {
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct rtl8169_private *tp = netdev_priv(dev);
+	struct device *d = &pdev->dev;
+
+	pm_runtime_get_sync(d);
 
 	rtl8169_net_suspend(dev);
 
@@ -6207,6 +6218,8 @@ static void rtl_shutdown(struct pci_dev *pdev)
 		pci_wake_from_d3(pdev, true);
 		pci_set_power_state(pdev, PCI_D3hot);
 	}
+
+	pm_runtime_put_noidle(d);
 }
 
 static struct pci_driver rtl8169_pci_driver = {
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 813d41c4a845..87b650131774 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -38,6 +38,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
 #include <linux/ethtool.h>
+#include <linux/if_vlan.h>
 #include <linux/sh_eth.h>
 
 #include "sh_eth.h"
@@ -817,7 +818,8 @@ static int sh_eth_dev_init(struct net_device *ndev)
 		sh_eth_write(ndev, 0, TRIMD);
 
 	/* Recv frame limit set register */
-	sh_eth_write(ndev, RFLR_VALUE, RFLR);
+	sh_eth_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN,
+		     RFLR);
 
 	sh_eth_write(ndev, sh_eth_read(ndev, EESR), EESR);
 	sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR);
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 47877b13ffad..cdbd844662a7 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -575,9 +575,6 @@ enum RPADIR_BIT {
 	RPADIR_PADR = 0x0003f,
 };
 
-/* RFLR */
-#define RFLR_VALUE 0x1000
-
 /* FDR */
 #define DEFAULT_FDR_INIT	0x00000707
 
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index aca349861767..fc52fca74193 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -156,11 +156,10 @@ static int efx_init_rx_buffers_skb(struct efx_rx_queue *rx_queue)
 		if (unlikely(!skb))
 			return -ENOMEM;
 
-		/* Adjust the SKB for padding and checksum */
+		/* Adjust the SKB for padding */
 		skb_reserve(skb, NET_IP_ALIGN);
 		rx_buf->len = skb_len - NET_IP_ALIGN;
 		rx_buf->is_page = false;
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 		rx_buf->dma_addr = pci_map_single(efx->pci_dev,
 						  skb->data, rx_buf->len,
@@ -496,6 +495,7 @@ static void efx_rx_packet_gro(struct efx_channel *channel,
 
 		EFX_BUG_ON_PARANOID(!checksummed);
 		rx_buf->u.skb = NULL;
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 		gro_result = napi_gro_receive(napi, skb);
 	}
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index d0b814ef0675..0319d640f728 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -67,6 +67,7 @@ struct stmmac_extra_stats {
 	unsigned long ipc_csum_error;
 	unsigned long rx_collision;
 	unsigned long rx_crc;
+	unsigned long dribbling_bit;
 	unsigned long rx_length;
 	unsigned long rx_mii;
 	unsigned long rx_multicast;
diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
index d87976364ec5..ad1b627f8ec2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
@@ -201,7 +201,7 @@ static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x,
 
 	if (unlikely(p->des01.erx.dribbling)) {
 		CHIP_DBG(KERN_ERR "GMAC RX: dribbling error\n");
-		ret = discard_frame;
+		x->dribbling_bit++;
 	}
 	if (unlikely(p->des01.erx.sa_filter_fail)) {
 		CHIP_DBG(KERN_ERR "GMAC RX : Source Address filter fail\n");
diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
index fda5d2b31d3a..25953bb45a73 100644
--- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
@@ -104,7 +104,7 @@ static int ndesc_get_rx_status(void *data, struct stmmac_extra_stats *x,
 		ret = discard_frame;
 	}
 	if (unlikely(p->des01.rx.dribbling))
-		ret = discard_frame;
+		x->dribbling_bit++;
 
 	if (unlikely(p->des01.rx.length_error)) {
 		x->rx_length++;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index 120740020e2c..b4b095fdcf29 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -21,7 +21,7 @@
 *******************************************************************************/
 
 #define STMMAC_RESOURCE_NAME   "stmmaceth"
-#define DRV_MODULE_VERSION	"Dec_2011"
+#define DRV_MODULE_VERSION	"Feb_2012"
 #include <linux/stmmac.h>
 #include <linux/phy.h>
 #include "common.h"
@@ -97,4 +97,5 @@ int stmmac_resume(struct net_device *ndev);
 int stmmac_suspend(struct net_device *ndev);
 int stmmac_dvr_remove(struct net_device *ndev);
 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
-				struct plat_stmmacenet_data *plat_dat);
+				     struct plat_stmmacenet_data *plat_dat,
+				     void __iomem *addr);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index 9573303a706b..f98e1511660f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -47,23 +47,25 @@ struct stmmac_stats {
 	offsetof(struct stmmac_priv, xstats.m)}
 
 static const struct stmmac_stats stmmac_gstrings_stats[] = {
+	/* Transmit errors */
 	STMMAC_STAT(tx_underflow),
 	STMMAC_STAT(tx_carrier),
 	STMMAC_STAT(tx_losscarrier),
 	STMMAC_STAT(vlan_tag),
 	STMMAC_STAT(tx_deferred),
 	STMMAC_STAT(tx_vlan),
-	STMMAC_STAT(rx_vlan),
 	STMMAC_STAT(tx_jabber),
 	STMMAC_STAT(tx_frame_flushed),
 	STMMAC_STAT(tx_payload_error),
 	STMMAC_STAT(tx_ip_header_error),
+	/* Receive errors */
 	STMMAC_STAT(rx_desc),
 	STMMAC_STAT(sa_filter_fail),
 	STMMAC_STAT(overflow_error),
 	STMMAC_STAT(ipc_csum_error),
 	STMMAC_STAT(rx_collision),
 	STMMAC_STAT(rx_crc),
+	STMMAC_STAT(dribbling_bit),
 	STMMAC_STAT(rx_length),
 	STMMAC_STAT(rx_mii),
 	STMMAC_STAT(rx_multicast),
@@ -73,6 +75,8 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = {
 	STMMAC_STAT(sa_rx_filter_fail),
 	STMMAC_STAT(rx_missed_cntr),
 	STMMAC_STAT(rx_overflow_cntr),
+	STMMAC_STAT(rx_vlan),
+	/* Tx/Rx IRQ errors */
 	STMMAC_STAT(tx_undeflow_irq),
 	STMMAC_STAT(tx_process_stopped_irq),
 	STMMAC_STAT(tx_jabber_irq),
@@ -82,6 +86,7 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = {
 	STMMAC_STAT(rx_watchdog_irq),
 	STMMAC_STAT(tx_early_irq),
 	STMMAC_STAT(fatal_bus_error_irq),
+	/* Extra info */
 	STMMAC_STAT(threshold),
 	STMMAC_STAT(tx_pkt_n),
 	STMMAC_STAT(rx_pkt_n),
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 96fa2da30763..6ee593a55a64 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -241,7 +241,7 @@ static void stmmac_adjust_link(struct net_device *dev)
 			case 1000:
 				if (likely(priv->plat->has_gmac))
 					ctrl &= ~priv->hw->link.port;
-				stmmac_hw_fix_mac_speed(priv);
+					stmmac_hw_fix_mac_speed(priv);
 				break;
 			case 100:
 			case 10:
@@ -785,7 +785,7 @@ static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
 		u32 uid = ((hwid & 0x0000ff00) >> 8);
 		u32 synid = (hwid & 0x000000ff);
 
-		pr_info("STMMAC - user ID: 0x%x, Synopsys ID: 0x%x\n",
+		pr_info("stmmac - user ID: 0x%x, Synopsys ID: 0x%x\n",
 			uid, synid);
 
 		return synid;
@@ -869,38 +869,6 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv)
 	return hw_cap;
 }
 
-/**
- * stmmac_mac_device_setup
- * @dev : device pointer
- * Description: this is to attach the GMAC or MAC 10/100
- * main core structures that will be completed during the
- * open step.
- */
-static int stmmac_mac_device_setup(struct net_device *dev)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-
-	struct mac_device_info *device;
-
-	if (priv->plat->has_gmac)
-		device = dwmac1000_setup(priv->ioaddr);
-	else
-		device = dwmac100_setup(priv->ioaddr);
-
-	if (!device)
-		return -ENOMEM;
-
-	priv->hw = device;
-	priv->hw->ring = &ring_mode_ops;
-
-	if (device_can_wakeup(priv->device)) {
-		priv->wolopts = WAKE_MAGIC; /* Magic Frame as default */
-		enable_irq_wake(priv->wol_irq);
-	}
-
-	return 0;
-}
-
 static void stmmac_check_ether_addr(struct stmmac_priv *priv)
 {
 	/* verify if the MAC address is valid, in case of failures it
@@ -930,20 +898,8 @@ static int stmmac_open(struct net_device *dev)
 	struct stmmac_priv *priv = netdev_priv(dev);
 	int ret;
 
-	/* MAC HW device setup */
-	ret = stmmac_mac_device_setup(dev);
-	if (ret < 0)
-		return ret;
-
 	stmmac_check_ether_addr(priv);
 
-	stmmac_verify_args();
-
-	/* Override with kernel parameters if supplied XXX CRS XXX
-	 * this needs to have multiple instances */
-	if ((phyaddr >= 0) && (phyaddr <= 31))
-		priv->plat->phy_addr = phyaddr;
-
 	/* MDIO bus Registration */
 	ret = stmmac_mdio_register(dev);
 	if (ret < 0) {
@@ -976,44 +932,6 @@ static int stmmac_open(struct net_device *dev)
 		goto open_error;
 	}
 
-	stmmac_get_synopsys_id(priv);
-
-	priv->hw_cap_support = stmmac_get_hw_features(priv);
-
-	if (priv->hw_cap_support) {
-		pr_info(" Support DMA HW capability register");
-
-		/* We can override some gmac/dma configuration fields: e.g.
-		 * enh_desc, tx_coe (e.g. that are passed through the
-		 * platform) with the values from the HW capability
-		 * register (if supported).
-		 */
-		priv->plat->enh_desc = priv->dma_cap.enh_desc;
-		priv->plat->tx_coe = priv->dma_cap.tx_coe;
-		priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up;
-
-		/* By default disable wol on magic frame if not supported */
-		if (!priv->dma_cap.pmt_magic_frame)
-			priv->wolopts &= ~WAKE_MAGIC;
-
-	} else
-		pr_info(" No HW DMA feature register supported");
-
-	/* Select the enhnaced/normal descriptor structures */
-	stmmac_selec_desc_mode(priv);
-
-	/* PMT module is not integrated in all the MAC devices. */
-	if (priv->plat->pmt) {
-		pr_info(" Remote wake-up capable\n");
-		device_set_wakeup_capable(priv->device, 1);
-	}
-
-	priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
-	if (priv->rx_coe)
-		pr_info(" Checksum Offload Engine supported\n");
-	if (priv->plat->tx_coe)
-		pr_info(" Checksum insertion supported\n");
-
 	/* Create and initialize the TX/RX descriptors chains. */
 	priv->dma_tx_size = STMMAC_ALIGN(dma_txsize);
 	priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
@@ -1030,14 +948,14 @@ static int stmmac_open(struct net_device *dev)
 
 	/* Copy the MAC addr into the HW  */
 	priv->hw->mac->set_umac_addr(priv->ioaddr, dev->dev_addr, 0);
+
 	/* If required, perform hw setup of the bus. */
 	if (priv->plat->bus_setup)
 		priv->plat->bus_setup(priv->ioaddr);
+
 	/* Initialize the MAC Core */
 	priv->hw->mac->core_init(priv->ioaddr);
 
-	netdev_update_features(dev);
-
 	/* Request the IRQ lines */
 	ret = request_irq(dev->irq, stmmac_interrupt,
 			 IRQF_SHARED, dev->name, dev);
@@ -1047,6 +965,17 @@ static int stmmac_open(struct net_device *dev)
 		goto open_error;
 	}
 
+	/* Request the Wake IRQ in case of another line is used for WoL */
+	if (priv->wol_irq != dev->irq) {
+		ret = request_irq(priv->wol_irq, stmmac_interrupt,
+				  IRQF_SHARED, dev->name, dev);
+		if (unlikely(ret < 0)) {
+			pr_err("%s: ERROR: allocating the ext WoL IRQ %d "
+			       "(error: %d)\n",	__func__, priv->wol_irq, ret);
+			goto open_error_wolirq;
+		}
+	}
+
 	/* Enable the MAC Rx/Tx */
 	stmmac_set_mac(priv->ioaddr, true);
 
@@ -1062,7 +991,7 @@ static int stmmac_open(struct net_device *dev)
 #ifdef CONFIG_STMMAC_DEBUG_FS
 	ret = stmmac_init_fs(dev);
 	if (ret < 0)
-		pr_warning("\tFailed debugFS registration");
+		pr_warning("%s: failed debugFS registration\n", __func__);
 #endif
 	/* Start the ball rolling... */
 	DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name);
@@ -1072,6 +1001,7 @@ static int stmmac_open(struct net_device *dev)
 #ifdef CONFIG_STMMAC_TIMER
 	priv->tm->timer_start(tmrate);
 #endif
+
 	/* Dump DMA/MAC registers */
 	if (netif_msg_hw(priv)) {
 		priv->hw->mac->dump_regs(priv->ioaddr);
@@ -1087,6 +1017,9 @@ static int stmmac_open(struct net_device *dev)
 
 	return 0;
 
+open_error_wolirq:
+	free_irq(dev->irq, dev);
+
 open_error:
 #ifdef CONFIG_STMMAC_TIMER
 	kfree(priv->tm);
@@ -1127,6 +1060,8 @@ static int stmmac_release(struct net_device *dev)
 
 	/* Free the IRQ lines */
 	free_irq(dev->irq, dev);
+	if (priv->wol_irq != dev->irq)
+		free_irq(priv->wol_irq, dev);
 
 	/* Stop TX/RX DMA and clear the descriptors */
 	priv->hw->dma->stop_tx(priv->ioaddr);
@@ -1789,13 +1724,77 @@ static const struct net_device_ops stmmac_netdev_ops = {
 };
 
 /**
+ *  stmmac_hw_init - Init the MAC device
+ *  @priv : pointer to the private device structure.
+ *  Description: this function detects which MAC device
+ *  (GMAC/MAC10-100) has to attached, checks the HW capability
+ *  (if supported) and sets the driver's features (for example
+ *  to use the ring or chaine mode or support the normal/enh
+ *  descriptor structure).
+ */
+static int stmmac_hw_init(struct stmmac_priv *priv)
+{
+	int ret = 0;
+	struct mac_device_info *mac;
+
+	/* Identify the MAC HW device */
+	if (priv->plat->has_gmac)
+		mac = dwmac1000_setup(priv->ioaddr);
+	else
+		mac = dwmac100_setup(priv->ioaddr);
+	if (!mac)
+		return -ENOMEM;
+
+	priv->hw = mac;
+
+	/* To use the chained or ring mode */
+	priv->hw->ring = &ring_mode_ops;
+
+	/* Get and dump the chip ID */
+	stmmac_get_synopsys_id(priv);
+
+	/* Get the HW capability (new GMAC newer than 3.50a) */
+	priv->hw_cap_support = stmmac_get_hw_features(priv);
+	if (priv->hw_cap_support) {
+		pr_info(" DMA HW capability register supported");
+
+		/* We can override some gmac/dma configuration fields: e.g.
+		 * enh_desc, tx_coe (e.g. that are passed through the
+		 * platform) with the values from the HW capability
+		 * register (if supported).
+		 */
+		priv->plat->enh_desc = priv->dma_cap.enh_desc;
+		priv->plat->tx_coe = priv->dma_cap.tx_coe;
+		priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up;
+	} else
+		pr_info(" No HW DMA feature register supported");
+
+	/* Select the enhnaced/normal descriptor structures */
+	stmmac_selec_desc_mode(priv);
+
+	priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
+	if (priv->rx_coe)
+		pr_info(" RX Checksum Offload Engine supported\n");
+	if (priv->plat->tx_coe)
+		pr_info(" TX Checksum insertion supported\n");
+
+	if (priv->plat->pmt) {
+		pr_info(" Wake-Up On Lan supported\n");
+		device_set_wakeup_capable(priv->device, 1);
+	}
+
+	return ret;
+}
+
+/**
  * stmmac_dvr_probe
  * @device: device pointer
  * Description: this is the main probe function used to
  * call the alloc_etherdev, allocate the priv structure.
  */
 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
-					struct plat_stmmacenet_data *plat_dat)
+				     struct plat_stmmacenet_data *plat_dat,
+				     void __iomem *addr)
 {
 	int ret = 0;
 	struct net_device *ndev = NULL;
@@ -1815,10 +1814,27 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,
 
 	ether_setup(ndev);
 
-	ndev->netdev_ops = &stmmac_netdev_ops;
 	stmmac_set_ethtool_ops(ndev);
+	priv->pause = pause;
+	priv->plat = plat_dat;
+	priv->ioaddr = addr;
+	priv->dev->base_addr = (unsigned long)addr;
+
+	/* Verify driver arguments */
+	stmmac_verify_args();
+
+	/* Override with kernel parameters if supplied XXX CRS XXX
+	 * this needs to have multiple instances */
+	if ((phyaddr >= 0) && (phyaddr <= 31))
+		priv->plat->phy_addr = phyaddr;
+
+	/* Init MAC and get the capabilities */
+	stmmac_hw_init(priv);
+
+	ndev->netdev_ops = &stmmac_netdev_ops;
 
-	ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
+	ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
+			    NETIF_F_RXCSUM;
 	ndev->features |= ndev->hw_features | NETIF_F_HIGHDMA;
 	ndev->watchdog_timeo = msecs_to_jiffies(watchdog);
 #ifdef STMMAC_VLAN_TAG_USED
@@ -1830,8 +1846,6 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,
 	if (flow_ctrl)
 		priv->flow_ctrl = FLOW_AUTO;	/* RX/TX pause on */
 
-	priv->pause = pause;
-	priv->plat = plat_dat;
 	netif_napi_add(ndev, &priv->napi, stmmac_poll, 64);
 
 	spin_lock_init(&priv->lock);
@@ -1839,15 +1853,10 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,
 
 	ret = register_netdev(ndev);
 	if (ret) {
-		pr_err("%s: ERROR %i registering the device\n",
-		       __func__, ret);
+		pr_err("%s: ERROR %i registering the device\n", __func__, ret);
 		goto error;
 	}
 
-	DBG(probe, DEBUG, "%s: Scatter/Gather: %s - HW checksums: %s\n",
-	    ndev->name, (ndev->features & NETIF_F_SG) ? "on" : "off",
-	    (ndev->features & NETIF_F_IP_CSUM) ? "on" : "off");
-
 	return priv;
 
 error:
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index c796de9eed72..50ad5b80cfaf 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -96,13 +96,11 @@ static int __devinit stmmac_pci_probe(struct pci_dev *pdev,
 
 	stmmac_default_data();
 
-	priv = stmmac_dvr_probe(&(pdev->dev), &plat_dat);
+	priv = stmmac_dvr_probe(&(pdev->dev), &plat_dat, addr);
 	if (!priv) {
-		pr_err("%s: main drivr probe failed", __func__);
+		pr_err("%s: main driver probe failed", __func__);
 		goto err_out;
 	}
-	priv->ioaddr = addr;
-	priv->dev->base_addr = (unsigned long)addr;
 	priv->dev->irq = pdev->irq;
 	priv->wol_irq = pdev->irq;
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 1ac83243649a..3aad9810237c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -59,16 +59,20 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
 		goto out_release_region;
 	}
 	plat_dat = pdev->dev.platform_data;
-	priv = stmmac_dvr_probe(&(pdev->dev), plat_dat);
+
+	/* Custom initialisation (if needed)*/
+	if (plat_dat->init) {
+		ret = plat_dat->init(pdev);
+		if (unlikely(ret))
+			goto out_unmap;
+	}
+
+	priv = stmmac_dvr_probe(&(pdev->dev), plat_dat, addr);
 	if (!priv) {
-		pr_err("%s: main drivr probe failed", __func__);
+		pr_err("%s: main driver probe failed", __func__);
 		goto out_unmap;
 	}
 
-	priv->ioaddr = addr;
-	/* Set the I/O base addr */
-	priv->dev->base_addr = (unsigned long)addr;
-
 	/* Get the MAC information */
 	priv->dev->irq = platform_get_irq_byname(pdev, "macirq");
 	if (priv->dev->irq == -ENXIO) {
@@ -92,13 +96,6 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, priv->dev);
 
-	/* Custom initialisation */
-	if (priv->plat->init) {
-		ret = priv->plat->init(pdev);
-		if (unlikely(ret))
-			goto out_unmap;
-	}
-
 	pr_debug("STMMAC platform driver registration completed");
 
 	return 0;
diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c
index 4d9a28ffd3c3..cbc8df78d84b 100644
--- a/drivers/net/ethernet/ti/cpmac.c
+++ b/drivers/net/ethernet/ti/cpmac.c
@@ -1122,7 +1122,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
 	pdata = pdev->dev.platform_data;
 
 	if (external_switch || dumb_switch) {
-		strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+		strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */
 		phy_id = pdev->id;
 	} else {
 		for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
@@ -1138,7 +1138,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
 	if (phy_id == PHY_MAX_ADDR) {
 		dev_err(&pdev->dev, "no PHY present, falling back "
 					"to switch on MDIO bus 0\n");
-		strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+		strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */
 		phy_id = pdev->id;
 	}
 
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 794ac30a577b..4b2f54565f64 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1009,7 +1009,7 @@ static void emac_rx_handler(void *token, int len, int status)
 	int			ret;
 
 	/* free and bail if we are shutting down */
-	if (unlikely(!netif_running(ndev) || !netif_carrier_ok(ndev))) {
+	if (unlikely(!netif_running(ndev))) {
 		dev_kfree_skb_any(skb);
 		return;
 	}
@@ -1038,7 +1038,9 @@ static void emac_rx_handler(void *token, int len, int status)
 recycle:
 	ret = cpdma_chan_submit(priv->rxchan, skb, skb->data,
 			skb_tailroom(skb), GFP_KERNEL);
-	if (WARN_ON(ret < 0))
+
+	WARN_ON(ret == -ENOMEM);
+	if (unlikely(ret < 0))
 		dev_kfree_skb_any(skb);
 }
 
@@ -1600,8 +1602,9 @@ static int emac_dev_open(struct net_device *ndev)
 		if (IS_ERR(priv->phydev)) {
 			dev_err(emac_dev, "could not connect to phy %s\n",
 				priv->phy_id);
+			ret = PTR_ERR(priv->phydev);
 			priv->phydev = NULL;
-			return PTR_ERR(priv->phydev);
+			return ret;
 		}
 
 		priv->link = 0;
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index ef7c9c17bfff..af8b8fc39eb2 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -318,9 +318,9 @@ static int __devinit davinci_mdio_probe(struct platform_device *pdev)
 
 	data->clk = clk_get(dev, NULL);
 	if (IS_ERR(data->clk)) {
-		data->clk = NULL;
 		dev_err(dev, "failed to get device clock\n");
 		ret = PTR_ERR(data->clk);
+		data->clk = NULL;
 		goto bail_out;
 	}
 
diff --git a/drivers/net/ethernet/toshiba/Kconfig b/drivers/net/ethernet/toshiba/Kconfig
index 051764704559..74acb5cf6099 100644
--- a/drivers/net/ethernet/toshiba/Kconfig
+++ b/drivers/net/ethernet/toshiba/Kconfig
@@ -5,7 +5,7 @@
 config NET_VENDOR_TOSHIBA
 	bool "Toshiba devices"
 	default y
-	depends on PCI && (PPC_IBM_CELL_BLADE || PPC_CELLEB) || PPC_PS3
+	depends on PCI && (PPC_IBM_CELL_BLADE || PPC_CELLEB || MIPS) || PPC_PS3
 	---help---
 	  If you have a network (Ethernet) card belonging to this class, say Y
 	  and read the Ethernet-HOWTO, available from
diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
index 4128d6b8cc28..cb35b14b73bb 100644
--- a/drivers/net/ethernet/via/via-velocity.c
+++ b/drivers/net/ethernet/via/via-velocity.c
@@ -2491,9 +2491,6 @@ static int velocity_close(struct net_device *dev)
 	if (dev->irq != 0)
 		free_irq(dev->irq, dev);
 
-	/* Power down the chip */
-	pci_set_power_state(vptr->pdev, PCI_D3hot);
-
 	velocity_free_rings(vptr);
 
 	vptr->flags &= (~VELOCITY_FLAGS_OPENED);
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index 72a854f05bb8..41a8b5a9849e 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -1416,7 +1416,8 @@ static int __devinit eth_init_one(struct platform_device *pdev)
 	__raw_writel(DEFAULT_CORE_CNTRL, &port->regs->core_control);
 	udelay(50);
 
-	snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, "0", plat->phy);
+	snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT,
+		mdio_bus->id, plat->phy);
 	port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
 				   PHY_INTERFACE_MODE_MII);
 	if (IS_ERR(port->phydev)) {
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 1a1ca6cfc74a..bf01841bda5b 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -123,7 +123,7 @@ static int netvsc_close(struct net_device *net)
 	struct hv_device *device_obj = net_device_ctx->device_ctx;
 	int ret;
 
-	netif_stop_queue(net);
+	netif_tx_disable(net);
 
 	ret = rndis_filter_close(device_obj);
 	if (ret != 0)
@@ -151,10 +151,10 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 	int ret;
 	unsigned int i, num_pages, npg_data;
 
-	/* Add multipage for skb->data and additional one for RNDIS */
+	/* Add multipages for skb->data and additional 2 for RNDIS */
 	npg_data = (((unsigned long)skb->data + skb_headlen(skb) - 1)
 		>> PAGE_SHIFT) - ((unsigned long)skb->data >> PAGE_SHIFT) + 1;
-	num_pages = skb_shinfo(skb)->nr_frags + npg_data + 1;
+	num_pages = skb_shinfo(skb)->nr_frags + npg_data + 2;
 
 	/* Allocate a netvsc packet based on # of frags. */
 	packet = kzalloc(sizeof(struct hv_netvsc_packet) +
@@ -173,8 +173,8 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 				sizeof(struct hv_netvsc_packet) +
 				    (num_pages * sizeof(struct hv_page_buffer));
 
-	/* Setup the rndis header */
-	packet->page_buf_cnt = num_pages;
+	/* If the rndis msg goes beyond 1 page, we will add 1 later */
+	packet->page_buf_cnt = num_pages - 1;
 
 	/* Initialize it from the skb */
 	packet->total_data_buflen = skb->len;
@@ -256,7 +256,7 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj,
 		schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20));
 	} else {
 		netif_carrier_off(net);
-		netif_stop_queue(net);
+		netif_tx_disable(net);
 	}
 }
 
@@ -298,7 +298,7 @@ int netvsc_recv_callback(struct hv_device *device_obj,
 	skb->ip_summed = CHECKSUM_NONE;
 
 	net->stats.rx_packets++;
-	net->stats.rx_bytes += skb->len;
+	net->stats.rx_bytes += packet->total_data_buflen;
 
 	/*
 	 * Pass the skb back up. Network stack will deallocate the skb when it
@@ -313,7 +313,7 @@ int netvsc_recv_callback(struct hv_device *device_obj,
 static void netvsc_get_drvinfo(struct net_device *net,
 			       struct ethtool_drvinfo *info)
 {
-	strcpy(info->driver, "hv_netvsc");
+	strcpy(info->driver, KBUILD_MODNAME);
 	strcpy(info->version, HV_DRV_VERSION);
 	strcpy(info->fw_version, "N/A");
 }
@@ -337,7 +337,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu)
 
 	nvdev->start_remove = true;
 	cancel_delayed_work_sync(&ndevctx->dwork);
-	netif_stop_queue(ndev);
+	netif_tx_disable(ndev);
 	rndis_filter_device_remove(hdev);
 
 	ndev->mtu = mtu;
@@ -460,7 +460,7 @@ static int netvsc_remove(struct hv_device *dev)
 	cancel_delayed_work_sync(&ndev_ctx->dwork);
 
 	/* Stop outbound asap */
-	netif_stop_queue(net);
+	netif_tx_disable(net);
 
 	unregister_netdev(net);
 
@@ -485,7 +485,7 @@ MODULE_DEVICE_TABLE(vmbus, id_table);
 
 /* The one and only one */
 static struct  hv_driver netvsc_drv = {
-	.name = "netvsc",
+	.name = KBUILD_MODNAME,
 	.id_table = id_table,
 	.probe = netvsc_probe,
 	.remove = netvsc_remove,
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index da181f9a49d1..133b7fbf8595 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -321,6 +321,25 @@ static void rndis_filter_receive_data(struct rndis_device *dev,
 	data_offset = RNDIS_HEADER_SIZE + rndis_pkt->data_offset;
 
 	pkt->total_data_buflen -= data_offset;
+
+	/*
+	 * Make sure we got a valid RNDIS message, now total_data_buflen
+	 * should be the data packet size plus the trailer padding size
+	 */
+	if (pkt->total_data_buflen < rndis_pkt->data_len) {
+		netdev_err(dev->net_dev->ndev, "rndis message buffer "
+			   "overflow detected (got %u, min %u)"
+			   "...dropping this message!\n",
+			   pkt->total_data_buflen, rndis_pkt->data_len);
+		return;
+	}
+
+	/*
+	 * Remove the rndis trailer padding from rndis packet message
+	 * rndis_pkt->data_len tell us the real data length, we only copy
+	 * the data packet to the stack, without the rndis trailer padding
+	 */
+	pkt->total_data_buflen = rndis_pkt->data_len;
 	pkt->data = (void *)((unsigned long)pkt->data + data_offset);
 
 	pkt->is_data_pkt = true;
@@ -778,6 +797,19 @@ int rndis_filter_send(struct hv_device *dev,
 			(unsigned long)rndisMessage & (PAGE_SIZE-1);
 	pkt->page_buf[0].len = rndisMessageSize;
 
+	/* Add one page_buf if the rndis msg goes beyond page boundary */
+	if (pkt->page_buf[0].offset + rndisMessageSize > PAGE_SIZE) {
+		int i;
+		for (i = pkt->page_buf_cnt; i > 1; i--)
+			pkt->page_buf[i] = pkt->page_buf[i-1];
+		pkt->page_buf_cnt++;
+		pkt->page_buf[0].len = PAGE_SIZE - pkt->page_buf[0].offset;
+		pkt->page_buf[1].pfn = virt_to_phys((void *)((ulong)
+			rndisMessage + pkt->page_buf[0].len)) >> PAGE_SHIFT;
+		pkt->page_buf[1].offset = 0;
+		pkt->page_buf[1].len = rndisMessageSize - pkt->page_buf[0].len;
+	}
+
 	/* Save the packet send completion and context */
 	filterPacket->completion = pkt->completion.send.send_completion;
 	filterPacket->completion_ctx =
diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c
index c81f136ae670..0856e1b7a849 100644
--- a/drivers/net/phy/icplus.c
+++ b/drivers/net/phy/icplus.c
@@ -30,16 +30,16 @@
 #include <asm/irq.h>
 #include <asm/uaccess.h>
 
-MODULE_DESCRIPTION("ICPlus IP175C/IP101A/IC1001 PHY drivers");
+MODULE_DESCRIPTION("ICPlus IP175C/IP101A/IP101G/IC1001 PHY drivers");
 MODULE_AUTHOR("Michael Barkowski");
 MODULE_LICENSE("GPL");
 
-/* IP101A/IP1001 */
-#define IP10XX_SPEC_CTRL_STATUS		16  /* Spec. Control Register */
-#define IP1001_SPEC_CTRL_STATUS_2	20  /* IP1001 Spec. Control Reg 2 */
-#define IP1001_PHASE_SEL_MASK		3 /* IP1001 RX/TXPHASE_SEL */
-#define IP1001_APS_ON			11  /* IP1001 APS Mode  bit */
-#define IP101A_APS_ON			2   /* IP101A APS Mode bit */
+/* IP101A/G - IP1001 */
+#define IP10XX_SPEC_CTRL_STATUS		16	/* Spec. Control Register */
+#define IP1001_SPEC_CTRL_STATUS_2	20	/* IP1001 Spec. Control Reg 2 */
+#define IP1001_PHASE_SEL_MASK		3	/* IP1001 RX/TXPHASE_SEL */
+#define IP1001_APS_ON			11	/* IP1001 APS Mode  bit */
+#define IP101A_G_APS_ON			2	/* IP101A/G APS Mode bit */
 
 static int ip175c_config_init(struct phy_device *phydev)
 {
@@ -98,20 +98,24 @@ static int ip175c_config_init(struct phy_device *phydev)
 
 static int ip1xx_reset(struct phy_device *phydev)
 {
-	int err, bmcr;
+	int bmcr;
 
 	/* Software Reset PHY */
 	bmcr = phy_read(phydev, MII_BMCR);
+	if (bmcr < 0)
+		return bmcr;
 	bmcr |= BMCR_RESET;
-	err = phy_write(phydev, MII_BMCR, bmcr);
-	if (err < 0)
-		return err;
+	bmcr = phy_write(phydev, MII_BMCR, bmcr);
+	if (bmcr < 0)
+		return bmcr;
 
 	do {
 		bmcr = phy_read(phydev, MII_BMCR);
+		if (bmcr < 0)
+			return bmcr;
 	} while (bmcr & BMCR_RESET);
 
-	return err;
+	return 0;
 }
 
 static int ip1001_config_init(struct phy_device *phydev)
@@ -124,7 +128,10 @@ static int ip1001_config_init(struct phy_device *phydev)
 
 	/* Enable Auto Power Saving mode */
 	c = phy_read(phydev, IP1001_SPEC_CTRL_STATUS_2);
+	if (c < 0)
+		return c;
 	c |= IP1001_APS_ON;
+	c = phy_write(phydev, IP1001_SPEC_CTRL_STATUS_2, c);
 	if (c < 0)
 		return c;
 
@@ -132,14 +139,19 @@ static int ip1001_config_init(struct phy_device *phydev)
 		/* Additional delay (2ns) used to adjust RX clock phase
 		 * at RGMII interface */
 		c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
+		if (c < 0)
+			return c;
+
 		c |= IP1001_PHASE_SEL_MASK;
 		c = phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
+		if (c < 0)
+			return c;
 	}
 
-	return c;
+	return 0;
 }
 
-static int ip101a_config_init(struct phy_device *phydev)
+static int ip101a_g_config_init(struct phy_device *phydev)
 {
 	int c;
 
@@ -149,7 +161,7 @@ static int ip101a_config_init(struct phy_device *phydev)
 
 	/* Enable Auto Power Saving mode */
 	c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
-	c |= IP101A_APS_ON;
+	c |= IP101A_G_APS_ON;
 	return c;
 }
 
@@ -191,6 +203,7 @@ static struct phy_driver ip1001_driver = {
 	.phy_id_mask	= 0x0ffffff0,
 	.features	= PHY_GBIT_FEATURES | SUPPORTED_Pause |
 			  SUPPORTED_Asym_Pause,
+	.flags		= PHY_HAS_INTERRUPT,
 	.config_init	= &ip1001_config_init,
 	.config_aneg	= &genphy_config_aneg,
 	.read_status	= &genphy_read_status,
@@ -199,13 +212,14 @@ static struct phy_driver ip1001_driver = {
 	.driver		= { .owner = THIS_MODULE,},
 };
 
-static struct phy_driver ip101a_driver = {
+static struct phy_driver ip101a_g_driver = {
 	.phy_id		= 0x02430c54,
-	.name		= "ICPlus IP101A",
+	.name		= "ICPlus IP101A/G",
 	.phy_id_mask	= 0x0ffffff0,
 	.features	= PHY_BASIC_FEATURES | SUPPORTED_Pause |
 			  SUPPORTED_Asym_Pause,
-	.config_init	= &ip101a_config_init,
+	.flags		= PHY_HAS_INTERRUPT,
+	.config_init	= &ip101a_g_config_init,
 	.config_aneg	= &genphy_config_aneg,
 	.read_status	= &genphy_read_status,
 	.suspend	= genphy_suspend,
@@ -221,7 +235,7 @@ static int __init icplus_init(void)
 	if (ret < 0)
 		return -ENODEV;
 
-	ret = phy_driver_register(&ip101a_driver);
+	ret = phy_driver_register(&ip101a_g_driver);
 	if (ret < 0)
 		return -ENODEV;
 
@@ -231,7 +245,7 @@ static int __init icplus_init(void)
 static void __exit icplus_exit(void)
 {
 	phy_driver_unregister(&ip1001_driver);
-	phy_driver_unregister(&ip101a_driver);
+	phy_driver_unregister(&ip101a_g_driver);
 	phy_driver_unregister(&ip175c_driver);
 }
 
@@ -241,6 +255,7 @@ module_exit(icplus_exit);
 static struct mdio_device_id __maybe_unused icplus_tbl[] = {
 	{ 0x02430d80, 0x0ffffff0 },
 	{ 0x02430d90, 0x0ffffff0 },
+	{ 0x02430c54, 0x0ffffff0 },
 	{ }
 };
 
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index edfa15d2e795..486b4048850d 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -2024,14 +2024,22 @@ ppp_mp_reconstruct(struct ppp *ppp)
 			continue;
 		}
 		if (PPP_MP_CB(p)->sequence != seq) {
+			u32 oldseq;
 			/* Fragment `seq' is missing.  If it is after
 			   minseq, it might arrive later, so stop here. */
 			if (seq_after(seq, minseq))
 				break;
 			/* Fragment `seq' is lost, keep going. */
 			lost = 1;
+			oldseq = seq;
 			seq = seq_before(minseq, PPP_MP_CB(p)->sequence)?
 				minseq + 1: PPP_MP_CB(p)->sequence;
+
+			if (ppp->debug & 1)
+				netdev_printk(KERN_DEBUG, ppp->dev,
+					      "lost frag %u..%u\n",
+					      oldseq, seq-1);
+
 			goto again;
 		}
 
@@ -2076,6 +2084,10 @@ ppp_mp_reconstruct(struct ppp *ppp)
 			struct sk_buff *tmp2;
 
 			skb_queue_reverse_walk_from_safe(list, p, tmp2) {
+				if (ppp->debug & 1)
+					netdev_printk(KERN_DEBUG, ppp->dev,
+						      "discarding frag %u\n",
+						      PPP_MP_CB(p)->sequence);
 				__skb_unlink(p, list);
 				kfree_skb(p);
 			}
@@ -2091,6 +2103,17 @@ ppp_mp_reconstruct(struct ppp *ppp)
 		/* If we have discarded any fragments,
 		   signal a receive error. */
 		if (PPP_MP_CB(head)->sequence != ppp->nextseq) {
+			skb_queue_walk_safe(list, p, tmp) {
+				if (p == head)
+					break;
+				if (ppp->debug & 1)
+					netdev_printk(KERN_DEBUG, ppp->dev,
+						      "discarding frag %u\n",
+						      PPP_MP_CB(p)->sequence);
+				__skb_unlink(p, list);
+				kfree_skb(p);
+			}
+
 			if (ppp->debug & 1)
 				netdev_printk(KERN_DEBUG, ppp->dev,
 					      "  missed pkts %u..%u\n",
diff --git a/drivers/net/tokenring/Kconfig b/drivers/net/tokenring/Kconfig
index c7e0149d1514..45550d42b368 100644
--- a/drivers/net/tokenring/Kconfig
+++ b/drivers/net/tokenring/Kconfig
@@ -7,7 +7,6 @@ menuconfig TR
 	bool "Token Ring driver support"
 	depends on NETDEVICES && !UML
 	depends on (PCI || ISA || MCA || CCW || PCMCIA)
-	select LLC
 	help
 	  Token Ring is IBM's way of communication on a local network; the
 	  rest of the world uses Ethernet. To participate on a Token Ring
@@ -20,6 +19,10 @@ menuconfig TR
 
 if TR
 
+config WANT_LLC
+	def_bool y
+	select LLC
+
 config PCMCIA_IBMTR
 	tristate "IBM PCMCIA tokenring adapter support"
 	depends on IBMTR!=y && PCMCIA
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 41a61efc331e..90a30026a931 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -573,6 +573,13 @@ static const struct usb_device_id	products [] = {
 	.driver_info = 0,
 },
 
+/* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */
+{
+	USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM,
+			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
+	.driver_info		= 0,
+},
+
 /*
  * WHITELIST!!!
  *
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 304fe78ff60e..e1324b4a0f66 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1632,7 +1632,7 @@ static int hso_get_count(struct tty_struct *tty,
 	struct hso_serial *serial = get_serial_by_tty(tty);
 	struct hso_tiocmget  *tiocmget = serial->tiocmget;
 
-	memset(&icount, 0, sizeof(struct serial_icounter_struct));
+	memset(icount, 0, sizeof(struct serial_icounter_struct));
 
 	if (!tiocmget)
 		 return -ENOENT;
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index e84662db51cc..dd78c4cbd459 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -60,6 +60,7 @@
 #define USB_PRODUCT_IPHONE_3GS  0x1294
 #define USB_PRODUCT_IPHONE_4	0x1297
 #define USB_PRODUCT_IPHONE_4_VZW 0x129c
+#define USB_PRODUCT_IPHONE_4S	0x12a0
 
 #define IPHETH_USBINTF_CLASS    255
 #define IPHETH_USBINTF_SUBCLASS 253
@@ -103,6 +104,10 @@ static struct usb_device_id ipheth_table[] = {
 		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4_VZW,
 		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
 		IPHETH_USBINTF_PROTO) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(
+		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4S,
+		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
+		IPHETH_USBINTF_PROTO) },
 	{ }
 };
 MODULE_DEVICE_TABLE(usb, ipheth_table);
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index fae0fbd8bc88..81b96e303757 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -589,6 +589,7 @@ static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
 		entry = (struct skb_data *) skb->cb;
 		urb = entry->urb;
 
+		spin_unlock_irqrestore(&q->lock, flags);
 		// during some PM-driven resume scenarios,
 		// these (async) unlinks complete immediately
 		retval = usb_unlink_urb (urb);
@@ -596,6 +597,7 @@ static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
 			netdev_dbg(dev->net, "unlink urb err, %d\n", retval);
 		else
 			count++;
+		spin_lock_irqsave(&q->lock, flags);
 	}
 	spin_unlock_irqrestore (&q->lock, flags);
 	return count;
diff --git a/drivers/net/usb/zaurus.c b/drivers/net/usb/zaurus.c
index f701d4127087..c3197ce0e2ad 100644
--- a/drivers/net/usb/zaurus.c
+++ b/drivers/net/usb/zaurus.c
@@ -316,6 +316,11 @@ static const struct usb_device_id	products [] = {
 	ZAURUS_MASTER_INTERFACE,
 	.driver_info = ZAURUS_PXA_INFO,
 }, {
+	/* C-750/C-760/C-860/SL-C3000 PDA in MDLM mode */
+	USB_DEVICE_AND_INTERFACE_INFO(0x04DD, 0x9031, USB_CLASS_COMM,
+			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
+	.driver_info = (unsigned long) &bogus_mdlm_info,
+}, {
 	.match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
 		 | USB_DEVICE_ID_MATCH_DEVICE,
 	.idVendor               = 0x04DD,
@@ -349,6 +354,13 @@ static const struct usb_device_id	products [] = {
 	ZAURUS_MASTER_INTERFACE,
 	.driver_info = OLYMPUS_MXL_INFO,
 },
+
+/* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */
+{
+	USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM,
+			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
+	.driver_info = (unsigned long) &bogus_mdlm_info,
+},
 	{ },		// END
 };
 MODULE_DEVICE_TABLE(usb, products);
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 49f4667e1fa3..4a3402898f2a 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -422,7 +422,9 @@ static void veth_dellink(struct net_device *dev, struct list_head *head)
 	unregister_netdevice_queue(peer, head);
 }
 
-static const struct nla_policy veth_policy[VETH_INFO_MAX + 1];
+static const struct nla_policy veth_policy[VETH_INFO_MAX + 1] = {
+	[VETH_INFO_PEER]	= { .len = sizeof(struct ifinfomsg) },
+};
 
 static struct rtnl_link_ops veth_link_ops = {
 	.kind		= DRV_NAME,
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index de7fc345148a..756c0f5565a5 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -830,21 +830,16 @@ vmxnet3_parse_and_copy_hdr(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
 					ctx->l4_hdr_size = ((struct tcphdr *)
 					   skb_transport_header(skb))->doff * 4;
 				else if (iph->protocol == IPPROTO_UDP)
-					/*
-					 * Use tcp header size so that bytes to
-					 * be copied are more than required by
-					 * the device.
-					 */
 					ctx->l4_hdr_size =
-							sizeof(struct tcphdr);
+							sizeof(struct udphdr);
 				else
 					ctx->l4_hdr_size = 0;
 			} else {
 				/* for simplicity, don't copy L4 headers */
 				ctx->l4_hdr_size = 0;
 			}
-			ctx->copy_size = ctx->eth_ip_hdr_size +
-					 ctx->l4_hdr_size;
+			ctx->copy_size = min(ctx->eth_ip_hdr_size +
+					 ctx->l4_hdr_size, skb->len);
 		} else {
 			ctx->eth_ip_hdr_size = 0;
 			ctx->l4_hdr_size = 0;
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index ed54797db191..fc46a81ad538 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -70,10 +70,10 @@
 /*
  * Version numbers
  */
-#define VMXNET3_DRIVER_VERSION_STRING   "1.1.18.0-k"
+#define VMXNET3_DRIVER_VERSION_STRING   "1.1.29.0-k"
 
 /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
-#define VMXNET3_DRIVER_VERSION_NUM      0x01011200
+#define VMXNET3_DRIVER_VERSION_NUM      0x01011D00
 
 #if defined(CONFIG_PCI_MSI)
 	/* RSS only makes sense if MSI-X is supported. */
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index f901a17f76ba..86a891f93fc9 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -489,8 +489,6 @@ static int ar5008_hw_rf_alloc_ext_banks(struct ath_hw *ah)
 	ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows);
 	ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows);
 	ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows);
-	ATH_ALLOC_BANK(ah->addac5416_21,
-		       ah->iniAddac.ia_rows * ah->iniAddac.ia_columns);
 	ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows);
 
 	return 0;
@@ -519,7 +517,6 @@ static void ar5008_hw_rf_free_ext_banks(struct ath_hw *ah)
 	ATH_FREE_BANK(ah->analogBank6Data);
 	ATH_FREE_BANK(ah->analogBank6TPCData);
 	ATH_FREE_BANK(ah->analogBank7Data);
-	ATH_FREE_BANK(ah->addac5416_21);
 	ATH_FREE_BANK(ah->bank6Temp);
 
 #undef ATH_FREE_BANK
@@ -805,27 +802,7 @@ static int ar5008_hw_process_ini(struct ath_hw *ah,
 	if (ah->eep_ops->set_addac)
 		ah->eep_ops->set_addac(ah, chan);
 
-	if (AR_SREV_5416_22_OR_LATER(ah)) {
-		REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
-	} else {
-		struct ar5416IniArray temp;
-		u32 addacSize =
-			sizeof(u32) * ah->iniAddac.ia_rows *
-			ah->iniAddac.ia_columns;
-
-		/* For AR5416 2.0/2.1 */
-		memcpy(ah->addac5416_21,
-		       ah->iniAddac.ia_array, addacSize);
-
-		/* override CLKDRV value at [row, column] = [31, 1] */
-		(ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
-
-		temp.ia_array = ah->addac5416_21;
-		temp.ia_columns = ah->iniAddac.ia_columns;
-		temp.ia_rows = ah->iniAddac.ia_rows;
-		REG_WRITE_ARRAY(&temp, 1, regWrites);
-	}
-
+	REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
 	REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
 
 	ENABLE_REGWRITE_BUFFER(ah);
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index 11f192a1ceb7..d190411ac8f5 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -180,6 +180,25 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
 		INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
 			       ARRAY_SIZE(ar5416Addac), 2);
 	}
+
+	/* iniAddac needs to be modified for these chips */
+	if (AR_SREV_9160(ah) || !AR_SREV_5416_22_OR_LATER(ah)) {
+		struct ar5416IniArray *addac = &ah->iniAddac;
+		u32 size = sizeof(u32) * addac->ia_rows * addac->ia_columns;
+		u32 *data;
+
+		data = kmalloc(size, GFP_KERNEL);
+		if (!data)
+			return;
+
+		memcpy(data, addac->ia_array, size);
+		addac->ia_array = data;
+
+		if (!AR_SREV_5416_22_OR_LATER(ah)) {
+			/* override CLKDRV value */
+			INI_RA(addac, 31,1) = 0;
+		}
+	}
 }
 
 /* Support for Japan ch.14 (2484) spread */
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ee7759575050..87db1ee1c298 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1037,13 +1037,16 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
 
 	/*
 	 * Workaround for early ACK timeouts, add an offset to match the
-	 * initval's 64us ack timeout value.
+	 * initval's 64us ack timeout value. Use 48us for the CTS timeout.
 	 * This was initially only meant to work around an issue with delayed
 	 * BA frames in some implementations, but it has been found to fix ACK
 	 * timeout issues in other cases as well.
 	 */
-	if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
+	if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ) {
 		acktimeout += 64 - sifstime - ah->slottime;
+		ctstimeout += 48 - sifstime - ah->slottime;
+	}
+
 
 	ath9k_hw_set_sifs_time(ah, sifstime);
 	ath9k_hw_setslottime(ah, slottime);
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 6a29004a71b0..c8261d4fc780 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -940,7 +940,6 @@ struct ath_hw {
 	u32 *analogBank6Data;
 	u32 *analogBank6TPCData;
 	u32 *analogBank7Data;
-	u32 *addac5416_21;
 	u32 *bank6Temp;
 
 	u8 txpower_limit;
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index abf943557dee..53a005d288aa 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -822,6 +822,11 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,
 		ARRAY_SIZE(ath9k_tpt_blink));
 #endif
 
+	INIT_WORK(&sc->hw_reset_work, ath_reset_work);
+	INIT_WORK(&sc->hw_check_work, ath_hw_check);
+	INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
+	INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);
+
 	/* Register with mac80211 */
 	error = ieee80211_register_hw(hw);
 	if (error)
@@ -840,10 +845,6 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,
 			goto error_world;
 	}
 
-	INIT_WORK(&sc->hw_reset_work, ath_reset_work);
-	INIT_WORK(&sc->hw_check_work, ath_hw_check);
-	INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
-	INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);
 	sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
 
 	ath_init_leds(sc);
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index b3c3798fe513..a427a16bb739 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -694,7 +694,7 @@ static u8 ath_rc_get_highest_rix(struct ath_softc *sc,
 		return rate;
 
 	/* This should not happen */
-	WARN_ON(1);
+	WARN_ON_ONCE(1);
 
 	rate = ath_rc_priv->valid_rate_index[0];
 
@@ -1346,7 +1346,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 	fc = hdr->frame_control;
 	for (i = 0; i < sc->hw->max_rates; i++) {
 		struct ieee80211_tx_rate *rate = &tx_info->status.rates[i];
-		if (!rate->count)
+		if (rate->idx < 0 || !rate->count)
 			break;
 
 		final_ts_idx = i;
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 0e666fbe0842..7e1a91af1497 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -822,6 +822,14 @@ static bool ath9k_rx_accept(struct ath_common *common,
 		(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_CRC | ATH9K_RXERR_MIC |
 		 ATH9K_RXERR_KEYMISS));
 
+	/*
+	 * Key miss events are only relevant for pairwise keys where the
+	 * descriptor does contain a valid key index. This has been observed
+	 * mostly with CCMP encryption.
+	 */
+	if (rx_stats->rs_keyix == ATH9K_RXKEYIX_INVALID)
+		rx_stats->rs_status &= ~ATH9K_RXERR_KEYMISS;
+
 	if (!rx_stats->rs_datalen)
 		return false;
         /*
diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index d19a9ee9d057..bbc813dee983 100644
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/drivers/net/wireless/ath/carl9170/tx.c
@@ -1234,6 +1234,7 @@ static bool carl9170_tx_ps_drop(struct ar9170 *ar, struct sk_buff *skb)
 {
 	struct ieee80211_sta *sta;
 	struct carl9170_sta_info *sta_info;
+	struct ieee80211_tx_info *tx_info;
 
 	rcu_read_lock();
 	sta = __carl9170_get_tx_sta(ar, skb);
@@ -1241,16 +1242,18 @@ static bool carl9170_tx_ps_drop(struct ar9170 *ar, struct sk_buff *skb)
 		goto out_rcu;
 
 	sta_info = (void *) sta->drv_priv;
-	if (unlikely(sta_info->sleeping)) {
-		struct ieee80211_tx_info *tx_info;
+	tx_info = IEEE80211_SKB_CB(skb);
 
+	if (unlikely(sta_info->sleeping) &&
+	    !(tx_info->flags & (IEEE80211_TX_CTL_POLL_RESPONSE |
+				IEEE80211_TX_CTL_CLEAR_PS_FILT))) {
 		rcu_read_unlock();
 
-		tx_info = IEEE80211_SKB_CB(skb);
 		if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
 			atomic_dec(&ar->tx_ampdu_upload);
 
 		tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
+		carl9170_release_dev_space(ar, skb);
 		carl9170_tx_status(ar, skb, false);
 		return true;
 	}
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c
index 90911eec0cf5..30b58870b1b6 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c
@@ -1051,17 +1051,13 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb,
 		}
 		/* either retransmit or send bar if ack not recd */
 		if (!ack_recd) {
-			struct ieee80211_tx_rate *txrate =
-			    tx_info->status.rates;
-			if (retry && (txrate[0].count < (int)retry_limit)) {
+			if (retry && (ini->txretry[index] < (int)retry_limit)) {
 				ini->txretry[index]++;
 				ini->tx_in_transit--;
 				/*
 				 * Use high prededence for retransmit to
 				 * give some punch
 				 */
-				/* brcms_c_txq_enq(wlc, scb, p,
-				 * BRCMS_PRIO_TO_PREC(tid)); */
 				brcms_c_txq_enq(wlc, scb, p,
 						BRCMS_PRIO_TO_HI_PREC(tid));
 			} else {
@@ -1074,9 +1070,9 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb,
 				    IEEE80211_TX_STAT_AMPDU_NO_BACK;
 				skb_pull(p, D11_PHY_HDR_LEN);
 				skb_pull(p, D11_TXH_LEN);
-				wiphy_err(wiphy, "%s: BA Timeout, seq %d, in_"
-					"transit %d\n", "AMPDU status", seq,
-					ini->tx_in_transit);
+				BCMMSG(wiphy,
+				       "BA Timeout, seq %d, in_transit %d\n",
+				       seq, ini->tx_in_transit);
 				ieee80211_tx_status_irqsafe(wlc->pub->ieee_hw,
 							    p);
 			}
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 64cf439035c3..ca78e91de86c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -1240,7 +1240,7 @@ int iwlagn_suspend(struct iwl_priv *priv,
 				.flags = CMD_SYNC,
 				.data[0] = key_data.rsc_tsc,
 				.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
-				.len[0] = sizeof(key_data.rsc_tsc),
+				.len[0] = sizeof(*key_data.rsc_tsc),
 			};
 
 			ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index 7353826095f1..e483cfa8d14e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -1187,6 +1187,7 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
 	unsigned long flags;
 	struct iwl_addsta_cmd sta_cmd;
 	u8 sta_id = iwlagn_key_sta_id(priv, ctx->vif, sta);
+	__le16 key_flags;
 
 	/* if station isn't there, neither is the key */
 	if (sta_id == IWL_INVALID_STATION)
@@ -1212,7 +1213,14 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
 		IWL_ERR(priv, "offset %d not used in uCode key table.\n",
 			keyconf->hw_key_idx);
 
-	sta_cmd.key.key_flags = STA_KEY_FLG_NO_ENC | STA_KEY_FLG_INVALID;
+	key_flags = cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
+	key_flags |= STA_KEY_FLG_MAP_KEY_MSK | STA_KEY_FLG_NO_ENC |
+		     STA_KEY_FLG_INVALID;
+
+	if (!(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+		key_flags |= STA_KEY_MULTICAST_MSK;
+
+	sta_cmd.key.key_flags = key_flags;
 	sta_cmd.key.key_offset = WEP_INVALID_OFFSET;
 	sta_cmd.sta.modify_mask = STA_MODIFY_KEY_MASK;
 	sta_cmd.mode = STA_CONTROL_MODIFY_MSK;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index c664c2726553..63bbc60be28e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -91,6 +91,7 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
 		tx_cmd->tid_tspec = qc[0] & 0xf;
 		tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
 	} else {
+		tx_cmd->tid_tspec = IWL_TID_NON_QOS;
 		if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
 			tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
 		else
@@ -620,7 +621,7 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 	sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit =
 		sta_priv->max_agg_bufsize;
 
-	IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n",
+	IWL_DEBUG_HT(priv, "Tx aggregation enabled on ra = %pM tid = %d\n",
 		 sta->addr, tid);
 
 	return iwl_send_lq_cmd(priv, ctx,
@@ -808,6 +809,8 @@ static void iwl_rx_reply_tx_agg(struct iwl_priv *priv,
 	u32 status = le16_to_cpu(tx_resp->status.status);
 	int i;
 
+	WARN_ON(tid == IWL_TID_NON_QOS);
+
 	if (agg->wait_for_ba)
 		IWL_DEBUG_TX_REPLY(priv,
 			"got tx response w/o block-ack\n");
@@ -1035,10 +1038,13 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
 		}
 
 		__skb_queue_head_init(&skbs);
-		priv->tid_data[sta_id][tid].next_reclaimed = next_reclaimed;
 
-		IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d",
-					  next_reclaimed);
+		if (tid != IWL_TID_NON_QOS) {
+			priv->tid_data[sta_id][tid].next_reclaimed =
+				next_reclaimed;
+			IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d",
+						  next_reclaimed);
+		}
 
 		/*we can free until ssn % q.n_bd not inclusive */
 		WARN_ON(iwl_trans_reclaim(trans(priv), sta_id, tid, txq_id,
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 265de39d394c..f822ac447c3b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -815,6 +815,7 @@ struct iwl_qosparam_cmd {
 
 #define	IWL_INVALID_STATION 	255
 #define IWL_MAX_TID_COUNT	8
+#define IWL_TID_NON_QOS IWL_MAX_TID_COUNT
 
 #define STA_FLG_TX_RATE_MSK		cpu_to_le32(1 << 2)
 #define STA_FLG_PWR_SAVE_MSK		cpu_to_le32(1 << 8)
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index 67d6e324e26f..324d06dfb690 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1262,6 +1262,7 @@ static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid,
 	txq->time_stamp = jiffies;
 
 	if (unlikely(txq_id >= IWLAGN_FIRST_AMPDU_QUEUE &&
+		     tid != IWL_TID_NON_QOS &&
 		     txq_id != trans_pcie->agg_txq[sta_id][tid])) {
 		/*
 		 * FIXME: this is a uCode bug which need to be addressed,
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index c3b6c4652cd6..2210a0f9af2d 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -841,7 +841,13 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
 		ret = mwifiex_set_rf_channel(priv, channel,
 						priv->adapter->channel_type);
 
-	ret = mwifiex_set_encode(priv, NULL, 0, 0, 1);	/* Disable keys */
+	/* As this is new association, clear locally stored
+	 * keys and security related flags */
+	priv->sec_info.wpa_enabled = false;
+	priv->sec_info.wpa2_enabled = false;
+	priv->wep_key_curr_index = 0;
+	priv->sec_info.encryption_mode = 0;
+	ret = mwifiex_set_encode(priv, NULL, 0, 0, 1);
 
 	if (mode == NL80211_IFTYPE_ADHOC) {
 		/* "privacy" is set only for ad-hoc mode */
@@ -886,6 +892,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
 			dev_dbg(priv->adapter->dev,
 				"info: setting wep encryption"
 				" with key len %d\n", sme->key_len);
+			priv->wep_key_curr_index = sme->key_idx;
 			ret = mwifiex_set_encode(priv, sme->key, sme->key_len,
 							sme->key_idx, 0);
 		}
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index e05b417a3fae..1d0ec57a0143 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -382,7 +382,8 @@ mwifiex_free_adapter(struct mwifiex_adapter *adapter)
 
 	adapter->if_ops.cleanup_if(adapter);
 
-	dev_kfree_skb_any(adapter->sleep_cfm);
+	if (adapter->sleep_cfm)
+		dev_kfree_skb_any(adapter->sleep_cfm);
 }
 
 /*
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 84be196188cc..b728f54451e4 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -822,7 +822,9 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
 			continue;
 
 		rtnl_lock();
-		mwifiex_del_virtual_intf(priv->wdev->wiphy, priv->netdev);
+		if (priv->wdev && priv->netdev)
+			mwifiex_del_virtual_intf(priv->wdev->wiphy,
+						 priv->netdev);
 		rtnl_unlock();
 	}
 
@@ -830,9 +832,11 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
 	if (!priv)
 		goto exit_remove;
 
-	wiphy_unregister(priv->wdev->wiphy);
-	wiphy_free(priv->wdev->wiphy);
-	kfree(priv->wdev);
+	if (priv->wdev) {
+		wiphy_unregister(priv->wdev->wiphy);
+		wiphy_free(priv->wdev->wiphy);
+		kfree(priv->wdev);
+	}
 
 	mwifiex_terminate_workqueue(adapter);
 
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 470ca75ec250..b0fbf5d4fea0 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -54,7 +54,7 @@ int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
 {
 	bool cancel_flag = false;
-	int status = adapter->cmd_wait_q.status;
+	int status;
 	struct cmd_ctrl_node *cmd_queued;
 
 	if (!adapter->cmd_queued)
@@ -79,6 +79,8 @@ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
 		mwifiex_cancel_pending_ioctl(adapter);
 		dev_dbg(adapter->dev, "cmd cancel\n");
 	}
+
+	status = adapter->cmd_wait_q.status;
 	adapter->cmd_wait_q.status = 0;
 
 	return status;
@@ -240,6 +242,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 
 		if (!netif_queue_stopped(priv->netdev))
 			mwifiex_stop_net_dev_queue(priv->netdev, adapter);
+		if (netif_carrier_ok(priv->netdev))
+			netif_carrier_off(priv->netdev);
 
 		/* Clear any past association response stored for
 		 * application retrieval */
@@ -271,6 +275,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 
 		if (!netif_queue_stopped(priv->netdev))
 			mwifiex_stop_net_dev_queue(priv->netdev, adapter);
+		if (netif_carrier_ok(priv->netdev))
+			netif_carrier_off(priv->netdev);
 
 		if (!ret) {
 			dev_dbg(adapter->dev, "info: network found in scan"
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 22a1a8fc6e02..7bef66def10c 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -514,9 +514,9 @@ EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
 
 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
 {
-	int rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
-	int rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
-	int rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
+	s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
+	s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
+	s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
 	u16 eeprom;
 	u8 offset0;
 	u8 offset1;
@@ -552,7 +552,7 @@ static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
 	 * which gives less energy...
 	 */
 	rssi0 = max(rssi0, rssi1);
-	return max(rssi0, rssi2);
+	return (int)max(rssi0, rssi2);
 }
 
 void rt2800_process_rxwi(struct queue_entry *entry,
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index c3e1aa7c1a80..d2a1ea98d0f2 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1220,7 +1220,8 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
 		cancel_work_sync(&rt2x00dev->rxdone_work);
 		cancel_work_sync(&rt2x00dev->txdone_work);
 	}
-	destroy_workqueue(rt2x00dev->workqueue);
+	if (rt2x00dev->workqueue)
+		destroy_workqueue(rt2x00dev->workqueue);
 
 	/*
 	 * Free the tx status fifo.
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 39e0907a3c4e..9245d882c06a 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -1501,7 +1501,7 @@ static int rtl_pci_init(struct ieee80211_hw *hw, struct pci_dev *pdev)
 		return err;
 	}
 
-	return 1;
+	return 0;
 }
 
 static int rtl_pci_start(struct ieee80211_hw *hw)
@@ -1870,7 +1870,7 @@ int __devinit rtl_pci_probe(struct pci_dev *pdev,
 	}
 
 	/* Init PCI sw */
-	err = !rtl_pci_init(hw, pdev);
+	err = rtl_pci_init(hw, pdev);
 	if (err) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 			 ("Failed to init PCI.\n"));
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 0a70149df3fc..98a574a4a465 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -866,6 +866,14 @@ static int fill_ctrlset(struct zd_mac *mac,
 
 	ZD_ASSERT(frag_len <= 0xffff);
 
+	/*
+	 * Firmware computes the duration itself (for all frames except PSPoll)
+	 * and needs the field set to 0 at input, otherwise firmware messes up
+	 * duration_id and sets bits 14 and 15 on.
+	 */
+	if (!ieee80211_is_pspoll(hdr->frame_control))
+		hdr->duration_id = 0;
+
 	txrate = ieee80211_get_tx_rate(mac->hw, info);
 
 	cs->modulation = txrate->hw_value;
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index ea2bd1be2640..91a375fb6ae6 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -23,7 +23,6 @@
 #include <asm/machdep.h>
 #endif /* CONFIG_PPC */
 
-#include <asm/setup.h>
 #include <asm/page.h>
 
 char *of_fdt_get_string(struct boot_param_header *blob, u32 offset)
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 980c079e4443..483c0adcad87 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -182,7 +182,7 @@ struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
 	if (!phy_id || sz < sizeof(*phy_id))
 		return NULL;
 
-	sprintf(bus_id, PHY_ID_FMT, "0", be32_to_cpu(phy_id[0]));
+	sprintf(bus_id, PHY_ID_FMT, "fixed-0", be32_to_cpu(phy_id[0]));
 
 	phy = phy_connect(dev, bus_id, hndlr, 0, iface);
 	return IS_ERR(phy) ? NULL : phy;
diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h
index a9c46cc2db37..8c33491b21fe 100644
--- a/drivers/parisc/iommu-helpers.h
+++ b/drivers/parisc/iommu-helpers.h
@@ -1,3 +1,5 @@
+#include <linux/prefetch.h>
+
 /**
  * iommu_fill_pdir - Insert coalesced scatter/gather chunks into the I/O Pdir.
  * @ioc: The I/O Controller.
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 0321fa3b4226..0dab5ecf61bb 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -347,8 +347,6 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 			return rc;
 	}
 
-	pci_write_config_dword(dev, iov->pos + PCI_SRIOV_SYS_PGSIZE, iov->pgsz);
-
 	iov->ctrl |= PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE;
 	pci_cfg_access_lock(dev);
 	pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
@@ -466,6 +464,7 @@ found:
 		return -EIO;
 
 	pgsz &= ~(pgsz - 1);
+	pci_write_config_dword(dev, pos + PCI_SRIOV_SYS_PGSIZE, pgsz);
 
 	nres = 0;
 	for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 7cc9e2f0f47c..71eac9cd724d 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -651,6 +651,11 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
 	dev_dbg(&dev->dev, "scanning [bus %02x-%02x] behind bridge, pass %d\n",
 		secondary, subordinate, pass);
 
+	if (!primary && (primary != bus->number) && secondary && subordinate) {
+		dev_warn(&dev->dev, "Primary bus is hard wired to 0\n");
+		primary = bus->number;
+	}
+
 	/* Check if setup is sensible at all */
 	if (!pass &&
 	    (primary != bus->number || secondary <= bus->number)) {
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 6def3624c688..ef8b18c48f26 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -77,6 +77,7 @@ void pci_remove_bus(struct pci_bus *pci_bus)
 }
 EXPORT_SYMBOL(pci_remove_bus);
 
+static void __pci_remove_behind_bridge(struct pci_dev *dev);
 /**
  * pci_remove_bus_device - remove a PCI device and any children
  * @dev: the device to remove
@@ -94,7 +95,7 @@ static void __pci_remove_bus_device(struct pci_dev *dev)
 	if (dev->subordinate) {
 		struct pci_bus *b = dev->subordinate;
 
-		pci_remove_behind_bridge(dev);
+		__pci_remove_behind_bridge(dev);
 		pci_remove_bus(b);
 		dev->subordinate = NULL;
 	}
@@ -107,6 +108,24 @@ void pci_remove_bus_device(struct pci_dev *dev)
 	__pci_remove_bus_device(dev);
 }
 
+static void __pci_remove_behind_bridge(struct pci_dev *dev)
+{
+	struct list_head *l, *n;
+
+	if (dev->subordinate)
+		list_for_each_safe(l, n, &dev->subordinate->devices)
+			__pci_remove_bus_device(pci_dev_b(l));
+}
+
+static void pci_stop_behind_bridge(struct pci_dev *dev)
+{
+	struct list_head *l, *n;
+
+	if (dev->subordinate)
+		list_for_each_safe(l, n, &dev->subordinate->devices)
+			pci_stop_bus_device(pci_dev_b(l));
+}
+
 /**
  * pci_remove_behind_bridge - remove all devices behind a PCI bridge
  * @dev: PCI bridge device
@@ -117,11 +136,8 @@ void pci_remove_bus_device(struct pci_dev *dev)
  */
 void pci_remove_behind_bridge(struct pci_dev *dev)
 {
-	struct list_head *l, *n;
-
-	if (dev->subordinate)
-		list_for_each_safe(l, n, &dev->subordinate->devices)
-			__pci_remove_bus_device(pci_dev_b(l));
+	pci_stop_behind_bridge(dev);
+	__pci_remove_behind_bridge(dev);
 }
 
 static void pci_stop_bus_devices(struct pci_bus *bus)
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index 7cf3d2fcf56a..1620088a0e7e 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -189,7 +189,7 @@ static int pcifront_bus_read(struct pci_bus *bus, unsigned int devfn,
 
 	if (verbose_request)
 		dev_info(&pdev->xdev->dev,
-			 "read dev=%04x:%02x:%02x.%01x - offset %x size %d\n",
+			 "read dev=%04x:%02x:%02x.%d - offset %x size %d\n",
 			 pci_domain_nr(bus), bus->number, PCI_SLOT(devfn),
 			 PCI_FUNC(devfn), where, size);
 
@@ -228,7 +228,7 @@ static int pcifront_bus_write(struct pci_bus *bus, unsigned int devfn,
 
 	if (verbose_request)
 		dev_info(&pdev->xdev->dev,
-			 "write dev=%04x:%02x:%02x.%01x - "
+			 "write dev=%04x:%02x:%02x.%d - "
 			 "offset %x size %d val %x\n",
 			 pci_domain_nr(bus), bus->number,
 			 PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, val);
@@ -432,7 +432,7 @@ static int __devinit pcifront_scan_bus(struct pcifront_device *pdev,
 		d = pci_scan_single_device(b, devfn);
 		if (d)
 			dev_info(&pdev->xdev->dev, "New device on "
-				 "%04x:%02x:%02x.%02x found.\n", domain, bus,
+				 "%04x:%02x:%02x.%d found.\n", domain, bus,
 				 PCI_SLOT(devfn), PCI_FUNC(devfn));
 	}
 
@@ -1041,7 +1041,7 @@ static int pcifront_detach_devices(struct pcifront_device *pdev)
 		pci_dev = pci_get_slot(pci_bus, PCI_DEVFN(slot, func));
 		if (!pci_dev) {
 			dev_dbg(&pdev->xdev->dev,
-				"Cannot get PCI device %04x:%02x:%02x.%02x\n",
+				"Cannot get PCI device %04x:%02x:%02x.%d\n",
 				domain, bus, slot, func);
 			continue;
 		}
@@ -1049,7 +1049,7 @@ static int pcifront_detach_devices(struct pcifront_device *pdev)
 		pci_dev_put(pci_dev);
 
 		dev_dbg(&pdev->xdev->dev,
-			"PCI device %04x:%02x:%02x.%02x removed.\n",
+			"PCI device %04x:%02x:%02x.%d removed.\n",
 			domain, bus, slot, func);
 	}
 
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 749c2a16012c..1932029de48d 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -1269,10 +1269,8 @@ static int pcmcia_bus_add(struct pcmcia_socket *skt)
 
 static int pcmcia_bus_early_resume(struct pcmcia_socket *skt)
 {
-	if (!verify_cis_cache(skt)) {
-		pcmcia_put_socket(skt);
+	if (!verify_cis_cache(skt))
 		return 0;
-	}
 
 	dev_dbg(&skt->dev, "cis mismatch - different card\n");
 
diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c
index a87e2728b2c3..64d433ec4fc6 100644
--- a/drivers/pcmcia/pxa2xx_base.c
+++ b/drivers/pcmcia/pxa2xx_base.c
@@ -328,21 +328,15 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev)
 			goto err1;
 	}
 
-	if (ret) {
-		while (--i >= 0)
-			soc_pcmcia_remove_one(&sinfo->skt[i]);
-		kfree(sinfo);
-		clk_put(clk);
-	} else {
-		pxa2xx_configure_sockets(&dev->dev);
-		dev_set_drvdata(&dev->dev, sinfo);
-	}
+	pxa2xx_configure_sockets(&dev->dev);
+	dev_set_drvdata(&dev->dev, sinfo);
 
 	return 0;
 
 err1:
 	while (--i >= 0)
 		soc_pcmcia_remove_one(&sinfo->skt[i]);
+	clk_put(clk);
 	kfree(sinfo);
 err0:
 	return ret;
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 8fe15cf15ac8..894cd5e103da 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -189,7 +189,7 @@ static int pinctrl_register_one_pin(struct pinctrl_dev *pctldev,
 	pindesc->pctldev = pctldev;
 
 	/* Copy basic pin info */
-	if (pindesc->name) {
+	if (name) {
 		pindesc->name = name;
 	} else {
 		pindesc->name = kasprintf(GFP_KERNEL, "PIN%u", number);
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 42a7d603c870..7481146a5b47 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -33,6 +33,8 @@
 #include <linux/mutex.h>
 #include <asm/bios_ebda.h>
 
+#include <asm-generic/io-64-nonatomic-lo-hi.h>
+
 static bool force;
 module_param(force, bool, 0);
 MODULE_PARM_DESC(force, "Force driver load, ignore DMI data");
@@ -83,19 +85,6 @@ static void __iomem *rtl_cmd_addr;
 static u8 rtl_cmd_type;
 static u8 rtl_cmd_width;
 
-#ifndef readq
-static inline __u64 readq(const volatile void __iomem *addr)
-{
-	const volatile u32 __iomem *p = addr;
-	u32 low, high;
-
-	low = readl(p);
-	high = readl(p + 1);
-
-	return low + ((u64)high << 32);
-}
-#endif
-
 static void __iomem *rtl_port_map(phys_addr_t addr, unsigned long len)
 {
 	if (rtl_cmd_type == RTL_ADDR_TYPE_MMIO)
diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index 809a3ae943c6..88a98cff5a44 100644
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -77,6 +77,8 @@
 #include <asm/processor.h>
 #include "intel_ips.h"
 
+#include <asm-generic/io-64-nonatomic-lo-hi.h>
+
 #define PCI_DEVICE_ID_INTEL_THERMAL_SENSOR 0x3b32
 
 /*
@@ -344,19 +346,6 @@ struct ips_driver {
 static bool
 ips_gpu_turbo_enabled(struct ips_driver *ips);
 
-#ifndef readq
-static inline __u64 readq(const volatile void __iomem *addr)
-{
-	const volatile u32 __iomem *p = addr;
-	u32 low, high;
-
-	low = readl(p);
-	high = readl(p + 1);
-
-	return low + ((u64)high << 32);
-}
-#endif
-
 /**
  * ips_cpu_busy - is CPU busy?
  * @ips: IPS driver struct
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index 98bf5676318d..1ed6ea0bad6e 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -62,11 +62,10 @@
 
 #define BQ27500_REG_SOC			0x2C
 #define BQ27500_REG_DCAP		0x3C /* Design capacity */
-#define BQ27500_FLAG_DSG		BIT(0) /* Discharging */
+#define BQ27500_FLAG_DSC		BIT(0)
 #define BQ27500_FLAG_SOCF		BIT(1) /* State-of-Charge threshold final */
 #define BQ27500_FLAG_SOC1		BIT(2) /* State-of-Charge threshold 1 */
-#define BQ27500_FLAG_CHG		BIT(8) /* Charging */
-#define BQ27500_FLAG_FC			BIT(9) /* Fully charged */
+#define BQ27500_FLAG_FC			BIT(9)
 
 #define BQ27000_RS			20 /* Resistor sense */
 
@@ -312,7 +311,7 @@ static void bq27x00_update(struct bq27x00_device_info *di)
 	struct bq27x00_reg_cache cache = {0, };
 	bool is_bq27500 = di->chip == BQ27500;
 
-	cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, is_bq27500);
+	cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, !is_bq27500);
 	if (cache.flags >= 0) {
 		if (!is_bq27500 && (cache.flags & BQ27000_FLAG_CI)) {
 			dev_info(di->dev, "battery is not calibrated! ignoring capacity values\n");
@@ -401,14 +400,10 @@ static int bq27x00_battery_status(struct bq27x00_device_info *di,
 	if (di->chip == BQ27500) {
 		if (di->cache.flags & BQ27500_FLAG_FC)
 			status = POWER_SUPPLY_STATUS_FULL;
-		else if (di->cache.flags & BQ27500_FLAG_DSG)
+		else if (di->cache.flags & BQ27500_FLAG_DSC)
 			status = POWER_SUPPLY_STATUS_DISCHARGING;
-		else if (di->cache.flags & BQ27500_FLAG_CHG)
-			status = POWER_SUPPLY_STATUS_CHARGING;
-		else if (power_supply_am_i_supplied(&di->bat))
-			status = POWER_SUPPLY_STATUS_NOT_CHARGING;
 		else
-			status = POWER_SUPPLY_STATUS_UNKNOWN;
+			status = POWER_SUPPLY_STATUS_CHARGING;
 	} else {
 		if (di->cache.flags & BQ27000_FLAG_FC)
 			status = POWER_SUPPLY_STATUS_FULL;
diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 0378d019efae..88fd9710bda2 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -974,10 +974,11 @@ static int __devexit charger_manager_remove(struct platform_device *pdev)
 	return 0;
 }
 
-const struct platform_device_id charger_manager_id[] = {
+static const struct platform_device_id charger_manager_id[] = {
 	{ "charger-manager", 0 },
 	{ },
 };
+MODULE_DEVICE_TABLE(platform, charger_manager_id);
 
 static int cm_suspend_prepare(struct device *dev)
 {
@@ -1069,4 +1070,3 @@ module_exit(charger_manager_cleanup);
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
 MODULE_DESCRIPTION("Charger Manager");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("charger-manager");
diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c
index b15b575c070c..c53dd1292f81 100644
--- a/drivers/power/lp8727_charger.c
+++ b/drivers/power/lp8727_charger.c
@@ -464,6 +464,7 @@ static int __devexit lp8727_remove(struct i2c_client *cl)
 
 static const struct i2c_device_id lp8727_ids[] = {
 	{"lp8727", 0},
+	{ }
 };
 
 static struct i2c_driver lp8727_driver = {
diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c
index 2baadd21b7a6..98fbe62694d4 100644
--- a/drivers/pps/pps.c
+++ b/drivers/pps/pps.c
@@ -369,9 +369,9 @@ static int __init pps_init(void)
 	int err;
 
 	pps_class = class_create(THIS_MODULE, "pps");
-	if (!pps_class) {
+	if (IS_ERR(pps_class)) {
 		pr_err("failed to allocate class\n");
-		return -ENOMEM;
+		return PTR_ERR(pps_class);
 	}
 	pps_class->dev_attrs = pps_attrs;
 
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 691b1ab1a3d0..30d2072f480b 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -410,13 +410,14 @@ static void tsi721_db_dpc(struct work_struct *work)
 	 */
 	mport = priv->mport;
 
-	wr_ptr = ioread32(priv->regs + TSI721_IDQ_WP(IDB_QUEUE));
-	rd_ptr = ioread32(priv->regs + TSI721_IDQ_RP(IDB_QUEUE));
+	wr_ptr = ioread32(priv->regs + TSI721_IDQ_WP(IDB_QUEUE)) % IDB_QSIZE;
+	rd_ptr = ioread32(priv->regs + TSI721_IDQ_RP(IDB_QUEUE)) % IDB_QSIZE;
 
 	while (wr_ptr != rd_ptr) {
 		idb_entry = (u64 *)(priv->idb_base +
 					(TSI721_IDB_ENTRY_SIZE * rd_ptr));
 		rd_ptr++;
+		rd_ptr %= IDB_QSIZE;
 		idb.msg = *idb_entry;
 		*idb_entry = 0;
 
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index df33530cec4a..28b81ae4cf7f 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -196,7 +196,7 @@ static const unsigned int LDO12_suspend_table[] = {
 };
 
 static const unsigned int LDO13_table[] = {
-	1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, 0,
+	1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
 };
 
 static const unsigned int LDO13_suspend_table[] = {
@@ -389,10 +389,10 @@ static struct pm8607_regulator_info pm8607_regulator_info[] = {
 	PM8607_LDO( 7,         LDO7, 0, 3, SUPPLIES_EN12, 1),
 	PM8607_LDO( 8,         LDO8, 0, 3, SUPPLIES_EN12, 2),
 	PM8607_LDO( 9,         LDO9, 0, 3, SUPPLIES_EN12, 3),
-	PM8607_LDO(10,        LDO10, 0, 3, SUPPLIES_EN12, 4),
+	PM8607_LDO(10,        LDO10, 0, 4, SUPPLIES_EN12, 4),
 	PM8607_LDO(12,        LDO12, 0, 4, SUPPLIES_EN12, 5),
 	PM8607_LDO(13, VIBRATOR_SET, 1, 3,  VIBRATOR_SET, 0),
-	PM8607_LDO(14,        LDO14, 0, 4, SUPPLIES_EN12, 6),
+	PM8607_LDO(14,        LDO14, 0, 3, SUPPLIES_EN12, 6),
 };
 
 static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index 3767364452fd..ea4d8f575ac6 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -260,8 +260,8 @@ static int da9052_set_ldo5_6_voltage(struct regulator_dev *rdev,
 	 * the LDO activate bit to implment the changes on the
 	 * LDO output.
 	*/
-	return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG, 0,
-				 info->activate_bit);
+	return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG,
+				 info->activate_bit, info->activate_bit);
 }
 
 static int da9052_set_dcdc_voltage(struct regulator_dev *rdev,
@@ -280,8 +280,8 @@ static int da9052_set_dcdc_voltage(struct regulator_dev *rdev,
 	 * the DCDC activate bit to implment the changes on the
 	 * DCDC output.
 	*/
-	return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG, 0,
-				 info->activate_bit);
+	return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG,
+				 info->activate_bit, info->activate_bit);
 }
 
 static int da9052_get_regulator_voltage_sel(struct regulator_dev *rdev)
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index b06a2399587c..d0e1180ad961 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -150,7 +150,7 @@ static int max8649_enable_time(struct regulator_dev *rdev)
 	if (ret != 0)
 		return ret;
 	val &= MAX8649_VOL_MASK;
-	voltage = max8649_list_voltage(rdev, (unsigned char)ret); /* uV */
+	voltage = max8649_list_voltage(rdev, (unsigned char)val); /* uV */
 
 	/* get rate */
 	ret = regmap_read(info->regmap, MAX8649_RAMP, &val);
diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c
index 80ecafef1bc3..62dcd0a432bb 100644
--- a/drivers/regulator/mc13xxx-regulator-core.c
+++ b/drivers/regulator/mc13xxx-regulator-core.c
@@ -254,6 +254,7 @@ int __devinit mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
 
 	return num;
 }
+EXPORT_SYMBOL_GPL(mc13xxx_get_num_regulators_dt);
 
 struct mc13xxx_regulator_init_data * __devinit mc13xxx_parse_regulators_dt(
 	struct platform_device *pdev, struct mc13xxx_regulator *regulators,
@@ -291,6 +292,7 @@ struct mc13xxx_regulator_init_data * __devinit mc13xxx_parse_regulators_dt(
 
 	return data;
 }
+EXPORT_SYMBOL_GPL(mc13xxx_parse_regulators_dt);
 #endif
 
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 5c15ba01e9c7..40ecf5165899 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -662,7 +662,7 @@ static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
 		tps65910_reg_write(pmic, TPS65910_VDD2_OP, vsel);
 		break;
 	case TPS65911_REG_VDDCTRL:
-		vsel = selector;
+		vsel = selector + 3;
 		tps65910_reg_write(pmic, TPS65911_VDDCTRL_OP, vsel);
 	}
 
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index a3ad957507dc..ee3c122c0599 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -307,8 +307,12 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
 		device_init_wakeup(&pdev->dev, 1);
 
 	platform_set_drvdata(pdev, rtc);
-	rtc->rtt = (void __force __iomem *) (AT91_VA_BASE_SYS - AT91_BASE_SYS);
-	rtc->rtt += r->start;
+	rtc->rtt = ioremap(r->start, resource_size(r));
+	if (!rtc->rtt) {
+		dev_err(&pdev->dev, "failed to map registers, aborting.\n");
+		ret = -ENOMEM;
+		goto fail;
+	}
 
 	mr = rtt_readl(rtc, MR);
 
@@ -326,7 +330,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
 				&at91_rtc_ops, THIS_MODULE);
 	if (IS_ERR(rtc->rtcdev)) {
 		ret = PTR_ERR(rtc->rtcdev);
-		goto fail;
+		goto fail_register;
 	}
 
 	/* register irq handler after we know what name we'll use */
@@ -351,6 +355,8 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
 
 	return 0;
 
+fail_register:
+	iounmap(rtc->rtt);
 fail:
 	platform_set_drvdata(pdev, NULL);
 	kfree(rtc);
@@ -371,6 +377,7 @@ static int __exit at91_rtc_remove(struct platform_device *pdev)
 
 	rtc_device_unregister(rtc->rtcdev);
 
+	iounmap(rtc->rtt);
 	platform_set_drvdata(pdev, NULL);
 	kfree(rtc);
 	return 0;
diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c
index 9beba49c3c5b..2853c2a6f10f 100644
--- a/drivers/rtc/rtc-r9701.c
+++ b/drivers/rtc/rtc-r9701.c
@@ -125,6 +125,13 @@ static int __devinit r9701_probe(struct spi_device *spi)
 	unsigned char tmp;
 	int res;
 
+	tmp = R100CNT;
+	res = read_regs(&spi->dev, &tmp, 1);
+	if (res || tmp != 0x20) {
+		dev_err(&spi->dev, "cannot read RTC register\n");
+		return -ENODEV;
+	}
+
 	rtc = rtc_device_register("r9701",
 				&spi->dev, &r9701_rtc_ops, THIS_MODULE);
 	if (IS_ERR(rtc))
@@ -132,13 +139,6 @@ static int __devinit r9701_probe(struct spi_device *spi)
 
 	dev_set_drvdata(&spi->dev, rtc);
 
-	tmp = R100CNT;
-	res = read_regs(&spi->dev, &tmp, 1);
-	if (res || tmp != 0x20) {
-		rtc_device_unregister(rtc);
-		return res;
-	}
-
 	return 0;
 }
 
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 70880be26015..2617b1ed4709 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -18,12 +18,12 @@
 #include <linux/hdreg.h>	/* HDIO_GETGEO			    */
 #include <linux/bio.h>
 #include <linux/module.h>
+#include <linux/compat.h>
 #include <linux/init.h>
 
 #include <asm/debug.h>
 #include <asm/idals.h>
 #include <asm/ebcdic.h>
-#include <asm/compat.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/cio.h>
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index f1a2016829fc..792c69e78fe2 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -13,6 +13,7 @@
 #define KMSG_COMPONENT "dasd"
 
 #include <linux/interrupt.h>
+#include <linux/compat.h>
 #include <linux/major.h>
 #include <linux/fs.h>
 #include <linux/blkpg.h>
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 934458ad55e5..e71a50d4b221 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -87,6 +87,7 @@ struct raw3215_info {
 	struct tty_struct *tty;	      /* pointer to tty structure if present */
 	struct raw3215_req *queued_read; /* pointer to queued read requests */
 	struct raw3215_req *queued_write;/* pointer to queued write requests */
+	struct tasklet_struct tlet;   /* tasklet to invoke tty_wakeup */
 	wait_queue_head_t empty_wait; /* wait queue for flushing */
 	struct timer_list timer;      /* timer for delayed output */
 	int line_pos;		      /* position on the line (for tabs) */
@@ -334,19 +335,23 @@ static inline void raw3215_try_io(struct raw3215_info *raw)
 }
 
 /*
+ * Call tty_wakeup from tasklet context
+ */
+static void raw3215_wakeup(unsigned long data)
+{
+	struct raw3215_info *raw = (struct raw3215_info *) data;
+	tty_wakeup(raw->tty);
+}
+
+/*
  * Try to start the next IO and wake up processes waiting on the tty.
  */
 static void raw3215_next_io(struct raw3215_info *raw)
 {
-	struct tty_struct *tty;
-
 	raw3215_mk_write_req(raw);
 	raw3215_try_io(raw);
-	tty = raw->tty;
-	if (tty != NULL &&
-	    RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE) {
-	    	tty_wakeup(tty);
-	}
+	if (raw->tty && RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE)
+		tasklet_schedule(&raw->tlet);
 }
 
 /*
@@ -682,6 +687,7 @@ static int raw3215_probe (struct ccw_device *cdev)
 		return -ENOMEM;
 	}
 	init_waitqueue_head(&raw->empty_wait);
+	tasklet_init(&raw->tlet, raw3215_wakeup, (unsigned long) raw);
 
 	dev_set_drvdata(&cdev->dev, raw);
 	cdev->handler = raw3215_irq;
@@ -901,6 +907,7 @@ static int __init con3215_init(void)
 
 	raw->flags |= RAW3215_FIXED;
 	init_waitqueue_head(&raw->empty_wait);
+	tasklet_init(&raw->tlet, raw3215_wakeup, (unsigned long) raw);
 
 	/* Request the console irq */
 	if (raw3215_startup(raw) != 0) {
@@ -966,6 +973,7 @@ static void tty3215_close(struct tty_struct *tty, struct file * filp)
 	tty->closing = 1;
 	/* Shutdown the terminal */
 	raw3215_shutdown(raw);
+	tasklet_kill(&raw->tlet);
 	tty->closing = 0;
 	raw->tty = NULL;
 }
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index e71298158f9e..911704571b9c 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -11,6 +11,7 @@
 #include <linux/console.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/compat.h>
 #include <linux/module.h>
 #include <linux/list.h>
 #include <linux/slab.h>
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 75bde6a8b7dc..89c03e6b1c0c 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -13,6 +13,7 @@
 
 #include <linux/fs.h>
 #include <linux/init.h>
+#include <linux/compat.h>
 #include <linux/kernel.h>
 #include <linux/miscdevice.h>
 #include <linux/slab.h>
diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c
index 0c87b0fc7714..8f9a1a384496 100644
--- a/drivers/s390/cio/chsc_sch.c
+++ b/drivers/s390/cio/chsc_sch.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/slab.h>
+#include <linux/compat.h>
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/uaccess.h>
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 3ef8d071c64a..770a740a393c 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -167,7 +167,7 @@ again:
 	DBF_ERROR("%4x EQBS ERROR", SCH_NO(q));
 	DBF_ERROR("%3d%3d%2d", count, tmp_count, nr);
 	q->handler(q->irq_ptr->cdev, QDIO_ERROR_ACTIVATE_CHECK_CONDITION,
-		   0, -1, -1, q->irq_ptr->int_parm);
+		   q->nr, q->first_to_kick, count, q->irq_ptr->int_parm);
 	return 0;
 }
 
@@ -215,7 +215,7 @@ again:
 	DBF_ERROR("%4x SQBS ERROR", SCH_NO(q));
 	DBF_ERROR("%3d%3d%2d", count, tmp_count, nr);
 	q->handler(q->irq_ptr->cdev, QDIO_ERROR_ACTIVATE_CHECK_CONDITION,
-		   0, -1, -1, q->irq_ptr->int_parm);
+		   q->nr, q->first_to_kick, count, q->irq_ptr->int_parm);
 	return 0;
 }
 
diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index 303dde09d294..fab2c2592a97 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -11,6 +11,7 @@
 #define KMSG_COMPONENT "zfcp"
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
+#include <linux/compat.h>
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/miscdevice.h>
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 53a31c753cb1..20c4557f5abd 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -364,10 +364,7 @@ static void release_controller(struct kref *kref)
 	struct rdac_controller *ctlr;
 	ctlr = container_of(kref, struct rdac_controller, kref);
 
-	flush_workqueue(kmpath_rdacd);
-	spin_lock(&list_lock);
 	list_del(&ctlr->node);
-	spin_unlock(&list_lock);
 	kfree(ctlr);
 }
 
@@ -376,20 +373,17 @@ static struct rdac_controller *get_controller(int index, char *array_name,
 {
 	struct rdac_controller *ctlr, *tmp;
 
-	spin_lock(&list_lock);
-
 	list_for_each_entry(tmp, &ctlr_list, node) {
 		if ((memcmp(tmp->array_id, array_id, UNIQUE_ID_LEN) == 0) &&
 			  (tmp->index == index) &&
 			  (tmp->host == sdev->host)) {
 			kref_get(&tmp->kref);
-			spin_unlock(&list_lock);
 			return tmp;
 		}
 	}
 	ctlr = kmalloc(sizeof(*ctlr), GFP_ATOMIC);
 	if (!ctlr)
-		goto done;
+		return NULL;
 
 	/* initialize fields of controller */
 	memcpy(ctlr->array_id, array_id, UNIQUE_ID_LEN);
@@ -405,8 +399,7 @@ static struct rdac_controller *get_controller(int index, char *array_name,
 	INIT_WORK(&ctlr->ms_work, send_mode_select);
 	INIT_LIST_HEAD(&ctlr->ms_head);
 	list_add(&ctlr->node, &ctlr_list);
-done:
-	spin_unlock(&list_lock);
+
 	return ctlr;
 }
 
@@ -517,9 +510,12 @@ static int initialize_controller(struct scsi_device *sdev,
 			index = 0;
 		else
 			index = 1;
+
+		spin_lock(&list_lock);
 		h->ctlr = get_controller(index, array_name, array_id, sdev);
 		if (!h->ctlr)
 			err = SCSI_DH_RES_TEMP_UNAVAIL;
+		spin_unlock(&list_lock);
 	}
 	return err;
 }
@@ -906,7 +902,9 @@ static int rdac_bus_attach(struct scsi_device *sdev)
 	return 0;
 
 clean_ctlr:
+	spin_lock(&list_lock);
 	kref_put(&h->ctlr->kref, release_controller);
+	spin_unlock(&list_lock);
 
 failed:
 	kfree(scsi_dh_data);
@@ -921,14 +919,19 @@ static void rdac_bus_detach( struct scsi_device *sdev )
 	struct rdac_dh_data *h;
 	unsigned long flags;
 
-	spin_lock_irqsave(sdev->request_queue->queue_lock, flags);
 	scsi_dh_data = sdev->scsi_dh_data;
+	h = (struct rdac_dh_data *) scsi_dh_data->buf;
+	if (h->ctlr && h->ctlr->ms_queued)
+		flush_workqueue(kmpath_rdacd);
+
+	spin_lock_irqsave(sdev->request_queue->queue_lock, flags);
 	sdev->scsi_dh_data = NULL;
 	spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags);
 
-	h = (struct rdac_dh_data *) scsi_dh_data->buf;
+	spin_lock(&list_lock);
 	if (h->ctlr)
 		kref_put(&h->ctlr->kref, release_controller);
+	spin_unlock(&list_lock);
 	kfree(scsi_dh_data);
 	module_put(THIS_MODULE);
 	sdev_printk(KERN_NOTICE, sdev, "%s: Detached\n", RDAC_NAME);
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 67b169b7a5be..b538f0883fd2 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4613,11 +4613,13 @@ static int __ipr_eh_host_reset(struct scsi_cmnd * scsi_cmd)
 	ENTER;
 	ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata;
 
-	dev_err(&ioa_cfg->pdev->dev,
-		"Adapter being reset as a result of error recovery.\n");
+	if (!ioa_cfg->in_reset_reload) {
+		dev_err(&ioa_cfg->pdev->dev,
+			"Adapter being reset as a result of error recovery.\n");
 
-	if (WAIT_FOR_DUMP == ioa_cfg->sdt_state)
-		ioa_cfg->sdt_state = GET_DUMP;
+		if (WAIT_FOR_DUMP == ioa_cfg->sdt_state)
+			ioa_cfg->sdt_state = GET_DUMP;
+	}
 
 	rc = ipr_reset_reload(ioa_cfg, IPR_SHUTDOWN_ABBREV);
 
@@ -4907,7 +4909,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd)
 	struct ipr_ioa_cfg *ioa_cfg;
 	struct ipr_resource_entry *res;
 	struct ipr_cmd_pkt *cmd_pkt;
-	u32 ioasc;
+	u32 ioasc, int_reg;
 	int op_found = 0;
 
 	ENTER;
@@ -4920,7 +4922,17 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd)
 	 */
 	if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead)
 		return FAILED;
-	if (!res || !ipr_is_gscsi(res))
+	if (!res)
+		return FAILED;
+
+	/*
+	 * If we are aborting a timed out op, chances are that the timeout was caused
+	 * by a still not detected EEH error. In such cases, reading a register will
+	 * trigger the EEH recovery infrastructure.
+	 */
+	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg);
+
+	if (!ipr_is_gscsi(res))
 		return FAILED;
 
 	list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index 1a65d6514237..418391b1c361 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -1848,9 +1848,11 @@ static enum sci_status sci_oem_parameters_set(struct isci_host *ihost)
 	if (state == SCIC_RESET ||
 	    state == SCIC_INITIALIZING ||
 	    state == SCIC_INITIALIZED) {
+		u8 oem_version = pci_info->orom ? pci_info->orom->hdr.version :
+			ISCI_ROM_VER_1_0;
 
 		if (sci_oem_parameters_validate(&ihost->oem_parameters,
-						pci_info->orom->hdr.version))
+						oem_version))
 			return SCI_FAILURE_INVALID_PARAMETER_VALUE;
 
 		return SCI_SUCCESS;
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 0b2c95583660..a78036f5e1a6 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -4548,7 +4548,7 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
 		printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n",
 		    ioc->name, __func__);
 		r = 0;
-		goto out;
+		goto out_unlocked;
 	}
 
 	if (mpt2sas_fwfault_debug)
@@ -4604,6 +4604,7 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
 	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
 	mutex_unlock(&ioc->reset_in_progress_mutex);
 
+ out_unlocked:
 	dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name,
 	    __func__));
 	return r;
diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c
index b31a8e3841d7..d4ed9eb52657 100644
--- a/drivers/scsi/osd/osd_uld.c
+++ b/drivers/scsi/osd/osd_uld.c
@@ -69,10 +69,10 @@
 #ifndef SCSI_OSD_MAJOR
 #  define SCSI_OSD_MAJOR 260
 #endif
-#define SCSI_OSD_MAX_MINOR 64
+#define SCSI_OSD_MAX_MINOR MINORMASK
 
 static const char osd_name[] = "osd";
-static const char *osd_version_string = "open-osd 0.2.0";
+static const char *osd_version_string = "open-osd 0.2.1";
 
 MODULE_AUTHOR("Boaz Harrosh <bharrosh@panasas.com>");
 MODULE_DESCRIPTION("open-osd Upper-Layer-Driver osd.ko");
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index a2f1b3043dfb..9f41b3b4358f 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1036,8 +1036,7 @@ qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
 	    vha->device_flags & DFLG_NO_CABLE)
 		len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 	else if (atomic_read(&vha->loop_state) != LOOP_READY ||
-	    test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-	    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
+	    qla2x00_reset_active(vha))
 		len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 	else {
 		len = snprintf(buf, PAGE_SIZE, "Link Up - ");
@@ -1359,8 +1358,7 @@ qla2x00_thermal_temp_show(struct device *dev,
 		return snprintf(buf, PAGE_SIZE, "\n");
 
 	temp = frac = 0;
-	if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-	    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
+	if (qla2x00_reset_active(vha))
 		ql_log(ql_log_warn, vha, 0x707b,
 		    "ISP reset active.\n");
 	else if (!vha->hw->flags.eeh_busy)
@@ -1379,8 +1377,7 @@ qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
 	int rval = QLA_FUNCTION_FAILED;
 	uint16_t state[5];
 
-	if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-		test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
+	if (qla2x00_reset_active(vha))
 		ql_log(ql_log_warn, vha, 0x707c,
 		    "ISP reset active.\n");
 	else if (!vha->hw->flags.eeh_busy)
@@ -1693,9 +1690,7 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 	if (IS_FWI2_CAPABLE(ha)) {
 		rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
 	} else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
-		    !test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) &&
-		    !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
-		    !ha->dpc_active) {
+	    !qla2x00_reset_active(vha) && !ha->dpc_active) {
 		/* Must be in a 'READY' state for statistics retrieval. */
 		rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
 						stats, stats_dma);
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index b1d0f936bf2d..1682e2e4201d 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -108,13 +108,6 @@ qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
 		goto exit_fcp_prio_cfg;
 	}
 
-	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
-		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-		ret = -EBUSY;
-		goto exit_fcp_prio_cfg;
-	}
-
 	/* Get the sub command */
 	oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
 
@@ -646,13 +639,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
 	dma_addr_t rsp_data_dma;
 	uint32_t rsp_data_len;
 
-	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
-		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-		ql_log(ql_log_warn, vha, 0x7018, "Abort active or needed.\n");
-		return -EBUSY;
-	}
-
 	if (!vha->flags.online) {
 		ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
 		return -EIO;
@@ -874,13 +860,6 @@ qla84xx_reset(struct fc_bsg_job *bsg_job)
 	int rval = 0;
 	uint32_t flag;
 
-	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
-	    test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-	    test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-		ql_log(ql_log_warn, vha, 0x702e, "Abort active or needed.\n");
-		return -EBUSY;
-	}
-
 	if (!IS_QLA84XX(ha)) {
 		ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
 		return -EINVAL;
@@ -922,11 +901,6 @@ qla84xx_updatefw(struct fc_bsg_job *bsg_job)
 	uint32_t flag;
 	uint32_t fw_ver;
 
-	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
-		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
-		return -EBUSY;
-
 	if (!IS_QLA84XX(ha)) {
 		ql_dbg(ql_dbg_user, vha, 0x7032,
 		    "Not 84xx, exiting.\n");
@@ -1036,14 +1010,6 @@ qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
 	uint32_t data_len = 0;
 	uint32_t dma_direction = DMA_NONE;
 
-	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
-		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-		ql_log(ql_log_warn, vha, 0x7039,
-		    "Abort active or needed.\n");
-		return -EBUSY;
-	}
-
 	if (!IS_QLA84XX(ha)) {
 		ql_log(ql_log_warn, vha, 0x703a,
 		    "Not 84xx, exiting.\n");
@@ -1246,13 +1212,6 @@ qla24xx_iidma(struct fc_bsg_job *bsg_job)
 
 	bsg_job->reply->reply_payload_rcv_len = 0;
 
-	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
-		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-		ql_log(ql_log_warn, vha, 0x7045, "abort active or needed.\n");
-		return -EBUSY;
-	}
-
 	if (!IS_IIDMA_CAPABLE(vha->hw)) {
 		ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
 		return -EINVAL;
@@ -1668,6 +1627,15 @@ qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
 		vha = shost_priv(host);
 	}
 
+	if (qla2x00_reset_active(vha)) {
+		ql_dbg(ql_dbg_user, vha, 0x709f,
+		    "BSG: ISP abort active/needed -- cmd=%d.\n",
+		    bsg_job->request->msgcode);
+		bsg_job->reply->result = (DID_ERROR << 16);
+		bsg_job->job_done(bsg_job);
+		return -EBUSY;
+	}
+
 	ql_dbg(ql_dbg_user, vha, 0x7000,
 	    "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode);
 
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 7c54624b5b13..45cbf0ba624d 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -19,7 +19,8 @@
  * | DPC Thread                   |       0x401c       |		|
  * | Async Events                 |       0x5057       | 0x5052		|
  * | Timer Routines               |       0x6011       | 0x600e,0x600f  |
- * | User Space Interactions      |       0x709e       |		|
+ * | User Space Interactions      |       0x709e       | 0x7018,0x702e  |
+ * |                              |                    | 0x7039,0x7045  |
  * | Task Management              |       0x803c       | 0x8025-0x8026  |
  * |                              |                    | 0x800b,0x8039  |
  * | AER/EEH                      |       0x900f       |		|
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a6a4eebce4a8..af1003f9de1e 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -44,6 +44,7 @@
  * ISP2100 HBAs.
  */
 #define MAILBOX_REGISTER_COUNT_2100	8
+#define MAILBOX_REGISTER_COUNT_2200	24
 #define MAILBOX_REGISTER_COUNT		32
 
 #define QLA2200A_RISC_ROM_VER	4
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index 9902834e0b74..7cc4f36cd539 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -131,3 +131,16 @@ qla2x00_hba_err_chk_enabled(srb_t *sp)
 	}
 	return 0;
 }
+
+static inline int
+qla2x00_reset_active(scsi_qla_host_t *vha)
+{
+	scsi_qla_host_t *base_vha = pci_get_drvdata(vha->hw->pdev);
+
+	/* Test appropriate base-vha and vha flags. */
+	return test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) ||
+	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
+	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
+	    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+	    test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
+}
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index e804585cc59c..349843ea32f6 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2090,7 +2090,6 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
 			break;
                 case CT_IOCB_TYPE:
 			qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
-			clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags);
 			break;
                 case ELS_IOCB_TYPE:
 			qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 34344d3f8658..08f1d01bdc1c 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -342,6 +342,8 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 
 				set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 				clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+				/* Allow next mbx cmd to come in. */
+				complete(&ha->mbx_cmd_comp);
 				if (ha->isp_ops->abort_isp(vha)) {
 					/* Failed. retry later. */
 					set_bit(ISP_ABORT_NEEDED,
@@ -350,6 +352,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 				clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
 				ql_dbg(ql_dbg_mbx, base_vha, 0x101f,
 				    "Finished abort_isp.\n");
+				goto mbx_done;
 			}
 		}
 	}
@@ -358,6 +361,7 @@ premature_exit:
 	/* Allow next mbx cmd to come in. */
 	complete(&ha->mbx_cmd_comp);
 
+mbx_done:
 	if (rval) {
 		ql_dbg(ql_dbg_mbx, base_vha, 0x1020,
 		    "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, cmd=%x ****.\n",
@@ -2581,7 +2585,8 @@ qla2x00_stop_firmware(scsi_qla_host_t *vha)
 	ql_dbg(ql_dbg_mbx, vha, 0x10a1, "Entered %s.\n", __func__);
 
 	mcp->mb[0] = MBC_STOP_FIRMWARE;
-	mcp->out_mb = MBX_0;
+	mcp->mb[1] = 0;
+	mcp->out_mb = MBX_1|MBX_0;
 	mcp->in_mb = MBX_0;
 	mcp->tov = 5;
 	mcp->flags = 0;
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 1cd46cd7ff90..270ba3130fde 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -1165,19 +1165,6 @@ qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
 		qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
 	else
 		qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
-
-	/* reset ms */
-	val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4);
-	val |= (1 << 1);
-	qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val);
-	msleep(20);
-
-	/* unreset ms */
-	val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4);
-	val &= ~(1 << 1);
-	qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val);
-	msleep(20);
-
 	qla82xx_rom_unlock(ha);
 
 	/* Read the signature value from the flash.
@@ -3392,7 +3379,7 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
 					    QLA82XX_CRB_PEG_NET_3 + 0x3c),
 				    qla82xx_rd_32(ha,
 					    QLA82XX_CRB_PEG_NET_4 + 0x3c));
-				if (LSW(MSB(halt_status)) == 0x67)
+				if (((halt_status & 0x1fffff00) >> 8) == 0x67)
 					ql_log(ql_log_warn, vha, 0xb052,
 					    "Firmware aborted with "
 					    "error code 0x00006700. Device is "
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 4ed1e4a96b95..036030c95339 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -625,6 +625,12 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 			cmd->result = DID_NO_CONNECT << 16;
 			goto qc24_fail_command;
 	}
+
+	if (!fcport) {
+		cmd->result = DID_NO_CONNECT << 16;
+		goto qc24_fail_command;
+	}
+
 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
@@ -877,6 +883,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 	if (ha->isp_ops->abort_command(sp)) {
+		ret = FAILED;
 		ql_dbg(ql_dbg_taskm, vha, 0x8003,
 		    "Abort command mbx failed cmd=%p.\n", cmd);
 	} else {
@@ -1124,7 +1131,6 @@ static int
 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 {
 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
-	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 	struct qla_hw_data *ha = vha->hw;
 	int ret = FAILED;
 	unsigned int id, lun;
@@ -1133,15 +1139,6 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	id = cmd->device->id;
 	lun = cmd->device->lun;
 
-	if (!fcport) {
-		return ret;
-	}
-
-	ret = fc_block_scsi_eh(cmd);
-	if (ret != 0)
-		return ret;
-	ret = FAILED;
-
 	ql_log(ql_log_info, vha, 0x8018,
 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%d.\n", vha->host_no, id, lun);
 
@@ -2047,7 +2044,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ha->nvram_data_off = ~0;
 		ha->isp_ops = &qla2100_isp_ops;
 	} else if (IS_QLA2200(ha)) {
-		ha->mbx_count = MAILBOX_REGISTER_COUNT;
+		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
 		req_length = REQUEST_ENTRY_CNT_2200;
 		rsp_length = RESPONSE_ENTRY_CNT_2100;
 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 23f33a6d52d7..29d780c38040 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.03.07.12-k"
+#define QLA2XXX_VERSION      "8.03.07.13-k"
 
 #define QLA_DRIVER_MAJOR_VER	8
 #define QLA_DRIVER_MINOR_VER	3
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index 78f1111158d7..65253dfbe962 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -10,6 +10,8 @@
 #include "ql4_def.h"
 #include "ql4_glbl.h"
 
+#include <asm-generic/io-64-nonatomic-lo-hi.h>
+
 #define MASK(n)		DMA_BIT_MASK(n)
 #define MN_WIN(addr)	(((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
 #define OCM_WIN(addr)	(((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
@@ -655,27 +657,6 @@ static int qla4_8xxx_pci_is_same_window(struct scsi_qla_host *ha,
 	return 0;
 }
 
-#ifndef readq
-static inline __u64 readq(const volatile void __iomem *addr)
-{
-	const volatile u32 __iomem *p = addr;
-	u32 low, high;
-
-	low = readl(p);
-	high = readl(p + 1);
-
-	return low + ((u64)high << 32);
-}
-#endif
-
-#ifndef writeq
-static inline void writeq(__u64 val, volatile void __iomem *addr)
-{
-	writel(val, addr);
-	writel(val >> 32, addr+4);
-}
-#endif
-
 static int qla4_8xxx_pci_mem_read_direct(struct scsi_qla_host *ha,
 		u64 off, void *data, int size)
 {
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index bf8bf79e6a1f..c4670642d023 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -7,6 +7,7 @@
 
 #include <linux/pm_runtime.h>
 #include <linux/export.h>
+#include <linux/async.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
@@ -92,6 +93,19 @@ static int scsi_bus_resume_common(struct device *dev)
 	return err;
 }
 
+static int scsi_bus_prepare(struct device *dev)
+{
+	if (scsi_is_sdev_device(dev)) {
+		/* sd probing uses async_schedule.  Wait until it finishes. */
+		async_synchronize_full();
+
+	} else if (scsi_is_host_device(dev)) {
+		/* Wait until async scanning is finished */
+		scsi_complete_async_scans();
+	}
+	return 0;
+}
+
 static int scsi_bus_suspend(struct device *dev)
 {
 	return scsi_bus_suspend_common(dev, PMSG_SUSPEND);
@@ -110,6 +124,7 @@ static int scsi_bus_poweroff(struct device *dev)
 #else /* CONFIG_PM_SLEEP */
 
 #define scsi_bus_resume_common		NULL
+#define scsi_bus_prepare		NULL
 #define scsi_bus_suspend		NULL
 #define scsi_bus_freeze			NULL
 #define scsi_bus_poweroff		NULL
@@ -218,6 +233,7 @@ void scsi_autopm_put_host(struct Scsi_Host *shost)
 #endif /* CONFIG_PM_RUNTIME */
 
 const struct dev_pm_ops scsi_bus_pm_ops = {
+	.prepare =		scsi_bus_prepare,
 	.suspend =		scsi_bus_suspend,
 	.resume =		scsi_bus_resume_common,
 	.freeze =		scsi_bus_freeze,
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 68eadd1c67fd..be4fa6d179b1 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -109,6 +109,7 @@ extern void scsi_exit_procfs(void);
 #endif /* CONFIG_PROC_FS */
 
 /* scsi_scan.c */
+extern int scsi_complete_async_scans(void);
 extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int,
 				   unsigned int, unsigned int, int);
 extern void scsi_forget_host(struct Scsi_Host *);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 89da43f73c00..29c4c0480976 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1815,6 +1815,7 @@ static void scsi_finish_async_scan(struct async_scan_data *data)
 	}
 	spin_unlock(&async_scan_lock);
 
+	scsi_autopm_put_host(shost);
 	scsi_host_put(shost);
 	kfree(data);
 }
@@ -1841,7 +1842,6 @@ static int do_scan_async(void *_data)
 
 	do_scsi_scan_host(shost);
 	scsi_finish_async_scan(data);
-	scsi_autopm_put_host(shost);
 	return 0;
 }
 
@@ -1869,7 +1869,7 @@ void scsi_scan_host(struct Scsi_Host *shost)
 	p = kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no);
 	if (IS_ERR(p))
 		do_scan_async(data);
-	/* scsi_autopm_put_host(shost) is called in do_scan_async() */
+	/* scsi_autopm_put_host(shost) is called in scsi_finish_async_scan() */
 }
 EXPORT_SYMBOL(scsi_scan_host);
 
diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index 0cb39ff21171..f8fb2d691c0a 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -408,7 +408,7 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s
 			kunmap_atomic(sdt, KM_USER0);
 		}
 
-		bio->bi_flags |= BIO_MAPPED_INTEGRITY;
+		bio->bi_flags |= (1 << BIO_MAPPED_INTEGRITY);
 	}
 
 	return 0;
diff --git a/drivers/sh/clk/cpg.c b/drivers/sh/clk/cpg.c
index 45fee368b092..92d314a73f69 100644
--- a/drivers/sh/clk/cpg.c
+++ b/drivers/sh/clk/cpg.c
@@ -190,7 +190,7 @@ static int __init sh_clk_init_parent(struct clk *clk)
 		return -EINVAL;
 	}
 
-	clk->parent = clk->parent_table[val];
+	clk_reparent(clk, clk->parent_table[val]);
 	if (!clk->parent) {
 		pr_err("sh_clk_init_parent: unable to set parent");
 		return -EINVAL;
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 3f9a47ec67dc..8293658e7cf9 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -299,7 +299,7 @@ config SPI_S3C24XX_FIQ
 
 config SPI_S3C64XX
 	tristate "Samsung S3C64XX series type SPI"
-	depends on (ARCH_S3C64XX || ARCH_S5P64X0)
+	depends on (ARCH_S3C64XX || ARCH_S5P64X0 || ARCH_EXYNOS)
 	select S3C64XX_DMA if ARCH_S3C64XX
 	help
 	  SPI driver for Samsung S3C64XX and newer SoCs.
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 2f9cb43a2398..f37ad2271ad5 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -1083,7 +1083,7 @@ err_alloc_rx_sg:
 	return -ENOMEM;
 }
 
-static int __init pl022_dma_probe(struct pl022 *pl022)
+static int __devinit pl022_dma_probe(struct pl022 *pl022)
 {
 	dma_cap_mask_t mask;
 
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 2a6429d8c363..10182eb50068 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1720,7 +1720,7 @@ static int pch_spi_resume(struct pci_dev *pdev)
 
 #endif
 
-static struct pci_driver pch_spi_pcidev = {
+static struct pci_driver pch_spi_pcidev_driver = {
 	.name = "pch_spi",
 	.id_table = pch_spi_pcidev_id,
 	.probe = pch_spi_probe,
@@ -1736,7 +1736,7 @@ static int __init pch_spi_init(void)
 	if (ret)
 		return ret;
 
-	ret = pci_register_driver(&pch_spi_pcidev);
+	ret = pci_register_driver(&pch_spi_pcidev_driver);
 	if (ret)
 		return ret;
 
@@ -1746,7 +1746,7 @@ module_init(pch_spi_init);
 
 static void __exit pch_spi_exit(void)
 {
-	pci_unregister_driver(&pch_spi_pcidev);
+	pci_unregister_driver(&pch_spi_pcidev_driver);
 	platform_driver_unregister(&pch_spi_pd_driver);
 }
 module_exit(pch_spi_exit);
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 520e8286db28..49d209173f55 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -75,7 +75,7 @@ static u32 get_cfgspace_addr(struct ssb_pcicore *pc,
 	u32 tmp;
 
 	/* We do only have one cardbus device behind the bridge. */
-	if (pc->cardbusmode && (dev >= 1))
+	if (pc->cardbusmode && (dev > 1))
 		goto out;
 
 	if (bus == 0) {
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 21e2f4b87f14..9e6347249783 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -60,8 +60,6 @@ source "drivers/staging/rts5139/Kconfig"
 
 source "drivers/staging/frontier/Kconfig"
 
-source "drivers/staging/pohmelfs/Kconfig"
-
 source "drivers/staging/phison/Kconfig"
 
 source "drivers/staging/line6/Kconfig"
@@ -120,8 +118,6 @@ source "drivers/staging/cptm1217/Kconfig"
 
 source "drivers/staging/ste_rmi4/Kconfig"
 
-source "drivers/staging/gma500/Kconfig"
-
 source "drivers/staging/mei/Kconfig"
 
 source "drivers/staging/nvec/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 7c5808d7212d..943e14830753 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -22,7 +22,6 @@ obj-$(CONFIG_R8712U)		+= rtl8712/
 obj-$(CONFIG_RTS_PSTOR)		+= rts_pstor/
 obj-$(CONFIG_RTS5139)		+= rts5139/
 obj-$(CONFIG_TRANZPORT)		+= frontier/
-obj-$(CONFIG_POHMELFS)		+= pohmelfs/
 obj-$(CONFIG_IDE_PHISON)	+= phison/
 obj-$(CONFIG_LINE6_USB)		+= line6/
 obj-$(CONFIG_USB_SERIAL_QUATECH2)	+= serqt_usb2/
@@ -52,7 +51,6 @@ obj-$(CONFIG_FT1000)		+= ft1000/
 obj-$(CONFIG_SPEAKUP)		+= speakup/
 obj-$(CONFIG_TOUCHSCREEN_CLEARPAD_TM1217)	+= cptm1217/
 obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4)	+= ste_rmi4/
-obj-$(CONFIG_DRM_PSB)		+= gma500/
 obj-$(CONFIG_INTEL_MEI)		+= mei/
 obj-$(CONFIG_MFD_NVEC)		+= nvec/
 obj-$(CONFIG_DRM_OMAP)		+= omapdrm/
diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig
index becf711117ef..fef3580ce8de 100644
--- a/drivers/staging/android/Kconfig
+++ b/drivers/staging/android/Kconfig
@@ -27,6 +27,7 @@ config ANDROID_LOGGER
 
 config ANDROID_RAM_CONSOLE
 	bool "Android RAM buffer console"
+	depends on !S390 && !UML
 	default n
 
 config ANDROID_RAM_CONSOLE_ENABLE_VERBOSE
@@ -99,10 +100,6 @@ config ANDROID_LOW_MEMORY_KILLER
 	---help---
 	  Register processes to be killed when memory is low
 
-config ANDROID_PMEM
-	bool "Android pmem allocator"
-	depends on ARM
-
 source "drivers/staging/android/switch/Kconfig"
 
 endif # if ANDROID
diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile
index eaed1ff64f0f..5fcc24ffdd58 100644
--- a/drivers/staging/android/Makefile
+++ b/drivers/staging/android/Makefile
@@ -5,5 +5,4 @@ obj-$(CONFIG_ANDROID_RAM_CONSOLE)	+= ram_console.o
 obj-$(CONFIG_ANDROID_TIMED_OUTPUT)	+= timed_output.o
 obj-$(CONFIG_ANDROID_TIMED_GPIO)	+= timed_gpio.o
 obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER)	+= lowmemorykiller.o
-obj-$(CONFIG_ANDROID_PMEM)		+= pmem.o
 obj-$(CONFIG_ANDROID_SWITCH)		+= switch/
diff --git a/drivers/staging/android/android_pmem.h b/drivers/staging/android/android_pmem.h
deleted file mode 100644
index f633621f5be3..000000000000
--- a/drivers/staging/android/android_pmem.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/* include/linux/android_pmem.h
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _ANDROID_PMEM_H_
-#define _ANDROID_PMEM_H_
-
-#define PMEM_IOCTL_MAGIC 'p'
-#define PMEM_GET_PHYS		_IOW(PMEM_IOCTL_MAGIC, 1, unsigned int)
-#define PMEM_MAP		_IOW(PMEM_IOCTL_MAGIC, 2, unsigned int)
-#define PMEM_GET_SIZE		_IOW(PMEM_IOCTL_MAGIC, 3, unsigned int)
-#define PMEM_UNMAP		_IOW(PMEM_IOCTL_MAGIC, 4, unsigned int)
-/* This ioctl will allocate pmem space, backing the file, it will fail
- * if the file already has an allocation, pass it the len as the argument
- * to the ioctl */
-#define PMEM_ALLOCATE		_IOW(PMEM_IOCTL_MAGIC, 5, unsigned int)
-/* This will connect a one pmem file to another, pass the file that is already
- * backed in memory as the argument to the ioctl
- */
-#define PMEM_CONNECT		_IOW(PMEM_IOCTL_MAGIC, 6, unsigned int)
-/* Returns the total size of the pmem region it is sent to as a pmem_region
- * struct (with offset set to 0). 
- */
-#define PMEM_GET_TOTAL_SIZE	_IOW(PMEM_IOCTL_MAGIC, 7, unsigned int)
-#define PMEM_CACHE_FLUSH	_IOW(PMEM_IOCTL_MAGIC, 8, unsigned int)
-
-struct android_pmem_platform_data
-{
-	const char* name;
-	/* starting physical address of memory region */
-	unsigned long start;
-	/* size of memory region */
-	unsigned long size;
-	/* set to indicate the region should not be managed with an allocator */
-	unsigned no_allocator;
-	/* set to indicate maps of this region should be cached, if a mix of
-	 * cached and uncached is desired, set this and open the device with
-	 * O_SYNC to get an uncached region */
-	unsigned cached;
-	/* The MSM7k has bits to enable a write buffer in the bus controller*/
-	unsigned buffered;
-};
-
-struct pmem_region {
-	unsigned long offset;
-	unsigned long len;
-};
-
-#ifdef CONFIG_ANDROID_PMEM
-int is_pmem_file(struct file *file);
-int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart,
-		  unsigned long *end, struct file **filp);
-int get_pmem_user_addr(struct file *file, unsigned long *start,
-		       unsigned long *end);
-void put_pmem_file(struct file* file);
-void flush_pmem_file(struct file *file, unsigned long start, unsigned long len);
-int pmem_setup(struct android_pmem_platform_data *pdata,
-	       long (*ioctl)(struct file *, unsigned int, unsigned long),
-	       int (*release)(struct inode *, struct file *));
-int pmem_remap(struct pmem_region *region, struct file *file,
-	       unsigned operation);
-
-#else
-static inline int is_pmem_file(struct file *file) { return 0; }
-static inline int get_pmem_file(int fd, unsigned long *start,
-				unsigned long *vstart, unsigned long *end,
-				struct file **filp) { return -ENOSYS; }
-static inline int get_pmem_user_addr(struct file *file, unsigned long *start,
-				     unsigned long *end) { return -ENOSYS; }
-static inline void put_pmem_file(struct file* file) { return; }
-static inline void flush_pmem_file(struct file *file, unsigned long start,
-				   unsigned long len) { return; }
-static inline int pmem_setup(struct android_pmem_platform_data *pdata,
-	      long (*ioctl)(struct file *, unsigned int, unsigned long),
-	      int (*release)(struct inode *, struct file *)) { return -ENOSYS; }
-
-static inline int pmem_remap(struct pmem_region *region, struct file *file,
-			     unsigned operation) { return -ENOSYS; }
-#endif
-
-#endif //_ANDROID_PPP_H_
-
diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index 7491801a661c..f0b7e6605ab5 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -38,6 +38,7 @@
 
 static DEFINE_MUTEX(binder_lock);
 static DEFINE_MUTEX(binder_deferred_lock);
+static DEFINE_MUTEX(binder_mmap_lock);
 
 static HLIST_HEAD(binder_procs);
 static HLIST_HEAD(binder_deferred_list);
@@ -632,6 +633,11 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate,
 	if (mm) {
 		down_write(&mm->mmap_sem);
 		vma = proc->vma;
+		if (vma && mm != vma->vm_mm) {
+			pr_err("binder: %d: vma mm and task mm mismatch\n",
+				proc->pid);
+			vma = NULL;
+		}
 	}
 
 	if (allocate == 0)
@@ -2759,7 +2765,6 @@ static void binder_vma_open(struct vm_area_struct *vma)
 		     proc->pid, vma->vm_start, vma->vm_end,
 		     (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags,
 		     (unsigned long)pgprot_val(vma->vm_page_prot));
-	dump_stack();
 }
 
 static void binder_vma_close(struct vm_area_struct *vma)
@@ -2803,6 +2808,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
 	}
 	vma->vm_flags = (vma->vm_flags | VM_DONTCOPY) & ~VM_MAYWRITE;
 
+	mutex_lock(&binder_mmap_lock);
 	if (proc->buffer) {
 		ret = -EBUSY;
 		failure_string = "already mapped";
@@ -2817,6 +2823,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
 	}
 	proc->buffer = area->addr;
 	proc->user_buffer_offset = vma->vm_start - (uintptr_t)proc->buffer;
+	mutex_unlock(&binder_mmap_lock);
 
 #ifdef CONFIG_CPU_CACHE_VIPT
 	if (cache_is_vipt_aliasing()) {
@@ -2849,7 +2856,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
 	binder_insert_free_buffer(proc, buffer);
 	proc->free_async_space = proc->buffer_size / 2;
 	barrier();
-	proc->files = get_files_struct(current);
+	proc->files = get_files_struct(proc->tsk);
 	proc->vma = vma;
 
 	/*printk(KERN_INFO "binder_mmap: %d %lx-%lx maps %p\n",
@@ -2860,10 +2867,12 @@ err_alloc_small_buf_failed:
 	kfree(proc->pages);
 	proc->pages = NULL;
 err_alloc_pages_failed:
+	mutex_lock(&binder_mmap_lock);
 	vfree(proc->buffer);
 	proc->buffer = NULL;
 err_get_vm_area_failed:
 err_already_mapped:
+	mutex_unlock(&binder_mmap_lock);
 err_bad_arg:
 	printk(KERN_ERR "binder_mmap: %d %lx-%lx %s failed %d\n",
 	       proc->pid, vma->vm_start, vma->vm_end, failure_string, ret);
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 2d8d2b796101..efc7dc1f4831 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -54,6 +54,7 @@ static size_t lowmem_minfree[6] = {
 static int lowmem_minfree_size = 4;
 
 static struct task_struct *lowmem_deathpending;
+static unsigned long lowmem_deathpending_timeout;
 
 #define lowmem_print(level, x...)			\
 	do {						\
@@ -103,7 +104,8 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
 	 * Note: Currently you need CONFIG_PROFILING
 	 * for this to work correctly.
 	 */
-	if (lowmem_deathpending)
+	if (lowmem_deathpending &&
+	    time_before_eq(jiffies, lowmem_deathpending_timeout))
 		return 0;
 
 	if (lowmem_adj_size < array_size)
@@ -178,6 +180,7 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
 		 */
 #ifdef CONFIG_PROFILING
 		lowmem_deathpending = selected;
+		lowmem_deathpending_timeout = jiffies + HZ;
 		task_handoff_register(&task_nb);
 #endif
 		force_sig(SIGKILL, selected);
diff --git a/drivers/staging/android/pmem.c b/drivers/staging/android/pmem.c
deleted file mode 100644
index 7d97032c6508..000000000000
--- a/drivers/staging/android/pmem.c
+++ /dev/null
@@ -1,1345 +0,0 @@
-/* pmem.c
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/miscdevice.h>
-#include <linux/platform_device.h>
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/mm.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/debugfs.h>
-#include <linux/mempolicy.h>
-#include <linux/sched.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/cacheflush.h>
-#include "android_pmem.h"
-
-#define PMEM_MAX_DEVICES 10
-#define PMEM_MAX_ORDER 128
-#define PMEM_MIN_ALLOC PAGE_SIZE
-
-#define PMEM_DEBUG 1
-
-/* indicates that a refernce to this file has been taken via get_pmem_file,
- * the file should not be released until put_pmem_file is called */
-#define PMEM_FLAGS_BUSY 0x1
-/* indicates that this is a suballocation of a larger master range */
-#define PMEM_FLAGS_CONNECTED 0x1 << 1
-/* indicates this is a master and not a sub allocation and that it is mmaped */
-#define PMEM_FLAGS_MASTERMAP 0x1 << 2
-/* submap and unsubmap flags indicate:
- * 00: subregion has never been mmaped
- * 10: subregion has been mmaped, reference to the mm was taken
- * 11: subretion has ben released, refernece to the mm still held
- * 01: subretion has been released, reference to the mm has been released
- */
-#define PMEM_FLAGS_SUBMAP 0x1 << 3
-#define PMEM_FLAGS_UNSUBMAP 0x1 << 4
-
-
-struct pmem_data {
-	/* in alloc mode: an index into the bitmap
-	 * in no_alloc mode: the size of the allocation */
-	int index;
-	/* see flags above for descriptions */
-	unsigned int flags;
-	/* protects this data field, if the mm_mmap sem will be held at the
-	 * same time as this sem, the mm sem must be taken first (as this is
-	 * the order for vma_open and vma_close ops */
-	struct rw_semaphore sem;
-	/* info about the mmaping process */
-	struct vm_area_struct *vma;
-	/* task struct of the mapping process */
-	struct task_struct *task;
-	/* process id of teh mapping process */
-	pid_t pid;
-	/* file descriptor of the master */
-	int master_fd;
-	/* file struct of the master */
-	struct file *master_file;
-	/* a list of currently available regions if this is a suballocation */
-	struct list_head region_list;
-	/* a linked list of data so we can access them for debugging */
-	struct list_head list;
-#if PMEM_DEBUG
-	int ref;
-#endif
-};
-
-struct pmem_bits {
-	unsigned allocated:1;		/* 1 if allocated, 0 if free */
-	unsigned order:7;		/* size of the region in pmem space */
-};
-
-struct pmem_region_node {
-	struct pmem_region region;
-	struct list_head list;
-};
-
-#define PMEM_DEBUG_MSGS 0
-#if PMEM_DEBUG_MSGS
-#define DLOG(fmt,args...) \
-	do { printk(KERN_INFO "[%s:%s:%d] "fmt, __FILE__, __func__, __LINE__, \
-		    ##args); } \
-	while (0)
-#else
-#define DLOG(x...) do {} while (0)
-#endif
-
-struct pmem_info {
-	struct miscdevice dev;
-	/* physical start address of the remaped pmem space */
-	unsigned long base;
-	/* vitual start address of the remaped pmem space */
-	unsigned char __iomem *vbase;
-	/* total size of the pmem space */
-	unsigned long size;
-	/* number of entries in the pmem space */
-	unsigned long num_entries;
-	/* pfn of the garbage page in memory */
-	unsigned long garbage_pfn;
-	/* index of the garbage page in the pmem space */
-	int garbage_index;
-	/* the bitmap for the region indicating which entries are allocated
-	 * and which are free */
-	struct pmem_bits *bitmap;
-	/* indicates the region should not be managed with an allocator */
-	unsigned no_allocator;
-	/* indicates maps of this region should be cached, if a mix of
-	 * cached and uncached is desired, set this and open the device with
-	 * O_SYNC to get an uncached region */
-	unsigned cached;
-	unsigned buffered;
-	/* in no_allocator mode the first mapper gets the whole space and sets
-	 * this flag */
-	unsigned allocated;
-	/* for debugging, creates a list of pmem file structs, the
-	 * data_list_lock should be taken before pmem_data->sem if both are
-	 * needed */
-	struct mutex data_list_lock;
-	struct list_head data_list;
-	/* pmem_sem protects the bitmap array
-	 * a write lock should be held when modifying entries in bitmap
-	 * a read lock should be held when reading data from bits or
-	 * dereferencing a pointer into bitmap
-	 *
-	 * pmem_data->sem protects the pmem data of a particular file
-	 * Many of the function that require the pmem_data->sem have a non-
-	 * locking version for when the caller is already holding that sem.
-	 *
-	 * IF YOU TAKE BOTH LOCKS TAKE THEM IN THIS ORDER:
-	 * down(pmem_data->sem) => down(bitmap_sem)
-	 */
-	struct rw_semaphore bitmap_sem;
-
-	long (*ioctl)(struct file *, unsigned int, unsigned long);
-	int (*release)(struct inode *, struct file *);
-};
-
-static struct pmem_info pmem[PMEM_MAX_DEVICES];
-static int id_count;
-
-#define PMEM_IS_FREE(id, index) !(pmem[id].bitmap[index].allocated)
-#define PMEM_ORDER(id, index) pmem[id].bitmap[index].order
-#define PMEM_BUDDY_INDEX(id, index) (index ^ (1 << PMEM_ORDER(id, index)))
-#define PMEM_NEXT_INDEX(id, index) (index + (1 << PMEM_ORDER(id, index)))
-#define PMEM_OFFSET(index) (index * PMEM_MIN_ALLOC)
-#define PMEM_START_ADDR(id, index) (PMEM_OFFSET(index) + pmem[id].base)
-#define PMEM_LEN(id, index) ((1 << PMEM_ORDER(id, index)) * PMEM_MIN_ALLOC)
-#define PMEM_END_ADDR(id, index) (PMEM_START_ADDR(id, index) + \
-	PMEM_LEN(id, index))
-#define PMEM_START_VADDR(id, index) (PMEM_OFFSET(id, index) + pmem[id].vbase)
-#define PMEM_END_VADDR(id, index) (PMEM_START_VADDR(id, index) + \
-	PMEM_LEN(id, index))
-#define PMEM_REVOKED(data) (data->flags & PMEM_FLAGS_REVOKED)
-#define PMEM_IS_PAGE_ALIGNED(addr) (!((addr) & (~PAGE_MASK)))
-#define PMEM_IS_SUBMAP(data) ((data->flags & PMEM_FLAGS_SUBMAP) && \
-	(!(data->flags & PMEM_FLAGS_UNSUBMAP)))
-
-static int pmem_release(struct inode *, struct file *);
-static int pmem_mmap(struct file *, struct vm_area_struct *);
-static int pmem_open(struct inode *, struct file *);
-static long pmem_ioctl(struct file *, unsigned int, unsigned long);
-
-struct file_operations pmem_fops = {
-	.release = pmem_release,
-	.mmap = pmem_mmap,
-	.open = pmem_open,
-	.unlocked_ioctl = pmem_ioctl,
-};
-
-static int get_id(struct file *file)
-{
-	return MINOR(file->f_dentry->d_inode->i_rdev);
-}
-
-int is_pmem_file(struct file *file)
-{
-	int id;
-
-	if (unlikely(!file || !file->f_dentry || !file->f_dentry->d_inode))
-		return 0;
-	id = get_id(file);
-	if (unlikely(id >= PMEM_MAX_DEVICES))
-		return 0;
-	if (unlikely(file->f_dentry->d_inode->i_rdev !=
-	     MKDEV(MISC_MAJOR, pmem[id].dev.minor)))
-		return 0;
-	return 1;
-}
-
-static int has_allocation(struct file *file)
-{
-	struct pmem_data *data;
-	/* check is_pmem_file first if not accessed via pmem_file_ops */
-
-	if (unlikely(!file->private_data))
-		return 0;
-	data = (struct pmem_data *)file->private_data;
-	if (unlikely(data->index < 0))
-		return 0;
-	return 1;
-}
-
-static int is_master_owner(struct file *file)
-{
-	struct file *master_file;
-	struct pmem_data *data;
-	int put_needed, ret = 0;
-
-	if (!is_pmem_file(file) || !has_allocation(file))
-		return 0;
-	data = (struct pmem_data *)file->private_data;
-	if (PMEM_FLAGS_MASTERMAP & data->flags)
-		return 1;
-	master_file = fget_light(data->master_fd, &put_needed);
-	if (master_file && data->master_file == master_file)
-		ret = 1;
-	fput_light(master_file, put_needed);
-	return ret;
-}
-
-static int pmem_free(int id, int index)
-{
-	/* caller should hold the write lock on pmem_sem! */
-	int buddy, curr = index;
-	DLOG("index %d\n", index);
-
-	if (pmem[id].no_allocator) {
-		pmem[id].allocated = 0;
-		return 0;
-	}
-	/* clean up the bitmap, merging any buddies */
-	pmem[id].bitmap[curr].allocated = 0;
-	/* find a slots buddy Buddy# = Slot# ^ (1 << order)
-	 * if the buddy is also free merge them
-	 * repeat until the buddy is not free or end of the bitmap is reached
-	 */
-	do {
-		buddy = PMEM_BUDDY_INDEX(id, curr);
-		if (PMEM_IS_FREE(id, buddy) &&
-				PMEM_ORDER(id, buddy) == PMEM_ORDER(id, curr)) {
-			PMEM_ORDER(id, buddy)++;
-			PMEM_ORDER(id, curr)++;
-			curr = min(buddy, curr);
-		} else {
-			break;
-		}
-	} while (curr < pmem[id].num_entries);
-
-	return 0;
-}
-
-static void pmem_revoke(struct file *file, struct pmem_data *data);
-
-static int pmem_release(struct inode *inode, struct file *file)
-{
-	struct pmem_data *data = (struct pmem_data *)file->private_data;
-	struct pmem_region_node *region_node;
-	struct list_head *elt, *elt2;
-	int id = get_id(file), ret = 0;
-
-
-	mutex_lock(&pmem[id].data_list_lock);
-	/* if this file is a master, revoke all the memory in the connected
-	 *  files */
-	if (PMEM_FLAGS_MASTERMAP & data->flags) {
-		struct pmem_data *sub_data;
-		list_for_each(elt, &pmem[id].data_list) {
-			sub_data = list_entry(elt, struct pmem_data, list);
-			down_read(&sub_data->sem);
-			if (PMEM_IS_SUBMAP(sub_data) &&
-			    file == sub_data->master_file) {
-				up_read(&sub_data->sem);
-				pmem_revoke(file, sub_data);
-			}  else
-				up_read(&sub_data->sem);
-		}
-	}
-	list_del(&data->list);
-	mutex_unlock(&pmem[id].data_list_lock);
-
-
-	down_write(&data->sem);
-
-	/* if its not a conencted file and it has an allocation, free it */
-	if (!(PMEM_FLAGS_CONNECTED & data->flags) && has_allocation(file)) {
-		down_write(&pmem[id].bitmap_sem);
-		ret = pmem_free(id, data->index);
-		up_write(&pmem[id].bitmap_sem);
-	}
-
-	/* if this file is a submap (mapped, connected file), downref the
-	 * task struct */
-	if (PMEM_FLAGS_SUBMAP & data->flags)
-		if (data->task) {
-			put_task_struct(data->task);
-			data->task = NULL;
-		}
-
-	file->private_data = NULL;
-
-	list_for_each_safe(elt, elt2, &data->region_list) {
-		region_node = list_entry(elt, struct pmem_region_node, list);
-		list_del(elt);
-		kfree(region_node);
-	}
-	BUG_ON(!list_empty(&data->region_list));
-
-	up_write(&data->sem);
-	kfree(data);
-	if (pmem[id].release)
-		ret = pmem[id].release(inode, file);
-
-	return ret;
-}
-
-static int pmem_open(struct inode *inode, struct file *file)
-{
-	struct pmem_data *data;
-	int id = get_id(file);
-	int ret = 0;
-
-	DLOG("current %u file %p(%d)\n", current->pid, file, file_count(file));
-	/* setup file->private_data to indicate its unmapped */
-	/*  you can only open a pmem device one time */
-	if (file->private_data != NULL)
-		return -1;
-	data = kmalloc(sizeof(struct pmem_data), GFP_KERNEL);
-	if (!data) {
-		printk("pmem: unable to allocate memory for pmem metadata.");
-		return -1;
-	}
-	data->flags = 0;
-	data->index = -1;
-	data->task = NULL;
-	data->vma = NULL;
-	data->pid = 0;
-	data->master_file = NULL;
-#if PMEM_DEBUG
-	data->ref = 0;
-#endif
-	INIT_LIST_HEAD(&data->region_list);
-	init_rwsem(&data->sem);
-
-	file->private_data = data;
-	INIT_LIST_HEAD(&data->list);
-
-	mutex_lock(&pmem[id].data_list_lock);
-	list_add(&data->list, &pmem[id].data_list);
-	mutex_unlock(&pmem[id].data_list_lock);
-	return ret;
-}
-
-static unsigned long pmem_order(unsigned long len)
-{
-	int i;
-
-	len = (len + PMEM_MIN_ALLOC - 1)/PMEM_MIN_ALLOC;
-	len--;
-	for (i = 0; i < sizeof(len)*8; i++)
-		if (len >> i == 0)
-			break;
-	return i;
-}
-
-static int pmem_allocate(int id, unsigned long len)
-{
-	/* caller should hold the write lock on pmem_sem! */
-	/* return the corresponding pdata[] entry */
-	int curr = 0;
-	int end = pmem[id].num_entries;
-	int best_fit = -1;
-	unsigned long order = pmem_order(len);
-
-	if (pmem[id].no_allocator) {
-		DLOG("no allocator");
-		if ((len > pmem[id].size) || pmem[id].allocated)
-			return -1;
-		pmem[id].allocated = 1;
-		return len;
-	}
-
-	if (order > PMEM_MAX_ORDER)
-		return -1;
-	DLOG("order %lx\n", order);
-
-	/* look through the bitmap:
-	 * 	if you find a free slot of the correct order use it
-	 * 	otherwise, use the best fit (smallest with size > order) slot
-	 */
-	while (curr < end) {
-		if (PMEM_IS_FREE(id, curr)) {
-			if (PMEM_ORDER(id, curr) == (unsigned char)order) {
-				/* set the not free bit and clear others */
-				best_fit = curr;
-				break;
-			}
-			if (PMEM_ORDER(id, curr) > (unsigned char)order &&
-			    (best_fit < 0 ||
-			     PMEM_ORDER(id, curr) < PMEM_ORDER(id, best_fit)))
-				best_fit = curr;
-		}
-		curr = PMEM_NEXT_INDEX(id, curr);
-	}
-
-	/* if best_fit < 0, there are no suitable slots,
-	 * return an error
-	 */
-	if (best_fit < 0) {
-		printk("pmem: no space left to allocate!\n");
-		return -1;
-	}
-
-	/* now partition the best fit:
-	 * 	split the slot into 2 buddies of order - 1
-	 * 	repeat until the slot is of the correct order
-	 */
-	while (PMEM_ORDER(id, best_fit) > (unsigned char)order) {
-		int buddy;
-		PMEM_ORDER(id, best_fit) -= 1;
-		buddy = PMEM_BUDDY_INDEX(id, best_fit);
-		PMEM_ORDER(id, buddy) = PMEM_ORDER(id, best_fit);
-	}
-	pmem[id].bitmap[best_fit].allocated = 1;
-	return best_fit;
-}
-
-static pgprot_t pmem_access_prot(struct file *file, pgprot_t vma_prot)
-{
-	int id = get_id(file);
-#ifdef pgprot_noncached
-	if (pmem[id].cached == 0 || file->f_flags & O_SYNC)
-		return pgprot_noncached(vma_prot);
-#endif
-#ifdef pgprot_ext_buffered
-	else if (pmem[id].buffered)
-		return pgprot_ext_buffered(vma_prot);
-#endif
-	return vma_prot;
-}
-
-static unsigned long pmem_start_addr(int id, struct pmem_data *data)
-{
-	if (pmem[id].no_allocator)
-		return PMEM_START_ADDR(id, 0);
-	else
-		return PMEM_START_ADDR(id, data->index);
-
-}
-
-static void *pmem_start_vaddr(int id, struct pmem_data *data)
-{
-	return pmem_start_addr(id, data) - pmem[id].base + pmem[id].vbase;
-}
-
-static unsigned long pmem_len(int id, struct pmem_data *data)
-{
-	if (pmem[id].no_allocator)
-		return data->index;
-	else
-		return PMEM_LEN(id, data->index);
-}
-
-static int pmem_map_garbage(int id, struct vm_area_struct *vma,
-			    struct pmem_data *data, unsigned long offset,
-			    unsigned long len)
-{
-	int i, garbage_pages = len >> PAGE_SHIFT;
-
-	vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP | VM_SHARED | VM_WRITE;
-	for (i = 0; i < garbage_pages; i++) {
-		if (vm_insert_pfn(vma, vma->vm_start + offset + (i * PAGE_SIZE),
-		    pmem[id].garbage_pfn))
-			return -EAGAIN;
-	}
-	return 0;
-}
-
-static int pmem_unmap_pfn_range(int id, struct vm_area_struct *vma,
-				struct pmem_data *data, unsigned long offset,
-				unsigned long len)
-{
-	int garbage_pages;
-	DLOG("unmap offset %lx len %lx\n", offset, len);
-
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(len));
-
-	garbage_pages = len >> PAGE_SHIFT;
-	zap_page_range(vma, vma->vm_start + offset, len, NULL);
-	pmem_map_garbage(id, vma, data, offset, len);
-	return 0;
-}
-
-static int pmem_map_pfn_range(int id, struct vm_area_struct *vma,
-			      struct pmem_data *data, unsigned long offset,
-			      unsigned long len)
-{
-	DLOG("map offset %lx len %lx\n", offset, len);
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_start));
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_end));
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(len));
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(offset));
-
-	if (io_remap_pfn_range(vma, vma->vm_start + offset,
-		(pmem_start_addr(id, data) + offset) >> PAGE_SHIFT,
-		len, vma->vm_page_prot)) {
-		return -EAGAIN;
-	}
-	return 0;
-}
-
-static int pmem_remap_pfn_range(int id, struct vm_area_struct *vma,
-			      struct pmem_data *data, unsigned long offset,
-			      unsigned long len)
-{
-	/* hold the mm semp for the vma you are modifying when you call this */
-	BUG_ON(!vma);
-	zap_page_range(vma, vma->vm_start + offset, len, NULL);
-	return pmem_map_pfn_range(id, vma, data, offset, len);
-}
-
-static void pmem_vma_open(struct vm_area_struct *vma)
-{
-	struct file *file = vma->vm_file;
-	struct pmem_data *data = file->private_data;
-	int id = get_id(file);
-	/* this should never be called as we don't support copying pmem
-	 * ranges via fork */
-	BUG_ON(!has_allocation(file));
-	down_write(&data->sem);
-	/* remap the garbage pages, forkers don't get access to the data */
-	pmem_unmap_pfn_range(id, vma, data, 0, vma->vm_start - vma->vm_end);
-	up_write(&data->sem);
-}
-
-static void pmem_vma_close(struct vm_area_struct *vma)
-{
-	struct file *file = vma->vm_file;
-	struct pmem_data *data = file->private_data;
-
-	DLOG("current %u ppid %u file %p count %d\n", current->pid,
-	     current->parent->pid, file, file_count(file));
-	if (unlikely(!is_pmem_file(file) || !has_allocation(file))) {
-		printk(KERN_WARNING "pmem: something is very wrong, you are "
-		       "closing a vm backing an allocation that doesn't "
-		       "exist!\n");
-		return;
-	}
-	down_write(&data->sem);
-	if (data->vma == vma) {
-		data->vma = NULL;
-		if ((data->flags & PMEM_FLAGS_CONNECTED) &&
-		    (data->flags & PMEM_FLAGS_SUBMAP))
-			data->flags |= PMEM_FLAGS_UNSUBMAP;
-	}
-	/* the kernel is going to free this vma now anyway */
-	up_write(&data->sem);
-}
-
-static struct vm_operations_struct vm_ops = {
-	.open = pmem_vma_open,
-	.close = pmem_vma_close,
-};
-
-static int pmem_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	struct pmem_data *data;
-	int index;
-	unsigned long vma_size =  vma->vm_end - vma->vm_start;
-	int ret = 0, id = get_id(file);
-
-	if (vma->vm_pgoff || !PMEM_IS_PAGE_ALIGNED(vma_size)) {
-#if PMEM_DEBUG
-		printk(KERN_ERR "pmem: mmaps must be at offset zero, aligned"
-				" and a multiple of pages_size.\n");
-#endif
-		return -EINVAL;
-	}
-
-	data = (struct pmem_data *)file->private_data;
-	down_write(&data->sem);
-	/* check this file isn't already mmaped, for submaps check this file
-	 * has never been mmaped */
-	if ((data->flags & PMEM_FLAGS_SUBMAP) ||
-	    (data->flags & PMEM_FLAGS_UNSUBMAP)) {
-#if PMEM_DEBUG
-		printk(KERN_ERR "pmem: you can only mmap a pmem file once, "
-		       "this file is already mmaped. %x\n", data->flags);
-#endif
-		ret = -EINVAL;
-		goto error;
-	}
-	/* if file->private_data == unalloced, alloc*/
-	if (data && data->index == -1) {
-		down_write(&pmem[id].bitmap_sem);
-		index = pmem_allocate(id, vma->vm_end - vma->vm_start);
-		up_write(&pmem[id].bitmap_sem);
-		data->index = index;
-	}
-	/* either no space was available or an error occured */
-	if (!has_allocation(file)) {
-		ret = -EINVAL;
-		printk("pmem: could not find allocation for map.\n");
-		goto error;
-	}
-
-	if (pmem_len(id, data) < vma_size) {
-#if PMEM_DEBUG
-		printk(KERN_WARNING "pmem: mmap size [%lu] does not match"
-		       "size of backing region [%lu].\n", vma_size,
-		       pmem_len(id, data));
-#endif
-		ret = -EINVAL;
-		goto error;
-	}
-
-	vma->vm_pgoff = pmem_start_addr(id, data) >> PAGE_SHIFT;
-	vma->vm_page_prot = pmem_access_prot(file, vma->vm_page_prot);
-
-	if (data->flags & PMEM_FLAGS_CONNECTED) {
-		struct pmem_region_node *region_node;
-		struct list_head *elt;
-		if (pmem_map_garbage(id, vma, data, 0, vma_size)) {
-			printk("pmem: mmap failed in kernel!\n");
-			ret = -EAGAIN;
-			goto error;
-		}
-		list_for_each(elt, &data->region_list) {
-			region_node = list_entry(elt, struct pmem_region_node,
-						 list);
-			DLOG("remapping file: %p %lx %lx\n", file,
-				region_node->region.offset,
-				region_node->region.len);
-			if (pmem_remap_pfn_range(id, vma, data,
-						 region_node->region.offset,
-						 region_node->region.len)) {
-				ret = -EAGAIN;
-				goto error;
-			}
-		}
-		data->flags |= PMEM_FLAGS_SUBMAP;
-		get_task_struct(current->group_leader);
-		data->task = current->group_leader;
-		data->vma = vma;
-#if PMEM_DEBUG
-		data->pid = current->pid;
-#endif
-		DLOG("submmapped file %p vma %p pid %u\n", file, vma,
-		     current->pid);
-	} else {
-		if (pmem_map_pfn_range(id, vma, data, 0, vma_size)) {
-			printk(KERN_INFO "pmem: mmap failed in kernel!\n");
-			ret = -EAGAIN;
-			goto error;
-		}
-		data->flags |= PMEM_FLAGS_MASTERMAP;
-		data->pid = current->pid;
-	}
-	vma->vm_ops = &vm_ops;
-error:
-	up_write(&data->sem);
-	return ret;
-}
-
-/* the following are the api for accessing pmem regions by other drivers
- * from inside the kernel */
-int get_pmem_user_addr(struct file *file, unsigned long *start,
-		   unsigned long *len)
-{
-	struct pmem_data *data;
-	if (!is_pmem_file(file) || !has_allocation(file)) {
-#if PMEM_DEBUG
-		printk(KERN_INFO "pmem: requested pmem data from invalid"
-				  "file.\n");
-#endif
-		return -1;
-	}
-	data = (struct pmem_data *)file->private_data;
-	down_read(&data->sem);
-	if (data->vma) {
-		*start = data->vma->vm_start;
-		*len = data->vma->vm_end - data->vma->vm_start;
-	} else {
-		*start = 0;
-		*len = 0;
-	}
-	up_read(&data->sem);
-	return 0;
-}
-
-int get_pmem_addr(struct file *file, unsigned long *start,
-		  unsigned long *vstart, unsigned long *len)
-{
-	struct pmem_data *data;
-	int id;
-
-	if (!is_pmem_file(file) || !has_allocation(file)) {
-		return -1;
-	}
-
-	data = (struct pmem_data *)file->private_data;
-	if (data->index == -1) {
-#if PMEM_DEBUG
-		printk(KERN_INFO "pmem: requested pmem data from file with no "
-		       "allocation.\n");
-		return -1;
-#endif
-	}
-	id = get_id(file);
-
-	down_read(&data->sem);
-	*start = pmem_start_addr(id, data);
-	*len = pmem_len(id, data);
-	*vstart = (unsigned long)pmem_start_vaddr(id, data);
-	up_read(&data->sem);
-#if PMEM_DEBUG
-	down_write(&data->sem);
-	data->ref++;
-	up_write(&data->sem);
-#endif
-	return 0;
-}
-
-int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart,
-		  unsigned long *len, struct file **filp)
-{
-	struct file *file;
-
-	file = fget(fd);
-	if (unlikely(file == NULL)) {
-		printk(KERN_INFO "pmem: requested data from file descriptor "
-		       "that doesn't exist.");
-		return -1;
-	}
-
-	if (get_pmem_addr(file, start, vstart, len))
-		goto end;
-
-	if (filp)
-		*filp = file;
-	return 0;
-end:
-	fput(file);
-	return -1;
-}
-
-void put_pmem_file(struct file *file)
-{
-	struct pmem_data *data;
-	int id;
-
-	if (!is_pmem_file(file))
-		return;
-	id = get_id(file);
-	data = (struct pmem_data *)file->private_data;
-#if PMEM_DEBUG
-	down_write(&data->sem);
-	if (data->ref == 0) {
-		printk("pmem: pmem_put > pmem_get %s (pid %d)\n",
-		       pmem[id].dev.name, data->pid);
-		BUG();
-	}
-	data->ref--;
-	up_write(&data->sem);
-#endif
-	fput(file);
-}
-
-void flush_pmem_file(struct file *file, unsigned long offset, unsigned long len)
-{
-	struct pmem_data *data;
-	int id;
-	void *vaddr;
-	struct pmem_region_node *region_node;
-	struct list_head *elt;
-	void *flush_start, *flush_end;
-
-	if (!is_pmem_file(file) || !has_allocation(file)) {
-		return;
-	}
-
-	id = get_id(file);
-	data = (struct pmem_data *)file->private_data;
-	if (!pmem[id].cached || file->f_flags & O_SYNC)
-		return;
-
-	down_read(&data->sem);
-	vaddr = pmem_start_vaddr(id, data);
-	/* if this isn't a submmapped file, flush the whole thing */
-	if (unlikely(!(data->flags & PMEM_FLAGS_CONNECTED))) {
-		dmac_flush_range(vaddr, vaddr + pmem_len(id, data));
-		goto end;
-	}
-	/* otherwise, flush the region of the file we are drawing */
-	list_for_each(elt, &data->region_list) {
-		region_node = list_entry(elt, struct pmem_region_node, list);
-		if ((offset >= region_node->region.offset) &&
-		    ((offset + len) <= (region_node->region.offset +
-			region_node->region.len))) {
-			flush_start = vaddr + region_node->region.offset;
-			flush_end = flush_start + region_node->region.len;
-			dmac_flush_range(flush_start, flush_end);
-			break;
-		}
-	}
-end:
-	up_read(&data->sem);
-}
-
-static int pmem_connect(unsigned long connect, struct file *file)
-{
-	struct pmem_data *data = (struct pmem_data *)file->private_data;
-	struct pmem_data *src_data;
-	struct file *src_file;
-	int ret = 0, put_needed;
-
-	down_write(&data->sem);
-	/* retrieve the src file and check it is a pmem file with an alloc */
-	src_file = fget_light(connect, &put_needed);
-	DLOG("connect %p to %p\n", file, src_file);
-	if (!src_file) {
-		printk("pmem: src file not found!\n");
-		ret = -EINVAL;
-		goto err_no_file;
-	}
-	if (unlikely(!is_pmem_file(src_file) || !has_allocation(src_file))) {
-		printk(KERN_INFO "pmem: src file is not a pmem file or has no "
-		       "alloc!\n");
-		ret = -EINVAL;
-		goto err_bad_file;
-	}
-	src_data = (struct pmem_data *)src_file->private_data;
-
-	if (has_allocation(file) && (data->index != src_data->index)) {
-		printk("pmem: file is already mapped but doesn't match this"
-		       " src_file!\n");
-		ret = -EINVAL;
-		goto err_bad_file;
-	}
-	data->index = src_data->index;
-	data->flags |= PMEM_FLAGS_CONNECTED;
-	data->master_fd = connect;
-	data->master_file = src_file;
-
-err_bad_file:
-	fput_light(src_file, put_needed);
-err_no_file:
-	up_write(&data->sem);
-	return ret;
-}
-
-static void pmem_unlock_data_and_mm(struct pmem_data *data,
-				    struct mm_struct *mm)
-{
-	up_write(&data->sem);
-	if (mm != NULL) {
-		up_write(&mm->mmap_sem);
-		mmput(mm);
-	}
-}
-
-static int pmem_lock_data_and_mm(struct file *file, struct pmem_data *data,
-				 struct mm_struct **locked_mm)
-{
-	int ret = 0;
-	struct mm_struct *mm = NULL;
-	*locked_mm = NULL;
-lock_mm:
-	down_read(&data->sem);
-	if (PMEM_IS_SUBMAP(data)) {
-		mm = get_task_mm(data->task);
-		if (!mm) {
-#if PMEM_DEBUG
-			printk("pmem: can't remap task is gone!\n");
-#endif
-			up_read(&data->sem);
-			return -1;
-		}
-	}
-	up_read(&data->sem);
-
-	if (mm)
-		down_write(&mm->mmap_sem);
-
-	down_write(&data->sem);
-	/* check that the file didn't get mmaped before we could take the
-	 * data sem, this should be safe b/c you can only submap each file
-	 * once */
-	if (PMEM_IS_SUBMAP(data) && !mm) {
-		pmem_unlock_data_and_mm(data, mm);
-		up_write(&data->sem);
-		goto lock_mm;
-	}
-	/* now check that vma.mm is still there, it could have been
-	 * deleted by vma_close before we could get the data->sem */
-	if ((data->flags & PMEM_FLAGS_UNSUBMAP) && (mm != NULL)) {
-		/* might as well release this */
-		if (data->flags & PMEM_FLAGS_SUBMAP) {
-			put_task_struct(data->task);
-			data->task = NULL;
-			/* lower the submap flag to show the mm is gone */
-			data->flags &= ~(PMEM_FLAGS_SUBMAP);
-		}
-		pmem_unlock_data_and_mm(data, mm);
-		return -1;
-	}
-	*locked_mm = mm;
-	return ret;
-}
-
-int pmem_remap(struct pmem_region *region, struct file *file,
-		      unsigned operation)
-{
-	int ret;
-	struct pmem_region_node *region_node;
-	struct mm_struct *mm = NULL;
-	struct list_head *elt, *elt2;
-	int id = get_id(file);
-	struct pmem_data *data = (struct pmem_data *)file->private_data;
-
-	/* pmem region must be aligned on a page boundry */
-	if (unlikely(!PMEM_IS_PAGE_ALIGNED(region->offset) ||
-		 !PMEM_IS_PAGE_ALIGNED(region->len))) {
-#if PMEM_DEBUG
-		printk("pmem: request for unaligned pmem suballocation "
-		       "%lx %lx\n", region->offset, region->len);
-#endif
-		return -EINVAL;
-	}
-
-	/* if userspace requests a region of len 0, there's nothing to do */
-	if (region->len == 0)
-		return 0;
-
-	/* lock the mm and data */
-	ret = pmem_lock_data_and_mm(file, data, &mm);
-	if (ret)
-		return 0;
-
-	/* only the owner of the master file can remap the client fds
-	 * that back in it */
-	if (!is_master_owner(file)) {
-#if PMEM_DEBUG
-		printk("pmem: remap requested from non-master process\n");
-#endif
-		ret = -EINVAL;
-		goto err;
-	}
-
-	/* check that the requested range is within the src allocation */
-	if (unlikely((region->offset > pmem_len(id, data)) ||
-		     (region->len > pmem_len(id, data)) ||
-		     (region->offset + region->len > pmem_len(id, data)))) {
-#if PMEM_DEBUG
-		printk(KERN_INFO "pmem: suballoc doesn't fit in src_file!\n");
-#endif
-		ret = -EINVAL;
-		goto err;
-	}
-
-	if (operation == PMEM_MAP) {
-		region_node = kmalloc(sizeof(struct pmem_region_node),
-			      GFP_KERNEL);
-		if (!region_node) {
-			ret = -ENOMEM;
-#if PMEM_DEBUG
-			printk(KERN_INFO "No space to allocate metadata!");
-#endif
-			goto err;
-		}
-		region_node->region = *region;
-		list_add(&region_node->list, &data->region_list);
-	} else if (operation == PMEM_UNMAP) {
-		int found = 0;
-		list_for_each_safe(elt, elt2, &data->region_list) {
-			region_node = list_entry(elt, struct pmem_region_node,
-				      list);
-			if (region->len == 0 ||
-			    (region_node->region.offset == region->offset &&
-			    region_node->region.len == region->len)) {
-				list_del(elt);
-				kfree(region_node);
-				found = 1;
-			}
-		}
-		if (!found) {
-#if PMEM_DEBUG
-			printk("pmem: Unmap region does not map any mapped "
-				"region!");
-#endif
-			ret = -EINVAL;
-			goto err;
-		}
-	}
-
-	if (data->vma && PMEM_IS_SUBMAP(data)) {
-		if (operation == PMEM_MAP)
-			ret = pmem_remap_pfn_range(id, data->vma, data,
-						   region->offset, region->len);
-		else if (operation == PMEM_UNMAP)
-			ret = pmem_unmap_pfn_range(id, data->vma, data,
-						   region->offset, region->len);
-	}
-
-err:
-	pmem_unlock_data_and_mm(data, mm);
-	return ret;
-}
-
-static void pmem_revoke(struct file *file, struct pmem_data *data)
-{
-	struct pmem_region_node *region_node;
-	struct list_head *elt, *elt2;
-	struct mm_struct *mm = NULL;
-	int id = get_id(file);
-	int ret = 0;
-
-	data->master_file = NULL;
-	ret = pmem_lock_data_and_mm(file, data, &mm);
-	/* if lock_data_and_mm fails either the task that mapped the fd, or
-	 * the vma that mapped it have already gone away, nothing more
-	 * needs to be done */
-	if (ret)
-		return;
-	/* unmap everything */
-	/* delete the regions and region list nothing is mapped any more */
-	if (data->vma)
-		list_for_each_safe(elt, elt2, &data->region_list) {
-			region_node = list_entry(elt, struct pmem_region_node,
-						 list);
-			pmem_unmap_pfn_range(id, data->vma, data,
-					     region_node->region.offset,
-					     region_node->region.len);
-			list_del(elt);
-			kfree(region_node);
-	}
-	/* delete the master file */
-	pmem_unlock_data_and_mm(data, mm);
-}
-
-static void pmem_get_size(struct pmem_region *region, struct file *file)
-{
-	struct pmem_data *data = (struct pmem_data *)file->private_data;
-	int id = get_id(file);
-
-	if (!has_allocation(file)) {
-		region->offset = 0;
-		region->len = 0;
-		return;
-	} else {
-		region->offset = pmem_start_addr(id, data);
-		region->len = pmem_len(id, data);
-	}
-	DLOG("offset %lx len %lx\n", region->offset, region->len);
-}
-
-
-static long pmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	struct pmem_data *data;
-	int id = get_id(file);
-
-	switch (cmd) {
-	case PMEM_GET_PHYS:
-		{
-			struct pmem_region region;
-			DLOG("get_phys\n");
-			if (!has_allocation(file)) {
-				region.offset = 0;
-				region.len = 0;
-			} else {
-				data = (struct pmem_data *)file->private_data;
-				region.offset = pmem_start_addr(id, data);
-				region.len = pmem_len(id, data);
-			}
-			printk(KERN_INFO "pmem: request for physical address of pmem region "
-					"from process %d.\n", current->pid);
-			if (copy_to_user((void __user *)arg, &region,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			break;
-		}
-	case PMEM_MAP:
-		{
-			struct pmem_region region;
-			if (copy_from_user(&region, (void __user *)arg,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			data = (struct pmem_data *)file->private_data;
-			return pmem_remap(&region, file, PMEM_MAP);
-		}
-		break;
-	case PMEM_UNMAP:
-		{
-			struct pmem_region region;
-			if (copy_from_user(&region, (void __user *)arg,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			data = (struct pmem_data *)file->private_data;
-			return pmem_remap(&region, file, PMEM_UNMAP);
-			break;
-		}
-	case PMEM_GET_SIZE:
-		{
-			struct pmem_region region;
-			DLOG("get_size\n");
-			pmem_get_size(&region, file);
-			if (copy_to_user((void __user *)arg, &region,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			break;
-		}
-	case PMEM_GET_TOTAL_SIZE:
-		{
-			struct pmem_region region;
-			DLOG("get total size\n");
-			region.offset = 0;
-			get_id(file);
-			region.len = pmem[id].size;
-			if (copy_to_user((void __user *)arg, &region,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			break;
-		}
-	case PMEM_ALLOCATE:
-		{
-			if (has_allocation(file))
-				return -EINVAL;
-			data = (struct pmem_data *)file->private_data;
-			data->index = pmem_allocate(id, arg);
-			break;
-		}
-	case PMEM_CONNECT:
-		DLOG("connect\n");
-		return pmem_connect(arg, file);
-		break;
-	case PMEM_CACHE_FLUSH:
-		{
-			struct pmem_region region;
-			DLOG("flush\n");
-			if (copy_from_user(&region, (void __user *)arg,
-					   sizeof(struct pmem_region)))
-				return -EFAULT;
-			flush_pmem_file(file, region.offset, region.len);
-			break;
-		}
-	default:
-		if (pmem[id].ioctl)
-			return pmem[id].ioctl(file, cmd, arg);
-		return -EINVAL;
-	}
-	return 0;
-}
-
-#if PMEM_DEBUG
-static ssize_t debug_open(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
-
-static ssize_t debug_read(struct file *file, char __user *buf, size_t count,
-			  loff_t *ppos)
-{
-	struct list_head *elt, *elt2;
-	struct pmem_data *data;
-	struct pmem_region_node *region_node;
-	int id = (int)file->private_data;
-	const int debug_bufmax = 4096;
-	static char buffer[4096];
-	int n = 0;
-
-	DLOG("debug open\n");
-	n = scnprintf(buffer, debug_bufmax,
-		      "pid #: mapped regions (offset, len) (offset,len)...\n");
-
-	mutex_lock(&pmem[id].data_list_lock);
-	list_for_each(elt, &pmem[id].data_list) {
-		data = list_entry(elt, struct pmem_data, list);
-		down_read(&data->sem);
-		n += scnprintf(buffer + n, debug_bufmax - n, "pid %u:",
-				data->pid);
-		list_for_each(elt2, &data->region_list) {
-			region_node = list_entry(elt2, struct pmem_region_node,
-				      list);
-			n += scnprintf(buffer + n, debug_bufmax - n,
-					"(%lx,%lx) ",
-					region_node->region.offset,
-					region_node->region.len);
-		}
-		n += scnprintf(buffer + n, debug_bufmax - n, "\n");
-		up_read(&data->sem);
-	}
-	mutex_unlock(&pmem[id].data_list_lock);
-
-	n++;
-	buffer[n] = 0;
-	return simple_read_from_buffer(buf, count, ppos, buffer, n);
-}
-
-static struct file_operations debug_fops = {
-	.read = debug_read,
-	.open = debug_open,
-};
-#endif
-
-#if 0
-static struct miscdevice pmem_dev = {
-	.name = "pmem",
-	.fops = &pmem_fops,
-};
-#endif
-
-int pmem_setup(struct android_pmem_platform_data *pdata,
-	       long (*ioctl)(struct file *, unsigned int, unsigned long),
-	       int (*release)(struct inode *, struct file *))
-{
-	int err = 0;
-	int i, index = 0;
-	int id = id_count;
-	id_count++;
-
-	pmem[id].no_allocator = pdata->no_allocator;
-	pmem[id].cached = pdata->cached;
-	pmem[id].buffered = pdata->buffered;
-	pmem[id].base = pdata->start;
-	pmem[id].size = pdata->size;
-	pmem[id].ioctl = ioctl;
-	pmem[id].release = release;
-	init_rwsem(&pmem[id].bitmap_sem);
-	mutex_init(&pmem[id].data_list_lock);
-	INIT_LIST_HEAD(&pmem[id].data_list);
-	pmem[id].dev.name = pdata->name;
-	pmem[id].dev.minor = id;
-	pmem[id].dev.fops = &pmem_fops;
-	printk(KERN_INFO "%s: %d init\n", pdata->name, pdata->cached);
-
-	err = misc_register(&pmem[id].dev);
-	if (err) {
-		printk(KERN_ALERT "Unable to register pmem driver!\n");
-		goto err_cant_register_device;
-	}
-	pmem[id].num_entries = pmem[id].size / PMEM_MIN_ALLOC;
-
-	pmem[id].bitmap = kmalloc(pmem[id].num_entries *
-				  sizeof(struct pmem_bits), GFP_KERNEL);
-	if (!pmem[id].bitmap)
-		goto err_no_mem_for_metadata;
-
-	memset(pmem[id].bitmap, 0, sizeof(struct pmem_bits) *
-					  pmem[id].num_entries);
-
-	for (i = sizeof(pmem[id].num_entries) * 8 - 1; i >= 0; i--) {
-		if ((pmem[id].num_entries) &  1<<i) {
-			PMEM_ORDER(id, index) = i;
-			index = PMEM_NEXT_INDEX(id, index);
-		}
-	}
-
-	if (pmem[id].cached)
-		pmem[id].vbase = ioremap_cached(pmem[id].base,
-						pmem[id].size);
-#ifdef ioremap_ext_buffered
-	else if (pmem[id].buffered)
-		pmem[id].vbase = ioremap_ext_buffered(pmem[id].base,
-						      pmem[id].size);
-#endif
-	else
-		pmem[id].vbase = ioremap(pmem[id].base, pmem[id].size);
-
-	if (pmem[id].vbase == 0)
-		goto error_cant_remap;
-
-	pmem[id].garbage_pfn = page_to_pfn(alloc_page(GFP_KERNEL));
-	if (pmem[id].no_allocator)
-		pmem[id].allocated = 0;
-
-#if PMEM_DEBUG
-	debugfs_create_file(pdata->name, S_IFREG | S_IRUGO, NULL, (void *)id,
-			    &debug_fops);
-#endif
-	return 0;
-error_cant_remap:
-	kfree(pmem[id].bitmap);
-err_no_mem_for_metadata:
-	misc_deregister(&pmem[id].dev);
-err_cant_register_device:
-	return -1;
-}
-
-static int pmem_probe(struct platform_device *pdev)
-{
-	struct android_pmem_platform_data *pdata;
-
-	if (!pdev || !pdev->dev.platform_data) {
-		printk(KERN_ALERT "Unable to probe pmem!\n");
-		return -1;
-	}
-	pdata = pdev->dev.platform_data;
-	return pmem_setup(pdata, NULL, NULL);
-}
-
-
-static int pmem_remove(struct platform_device *pdev)
-{
-	int id = pdev->id;
-	__free_page(pfn_to_page(pmem[id].garbage_pfn));
-	misc_deregister(&pmem[id].dev);
-	return 0;
-}
-
-static struct platform_driver pmem_driver = {
-	.probe = pmem_probe,
-	.remove = pmem_remove,
-	.driver = { .name = "android_pmem" }
-};
-
-
-static int __init pmem_init(void)
-{
-	return platform_driver_register(&pmem_driver);
-}
-
-static void __exit pmem_exit(void)
-{
-	platform_driver_unregister(&pmem_driver);
-}
-
-module_init(pmem_init);
-module_exit(pmem_exit);
-
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index e77e4e0396cf..1df9586f2730 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -355,7 +355,14 @@ static void send_data(struct asus_oled_dev *odev)
 
 static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
 {
-	while (count-- > 0 && val) {
+	odev->last_val = val;
+
+	if (val == 0) {
+		odev->buf_offs += count;
+		return 0;
+	}
+
+	while (count-- > 0) {
 		size_t x = odev->buf_offs % odev->width;
 		size_t y = odev->buf_offs / odev->width;
 		size_t i;
@@ -406,7 +413,6 @@ static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
 			;
 		}
 
-		odev->last_val = val;
 		odev->buf_offs++;
 	}
 
@@ -805,10 +811,9 @@ error:
 
 static void __exit asus_oled_exit(void)
 {
+	usb_deregister(&oled_driver);
 	class_remove_file(oled_class, &class_attr_version.attr);
 	class_destroy(oled_class);
-
-	usb_deregister(&oled_driver);
 }
 
 module_init(asus_oled_init);
diff --git a/drivers/staging/gma500/Kconfig b/drivers/staging/gma500/Kconfig
deleted file mode 100644
index c7a2b3bc0a18..000000000000
--- a/drivers/staging/gma500/Kconfig
+++ /dev/null
@@ -1,33 +0,0 @@
-config DRM_PSB
-	tristate "Intel GMA5/600 KMS Framebuffer"
-	depends on DRM && PCI && X86 && BROKEN
-	select FB_CFB_COPYAREA
-        select FB_CFB_FILLRECT
-        select FB_CFB_IMAGEBLIT
-        select DRM_KMS_HELPER
-        select DRM_TTM
-	help
-	  Say yes for an experimental 2D KMS framebuffer driver for the
-	  Intel GMA500 ('Poulsbo') and other Intel IMG based graphics
-	  devices.
-
-config DRM_PSB_MRST
-	bool "Intel GMA600 support (Experimental)"
-	depends on DRM_PSB
-	help
-	  Say yes to include support for GMA600 (Intel Moorestown/Oaktrail)
-	  platforms with LVDS ports. HDMI and MIPI are not currently
-	  supported.
-
-config DRM_PSB_MFLD
-	bool "Intel Medfield support (Experimental)"
-	depends on DRM_PSB
-	help
-	  Say yes to include support for Intel Medfield platforms with MIPI
-	  interfaces.
-	
-config DRM_PSB_CDV
-	bool "Intel Cedarview support (Experimental)"
-	depends on DRM_PSB
-	help
-	  Say yes to include support for Intel Cedarview platforms
diff --git a/drivers/staging/gma500/Makefile b/drivers/staging/gma500/Makefile
deleted file mode 100644
index c729868b1b10..000000000000
--- a/drivers/staging/gma500/Makefile
+++ /dev/null
@@ -1,52 +0,0 @@
-#
-#	KMS driver for the GMA500
-#
-ccflags-y += -Iinclude/drm
-
-psb_gfx-y += gem_glue.o \
-	  accel_2d.o \
-	  backlight.o \
-	  framebuffer.o \
-	  gem.o \
-	  gtt.o \
-	  intel_bios.o \
-	  intel_i2c.o \
-	  intel_opregion.o \
-	  mmu.o \
-	  power.o \
-	  psb_drv.o \
-	  psb_intel_display.o \
-	  psb_intel_lvds.o \
-	  psb_intel_modes.o \
-	  psb_intel_sdvo.o \
-	  psb_lid.o \
-	  psb_irq.o \
-	  psb_device.o \
-	  mid_bios.o
-
-psb_gfx-$(CONFIG_DRM_PSB_CDV) +=  cdv_device.o \
-	  cdv_intel_crt.o \
-	  cdv_intel_display.o \
-	  cdv_intel_hdmi.o \
-	  cdv_intel_lvds.o
-
-psb_gfx-$(CONFIG_DRM_PSB_MRST) += mrst_device.o \
-	  mrst_crtc.o \
-	  mrst_lvds.o \
-	  mrst_hdmi.o \
-	  mrst_hdmi_i2c.o
-
-psb_gfx-$(CONFIG_DRM_PSB_MFLD) += mdfld_device.o \
-	  mdfld_output.o \
-	  mdfld_pyr_cmd.o \
-	  mdfld_tmd_vid.o \
-	  mdfld_tpo_cmd.o \
-	  mdfld_tpo_vid.o \
-	  mdfld_dsi_pkg_sender.o \
-	  mdfld_dsi_dpi.o \
-	  mdfld_dsi_output.o \
-	  mdfld_dsi_dbi.o \
-	  mdfld_dsi_dbi_dpu.o \
-	  mdfld_intel_display.o
-
-obj-$(CONFIG_DRM_PSB) += psb_gfx.o
diff --git a/drivers/staging/gma500/TODO b/drivers/staging/gma500/TODO
deleted file mode 100644
index fc836158e74c..000000000000
--- a/drivers/staging/gma500/TODO
+++ /dev/null
@@ -1,15 +0,0 @@
--	Sort out the power management side. Not important for Poulsbo but
-	matters for Moorestown/Medfield
--	Debug Oaktrail/Moorestown support (single pipe, no BIOS on mrst,
-					some other differences)
--	Add 2D acceleration via console and DRM
--	Add scrolling acceleration using the GTT to do remapping on the main
-	framebuffer.
--	HDMI testing
--	Oaktrail HDMI and other features
--	Oaktrail MIPI
--	Medfield needs a lot of further love
-
-As per kernel policy and the in the interest of the safety of various
-kittens there is no support or plans to add hooks for the closed user space
-stuff.
diff --git a/drivers/staging/gma500/accel_2d.c b/drivers/staging/gma500/accel_2d.c
deleted file mode 100644
index b8f78ebbb145..000000000000
--- a/drivers/staging/gma500/accel_2d.c
+++ /dev/null
@@ -1,414 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- * develop this driver.
- *
- **************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/console.h>
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "framebuffer.h"
-
-/**
- *	psb_spank		-	reset the 2D engine
- *	@dev_priv: our PSB DRM device
- *
- *	Soft reset the graphics engine and then reload the necessary registers.
- *	We use this at initialisation time but it will become relevant for
- *	accelerated X later
- */
-void psb_spank(struct drm_psb_private *dev_priv)
-{
-	PSB_WSGX32(_PSB_CS_RESET_BIF_RESET | _PSB_CS_RESET_DPM_RESET |
-		_PSB_CS_RESET_TA_RESET | _PSB_CS_RESET_USE_RESET |
-		_PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET |
-		_PSB_CS_RESET_TWOD_RESET, PSB_CR_SOFT_RESET);
-	PSB_RSGX32(PSB_CR_SOFT_RESET);
-
-	msleep(1);
-
-	PSB_WSGX32(0, PSB_CR_SOFT_RESET);
-	wmb();
-	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT,
-		   PSB_CR_BIF_CTRL);
-	wmb();
-	(void) PSB_RSGX32(PSB_CR_BIF_CTRL);
-
-	msleep(1);
-	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT,
-		   PSB_CR_BIF_CTRL);
-	(void) PSB_RSGX32(PSB_CR_BIF_CTRL);
-	PSB_WSGX32(dev_priv->gtt.gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
-}
-
-/**
- *	psb2_2d_wait_available	-	wait for FIFO room
- *	@dev_priv: our DRM device
- *	@size: size (in dwords) of the command we want to issue
- *
- *	Wait until there is room to load the FIFO with our data. If the
- *	device is not responding then reset it
- */
-static int psb_2d_wait_available(struct drm_psb_private *dev_priv,
-			  unsigned size)
-{
-	uint32_t avail = PSB_RSGX32(PSB_CR_2D_SOCIF);
-	unsigned long t = jiffies + HZ;
-
-	while (avail < size) {
-		avail = PSB_RSGX32(PSB_CR_2D_SOCIF);
-		if (time_after(jiffies, t)) {
-			psb_spank(dev_priv);
-			return -EIO;
-		}
-	}
-	return 0;
-}
-
-/**
- *	psb_2d_submit		-	submit a 2D command
- *	@dev_priv: our DRM device
- *	@cmdbuf: command to issue
- *	@size: length (in dwords)
- *
- *	Issue one or more 2D commands to the accelerator. This needs to be
- *	serialized later when we add the GEM interfaces for acceleration
- */
-static int psbfb_2d_submit(struct drm_psb_private *dev_priv, uint32_t *cmdbuf,
-								unsigned size)
-{
-	int ret = 0;
-	int i;
-	unsigned submit_size;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->lock_2d, flags);
-	while (size > 0) {
-		submit_size = (size < 0x60) ? size : 0x60;
-		size -= submit_size;
-		ret = psb_2d_wait_available(dev_priv, submit_size);
-		if (ret)
-			break;
-
-		submit_size <<= 2;
-
-		for (i = 0; i < submit_size; i += 4)
-			PSB_WSGX32(*cmdbuf++, PSB_SGX_2D_SLAVE_PORT + i);
-
-		(void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT + i - 4);
-	}
-	spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
-	return ret;
-}
-
-
-/**
- *	psb_accel_2d_copy_direction	-	compute blit order
- *	@xdir: X direction of move
- *	@ydir: Y direction of move
- *
- *	Compute the correct order setings to ensure that an overlapping blit
- *	correctly copies all the pixels.
- */
-static u32 psb_accel_2d_copy_direction(int xdir, int ydir)
-{
-	if (xdir < 0)
-		return (ydir < 0) ? PSB_2D_COPYORDER_BR2TL :
-						PSB_2D_COPYORDER_TR2BL;
-	else
-		return (ydir < 0) ? PSB_2D_COPYORDER_BL2TR :
-						PSB_2D_COPYORDER_TL2BR;
-}
-
-/**
- *	psb_accel_2d_copy		-	accelerated 2D copy
- *	@dev_priv: our DRM device
- *	@src_offset in bytes
- *	@src_stride in bytes
- *	@src_format psb 2D format defines
- *	@dst_offset in bytes
- *	@dst_stride in bytes
- *	@dst_format psb 2D format defines
- *	@src_x offset in pixels
- *	@src_y offset in pixels
- *	@dst_x offset in pixels
- *	@dst_y offset in pixels
- *	@size_x of the copied area
- *	@size_y of the copied area
- *
- *	Format and issue a 2D accelerated copy command.
- */
-static int psb_accel_2d_copy(struct drm_psb_private *dev_priv,
-			     uint32_t src_offset, uint32_t src_stride,
-			     uint32_t src_format, uint32_t dst_offset,
-			     uint32_t dst_stride, uint32_t dst_format,
-			     uint16_t src_x, uint16_t src_y,
-			     uint16_t dst_x, uint16_t dst_y,
-			     uint16_t size_x, uint16_t size_y)
-{
-	uint32_t blit_cmd;
-	uint32_t buffer[10];
-	uint32_t *buf;
-	uint32_t direction;
-
-	buf = buffer;
-
-	direction =
-	    psb_accel_2d_copy_direction(src_x - dst_x, src_y - dst_y);
-
-	if (direction == PSB_2D_COPYORDER_BR2TL ||
-	    direction == PSB_2D_COPYORDER_TR2BL) {
-		src_x += size_x - 1;
-		dst_x += size_x - 1;
-	}
-	if (direction == PSB_2D_COPYORDER_BR2TL ||
-	    direction == PSB_2D_COPYORDER_BL2TR) {
-		src_y += size_y - 1;
-		dst_y += size_y - 1;
-	}
-
-	blit_cmd =
-	    PSB_2D_BLIT_BH |
-	    PSB_2D_ROT_NONE |
-	    PSB_2D_DSTCK_DISABLE |
-	    PSB_2D_SRCCK_DISABLE |
-	    PSB_2D_USE_PAT | PSB_2D_ROP3_SRCCOPY | direction;
-
-	*buf++ = PSB_2D_FENCE_BH;
-	*buf++ =
-	    PSB_2D_DST_SURF_BH | dst_format | (dst_stride <<
-					       PSB_2D_DST_STRIDE_SHIFT);
-	*buf++ = dst_offset;
-	*buf++ =
-	    PSB_2D_SRC_SURF_BH | src_format | (src_stride <<
-					       PSB_2D_SRC_STRIDE_SHIFT);
-	*buf++ = src_offset;
-	*buf++ =
-	    PSB_2D_SRC_OFF_BH | (src_x << PSB_2D_SRCOFF_XSTART_SHIFT) |
-	    (src_y << PSB_2D_SRCOFF_YSTART_SHIFT);
-	*buf++ = blit_cmd;
-	*buf++ =
-	    (dst_x << PSB_2D_DST_XSTART_SHIFT) | (dst_y <<
-						  PSB_2D_DST_YSTART_SHIFT);
-	*buf++ =
-	    (size_x << PSB_2D_DST_XSIZE_SHIFT) | (size_y <<
-						  PSB_2D_DST_YSIZE_SHIFT);
-	*buf++ = PSB_2D_FLUSH_BH;
-
-	return psbfb_2d_submit(dev_priv, buffer, buf - buffer);
-}
-
-/**
- *	psbfb_copyarea_accel	-	copyarea acceleration for /dev/fb
- *	@info: our framebuffer
- *	@a: copyarea parameters from the framebuffer core
- *
- *	Perform a 2D copy via the accelerator
- */
-static void psbfb_copyarea_accel(struct fb_info *info,
-				 const struct fb_copyarea *a)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-	struct drm_device *dev = psbfb->base.dev;
-	struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	uint32_t offset;
-	uint32_t stride;
-	uint32_t src_format;
-	uint32_t dst_format;
-
-	if (!fb)
-		return;
-
-	offset = psbfb->gtt->offset;
-	stride = fb->pitches[0];
-
-	switch (fb->depth) {
-	case 8:
-		src_format = PSB_2D_SRC_332RGB;
-		dst_format = PSB_2D_DST_332RGB;
-		break;
-	case 15:
-		src_format = PSB_2D_SRC_555RGB;
-		dst_format = PSB_2D_DST_555RGB;
-		break;
-	case 16:
-		src_format = PSB_2D_SRC_565RGB;
-		dst_format = PSB_2D_DST_565RGB;
-		break;
-	case 24:
-	case 32:
-		/* this is wrong but since we don't do blending its okay */
-		src_format = PSB_2D_SRC_8888ARGB;
-		dst_format = PSB_2D_DST_8888ARGB;
-		break;
-	default:
-		/* software fallback */
-		cfb_copyarea(info, a);
-		return;
-	}
-
-	if (!gma_power_begin(dev, false)) {
-		cfb_copyarea(info, a);
-		return;
-	}
-	psb_accel_2d_copy(dev_priv,
-			  offset, stride, src_format,
-			  offset, stride, dst_format,
-			  a->sx, a->sy, a->dx, a->dy, a->width, a->height);
-	gma_power_end(dev);
-}
-
-/**
- *	psbfb_copyarea	-	2D copy interface
- *	@info: our framebuffer
- *	@region: region to copy
- *
- *	Copy an area of the framebuffer console either by the accelerator
- *	or directly using the cfb helpers according to the request
- */
-void psbfb_copyarea(struct fb_info *info,
-			   const struct fb_copyarea *region)
-{
-	if (unlikely(info->state != FBINFO_STATE_RUNNING))
-		return;
-
-	/* Avoid the 8 pixel erratum */
-	if (region->width == 8 || region->height == 8 ||
-		(info->flags & FBINFO_HWACCEL_DISABLED))
-		return cfb_copyarea(info, region);
-
-	psbfb_copyarea_accel(info, region);
-}
-
-/**
- *	psbfb_sync	-	synchronize 2D
- *	@info: our framebuffer
- *
- *	Wait for the 2D engine to quiesce so that we can do CPU
- *	access to the framebuffer again
- */
-int psbfb_sync(struct fb_info *info)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-	struct drm_device *dev = psbfb->base.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long _end = jiffies + DRM_HZ;
-	int busy = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->lock_2d, flags);
-	/*
-	 * First idle the 2D engine.
-	 */
-
-	if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) &&
-	    ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0))
-		goto out;
-
-	do {
-		busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
-		cpu_relax();
-	} while (busy && !time_after_eq(jiffies, _end));
-
-	if (busy)
-		busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
-	if (busy)
-		goto out;
-
-	do {
-		busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
-						_PSB_C2B_STATUS_BUSY) != 0);
-		cpu_relax();
-	} while (busy && !time_after_eq(jiffies, _end));
-	if (busy)
-		busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
-					_PSB_C2B_STATUS_BUSY) != 0);
-
-out:
-	spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
-	return (busy) ? -EBUSY : 0;
-}
-
-int psb_accel_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_psb_2d_op *op = data;
-	u32 *op_ptr = &op->cmd[0];
-	int i;
-	struct drm_gem_object *obj;
-	struct gtt_range *gtt;
-	int err = -EINVAL;
-
-	if (!dev_priv->ops->accel_2d)
-		return -EOPNOTSUPP;
-	if (op->size > PSB_2D_OP_BUFLEN)
-		return -EINVAL;
-
-	/* The GEM object being used. We need to support separate src/dst/etc
-	   in the end but for now keep them all the same */
-	obj = drm_gem_object_lookup(dev, file, op->src);
-	if (obj == NULL)
-		return -ENOENT;
-	gtt = container_of(obj, struct gtt_range, gem);
-
-	if (psb_gtt_pin(gtt) < 0)
-		goto bad_2;
-	for (i = 0; i < op->size; i++, op_ptr++) {
-		u32 r = *op_ptr & 0xF0000000;
-		/* Fill in the GTT offsets for the command buffer */
-		if (r == PSB_2D_SRC_SURF_BH ||
-			r == PSB_2D_DST_SURF_BH ||
-			r == PSB_2D_MASK_SURF_BH ||
-			r == PSB_2D_PAT_SURF_BH) {
-			i++;
-			op_ptr++;
-			if (i == op->size)
-				goto bad;
-			if (*op_ptr)
-				goto bad;
-			*op_ptr = gtt->offset;
-			continue;
-		}
-	}
-	psbfb_2d_submit(dev_priv, op->cmd, op->size);
-	err = 0;
-bad:
-	psb_gtt_unpin(gtt);
-bad_2:
-	drm_gem_object_unreference(obj);
-	return err;
-}
diff --git a/drivers/staging/gma500/backlight.c b/drivers/staging/gma500/backlight.c
deleted file mode 100644
index 20793951fcac..000000000000
--- a/drivers/staging/gma500/backlight.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * GMA500 Backlight Interface
- *
- * Copyright (c) 2009-2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Eric Knopp
- *
- */
-
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_drv.h"
-#include "intel_bios.h"
-#include "power.h"
-
-int gma_backlight_init(struct drm_device *dev)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	return dev_priv->ops->backlight_init(dev);
-#else
-	return 0;
-#endif
-}
-
-void gma_backlight_exit(struct drm_device *dev)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	if (dev_priv->backlight_device) {
-		dev_priv->backlight_device->props.brightness = 0;
-		backlight_update_status(dev_priv->backlight_device);
-		backlight_device_unregister(dev_priv->backlight_device);
-	}
-#endif
-}
diff --git a/drivers/staging/gma500/cdv_device.c b/drivers/staging/gma500/cdv_device.c
deleted file mode 100644
index 8ec10caab13e..000000000000
--- a/drivers/staging/gma500/cdv_device.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-#include "cdv_device.h"
-
-#define VGA_SR_INDEX		0x3c4
-#define VGA_SR_DATA		0x3c5
-
-static void cdv_disable_vga(struct drm_device *dev)
-{
-	u8 sr1;
-	u32 vga_reg;
-
-	vga_reg = VGACNTRL;
-
-	outb(1, VGA_SR_INDEX);
-	sr1 = inb(VGA_SR_DATA);
-	outb(sr1 | 1<<5, VGA_SR_DATA);
-	udelay(300);
-
-	REG_WRITE(vga_reg, VGA_DISP_DISABLE);
-	REG_READ(vga_reg);
-}
-
-static int cdv_output_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	cdv_disable_vga(dev);
-
-	cdv_intel_crt_init(dev, &dev_priv->mode_dev);
-	cdv_intel_lvds_init(dev, &dev_priv->mode_dev);
-
-	/* These bits indicate HDMI not SDVO on CDV, but we don't yet support
-	   the HDMI interface */
-	if (REG_READ(SDVOB) & SDVO_DETECTED)
-		cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOB);
-	if (REG_READ(SDVOC) & SDVO_DETECTED)
-		cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOC);
-	return 0;
-}
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-/*
- *	Poulsbo Backlight Interfaces
- */
-
-#define BLC_PWM_PRECISION_FACTOR 100	/* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-
-#define PSB_BLC_PWM_PRECISION_FACTOR    10
-#define PSB_BLC_MAX_PWM_REG_FREQ        0xFFFE
-#define PSB_BLC_MIN_PWM_REG_FREQ        0x2
-
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT	(16)
-
-static int cdv_brightness;
-static struct backlight_device *cdv_backlight_device;
-
-static int cdv_get_brightness(struct backlight_device *bd)
-{
-	/* return locally cached var instead of HW read (due to DPST etc.) */
-	/* FIXME: ideally return actual value in case firmware fiddled with
-	   it */
-	return cdv_brightness;
-}
-
-
-static int cdv_backlight_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long core_clock;
-	/* u32 bl_max_freq; */
-	/* unsigned long value; */
-	u16 bl_max_freq;
-	uint32_t value;
-	uint32_t blc_pwm_precision_factor;
-
-	/* get bl_max_freq and pol from dev_priv*/
-	if (!dev_priv->lvds_bl) {
-		dev_err(dev->dev, "Has no valid LVDS backlight info\n");
-		return -ENOENT;
-	}
-	bl_max_freq = dev_priv->lvds_bl->freq;
-	blc_pwm_precision_factor = PSB_BLC_PWM_PRECISION_FACTOR;
-
-	core_clock = dev_priv->core_freq;
-
-	value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
-	value *= blc_pwm_precision_factor;
-	value /= bl_max_freq;
-	value /= blc_pwm_precision_factor;
-
-	if (value > (unsigned long long)PSB_BLC_MAX_PWM_REG_FREQ ||
-		 value < (unsigned long long)PSB_BLC_MIN_PWM_REG_FREQ)
-				return -ERANGE;
-	else {
-		/* FIXME */
-	}
-	return 0;
-}
-
-static int cdv_set_brightness(struct backlight_device *bd)
-{
-	int level = bd->props.brightness;
-
-	/* Percentage 1-100% being valid */
-	if (level < 1)
-		level = 1;
-
-	/*cdv_intel_lvds_set_brightness(dev, level); FIXME */
-	cdv_brightness = level;
-	return 0;
-}
-
-static const struct backlight_ops cdv_ops = {
-	.get_brightness = cdv_get_brightness,
-	.update_status  = cdv_set_brightness,
-};
-
-static int cdv_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-	struct backlight_properties props;
-
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.max_brightness = 100;
-	props.type = BACKLIGHT_PLATFORM;
-
-	cdv_backlight_device = backlight_device_register("psb-bl",
-					NULL, (void *)dev, &cdv_ops, &props);
-	if (IS_ERR(cdv_backlight_device))
-		return PTR_ERR(cdv_backlight_device);
-
-	ret = cdv_backlight_setup(dev);
-	if (ret < 0) {
-		backlight_device_unregister(cdv_backlight_device);
-		cdv_backlight_device = NULL;
-		return ret;
-	}
-	cdv_backlight_device->props.brightness = 100;
-	cdv_backlight_device->props.max_brightness = 100;
-	backlight_update_status(cdv_backlight_device);
-	dev_priv->backlight_device = cdv_backlight_device;
-	return 0;
-}
-
-#endif
-
-/*
- *	Provide the Cedarview specific chip logic and low level methods
- *	for power management
- *
- *	FIXME: we need to implement the apm/ospm base management bits
- *	for this and the MID devices.
- */
-
-static inline u32 CDV_MSG_READ32(uint port, uint offset)
-{
-	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
-	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_read_config_dword(pci_root, 0xD4, &ret_val);
-	pci_dev_put(pci_root);
-	return ret_val;
-}
-
-static inline void CDV_MSG_WRITE32(uint port, uint offset, u32 value)
-{
-	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD4, value);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_dev_put(pci_root);
-}
-
-#define PSB_APM_CMD			0x0
-#define PSB_APM_STS			0x04
-#define PSB_PM_SSC			0x20
-#define PSB_PM_SSS			0x30
-#define PSB_PWRGT_GFX_MASK		0x3
-#define CDV_PWRGT_DISPLAY_CNTR		0x000fc00c
-#define CDV_PWRGT_DISPLAY_STS		0x000fc00c
-
-static void cdv_init_pm(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pwr_cnt;
-	int i;
-
-	dev_priv->apm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
-							PSB_APMBA) & 0xFFFF;
-	dev_priv->ospm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
-							PSB_OSPMBA) & 0xFFFF;
-
-	/* Force power on for now */
-	pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
-	pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
-
-	outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
-	for (i = 0; i < 5; i++) {
-		u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
-		if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0)
-			break;
-		udelay(10);
-	}
-	pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
-	pwr_cnt &= ~CDV_PWRGT_DISPLAY_CNTR;
-	outl(pwr_cnt, dev_priv->ospm_base + PSB_PM_SSC);
-	for (i = 0; i < 5; i++) {
-		u32 pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
-		if ((pwr_sts & CDV_PWRGT_DISPLAY_STS) == 0)
-			break;
-		udelay(10);
-	}
-}
-
-/**
- *	cdv_save_display_registers	-	save registers lost on suspend
- *	@dev: our DRM device
- *
- *	Save the state we need in order to be able to restore the interface
- *	upon resume from suspend
- *
- *	FIXME: review
- */
-static int cdv_save_display_registers(struct drm_device *dev)
-{
-	return 0;
-}
-
-/**
- *	cdv_restore_display_registers	-	restore lost register state
- *	@dev: our DRM device
- *
- *	Restore register state that was lost during suspend and resume.
- *
- *	FIXME: review
- */
-static int cdv_restore_display_registers(struct drm_device *dev)
-{
-	return 0;
-}
-
-static int cdv_power_down(struct drm_device *dev)
-{
-	return 0;
-}
-
-static int cdv_power_up(struct drm_device *dev)
-{
-	return 0;
-}
-
-/* FIXME ? - shared with Poulsbo */
-static void cdv_get_core_freq(struct drm_device *dev)
-{
-	uint32_t clock;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
-	pci_read_config_dword(pci_root, 0xD4, &clock);
-	pci_dev_put(pci_root);
-
-	switch (clock & 0x07) {
-	case 0:
-		dev_priv->core_freq = 100;
-		break;
-	case 1:
-		dev_priv->core_freq = 133;
-		break;
-	case 2:
-		dev_priv->core_freq = 150;
-		break;
-	case 3:
-		dev_priv->core_freq = 178;
-		break;
-	case 4:
-		dev_priv->core_freq = 200;
-		break;
-	case 5:
-	case 6:
-	case 7:
-		dev_priv->core_freq = 266;
-	default:
-		dev_priv->core_freq = 0;
-	}
-}
-
-static int cdv_chip_setup(struct drm_device *dev)
-{
-	cdv_get_core_freq(dev);
-	gma_intel_opregion_init(dev);
-	psb_intel_init_bios(dev);
-	return 0;
-}
-
-/* CDV is much like Poulsbo but has MID like SGX offsets and PM */
-
-const struct psb_ops cdv_chip_ops = {
-	.name = "Cedartrail",
-	.accel_2d = 0,
-	.pipes = 2,
-	.sgx_offset = MRST_SGX_OFFSET,
-	.chip_setup = cdv_chip_setup,
-
-	.crtc_helper = &cdv_intel_helper_funcs,
-	.crtc_funcs = &cdv_intel_crtc_funcs,
-
-	.output_init = cdv_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = cdv_backlight_init,
-#endif
-
-	.init_pm = cdv_init_pm,
-	.save_regs = cdv_save_display_registers,
-	.restore_regs = cdv_restore_display_registers,
-	.power_down = cdv_power_down,
-	.power_up = cdv_power_up,
-};
diff --git a/drivers/staging/gma500/cdv_device.h b/drivers/staging/gma500/cdv_device.h
deleted file mode 100644
index 2a88b7beb551..000000000000
--- a/drivers/staging/gma500/cdv_device.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright © 2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-extern const struct drm_crtc_helper_funcs cdv_intel_helper_funcs;
-extern const struct drm_crtc_funcs cdv_intel_crtc_funcs;
-extern void cdv_intel_crt_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev);
-extern void cdv_intel_lvds_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev);
-extern void cdv_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev,
-			int reg);
-extern struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev,
-					     struct drm_crtc *crtc);
-
-extern inline void cdv_intel_wait_for_vblank(struct drm_device *dev)
-{
-	/* Wait for 20ms, i.e. one cycle at 50hz. */
-        /* FIXME: msleep ?? */
-	mdelay(20);
-}
-
-
diff --git a/drivers/staging/gma500/cdv_intel_crt.c b/drivers/staging/gma500/cdv_intel_crt.c
deleted file mode 100644
index efda63b97b45..000000000000
--- a/drivers/staging/gma500/cdv_intel_crt.c
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-
-static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	u32 temp, reg;
-	reg = ADPA;
-
-	temp = REG_READ(reg);
-	temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
-	temp &= ~ADPA_DAC_ENABLE;
-
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-		temp |= ADPA_DAC_ENABLE;
-		break;
-	case DRM_MODE_DPMS_STANDBY:
-		temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE;
-		break;
-	case DRM_MODE_DPMS_SUSPEND:
-		temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE;
-		break;
-	case DRM_MODE_DPMS_OFF:
-		temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
-		break;
-	}
-
-	REG_WRITE(reg, temp);
-}
-
-static int cdv_intel_crt_mode_valid(struct drm_connector *connector,
-				struct drm_display_mode *mode)
-{
-	int max_clock = 0;
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	/* The lowest clock for CDV is 20000KHz */
-	if (mode->clock < 20000)
-		return MODE_CLOCK_LOW;
-
-	/* The max clock for CDV is 355 instead of 400 */
-	max_clock = 355000;
-	if (mode->clock > max_clock)
-		return MODE_CLOCK_HIGH;
-
-	if (mode->hdisplay > 1680 || mode->vdisplay > 1050)
-		return MODE_PANEL;
-
-	return MODE_OK;
-}
-
-static bool cdv_intel_crt_mode_fixup(struct drm_encoder *encoder,
-				 struct drm_display_mode *mode,
-				 struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-static void cdv_intel_crt_mode_set(struct drm_encoder *encoder,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode)
-{
-
-	struct drm_device *dev = encoder->dev;
-	struct drm_crtc *crtc = encoder->crtc;
-	struct psb_intel_crtc *psb_intel_crtc =
-					to_psb_intel_crtc(crtc);
-	int dpll_md_reg;
-	u32 adpa, dpll_md;
-	u32 adpa_reg;
-
-	if (psb_intel_crtc->pipe == 0)
-		dpll_md_reg = DPLL_A_MD;
-	else
-		dpll_md_reg = DPLL_B_MD;
-
-	adpa_reg = ADPA;
-
-	/*
-	 * Disable separate mode multiplier used when cloning SDVO to CRT
-	 * XXX this needs to be adjusted when we really are cloning
-	 */
-	{
-		dpll_md = REG_READ(dpll_md_reg);
-		REG_WRITE(dpll_md_reg,
-			   dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
-	}
-
-	adpa = 0;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-		adpa |= ADPA_HSYNC_ACTIVE_HIGH;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-		adpa |= ADPA_VSYNC_ACTIVE_HIGH;
-
-	if (psb_intel_crtc->pipe == 0)
-		adpa |= ADPA_PIPE_A_SELECT;
-	else
-		adpa |= ADPA_PIPE_B_SELECT;
-
-	REG_WRITE(adpa_reg, adpa);
-}
-
-
-/**
- * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
- *
- * \return true if CRT is connected.
- * \return false if CRT is disconnected.
- */
-static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector,
-								bool force)
-{
-	struct drm_device *dev = connector->dev;
-	u32 hotplug_en;
-	int i, tries = 0, ret = false;
-	u32 adpa_orig;
-
-	/* disable the DAC when doing the hotplug detection */
-
-	adpa_orig = REG_READ(ADPA);
-
-	REG_WRITE(ADPA, adpa_orig & ~(ADPA_DAC_ENABLE));
-
-	/*
-	 * On a CDV thep, CRT detect sequence need to be done twice
-	 * to get a reliable result.
-	 */
-	tries = 2;
-
-	hotplug_en = REG_READ(PORT_HOTPLUG_EN);
-	hotplug_en &= ~(CRT_HOTPLUG_DETECT_MASK);
-	hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
-
-	hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
-	hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
-
-	for (i = 0; i < tries ; i++) {
-		unsigned long timeout;
-		/* turn on the FORCE_DETECT */
-		REG_WRITE(PORT_HOTPLUG_EN, hotplug_en);
-		timeout = jiffies + msecs_to_jiffies(1000);
-		/* wait for FORCE_DETECT to go off */
-		do {
-			if (!(REG_READ(PORT_HOTPLUG_EN) &
-					CRT_HOTPLUG_FORCE_DETECT))
-				break;
-			msleep(1);
-		} while (time_after(timeout, jiffies));
-	}
-
-	if ((REG_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) !=
-	    CRT_HOTPLUG_MONITOR_NONE)
-		ret = true;
-
-	/* Restore the saved ADPA */
-	REG_WRITE(ADPA, adpa_orig);
-	return ret;
-}
-
-static enum drm_connector_status cdv_intel_crt_detect(
-				struct drm_connector *connector, bool force)
-{
-	if (cdv_intel_crt_detect_hotplug(connector, force))
-		return connector_status_connected;
-	else
-		return connector_status_disconnected;
-}
-
-static void cdv_intel_crt_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *intel_output = to_psb_intel_output(connector);
-
-	psb_intel_i2c_destroy(intel_output->ddc_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
-static int cdv_intel_crt_get_modes(struct drm_connector *connector)
-{
-	struct psb_intel_output *intel_output =
-				to_psb_intel_output(connector);
-	return psb_intel_ddc_get_modes(intel_output);
-}
-
-static int cdv_intel_crt_set_property(struct drm_connector *connector,
-				  struct drm_property *property,
-				  uint64_t value)
-{
-	return 0;
-}
-
-/*
- * Routines for controlling stuff on the analog port
- */
-
-static const struct drm_encoder_helper_funcs cdv_intel_crt_helper_funcs = {
-	.dpms = cdv_intel_crt_dpms,
-	.mode_fixup = cdv_intel_crt_mode_fixup,
-	.prepare = psb_intel_encoder_prepare,
-	.commit = psb_intel_encoder_commit,
-	.mode_set = cdv_intel_crt_mode_set,
-};
-
-static const struct drm_connector_funcs cdv_intel_crt_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.detect = cdv_intel_crt_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = cdv_intel_crt_destroy,
-	.set_property = cdv_intel_crt_set_property,
-};
-
-static const struct drm_connector_helper_funcs
-				cdv_intel_crt_connector_helper_funcs = {
-	.mode_valid = cdv_intel_crt_mode_valid,
-	.get_modes = cdv_intel_crt_get_modes,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs cdv_intel_crt_enc_funcs = {
-	.destroy = cdv_intel_crt_enc_destroy,
-};
-
-void cdv_intel_crt_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev)
-{
-
-	struct psb_intel_output *psb_intel_output;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-
-	u32 i2c_reg;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	drm_connector_init(dev, connector,
-		&cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
-
-	encoder = &psb_intel_output->enc;
-	drm_encoder_init(dev, encoder,
-		&cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-
-	/* Set up the DDC bus. */
-	i2c_reg = GPIOA;
-	/* Remove the following code for CDV */
-	/*
-	if (dev_priv->crt_ddc_bus != 0)
-		i2c_reg = dev_priv->crt_ddc_bus;
-	}*/
-	psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-						i2c_reg, "CRTDDC_A");
-	if (!psb_intel_output->ddc_bus) {
-		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
-			   "failed.\n");
-		goto failed_ddc;
-	}
-
-	psb_intel_output->type = INTEL_OUTPUT_ANALOG;
-	/*
-	psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT);
-	psb_intel_output->crtc_mask = (1 << 0) | (1 << 1);
-	*/
-	connector->interlace_allowed = 0;
-	connector->doublescan_allowed = 0;
-
-	drm_encoder_helper_add(encoder, &cdv_intel_crt_helper_funcs);
-	drm_connector_helper_add(connector,
-					&cdv_intel_crt_connector_helper_funcs);
-
-	drm_sysfs_connector_add(connector);
-
-	return;
-failed_ddc:
-	drm_encoder_cleanup(&psb_intel_output->enc);
-	drm_connector_cleanup(&psb_intel_output->base);
-	kfree(psb_intel_output);
-	return;
-}
diff --git a/drivers/staging/gma500/cdv_intel_display.c b/drivers/staging/gma500/cdv_intel_display.c
deleted file mode 100644
index c63a32776a9e..000000000000
--- a/drivers/staging/gma500/cdv_intel_display.c
+++ /dev/null
@@ -1,1508 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drmP.h>
-#include "framebuffer.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_display.h"
-#include "power.h"
-#include "cdv_device.h"
-
-
-struct cdv_intel_range_t {
-	int min, max;
-};
-
-struct cdv_intel_p2_t {
-	int dot_limit;
-	int p2_slow, p2_fast;
-};
-
-struct cdv_intel_clock_t {
-	/* given values */
-	int n;
-	int m1, m2;
-	int p1, p2;
-	/* derived values */
-	int dot;
-	int vco;
-	int m;
-	int p;
-};
-
-#define INTEL_P2_NUM		      2
-
-struct cdv_intel_limit_t {
-	struct cdv_intel_range_t dot, vco, n, m, m1, m2, p, p1;
-	struct cdv_intel_p2_t p2;
-};
-
-#define CDV_LIMIT_SINGLE_LVDS_96	0
-#define CDV_LIMIT_SINGLE_LVDS_100	1
-#define CDV_LIMIT_DAC_HDMI_27		2
-#define CDV_LIMIT_DAC_HDMI_96		3
-
-static const struct cdv_intel_limit_t cdv_intel_limits[] = {
-	{			/* CDV_SIGNLE_LVDS_96MHz */
-	 .dot = {.min = 20000, .max = 115500},
-	 .vco = {.min = 1800000, .max = 3600000},
-	 .n = {.min = 2, .max = 6},
-	 .m = {.min = 60, .max = 160},
-	 .m1 = {.min = 0, .max = 0},
-	 .m2 = {.min = 58, .max = 158},
-	 .p = {.min = 28, .max = 140},
-	 .p1 = {.min = 2, .max = 10},
-	 .p2 = {.dot_limit = 200000,
-		.p2_slow = 14, .p2_fast = 14},
-	 },
-	{			/* CDV_SINGLE_LVDS_100MHz */
-	 .dot = {.min = 20000, .max = 115500},
-	 .vco = {.min = 1800000, .max = 3600000},
-	 .n = {.min = 2, .max = 6},
-	 .m = {.min = 60, .max = 160},
-	 .m1 = {.min = 0, .max = 0},
-	 .m2 = {.min = 58, .max = 158},
-	 .p = {.min = 28, .max = 140},
-	 .p1 = {.min = 2, .max = 10},
-	 /* The single-channel range is 25-112Mhz, and dual-channel
-	  * is 80-224Mhz.  Prefer single channel as much as possible.
-	  */
-	 .p2 = {.dot_limit = 200000, .p2_slow = 14, .p2_fast = 14},
-	 },
-	{			/* CDV_DAC_HDMI_27MHz */
-	 .dot = {.min = 20000, .max = 400000},
-	 .vco = {.min = 1809000, .max = 3564000},
-	 .n = {.min = 1, .max = 1},
-	 .m = {.min = 67, .max = 132},
-	 .m1 = {.min = 0, .max = 0},
-	 .m2 = {.min = 65, .max = 130},
-	 .p = {.min = 5, .max = 90},
-	 .p1 = {.min = 1, .max = 9},
-	 .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5},
-	 },
-	{			/* CDV_DAC_HDMI_96MHz */
-	 .dot = {.min = 20000, .max = 400000},
-	 .vco = {.min = 1800000, .max = 3600000},
-	 .n = {.min = 2, .max = 6},
-	 .m = {.min = 60, .max = 160},
-	 .m1 = {.min = 0, .max = 0},
-	 .m2 = {.min = 58, .max = 158},
-	 .p = {.min = 5, .max = 100},
-	 .p1 = {.min = 1, .max = 10},
-	 .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5},
-	 },
-};
-
-#define _wait_for(COND, MS, W) ({ \
-	unsigned long timeout__ = jiffies + msecs_to_jiffies(MS);	\
-	int ret__ = 0;							\
-	while (!(COND)) {						\
-		if (time_after(jiffies, timeout__)) {			\
-			ret__ = -ETIMEDOUT;				\
-			break;						\
-		}							\
-		if (W && !in_dbg_master())				\
-			msleep(W);					\
-	}								\
-	ret__;								\
-})
-
-#define wait_for(COND, MS) _wait_for(COND, MS, 1)
-
-
-static int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val)
-{
-	int ret;
-
-	ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-	if (ret) {
-		DRM_ERROR("timeout waiting for SB to idle before read\n");
-		return ret;
-	}
-
-	REG_WRITE(SB_ADDR, reg);
-	REG_WRITE(SB_PCKT,
-		   SET_FIELD(SB_OPCODE_READ, SB_OPCODE) |
-		   SET_FIELD(SB_DEST_DPLL, SB_DEST) |
-		   SET_FIELD(0xf, SB_BYTE_ENABLE));
-
-	ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-	if (ret) {
-		DRM_ERROR("timeout waiting for SB to idle after read\n");
-		return ret;
-	}
-
-	*val = REG_READ(SB_DATA);
-
-	return 0;
-}
-
-static int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val)
-{
-	int ret;
-	static bool dpio_debug = true;
-	u32 temp;
-
-	if (dpio_debug) {
-		if (cdv_sb_read(dev, reg, &temp) == 0)
-			DRM_DEBUG_KMS("0x%08x: 0x%08x (before)\n", reg, temp);
-		DRM_DEBUG_KMS("0x%08x: 0x%08x\n", reg, val);
-	}
-
-	ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-	if (ret) {
-		DRM_ERROR("timeout waiting for SB to idle before write\n");
-		return ret;
-	}
-
-	REG_WRITE(SB_ADDR, reg);
-	REG_WRITE(SB_DATA, val);
-	REG_WRITE(SB_PCKT,
-		   SET_FIELD(SB_OPCODE_WRITE, SB_OPCODE) |
-		   SET_FIELD(SB_DEST_DPLL, SB_DEST) |
-		   SET_FIELD(0xf, SB_BYTE_ENABLE));
-
-	ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-	if (ret) {
-		DRM_ERROR("timeout waiting for SB to idle after write\n");
-		return ret;
-	}
-
-	if (dpio_debug) {
-		if (cdv_sb_read(dev, reg, &temp) == 0)
-			DRM_DEBUG_KMS("0x%08x: 0x%08x (after)\n", reg, temp);
-	}
-
-	return 0;
-}
-
-/* Reset the DPIO configuration register.  The BIOS does this at every
- * mode set.
- */
-static void cdv_sb_reset(struct drm_device *dev)
-{
-
-	REG_WRITE(DPIO_CFG, 0);
-	REG_READ(DPIO_CFG);
-	REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N);
-}
-
-/* Unlike most Intel display engines, on Cedarview the DPLL registers
- * are behind this sideband bus.  They must be programmed while the
- * DPLL reference clock is on in the DPLL control register, but before
- * the DPLL is enabled in the DPLL control register.
- */
-static int
-cdv_dpll_set_clock_cdv(struct drm_device *dev, struct drm_crtc *crtc,
-			       struct cdv_intel_clock_t *clock)
-{
-	struct psb_intel_crtc *psb_crtc =
-				to_psb_intel_crtc(crtc);
-	int pipe = psb_crtc->pipe;
-	u32 m, n_vco, p;
-	int ret = 0;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	u32 ref_value;
-
-	cdv_sb_reset(dev);
-
-	if ((REG_READ(dpll_reg) & DPLL_SYNCLOCK_ENABLE) == 0) {
-		DRM_ERROR("Attempting to set DPLL with refclk disabled\n");
-		return -EBUSY;
-	}
-
-	/* Follow the BIOS and write the REF/SFR Register. Hardcoded value */
-	ref_value = 0x68A701;
-
-	cdv_sb_write(dev, SB_REF_SFR(pipe), ref_value);
-
-	/* We don't know what the other fields of these regs are, so
-	 * leave them in place.
-	 */
-	ret = cdv_sb_read(dev, SB_M(pipe), &m);
-	if (ret)
-		return ret;
-	m &= ~SB_M_DIVIDER_MASK;
-	m |= ((clock->m2) << SB_M_DIVIDER_SHIFT);
-	ret = cdv_sb_write(dev, SB_M(pipe), m);
-	if (ret)
-		return ret;
-
-	ret = cdv_sb_read(dev, SB_N_VCO(pipe), &n_vco);
-	if (ret)
-		return ret;
-
-	/* Follow the BIOS to program the N_DIVIDER REG */
-	n_vco &= 0xFFFF;
-	n_vco |= 0x107;
-	n_vco &= ~(SB_N_VCO_SEL_MASK |
-		   SB_N_DIVIDER_MASK |
-		   SB_N_CB_TUNE_MASK);
-
-	n_vco |= ((clock->n) << SB_N_DIVIDER_SHIFT);
-
-	if (clock->vco < 2250000) {
-		n_vco |= (2 << SB_N_CB_TUNE_SHIFT);
-		n_vco |= (0 << SB_N_VCO_SEL_SHIFT);
-	} else if (clock->vco < 2750000) {
-		n_vco |= (1 << SB_N_CB_TUNE_SHIFT);
-		n_vco |= (1 << SB_N_VCO_SEL_SHIFT);
-	} else if (clock->vco < 3300000) {
-		n_vco |= (0 << SB_N_CB_TUNE_SHIFT);
-		n_vco |= (2 << SB_N_VCO_SEL_SHIFT);
-	} else {
-		n_vco |= (0 << SB_N_CB_TUNE_SHIFT);
-		n_vco |= (3 << SB_N_VCO_SEL_SHIFT);
-	}
-
-	ret = cdv_sb_write(dev, SB_N_VCO(pipe), n_vco);
-	if (ret)
-		return ret;
-
-	ret = cdv_sb_read(dev, SB_P(pipe), &p);
-	if (ret)
-		return ret;
-	p &= ~(SB_P2_DIVIDER_MASK | SB_P1_DIVIDER_MASK);
-	p |= SET_FIELD(clock->p1, SB_P1_DIVIDER);
-	switch (clock->p2) {
-	case 5:
-		p |= SET_FIELD(SB_P2_5, SB_P2_DIVIDER);
-		break;
-	case 10:
-		p |= SET_FIELD(SB_P2_10, SB_P2_DIVIDER);
-		break;
-	case 14:
-		p |= SET_FIELD(SB_P2_14, SB_P2_DIVIDER);
-		break;
-	case 7:
-		p |= SET_FIELD(SB_P2_7, SB_P2_DIVIDER);
-		break;
-	default:
-		DRM_ERROR("Bad P2 clock: %d\n", clock->p2);
-		return -EINVAL;
-	}
-	ret = cdv_sb_write(dev, SB_P(pipe), p);
-	if (ret)
-		return ret;
-
-	/* always Program the Lane Register for the Pipe A*/
-	if (pipe == 0) {
-		/* Program the Lane0/1 for HDMI B */
-		u32 lane_reg, lane_value;
-
-		lane_reg = PSB_LANE0;
-		cdv_sb_read(dev, lane_reg, &lane_value);
-		lane_value &= ~(LANE_PLL_MASK);
-		lane_value |= LANE_PLL_ENABLE;
-		cdv_sb_write(dev, lane_reg, lane_value);
-
-		lane_reg = PSB_LANE1;
-		cdv_sb_read(dev, lane_reg, &lane_value);
-		lane_value &= ~(LANE_PLL_MASK);
-		lane_value |= LANE_PLL_ENABLE;
-		cdv_sb_write(dev, lane_reg, lane_value);
-
-		/* Program the Lane2/3 for HDMI C */
-		lane_reg = PSB_LANE2;
-		cdv_sb_read(dev, lane_reg, &lane_value);
-		lane_value &= ~(LANE_PLL_MASK);
-		lane_value |= LANE_PLL_ENABLE;
-		cdv_sb_write(dev, lane_reg, lane_value);
-
-		lane_reg = PSB_LANE3;
-		cdv_sb_read(dev, lane_reg, &lane_value);
-		lane_value &= ~(LANE_PLL_MASK);
-		lane_value |= LANE_PLL_ENABLE;
-		cdv_sb_write(dev, lane_reg, lane_value);
-	}
-
-	return 0;
-}
-
-/*
- * Returns whether any output on the specified pipe is of the specified type
- */
-bool cdv_intel_pipe_has_type(struct drm_crtc *crtc, int type)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *l_entry;
-
-	list_for_each_entry(l_entry, &mode_config->connector_list, head) {
-		if (l_entry->encoder && l_entry->encoder->crtc == crtc) {
-			struct psb_intel_output *psb_intel_output =
-			    to_psb_intel_output(l_entry);
-			if (psb_intel_output->type == type)
-				return true;
-		}
-	}
-	return false;
-}
-
-static const struct cdv_intel_limit_t *cdv_intel_limit(struct drm_crtc *crtc,
-							int refclk)
-{
-	const struct cdv_intel_limit_t *limit;
-	if (cdv_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-		/*
-		 * Now only single-channel LVDS is supported on CDV. If it is
-		 * incorrect, please add the dual-channel LVDS.
-		 */
-		if (refclk == 96000)
-			limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_96];
-		else
-			limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_100];
-	} else {
-		if (refclk == 27000)
-			limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_27];
-		else
-			limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_96];
-	}
-	return limit;
-}
-
-/* m1 is reserved as 0 in CDV, n is a ring counter */
-static void cdv_intel_clock(struct drm_device *dev,
-			int refclk, struct cdv_intel_clock_t *clock)
-{
-	clock->m = clock->m2 + 2;
-	clock->p = clock->p1 * clock->p2;
-	clock->vco = (refclk * clock->m) / clock->n;
-	clock->dot = clock->vco / clock->p;
-}
-
-
-#define INTELPllInvalid(s)   { /* ErrorF (s) */; return false; }
-static bool cdv_intel_PLL_is_valid(struct drm_crtc *crtc,
-				const struct cdv_intel_limit_t *limit,
-			       struct cdv_intel_clock_t *clock)
-{
-	if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
-		INTELPllInvalid("p1 out of range\n");
-	if (clock->p < limit->p.min || limit->p.max < clock->p)
-		INTELPllInvalid("p out of range\n");
-	/* unnecessary to check the range of m(m1/M2)/n again */
-	if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
-		INTELPllInvalid("vco out of range\n");
-	/* XXX: We may need to be checking "Dot clock"
-	 * depending on the multiplier, connector, etc.,
-	 * rather than just a single range.
-	 */
-	if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
-		INTELPllInvalid("dot out of range\n");
-
-	return true;
-}
-
-static bool cdv_intel_find_best_PLL(struct drm_crtc *crtc, int target,
-				int refclk,
-				struct cdv_intel_clock_t *best_clock)
-{
-	struct drm_device *dev = crtc->dev;
-	struct cdv_intel_clock_t clock;
-	const struct cdv_intel_limit_t *limit = cdv_intel_limit(crtc, refclk);
-	int err = target;
-
-
-	if (cdv_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
-	    (REG_READ(LVDS) & LVDS_PORT_EN) != 0) {
-		/*
-		 * For LVDS, if the panel is on, just rely on its current
-		 * settings for dual-channel.  We haven't figured out how to
-		 * reliably set up different single/dual channel state, if we
-		 * even can.
-		 */
-		if ((REG_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
-		    LVDS_CLKB_POWER_UP)
-			clock.p2 = limit->p2.p2_fast;
-		else
-			clock.p2 = limit->p2.p2_slow;
-	} else {
-		if (target < limit->p2.dot_limit)
-			clock.p2 = limit->p2.p2_slow;
-		else
-			clock.p2 = limit->p2.p2_fast;
-	}
-
-	memset(best_clock, 0, sizeof(*best_clock));
-	clock.m1 = 0;
-	/* m1 is reserved as 0 in CDV, n is a ring counter.
-	   So skip the m1 loop */
-	for (clock.n = limit->n.min; clock.n <= limit->n.max; clock.n++) {
-		for (clock.m2 = limit->m2.min; clock.m2 <= limit->m2.max;
-					     clock.m2++) {
-			for (clock.p1 = limit->p1.min;
-					clock.p1 <= limit->p1.max;
-					clock.p1++) {
-				int this_err;
-
-				cdv_intel_clock(dev, refclk, &clock);
-
-				if (!cdv_intel_PLL_is_valid(crtc,
-								limit, &clock))
-						continue;
-
-				this_err = abs(clock.dot - target);
-				if (this_err < err) {
-					*best_clock = clock;
-					err = this_err;
-				}
-			}
-		}
-	}
-
-	return err != target;
-}
-
-int cdv_intel_pipe_set_base(struct drm_crtc *crtc,
-			    int x, int y, struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-	int pipe = psb_intel_crtc->pipe;
-	unsigned long start, offset;
-	int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE);
-	int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
-	int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	u32 dspcntr;
-	int ret = 0;
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	/* no fb bound */
-	if (!crtc->fb) {
-		dev_err(dev->dev, "No FB bound\n");
-		goto psb_intel_pipe_cleaner;
-	}
-
-
-	/* We are displaying this buffer, make sure it is actually loaded
-	   into the GTT */
-	ret = psb_gtt_pin(psbfb->gtt);
-	if (ret < 0)
-		goto psb_intel_pipe_set_base_exit;
-	start = psbfb->gtt->offset;
-	offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-	REG_WRITE(dspstride, crtc->fb->pitches[0]);
-
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-	switch (crtc->fb->bits_per_pixel) {
-	case 8:
-		dspcntr |= DISPPLANE_8BPP;
-		break;
-	case 16:
-		if (crtc->fb->depth == 15)
-			dspcntr |= DISPPLANE_15_16BPP;
-		else
-			dspcntr |= DISPPLANE_16BPP;
-		break;
-	case 24:
-	case 32:
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown color depth\n");
-		ret = -EINVAL;
-		goto psb_intel_pipe_set_base_exit;
-	}
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	dev_dbg(dev->dev,
-		"Writing base %08lX %08lX %d %d\n", start, offset, x, y);
-
-	REG_WRITE(dspbase, offset);
-	REG_READ(dspbase);
-	REG_WRITE(dspsurf, start);
-	REG_READ(dspsurf);
-
-psb_intel_pipe_cleaner:
-	/* If there was a previous display we can now unpin it */
-	if (old_fb)
-		psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
-
-psb_intel_pipe_set_base_exit:
-	gma_power_end(dev);
-	return ret;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void cdv_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	u32 temp;
-	bool enabled;
-
-	/* XXX: When our outputs are all unaware of DPMS modes other than off
-	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-	 */
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable the DPLL */
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) == 0) {
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-		}
-
-		/* Jim Bish - switch plan and pipe per scott */
-		/* Enable the plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		}
-
-		udelay(150);
-
-		/* Enable the pipe */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) == 0)
-			REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-
-		psb_intel_crtc_load_lut(crtc);
-
-		/* Give the overlay scaler a chance to enable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
-		break;
-	case DRM_MODE_DPMS_OFF:
-		/* Give the overlay scaler a chance to disable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-
-		/* Disable the VGA plane that we never use */
-		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-		/* Jim Bish - changed pipe/plane here as well. */
-
-		/* Wait for vblank for the disable to take effect */
-		cdv_intel_wait_for_vblank(dev);
-
-		/* Next, disable display pipes */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
-			REG_READ(pipeconf_reg);
-		}
-
-		/* Wait for vblank for the disable to take effect. */
-		cdv_intel_wait_for_vblank(dev);
-
-		udelay(150);
-
-		/* Disable display plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp & ~DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-			REG_READ(dspbase_reg);
-		}
-
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) != 0) {
-			REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-		}
-
-		/* Wait for the clocks to turn off. */
-		udelay(150);
-		break;
-	}
-	enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-	/*Set FIFO Watermarks*/
-	REG_WRITE(DSPARB, 0x3F3E);
-}
-
-static void cdv_intel_crtc_prepare(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void cdv_intel_crtc_commit(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-void cdv_intel_encoder_prepare(struct drm_encoder *encoder)
-{
-	struct drm_encoder_helper_funcs *encoder_funcs =
-	    encoder->helper_private;
-	/* lvds has its own version of prepare see cdv_intel_lvds_prepare */
-	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
-}
-
-void cdv_intel_encoder_commit(struct drm_encoder *encoder)
-{
-	struct drm_encoder_helper_funcs *encoder_funcs =
-	    encoder->helper_private;
-	/* lvds has its own version of commit see cdv_intel_lvds_commit */
-	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
-}
-
-static bool cdv_intel_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int cdv_intel_panel_fitter_pipe(struct drm_device *dev)
-{
-	u32 pfit_control;
-
-	pfit_control = REG_READ(PFIT_CONTROL);
-
-	/* See if the panel fitter is in use */
-	if ((pfit_control & PFIT_ENABLE) == 0)
-		return -1;
-	return (pfit_control >> 29) & 0x3;
-}
-
-static int cdv_intel_crtc_mode_set(struct drm_crtc *crtc,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode,
-			       int x, int y,
-			       struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	int dpll_md_reg = (psb_intel_crtc->pipe == 0) ? DPLL_A_MD : DPLL_B_MD;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-	int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-	int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-	int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-	int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-	int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-	int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
-	int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
-	int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-	int refclk;
-	struct cdv_intel_clock_t clock;
-	u32 dpll = 0, dspcntr, pipeconf;
-	bool ok, is_sdvo = false, is_dvo = false;
-	bool is_crt = false, is_lvds = false, is_tv = false;
-	bool is_hdmi = false;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *connector;
-
-	list_for_each_entry(connector, &mode_config->connector_list, head) {
-		struct psb_intel_output *psb_intel_output =
-		    to_psb_intel_output(connector);
-
-		if (!connector->encoder
-		    || connector->encoder->crtc != crtc)
-			continue;
-
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-			is_lvds = true;
-			break;
-		case INTEL_OUTPUT_SDVO:
-			is_sdvo = true;
-			break;
-		case INTEL_OUTPUT_DVO:
-			is_dvo = true;
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			is_tv = true;
-			break;
-		case INTEL_OUTPUT_ANALOG:
-			is_crt = true;
-			break;
-		case INTEL_OUTPUT_HDMI:
-			is_hdmi = true;
-			break;
-		}
-	}
-
-	refclk = 96000;
-
-	/* Hack selection about ref clk for CRT */
-	/* Select 27MHz as the reference clk for HDMI */
-	if (is_crt || is_hdmi)
-		refclk = 27000;
-
-	drm_mode_debug_printmodeline(adjusted_mode);
-
-	ok = cdv_intel_find_best_PLL(crtc, adjusted_mode->clock, refclk,
-				 &clock);
-	if (!ok) {
-		dev_err(dev->dev, "Couldn't find PLL settings for mode!\n");
-		return 0;
-	}
-
-	dpll = DPLL_VGA_MODE_DIS;
-	if (is_tv) {
-		/* XXX: just matching BIOS for now */
-/*	dpll |= PLL_REF_INPUT_TVCLKINBC; */
-		dpll |= 3;
-	}
-		dpll |= PLL_REF_INPUT_DREFCLK;
-
-	dpll |= DPLL_SYNCLOCK_ENABLE;
-	dpll |= DPLL_VGA_MODE_DIS;
-	if (is_lvds)
-		dpll |= DPLLB_MODE_LVDS;
-	else
-		dpll |= DPLLB_MODE_DAC_SERIAL;
-	/* dpll |= (2 << 11); */
-
-	/* setup pipeconf */
-	pipeconf = REG_READ(pipeconf_reg);
-
-	/* Set up the display plane register */
-	dspcntr = DISPPLANE_GAMMA_ENABLE;
-
-	if (pipe == 0)
-		dspcntr |= DISPPLANE_SEL_PIPE_A;
-	else
-		dspcntr |= DISPPLANE_SEL_PIPE_B;
-
-	dspcntr |= DISPLAY_PLANE_ENABLE;
-	pipeconf |= PIPEACONF_ENABLE;
-
-	REG_WRITE(dpll_reg, dpll | DPLL_VGA_MODE_DIS | DPLL_SYNCLOCK_ENABLE);
-	REG_READ(dpll_reg);
-
-	cdv_dpll_set_clock_cdv(dev, crtc, &clock);
-
-	udelay(150);
-
-
-	/* The LVDS pin pair needs to be on before the DPLLs are enabled.
-	 * This is an exception to the general rule that mode_set doesn't turn
-	 * things on.
-	 */
-	if (is_lvds) {
-		u32 lvds = REG_READ(LVDS);
-
-		lvds |=
-		    LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP |
-		    LVDS_PIPEB_SELECT;
-		/* Set the B0-B3 data pairs corresponding to
-		 * whether we're going to
-		 * set the DPLLs for dual-channel mode or not.
-		 */
-		if (clock.p2 == 7)
-			lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
-		else
-			lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
-
-		/* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
-		 * appropriately here, but we need to look more
-		 * thoroughly into how panels behave in the two modes.
-		 */
-
-		REG_WRITE(LVDS, lvds);
-		REG_READ(LVDS);
-	}
-
-	dpll |= DPLL_VCO_ENABLE;
-
-	/* Disable the panel fitter if it was on our pipe */
-	if (cdv_intel_panel_fitter_pipe(dev) == pipe)
-		REG_WRITE(PFIT_CONTROL, 0);
-
-	DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
-	drm_mode_debug_printmodeline(mode);
-
-	REG_WRITE(dpll_reg,
-		(REG_READ(dpll_reg) & ~DPLL_LOCK) | DPLL_VCO_ENABLE);
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150); /* 42 usec w/o calibration, 110 with.  rounded up. */
-
-	if (!(REG_READ(dpll_reg) & DPLL_LOCK)) {
-		dev_err(dev->dev, "Failed to get DPLL lock\n");
-		return -EBUSY;
-	}
-
-	{
-		int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
-		REG_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) | ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
-	}
-
-	REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-		  ((adjusted_mode->crtc_htotal - 1) << 16));
-	REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-		  ((adjusted_mode->crtc_hblank_end - 1) << 16));
-	REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-		  ((adjusted_mode->crtc_hsync_end - 1) << 16));
-	REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-		  ((adjusted_mode->crtc_vtotal - 1) << 16));
-	REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-		  ((adjusted_mode->crtc_vblank_end - 1) << 16));
-	REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-		  ((adjusted_mode->crtc_vsync_end - 1) << 16));
-	/* pipesrc and dspsize control the size that is scaled from,
-	 * which should always be the user's requested size.
-	 */
-	REG_WRITE(dspsize_reg,
-		  ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-	REG_WRITE(dsppos_reg, 0);
-	REG_WRITE(pipesrc_reg,
-		  ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-
-	cdv_intel_wait_for_vblank(dev);
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	/* Flush the plane changes */
-	{
-		struct drm_crtc_helper_funcs *crtc_funcs =
-		    crtc->helper_private;
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-	}
-
-	cdv_intel_wait_for_vblank(dev);
-
-	return 0;
-}
-
-/** Loads the palette/gamma unit for the CRTC with the prepared values */
-void cdv_intel_crtc_load_lut(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv =
-				(struct drm_psb_private *)dev->dev_private;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int palreg = PALETTE_A;
-	int i;
-
-	/* The clocks have to be on to load the palette. */
-	if (!crtc->enabled)
-		return;
-
-	switch (psb_intel_crtc->pipe) {
-	case 0:
-		break;
-	case 1:
-		palreg = PALETTE_B;
-		break;
-	case 2:
-		palreg = PALETTE_C;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return;
-	}
-
-	if (gma_power_begin(dev, false)) {
-		for (i = 0; i < 256; i++) {
-			REG_WRITE(palreg + 4 * i,
-				  ((psb_intel_crtc->lut_r[i] +
-				  psb_intel_crtc->lut_adj[i]) << 16) |
-				  ((psb_intel_crtc->lut_g[i] +
-				  psb_intel_crtc->lut_adj[i]) << 8) |
-				  (psb_intel_crtc->lut_b[i] +
-				  psb_intel_crtc->lut_adj[i]));
-		}
-		gma_power_end(dev);
-	} else {
-		for (i = 0; i < 256; i++) {
-			dev_priv->save_palette_a[i] =
-				  ((psb_intel_crtc->lut_r[i] +
-				  psb_intel_crtc->lut_adj[i]) << 16) |
-				  ((psb_intel_crtc->lut_g[i] +
-				  psb_intel_crtc->lut_adj[i]) << 8) |
-				  (psb_intel_crtc->lut_b[i] +
-				  psb_intel_crtc->lut_adj[i]);
-		}
-
-	}
-}
-
-/**
- * Save HW states of giving crtc
- */
-static void cdv_intel_crtc_save(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_psb_private *dev_priv =
-			(struct drm_psb_private *)dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-	int pipeA = (psb_intel_crtc->pipe == 0);
-	uint32_t paletteReg;
-	int i;
-
-	if (!crtc_state) {
-		dev_dbg(dev->dev, "No CRTC state found\n");
-		return;
-	}
-
-	crtc_state->saveDSPCNTR = REG_READ(pipeA ? DSPACNTR : DSPBCNTR);
-	crtc_state->savePIPECONF = REG_READ(pipeA ? PIPEACONF : PIPEBCONF);
-	crtc_state->savePIPESRC = REG_READ(pipeA ? PIPEASRC : PIPEBSRC);
-	crtc_state->saveFP0 = REG_READ(pipeA ? FPA0 : FPB0);
-	crtc_state->saveFP1 = REG_READ(pipeA ? FPA1 : FPB1);
-	crtc_state->saveDPLL = REG_READ(pipeA ? DPLL_A : DPLL_B);
-	crtc_state->saveHTOTAL = REG_READ(pipeA ? HTOTAL_A : HTOTAL_B);
-	crtc_state->saveHBLANK = REG_READ(pipeA ? HBLANK_A : HBLANK_B);
-	crtc_state->saveHSYNC = REG_READ(pipeA ? HSYNC_A : HSYNC_B);
-	crtc_state->saveVTOTAL = REG_READ(pipeA ? VTOTAL_A : VTOTAL_B);
-	crtc_state->saveVBLANK = REG_READ(pipeA ? VBLANK_A : VBLANK_B);
-	crtc_state->saveVSYNC = REG_READ(pipeA ? VSYNC_A : VSYNC_B);
-	crtc_state->saveDSPSTRIDE = REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE);
-
-	/*NOTE: DSPSIZE DSPPOS only for psb*/
-	crtc_state->saveDSPSIZE = REG_READ(pipeA ? DSPASIZE : DSPBSIZE);
-	crtc_state->saveDSPPOS = REG_READ(pipeA ? DSPAPOS : DSPBPOS);
-
-	crtc_state->saveDSPBASE = REG_READ(pipeA ? DSPABASE : DSPBBASE);
-
-	DRM_DEBUG("(%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n",
-			crtc_state->saveDSPCNTR,
-			crtc_state->savePIPECONF,
-			crtc_state->savePIPESRC,
-			crtc_state->saveFP0,
-			crtc_state->saveFP1,
-			crtc_state->saveDPLL,
-			crtc_state->saveHTOTAL,
-			crtc_state->saveHBLANK,
-			crtc_state->saveHSYNC,
-			crtc_state->saveVTOTAL,
-			crtc_state->saveVBLANK,
-			crtc_state->saveVSYNC,
-			crtc_state->saveDSPSTRIDE,
-			crtc_state->saveDSPSIZE,
-			crtc_state->saveDSPPOS,
-			crtc_state->saveDSPBASE
-		);
-
-	paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-	for (i = 0; i < 256; ++i)
-		crtc_state->savePalette[i] = REG_READ(paletteReg + (i << 2));
-}
-
-/**
- * Restore HW states of giving crtc
- */
-static void cdv_intel_crtc_restore(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_psb_private * dev_priv =
-				(struct drm_psb_private *)dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc =  to_psb_intel_crtc(crtc);
-	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-	/* struct drm_crtc_helper_funcs * crtc_funcs = crtc->helper_private; */
-	int pipeA = (psb_intel_crtc->pipe == 0);
-	uint32_t paletteReg;
-	int i;
-
-	if (!crtc_state) {
-		dev_dbg(dev->dev, "No crtc state\n");
-		return;
-	}
-
-	DRM_DEBUG(
-		"current:(%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n",
-		REG_READ(pipeA ? DSPACNTR : DSPBCNTR),
-		REG_READ(pipeA ? PIPEACONF : PIPEBCONF),
-		REG_READ(pipeA ? PIPEASRC : PIPEBSRC),
-		REG_READ(pipeA ? FPA0 : FPB0),
-		REG_READ(pipeA ? FPA1 : FPB1),
-		REG_READ(pipeA ? DPLL_A : DPLL_B),
-		REG_READ(pipeA ? HTOTAL_A : HTOTAL_B),
-		REG_READ(pipeA ? HBLANK_A : HBLANK_B),
-		REG_READ(pipeA ? HSYNC_A : HSYNC_B),
-		REG_READ(pipeA ? VTOTAL_A : VTOTAL_B),
-		REG_READ(pipeA ? VBLANK_A : VBLANK_B),
-		REG_READ(pipeA ? VSYNC_A : VSYNC_B),
-		REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE),
-		REG_READ(pipeA ? DSPASIZE : DSPBSIZE),
-		REG_READ(pipeA ? DSPAPOS : DSPBPOS),
-		REG_READ(pipeA ? DSPABASE : DSPBBASE)
-		);
-
-	DRM_DEBUG(
-		"saved: (%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n",
-		crtc_state->saveDSPCNTR,
-		crtc_state->savePIPECONF,
-		crtc_state->savePIPESRC,
-		crtc_state->saveFP0,
-		crtc_state->saveFP1,
-		crtc_state->saveDPLL,
-		crtc_state->saveHTOTAL,
-		crtc_state->saveHBLANK,
-		crtc_state->saveHSYNC,
-		crtc_state->saveVTOTAL,
-		crtc_state->saveVBLANK,
-		crtc_state->saveVSYNC,
-		crtc_state->saveDSPSTRIDE,
-		crtc_state->saveDSPSIZE,
-		crtc_state->saveDSPPOS,
-		crtc_state->saveDSPBASE
-		);
-
-
-	if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) {
-		REG_WRITE(pipeA ? DPLL_A : DPLL_B,
-			crtc_state->saveDPLL & ~DPLL_VCO_ENABLE);
-		REG_READ(pipeA ? DPLL_A : DPLL_B);
-		DRM_DEBUG("write dpll: %x\n",
-				REG_READ(pipeA ? DPLL_A : DPLL_B));
-		udelay(150);
-	}
-
-	REG_WRITE(pipeA ? FPA0 : FPB0, crtc_state->saveFP0);
-	REG_READ(pipeA ? FPA0 : FPB0);
-
-	REG_WRITE(pipeA ? FPA1 : FPB1, crtc_state->saveFP1);
-	REG_READ(pipeA ? FPA1 : FPB1);
-
-	REG_WRITE(pipeA ? DPLL_A : DPLL_B, crtc_state->saveDPLL);
-	REG_READ(pipeA ? DPLL_A : DPLL_B);
-	udelay(150);
-
-	REG_WRITE(pipeA ? HTOTAL_A : HTOTAL_B, crtc_state->saveHTOTAL);
-	REG_WRITE(pipeA ? HBLANK_A : HBLANK_B, crtc_state->saveHBLANK);
-	REG_WRITE(pipeA ? HSYNC_A : HSYNC_B, crtc_state->saveHSYNC);
-	REG_WRITE(pipeA ? VTOTAL_A : VTOTAL_B, crtc_state->saveVTOTAL);
-	REG_WRITE(pipeA ? VBLANK_A : VBLANK_B, crtc_state->saveVBLANK);
-	REG_WRITE(pipeA ? VSYNC_A : VSYNC_B, crtc_state->saveVSYNC);
-	REG_WRITE(pipeA ? DSPASTRIDE : DSPBSTRIDE, crtc_state->saveDSPSTRIDE);
-
-	REG_WRITE(pipeA ? DSPASIZE : DSPBSIZE, crtc_state->saveDSPSIZE);
-	REG_WRITE(pipeA ? DSPAPOS : DSPBPOS, crtc_state->saveDSPPOS);
-
-	REG_WRITE(pipeA ? PIPEASRC : PIPEBSRC, crtc_state->savePIPESRC);
-	REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-	REG_WRITE(pipeA ? PIPEACONF : PIPEBCONF, crtc_state->savePIPECONF);
-
-	cdv_intel_wait_for_vblank(dev);
-
-	REG_WRITE(pipeA ? DSPACNTR : DSPBCNTR, crtc_state->saveDSPCNTR);
-	REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-
-	cdv_intel_wait_for_vblank(dev);
-
-	paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-	for (i = 0; i < 256; ++i)
-		REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]);
-}
-
-static int cdv_intel_crtc_cursor_set(struct drm_crtc *crtc,
-				 struct drm_file *file_priv,
-				 uint32_t handle,
-				 uint32_t width, uint32_t height)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
-	uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
-	uint32_t temp;
-	size_t addr = 0;
-	struct gtt_range *gt;
-	struct drm_gem_object *obj;
-	int ret;
-
-	/* if we want to turn of the cursor ignore width and height */
-	if (!handle) {
-		/* turn off the cursor */
-		temp = CURSOR_MODE_DISABLE;
-
-		if (gma_power_begin(dev, false)) {
-			REG_WRITE(control, temp);
-			REG_WRITE(base, 0);
-			gma_power_end(dev);
-		}
-
-		/* unpin the old GEM object */
-		if (psb_intel_crtc->cursor_obj) {
-			gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-			psb_gtt_unpin(gt);
-			drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-			psb_intel_crtc->cursor_obj = NULL;
-		}
-
-		return 0;
-	}
-
-	/* Currently we only support 64x64 cursors */
-	if (width != 64 || height != 64) {
-		dev_dbg(dev->dev, "we currently only support 64x64 cursors\n");
-		return -EINVAL;
-	}
-
-	obj = drm_gem_object_lookup(dev, file_priv, handle);
-	if (!obj)
-		return -ENOENT;
-
-	if (obj->size < width * height * 4) {
-		dev_dbg(dev->dev, "buffer is to small\n");
-		return -ENOMEM;
-	}
-
-	gt = container_of(obj, struct gtt_range, gem);
-
-	/* Pin the memory into the GTT */
-	ret = psb_gtt_pin(gt);
-	if (ret) {
-		dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-		return ret;
-	}
-
-	addr = gt->offset;	/* Or resource.start ??? */
-
-	psb_intel_crtc->cursor_addr = addr;
-
-	temp = 0;
-	/* set the pipe for the cursor */
-	temp |= (pipe << 28);
-	temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE(control, temp);
-		REG_WRITE(base, addr);
-		gma_power_end(dev);
-	}
-
-	/* unpin the old GEM object */
-	if (psb_intel_crtc->cursor_obj) {
-		gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-		psb_gtt_unpin(gt);
-		drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-		psb_intel_crtc->cursor_obj = obj;
-	}
-	return 0;
-}
-
-static int cdv_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t temp = 0;
-	uint32_t adder;
-
-
-	if (x < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
-		x = -x;
-	}
-	if (y < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
-		y = -y;
-	}
-
-	temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-	temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-
-	adder = psb_intel_crtc->cursor_addr;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
-		REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder);
-		gma_power_end(dev);
-	}
-	return 0;
-}
-
-static void cdv_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-			 u16 *green, u16 *blue, uint32_t start, uint32_t size)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int i;
-	int end = (start + size > 256) ? 256 : start + size;
-
-	for (i = start; i < end; i++) {
-		psb_intel_crtc->lut_r[i] = red[i] >> 8;
-		psb_intel_crtc->lut_g[i] = green[i] >> 8;
-		psb_intel_crtc->lut_b[i] = blue[i] >> 8;
-	}
-
-	cdv_intel_crtc_load_lut(crtc);
-}
-
-static int cdv_crtc_set_config(struct drm_mode_set *set)
-{
-	int ret = 0;
-	struct drm_device *dev = set->crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!dev_priv->rpm_enabled)
-		return drm_crtc_helper_set_config(set);
-
-	pm_runtime_forbid(&dev->pdev->dev);
-
-	ret = drm_crtc_helper_set_config(set);
-
-	pm_runtime_allow(&dev->pdev->dev);
-
-	return ret;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-
-/* FIXME: why are we using this, should it be cdv_ in this tree ? */
-
-static void i8xx_clock(int refclk, struct cdv_intel_clock_t *clock)
-{
-	clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-	clock->p = clock->p1 * clock->p2;
-	clock->vco = refclk * clock->m / (clock->n + 2);
-	clock->dot = clock->vco / clock->p;
-}
-
-/* Returns the clock of the currently programmed mode of the given pipe. */
-static int cdv_intel_crtc_clock_get(struct drm_device *dev,
-				struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	u32 dpll;
-	u32 fp;
-	struct cdv_intel_clock_t clock;
-	bool is_lvds;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (gma_power_begin(dev, false)) {
-		dpll = REG_READ((pipe == 0) ? DPLL_A : DPLL_B);
-		if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-			fp = REG_READ((pipe == 0) ? FPA0 : FPB0);
-		else
-			fp = REG_READ((pipe == 0) ? FPA1 : FPB1);
-		is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN);
-		gma_power_end(dev);
-	} else {
-		dpll = (pipe == 0) ?
-			dev_priv->saveDPLL_A : dev_priv->saveDPLL_B;
-
-		if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-			fp = (pipe == 0) ?
-				dev_priv->saveFPA0 :
-				dev_priv->saveFPB0;
-		else
-			fp = (pipe == 0) ?
-				dev_priv->saveFPA1 :
-				dev_priv->saveFPB1;
-
-		is_lvds = (pipe == 1) && (dev_priv->saveLVDS & LVDS_PORT_EN);
-	}
-
-	clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
-	clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
-	clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
-
-	if (is_lvds) {
-		clock.p1 =
-		    ffs((dpll &
-			 DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
-			DPLL_FPA01_P1_POST_DIV_SHIFT);
-		if (clock.p1 == 0) {
-			clock.p1 = 4;
-			dev_err(dev->dev, "PLL %d\n", dpll);
-		}
-		clock.p2 = 14;
-
-		if ((dpll & PLL_REF_INPUT_MASK) ==
-		    PLLB_REF_INPUT_SPREADSPECTRUMIN) {
-			/* XXX: might not be 66MHz */
-			i8xx_clock(66000, &clock);
-		} else
-			i8xx_clock(48000, &clock);
-	} else {
-		if (dpll & PLL_P1_DIVIDE_BY_TWO)
-			clock.p1 = 2;
-		else {
-			clock.p1 =
-			    ((dpll &
-			      DPLL_FPA01_P1_POST_DIV_MASK_I830) >>
-			     DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
-		}
-		if (dpll & PLL_P2_DIVIDE_BY_4)
-			clock.p2 = 4;
-		else
-			clock.p2 = 2;
-
-		i8xx_clock(48000, &clock);
-	}
-
-	/* XXX: It would be nice to validate the clocks, but we can't reuse
-	 * i830PllIsValid() because it relies on the xf86_config connector
-	 * configuration being accurate, which it isn't necessarily.
-	 */
-
-	return clock.dot;
-}
-
-/** Returns the currently programmed mode of the given pipe. */
-struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev,
-					     struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	struct drm_display_mode *mode;
-	int htot;
-	int hsync;
-	int vtot;
-	int vsync;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (gma_power_begin(dev, false)) {
-		htot = REG_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B);
-		hsync = REG_READ((pipe == 0) ? HSYNC_A : HSYNC_B);
-		vtot = REG_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B);
-		vsync = REG_READ((pipe == 0) ? VSYNC_A : VSYNC_B);
-		gma_power_end(dev);
-	} else {
-		htot = (pipe == 0) ?
-			dev_priv->saveHTOTAL_A : dev_priv->saveHTOTAL_B;
-		hsync = (pipe == 0) ?
-			dev_priv->saveHSYNC_A : dev_priv->saveHSYNC_B;
-		vtot = (pipe == 0) ?
-			dev_priv->saveVTOTAL_A : dev_priv->saveVTOTAL_B;
-		vsync = (pipe == 0) ?
-			dev_priv->saveVSYNC_A : dev_priv->saveVSYNC_B;
-	}
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode)
-		return NULL;
-
-	mode->clock = cdv_intel_crtc_clock_get(dev, crtc);
-	mode->hdisplay = (htot & 0xffff) + 1;
-	mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
-	mode->hsync_start = (hsync & 0xffff) + 1;
-	mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
-	mode->vdisplay = (vtot & 0xffff) + 1;
-	mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
-	mode->vsync_start = (vsync & 0xffff) + 1;
-	mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	return mode;
-}
-
-static void cdv_intel_crtc_destroy(struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-
-	kfree(psb_intel_crtc->crtc_state);
-	drm_crtc_cleanup(crtc);
-	kfree(psb_intel_crtc);
-}
-
-const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
-	.dpms = cdv_intel_crtc_dpms,
-	.mode_fixup = cdv_intel_crtc_mode_fixup,
-	.mode_set = cdv_intel_crtc_mode_set,
-	.mode_set_base = cdv_intel_pipe_set_base,
-	.prepare = cdv_intel_crtc_prepare,
-	.commit = cdv_intel_crtc_commit,
-};
-
-const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
-	.save = cdv_intel_crtc_save,
-	.restore = cdv_intel_crtc_restore,
-	.cursor_set = cdv_intel_crtc_cursor_set,
-	.cursor_move = cdv_intel_crtc_cursor_move,
-	.gamma_set = cdv_intel_crtc_gamma_set,
-	.set_config = cdv_crtc_set_config,
-	.destroy = cdv_intel_crtc_destroy,
-};
-
-/*
- * Set the default value of cursor control and base register
- * to zero. This is a workaround for h/w defect on oaktrail
- */
-void cdv_intel_cursor_init(struct drm_device *dev, int pipe)
-{
-	uint32_t control;
-	uint32_t base;
-
-	switch (pipe) {
-	case 0:
-		control = CURACNTR;
-		base = CURABASE;
-		break;
-	case 1:
-		control = CURBCNTR;
-		base = CURBBASE;
-		break;
-	case 2:
-		control = CURCCNTR;
-		base = CURCBASE;
-		break;
-	default:
-		return;
-	}
-
-	REG_WRITE(control, 0);
-	REG_WRITE(base, 0);
-}
-
diff --git a/drivers/staging/gma500/cdv_intel_hdmi.c b/drivers/staging/gma500/cdv_intel_hdmi.c
deleted file mode 100644
index cbca2b0c7d58..000000000000
--- a/drivers/staging/gma500/cdv_intel_hdmi.c
+++ /dev/null
@@ -1,376 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	jim liu <jim.liu@intel.com>
- *
- * FIXME:
- *	We should probably make this generic and share it with Medfield
- */
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-#include "psb_intel_drv.h"
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include <linux/pm_runtime.h>
-
-/* hdmi control bits */
-#define HDMI_NULL_PACKETS_DURING_VSYNC	(1 << 9)
-#define HDMI_BORDER_ENABLE		(1 << 7)
-#define HDMI_AUDIO_ENABLE		(1 << 6)
-#define HDMI_VSYNC_ACTIVE_HIGH		(1 << 4)
-#define HDMI_HSYNC_ACTIVE_HIGH		(1 << 3)
-/* hdmi-b control bits */
-#define	HDMIB_PIPE_B_SELECT		(1 << 30)
-
-
-struct mid_intel_hdmi_priv {
-	u32 hdmi_reg;
-	u32 save_HDMIB;
-	bool has_hdmi_sink;
-	bool has_hdmi_audio;
-	/* Should set this when detect hotplug */
-	bool hdmi_device_connected;
-	struct mdfld_hdmi_i2c *i2c_bus;
-	struct i2c_adapter *hdmi_i2c_adapter;	/* for control functions */
-	struct drm_device *dev;
-};
-
-static void cdv_hdmi_mode_set(struct drm_encoder *encoder,
-			struct drm_display_mode *mode,
-			struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-	u32 hdmib;
-	struct drm_crtc *crtc = encoder->crtc;
-	struct psb_intel_crtc *intel_crtc = to_psb_intel_crtc(crtc);
-
-	hdmib = (2 << 10);
-
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-		hdmib |= HDMI_VSYNC_ACTIVE_HIGH;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-		hdmib |= HDMI_HSYNC_ACTIVE_HIGH;
-
-	if (intel_crtc->pipe == 1)
-		hdmib |= HDMIB_PIPE_B_SELECT;
-
-	if (hdmi_priv->has_hdmi_audio) {
-		hdmib |= HDMI_AUDIO_ENABLE;
-		hdmib |= HDMI_NULL_PACKETS_DURING_VSYNC;
-	}
-
-	REG_WRITE(hdmi_priv->hdmi_reg, hdmib);
-	REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static bool cdv_hdmi_mode_fixup(struct drm_encoder *encoder,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-static void cdv_hdmi_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-	u32 hdmib;
-
-	hdmib = REG_READ(hdmi_priv->hdmi_reg);
-
-	if (mode != DRM_MODE_DPMS_ON)
-		REG_WRITE(hdmi_priv->hdmi_reg, hdmib & ~HDMIB_PORT_EN);
-	else
-		REG_WRITE(hdmi_priv->hdmi_reg, hdmib | HDMIB_PORT_EN);
-	REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static void cdv_hdmi_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *output = to_psb_intel_output(connector);
-	struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-
-	hdmi_priv->save_HDMIB = REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static void cdv_hdmi_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *output = to_psb_intel_output(connector);
-	struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-
-	REG_WRITE(hdmi_priv->hdmi_reg, hdmi_priv->save_HDMIB);
-	REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static enum drm_connector_status cdv_hdmi_detect(
-				struct drm_connector *connector, bool force)
-{
-	struct psb_intel_output *psb_intel_output =
-						to_psb_intel_output(connector);
-	struct mid_intel_hdmi_priv *hdmi_priv = psb_intel_output->dev_priv;
-	struct edid *edid = NULL;
-	enum drm_connector_status status = connector_status_disconnected;
-
-	edid = drm_get_edid(&psb_intel_output->base,
-			 psb_intel_output->hdmi_i2c_adapter);
-
-	hdmi_priv->has_hdmi_sink = false;
-	hdmi_priv->has_hdmi_audio = false;
-	if (edid) {
-		if (edid->input & DRM_EDID_INPUT_DIGITAL) {
-			status = connector_status_connected;
-			hdmi_priv->has_hdmi_sink =
-						drm_detect_hdmi_monitor(edid);
-			hdmi_priv->has_hdmi_audio =
-						drm_detect_monitor_audio(edid);
-		}
-
-		psb_intel_output->base.display_info.raw_edid = NULL;
-		kfree(edid);
-	}
-	return status;
-}
-
-static int cdv_hdmi_set_property(struct drm_connector *connector,
-				       struct drm_property *property,
-				       uint64_t value)
-{
-	struct drm_encoder *encoder = connector->encoder;
-
-	if (!strcmp(property->name, "scaling mode") && encoder) {
-		struct psb_intel_crtc *crtc = to_psb_intel_crtc(encoder->crtc);
-		bool centre;
-		uint64_t curValue;
-
-		if (!crtc)
-			return -1;
-
-		switch (value) {
-		case DRM_MODE_SCALE_FULLSCREEN:
-			break;
-		case DRM_MODE_SCALE_NO_SCALE:
-			break;
-		case DRM_MODE_SCALE_ASPECT:
-			break;
-		default:
-			return -1;
-		}
-
-		if (drm_connector_property_get_value(connector,
-							property, &curValue))
-			return -1;
-
-		if (curValue == value)
-			return 0;
-
-		if (drm_connector_property_set_value(connector,
-							property, value))
-			return -1;
-
-		centre = (curValue == DRM_MODE_SCALE_NO_SCALE) ||
-			(value == DRM_MODE_SCALE_NO_SCALE);
-
-		if (crtc->saved_mode.hdisplay != 0 &&
-		    crtc->saved_mode.vdisplay != 0) {
-			if (centre) {
-				if (!drm_crtc_helper_set_mode(encoder->crtc, &crtc->saved_mode,
-					    encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb))
-					return -1;
-			} else {
-				struct drm_encoder_helper_funcs *helpers
-						    = encoder->helper_private;
-				helpers->mode_set(encoder, &crtc->saved_mode,
-					     &crtc->saved_adjusted_mode);
-			}
-		}
-	}
-	return 0;
-}
-
-/*
- * Return the list of HDMI DDC modes if available.
- */
-static int cdv_hdmi_get_modes(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct edid *edid = NULL;
-	int ret = 0;
-
-	edid = drm_get_edid(&psb_intel_output->base,
-			 psb_intel_output->hdmi_i2c_adapter);
-	if (edid) {
-		drm_mode_connector_update_edid_property(&psb_intel_output->
-							base, edid);
-		ret = drm_add_edid_modes(&psb_intel_output->base, edid);
-		kfree(edid);
-	}
-	return ret;
-}
-
-static int cdv_hdmi_mode_valid(struct drm_connector *connector,
-				 struct drm_display_mode *mode)
-{
-
-	if (mode->clock > 165000)
-		return MODE_CLOCK_HIGH;
-	if (mode->clock < 20000)
-		return MODE_CLOCK_HIGH;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return MODE_NO_INTERLACE;
-
-	/*
-	 * FIXME: for now we limit the size to 1680x1050 on CDV, otherwise it
-	 * will go beyond the stolen memory size allocated to the framebuffer
-	 */
-	if (mode->hdisplay > 1680)
-		return MODE_PANEL;
-	if (mode->vdisplay > 1050)
-		return MODE_PANEL;
-	return MODE_OK;
-}
-
-static void cdv_hdmi_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
-static const struct drm_encoder_helper_funcs cdv_hdmi_helper_funcs = {
-	.dpms = cdv_hdmi_dpms,
-	.mode_fixup = cdv_hdmi_mode_fixup,
-	.prepare = psb_intel_encoder_prepare,
-	.mode_set = cdv_hdmi_mode_set,
-	.commit = psb_intel_encoder_commit,
-};
-
-static const struct drm_connector_helper_funcs
-					cdv_hdmi_connector_helper_funcs = {
-	.get_modes = cdv_hdmi_get_modes,
-	.mode_valid = cdv_hdmi_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-static const struct drm_connector_funcs cdv_hdmi_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.save = cdv_hdmi_save,
-	.restore = cdv_hdmi_restore,
-	.detect = cdv_hdmi_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = cdv_hdmi_set_property,
-	.destroy = cdv_hdmi_destroy,
-};
-
-void cdv_hdmi_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev, int reg)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-	struct mid_intel_hdmi_priv *hdmi_priv;
-	int ddc_bus;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output) +
-			       sizeof(struct mid_intel_hdmi_priv), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	hdmi_priv = (struct mid_intel_hdmi_priv *)(psb_intel_output + 1);
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &cdv_hdmi_connector_funcs,
-			   DRM_MODE_CONNECTOR_DVID);
-
-	drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_lvds_enc_funcs,
-			 DRM_MODE_ENCODER_TMDS);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	psb_intel_output->type = INTEL_OUTPUT_HDMI;
-	hdmi_priv->hdmi_reg = reg;
-	hdmi_priv->has_hdmi_sink = false;
-	psb_intel_output->dev_priv = hdmi_priv;
-
-	drm_encoder_helper_add(encoder, &cdv_hdmi_helper_funcs);
-	drm_connector_helper_add(connector,
-				 &cdv_hdmi_connector_helper_funcs);
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-
-	drm_connector_attach_property(connector,
-	    dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN);
-
-	switch (reg) {
-	case SDVOB:
-		ddc_bus = GPIOE;
-		break;
-	case SDVOC:
-		ddc_bus = GPIOD;
-		break;
-	default:
-		DRM_ERROR("unknown reg 0x%x for HDMI\n", reg);
-		goto failed_ddc;
-		break;
-	}
-
-	psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-				ddc_bus, (reg == SDVOB) ? "HDMIB" : "HDMIC");
-
-	if (!psb_intel_output->ddc_bus) {
-		dev_err(dev->dev, "No ddc adapter available!\n");
-		goto failed_ddc;
-	}
-	psb_intel_output->hdmi_i2c_adapter =
-				&(psb_intel_output->ddc_bus->adapter);
-	hdmi_priv->dev = dev;
-	drm_sysfs_connector_add(connector);
-	return;
-
-failed_ddc:
-	drm_encoder_cleanup(&psb_intel_output->enc);
-	drm_connector_cleanup(&psb_intel_output->base);
-	kfree(psb_intel_output);
-}
diff --git a/drivers/staging/gma500/cdv_intel_lvds.c b/drivers/staging/gma500/cdv_intel_lvds.c
deleted file mode 100644
index 988b2d0acf43..000000000000
--- a/drivers/staging/gma500/cdv_intel_lvds.c
+++ /dev/null
@@ -1,721 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- *	Dave Airlie <airlied@linux.ie>
- *	Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <linux/dmi.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-#include "cdv_device.h"
-
-/**
- * LVDS I2C backlight control macros
- */
-#define BRIGHTNESS_MAX_LEVEL 100
-#define BRIGHTNESS_MASK 0xFF
-#define BLC_I2C_TYPE	0x01
-#define BLC_PWM_TYPT	0x02
-
-#define BLC_POLARITY_NORMAL 0
-#define BLC_POLARITY_INVERSE 1
-
-#define PSB_BLC_MAX_PWM_REG_FREQ       (0xFFFE)
-#define PSB_BLC_MIN_PWM_REG_FREQ	(0x2)
-#define PSB_BLC_PWM_PRECISION_FACTOR	(10)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT	(16)
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-
-struct cdv_intel_lvds_priv {
-	/**
-	 * Saved LVDO output states
-	 */
-	uint32_t savePP_ON;
-	uint32_t savePP_OFF;
-	uint32_t saveLVDS;
-	uint32_t savePP_CONTROL;
-	uint32_t savePP_CYCLE;
-	uint32_t savePFIT_CONTROL;
-	uint32_t savePFIT_PGM_RATIOS;
-	uint32_t saveBLC_PWM_CTL;
-};
-
-/*
- * Returns the maximum level of the backlight duty cycle field.
- */
-static u32 cdv_intel_lvds_get_max_backlight(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 retval;
-
-	if (gma_power_begin(dev, false)) {
-		retval = ((REG_READ(BLC_PWM_CTL) &
-			  BACKLIGHT_MODULATION_FREQ_MASK) >>
-			  BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-		gma_power_end(dev);
-	} else
-		retval = ((dev_priv->saveBLC_PWM_CTL &
-			  BACKLIGHT_MODULATION_FREQ_MASK) >>
-			  BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-	return retval;
-}
-
-/*
- * Set LVDS backlight level by I2C command
- */
-static int cdv_lvds_i2c_set_brightness(struct drm_device *dev,
-					unsigned int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
-	u8 out_buf[2];
-	unsigned int blc_i2c_brightness;
-
-	struct i2c_msg msgs[] = {
-		{
-			.addr = lvds_i2c_bus->slave_addr,
-			.flags = 0,
-			.len = 2,
-			.buf = out_buf,
-		}
-	};
-
-	blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
-			     BRIGHTNESS_MASK /
-			     BRIGHTNESS_MAX_LEVEL);
-
-	if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-		blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
-
-	out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
-	out_buf[1] = (u8)blc_i2c_brightness;
-
-	if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1)
-		return 0;
-
-	DRM_ERROR("I2C transfer error\n");
-	return -1;
-}
-
-
-static int cdv_lvds_pwm_set_brightness(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	u32 max_pwm_blc;
-	u32 blc_pwm_duty_cycle;
-
-	max_pwm_blc = cdv_intel_lvds_get_max_backlight(dev);
-
-	/*BLC_PWM_CTL Should be initiated while backlight device init*/
-	BUG_ON((max_pwm_blc & PSB_BLC_MAX_PWM_REG_FREQ) == 0);
-
-	blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
-
-	if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-		blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
-
-	blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
-	REG_WRITE(BLC_PWM_CTL,
-		  (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
-		  (blc_pwm_duty_cycle));
-
-	return 0;
-}
-
-/*
- * Set LVDS backlight level either by I2C or PWM
- */
-void cdv_intel_lvds_set_brightness(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!dev_priv->lvds_bl) {
-		DRM_ERROR("NO LVDS Backlight Info\n");
-		return;
-	}
-
-	if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
-		cdv_lvds_i2c_set_brightness(dev, level);
-	else
-		cdv_lvds_pwm_set_brightness(dev, level);
-}
-
-/**
- * Sets the backlight level.
- *
- * level backlight level, from 0 to cdv_intel_lvds_get_max_backlight().
- */
-static void cdv_intel_lvds_set_backlight(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 blc_pwm_ctl;
-
-	if (gma_power_begin(dev, false)) {
-		blc_pwm_ctl =
-			REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
-		REG_WRITE(BLC_PWM_CTL,
-				(blc_pwm_ctl |
-				(level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
-		gma_power_end(dev);
-	} else {
-		blc_pwm_ctl = dev_priv->saveBLC_PWM_CTL &
-				~BACKLIGHT_DUTY_CYCLE_MASK;
-		dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl |
-					(level << BACKLIGHT_DUTY_CYCLE_SHIFT));
-	}
-}
-
-/**
- * Sets the power state for the panel.
- */
-static void cdv_intel_lvds_set_power(struct drm_device *dev,
-				 struct psb_intel_output *output, bool on)
-{
-	u32 pp_status;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	if (on) {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-			  POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-
-		cdv_intel_lvds_set_backlight(dev,
-					 output->
-					 mode_dev->backlight_duty_cycle);
-	} else {
-		cdv_intel_lvds_set_backlight(dev, 0);
-
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-			  ~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while (pp_status & PP_ON);
-	}
-	gma_power_end(dev);
-}
-
-static void cdv_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	if (mode == DRM_MODE_DPMS_ON)
-		cdv_intel_lvds_set_power(dev, output, true);
-	else
-		cdv_intel_lvds_set_power(dev, output, false);
-	/* XXX: We never power down the LVDS pairs. */
-}
-
-static void cdv_intel_lvds_save(struct drm_connector *connector)
-{
-}
-
-static void cdv_intel_lvds_restore(struct drm_connector *connector)
-{
-}
-
-int cdv_intel_lvds_mode_valid(struct drm_connector *connector,
-				 struct drm_display_mode *mode)
-{
-	struct psb_intel_output *psb_intel_output =
-				to_psb_intel_output(connector);
-	struct drm_display_mode *fixed_mode =
-	    psb_intel_output->mode_dev->panel_fixed_mode;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return MODE_NO_INTERLACE;
-
-	if (fixed_mode) {
-		if (mode->hdisplay > fixed_mode->hdisplay)
-			return MODE_PANEL;
-		if (mode->vdisplay > fixed_mode->vdisplay)
-			return MODE_PANEL;
-	}
-	return MODE_OK;
-}
-
-bool cdv_intel_lvds_mode_fixup(struct drm_encoder *encoder,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	struct psb_intel_mode_device *mode_dev =
-	    enc_to_psb_intel_output(encoder)->mode_dev;
-	struct drm_device *dev = encoder->dev;
-	struct drm_encoder *tmp_encoder;
-	struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode;
-
-	/* Should never happen!! */
-	list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list,
-			    head) {
-		if (tmp_encoder != encoder
-		    && tmp_encoder->crtc == encoder->crtc) {
-			printk(KERN_ERR "Can't enable LVDS and another "
-			       "encoder on the same pipe\n");
-			return false;
-		}
-	}
-
-	/*
-	 * If we have timings from the BIOS for the panel, put them in
-	 * to the adjusted mode.  The CRTC will be set up for this mode,
-	 * with the panel scaling set up to source from the H/VDisplay
-	 * of the original mode.
-	 */
-	if (panel_fixed_mode != NULL) {
-		adjusted_mode->hdisplay = panel_fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = panel_fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = panel_fixed_mode->hsync_end;
-		adjusted_mode->htotal = panel_fixed_mode->htotal;
-		adjusted_mode->vdisplay = panel_fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = panel_fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = panel_fixed_mode->vsync_end;
-		adjusted_mode->vtotal = panel_fixed_mode->vtotal;
-		adjusted_mode->clock = panel_fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode,
-				      CRTC_INTERLACE_HALVE_V);
-	}
-
-	/*
-	 * XXX: It would be nice to support lower refresh rates on the
-	 * panels to reduce power consumption, and perhaps match the
-	 * user's requested refresh rate.
-	 */
-
-	return true;
-}
-
-static void cdv_intel_lvds_prepare(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-	mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
-					  BACKLIGHT_DUTY_CYCLE_MASK);
-
-	cdv_intel_lvds_set_power(dev, output, false);
-
-	gma_power_end(dev);
-}
-
-static void cdv_intel_lvds_commit(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (mode_dev->backlight_duty_cycle == 0)
-		mode_dev->backlight_duty_cycle =
-		    cdv_intel_lvds_get_max_backlight(dev);
-
-	cdv_intel_lvds_set_power(dev, output, true);
-}
-
-static void cdv_intel_lvds_mode_set(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pfit_control;
-
-	/*
-	 * The LVDS pin pair will already have been turned on in the
-	 * cdv_intel_crtc_mode_set since it has a large impact on the DPLL
-	 * settings.
-	 */
-
-	/*
-	 * Enable automatic panel scaling so that non-native modes fill the
-	 * screen.  Should be enabled before the pipe is enabled, according to
-	 * register description and PRM.
-	 */
-	if (mode->hdisplay != adjusted_mode->hdisplay ||
-	    mode->vdisplay != adjusted_mode->vdisplay)
-		pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE |
-				HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
-				HORIZ_INTERP_BILINEAR);
-	else
-		pfit_control = 0;
-
-	if (dev_priv->lvds_dither)
-		pfit_control |= PANEL_8TO6_DITHER_ENABLE;
-
-	REG_WRITE(PFIT_CONTROL, pfit_control);
-}
-
-/**
- * Detect the LVDS connection.
- *
- * This always returns CONNECTOR_STATUS_CONNECTED.
- * This connector should only have
- * been set up if the LVDS was actually connected anyway.
- */
-static enum drm_connector_status cdv_intel_lvds_detect(
-				struct drm_connector *connector, bool force)
-{
-	return connector_status_connected;
-}
-
-/**
- * Return the list of DDC modes if available, or the BIOS fixed mode otherwise.
- */
-static int cdv_intel_lvds_get_modes(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_mode_device *mode_dev =
-					psb_intel_output->mode_dev;
-	int ret;
-
-	ret = psb_intel_ddc_get_modes(psb_intel_output);
-
-	if (ret)
-		return ret;
-
-	/* Didn't get an EDID, so
-	 * Set wide sync ranges so we get all modes
-	 * handed to valid_mode for checking
-	 */
-	connector->display_info.min_vfreq = 0;
-	connector->display_info.max_vfreq = 200;
-	connector->display_info.min_hfreq = 0;
-	connector->display_info.max_hfreq = 200;
-	if (mode_dev->panel_fixed_mode != NULL) {
-		struct drm_display_mode *mode =
-		    drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
-		drm_mode_probed_add(connector, mode);
-		return 1;
-	}
-
-	return 0;
-}
-
-/**
- * cdv_intel_lvds_destroy - unregister and free LVDS structures
- * @connector: connector to free
- *
- * Unregister the DDC bus for this connector then free the driver private
- * structure.
- */
-void cdv_intel_lvds_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
-int cdv_intel_lvds_set_property(struct drm_connector *connector,
-				       struct drm_property *property,
-				       uint64_t value)
-{
-	struct drm_encoder *encoder = connector->encoder;
-
-	if (!strcmp(property->name, "scaling mode") && encoder) {
-		struct psb_intel_crtc *crtc =
-					to_psb_intel_crtc(encoder->crtc);
-		uint64_t curValue;
-
-		if (!crtc)
-			return -1;
-
-		switch (value) {
-		case DRM_MODE_SCALE_FULLSCREEN:
-			break;
-		case DRM_MODE_SCALE_NO_SCALE:
-			break;
-		case DRM_MODE_SCALE_ASPECT:
-			break;
-		default:
-			return -1;
-		}
-
-		if (drm_connector_property_get_value(connector,
-						     property,
-						     &curValue))
-			return -1;
-
-		if (curValue == value)
-			return 0;
-
-		if (drm_connector_property_set_value(connector,
-							property,
-							value))
-			return -1;
-
-		if (crtc->saved_mode.hdisplay != 0 &&
-		    crtc->saved_mode.vdisplay != 0) {
-			if (!drm_crtc_helper_set_mode(encoder->crtc,
-						      &crtc->saved_mode,
-						      encoder->crtc->x,
-						      encoder->crtc->y,
-						      encoder->crtc->fb))
-				return -1;
-		}
-	} else if (!strcmp(property->name, "backlight") && encoder) {
-		if (drm_connector_property_set_value(connector,
-							property,
-							value))
-			return -1;
-		else {
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-			struct drm_psb_private *dev_priv =
-						encoder->dev->dev_private;
-			struct backlight_device *bd =
-						dev_priv->backlight_device;
-			bd->props.brightness = value;
-			backlight_update_status(bd);
-#endif
-		}
-	} else if (!strcmp(property->name, "DPMS") && encoder) {
-		struct drm_encoder_helper_funcs *helpers =
-					encoder->helper_private;
-		helpers->dpms(encoder, value);
-	}
-	return 0;
-}
-
-static const struct drm_encoder_helper_funcs
-					cdv_intel_lvds_helper_funcs = {
-	.dpms = cdv_intel_lvds_encoder_dpms,
-	.mode_fixup = cdv_intel_lvds_mode_fixup,
-	.prepare = cdv_intel_lvds_prepare,
-	.mode_set = cdv_intel_lvds_mode_set,
-	.commit = cdv_intel_lvds_commit,
-};
-
-static const struct drm_connector_helper_funcs
-				cdv_intel_lvds_connector_helper_funcs = {
-	.get_modes = cdv_intel_lvds_get_modes,
-	.mode_valid = cdv_intel_lvds_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-static const struct drm_connector_funcs cdv_intel_lvds_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.save = cdv_intel_lvds_save,
-	.restore = cdv_intel_lvds_restore,
-	.detect = cdv_intel_lvds_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = cdv_intel_lvds_set_property,
-	.destroy = cdv_intel_lvds_destroy,
-};
-
-
-static void cdv_intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-const struct drm_encoder_funcs cdv_intel_lvds_enc_funcs = {
-	.destroy = cdv_intel_lvds_enc_destroy,
-};
-
-/**
- * cdv_intel_lvds_init - setup LVDS connectors on this device
- * @dev: drm device
- *
- * Create the connector, register the LVDS DDC bus, and try to figure out what
- * modes we can display on the LVDS panel (if present).
- */
-void cdv_intel_lvds_init(struct drm_device *dev,
-		     struct psb_intel_mode_device *mode_dev)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct cdv_intel_lvds_priv *lvds_priv;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-	struct drm_display_mode *scan;
-	struct drm_crtc *crtc;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 lvds;
-	int pipe;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output) +
-			sizeof(struct cdv_intel_lvds_priv), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	lvds_priv = (struct cdv_intel_lvds_priv *)(psb_intel_output + 1);
-
-	psb_intel_output->dev_priv = lvds_priv;
-
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-
-
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &cdv_intel_lvds_connector_funcs,
-			   DRM_MODE_CONNECTOR_LVDS);
-
-	drm_encoder_init(dev, &psb_intel_output->enc,
-			 &cdv_intel_lvds_enc_funcs,
-			 DRM_MODE_ENCODER_LVDS);
-
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	psb_intel_output->type = INTEL_OUTPUT_LVDS;
-
-	drm_encoder_helper_add(encoder, &cdv_intel_lvds_helper_funcs);
-	drm_connector_helper_add(connector,
-				 &cdv_intel_lvds_connector_helper_funcs);
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-
-	/*Attach connector properties*/
-	drm_connector_attach_property(connector,
-				      dev->mode_config.scaling_mode_property,
-				      DRM_MODE_SCALE_FULLSCREEN);
-	drm_connector_attach_property(connector,
-				      dev_priv->backlight_property,
-				      BRIGHTNESS_MAX_LEVEL);
-
-	/**
-	 * Set up I2C bus
-	 * FIXME: distroy i2c_bus when exit
-	 */
-	psb_intel_output->i2c_bus = psb_intel_i2c_create(dev,
-							 GPIOB,
-							 "LVDSBLC_B");
-	if (!psb_intel_output->i2c_bus) {
-		dev_printk(KERN_ERR,
-			&dev->pdev->dev, "I2C bus registration failed.\n");
-		goto failed_blc_i2c;
-	}
-	psb_intel_output->i2c_bus->slave_addr = 0x2C;
-	dev_priv->lvds_i2c_bus =  psb_intel_output->i2c_bus;
-
-	/*
-	 * LVDS discovery:
-	 * 1) check for EDID on DDC
-	 * 2) check for VBT data
-	 * 3) check to see if LVDS is already on
-	 *    if none of the above, no panel
-	 * 4) make sure lid is open
-	 *    if closed, act like it's not there for now
-	 */
-
-	/* Set up the DDC bus. */
-	psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-							 GPIOC,
-							 "LVDSDDC_C");
-	if (!psb_intel_output->ddc_bus) {
-		dev_printk(KERN_ERR, &dev->pdev->dev,
-			   "DDC bus registration " "failed.\n");
-		goto failed_ddc;
-	}
-
-	/*
-	 * Attempt to get the fixed panel mode from DDC.  Assume that the
-	 * preferred mode is the right one.
-	 */
-	psb_intel_ddc_get_modes(psb_intel_output);
-	list_for_each_entry(scan, &connector->probed_modes, head) {
-		if (scan->type & DRM_MODE_TYPE_PREFERRED) {
-			mode_dev->panel_fixed_mode =
-			    drm_mode_duplicate(dev, scan);
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-
-	/* Failed to get EDID, what about VBT? do we need this?*/
-	if (dev_priv->lfp_lvds_vbt_mode) {
-		mode_dev->panel_fixed_mode =
-			drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
-		if (mode_dev->panel_fixed_mode) {
-			mode_dev->panel_fixed_mode->type |=
-				DRM_MODE_TYPE_PREFERRED;
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-	/*
-	 * If we didn't get EDID, try checking if the panel is already turned
-	 * on.	If so, assume that whatever is currently programmed is the
-	 * correct mode.
-	 */
-	lvds = REG_READ(LVDS);
-	pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
-	crtc = psb_intel_get_crtc_from_pipe(dev, pipe);
-
-	if (crtc && (lvds & LVDS_PORT_EN)) {
-		mode_dev->panel_fixed_mode =
-		    cdv_intel_crtc_mode_get(dev, crtc);
-		if (mode_dev->panel_fixed_mode) {
-			mode_dev->panel_fixed_mode->type |=
-			    DRM_MODE_TYPE_PREFERRED;
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-
-	/* If we still don't have a mode after all that, give up. */
-	if (!mode_dev->panel_fixed_mode) {
-		DRM_DEBUG
-			("Found no modes on the lvds, ignoring the LVDS\n");
-		goto failed_find;
-	}
-
-out:
-	drm_sysfs_connector_add(connector);
-	return;
-
-failed_find:
-	printk(KERN_ERR "Failed find\n");
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-failed_ddc:
-	printk(KERN_ERR "Failed DDC\n");
-	if (psb_intel_output->i2c_bus)
-		psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-failed_blc_i2c:
-	printk(KERN_ERR "Failed BLC\n");
-	drm_encoder_cleanup(encoder);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
diff --git a/drivers/staging/gma500/displays/hdmi.h b/drivers/staging/gma500/displays/hdmi.h
deleted file mode 100644
index d58ba9bd010f..000000000000
--- a/drivers/staging/gma500/displays/hdmi.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef HDMI_H
-#define HDMI_H
-
-extern void hdmi_init(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/pyr_cmd.h b/drivers/staging/gma500/displays/pyr_cmd.h
deleted file mode 100644
index 84bae5c8c552..000000000000
--- a/drivers/staging/gma500/displays/pyr_cmd.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef PYR_CMD_H
-#define PYR_CMD_H
-
-extern void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-
-#endif
-
diff --git a/drivers/staging/gma500/displays/pyr_vid.h b/drivers/staging/gma500/displays/pyr_vid.h
deleted file mode 100644
index ce98860fa68a..000000000000
--- a/drivers/staging/gma500/displays/pyr_vid.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef PYR_VID_H
-#define PYR_VID_H
-
-extern void pyr_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-extern struct drm_display_mode *pyr_vid_get_config_mode(struct drm_device* dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/tmd_cmd.h b/drivers/staging/gma500/displays/tmd_cmd.h
deleted file mode 100644
index 641e85eedece..000000000000
--- a/drivers/staging/gma500/displays/tmd_cmd.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef TMD_CMD_H
-#define TMD_CMD_H
-
-extern void tmd_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-extern struct drm_display_mode *tmd_cmd_get_config_mode(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/tmd_vid.h b/drivers/staging/gma500/displays/tmd_vid.h
deleted file mode 100644
index 7a5fa3b935e3..000000000000
--- a/drivers/staging/gma500/displays/tmd_vid.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef TMD_VID_H
-#define TMD_VID_H
-
-extern void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-extern struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/tpo_cmd.h b/drivers/staging/gma500/displays/tpo_cmd.h
deleted file mode 100644
index 610552730d71..000000000000
--- a/drivers/staging/gma500/displays/tpo_cmd.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef TPO_CMD_H
-#define TPO_CMD_H
-
-extern void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-/* extern struct drm_display_mode * */
-/* tpo_cmd_get_config_mode(struct drm_device *dev); */
-
-#endif
diff --git a/drivers/staging/gma500/displays/tpo_vid.h b/drivers/staging/gma500/displays/tpo_vid.h
deleted file mode 100644
index c24f05722de1..000000000000
--- a/drivers/staging/gma500/displays/tpo_vid.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef TPO_VID_H
-#define TPO_VID_H
-
-extern void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-
-#endif
diff --git a/drivers/staging/gma500/framebuffer.c b/drivers/staging/gma500/framebuffer.c
deleted file mode 100644
index b00761cba144..000000000000
--- a/drivers/staging/gma500/framebuffer.c
+++ /dev/null
@@ -1,856 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/console.h>
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_fb_helper.h>
-
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_drv.h"
-#include "framebuffer.h"
-#include "gtt.h"
-
-#include "mdfld_output.h"
-
-static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb);
-static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
-					      struct drm_file *file_priv,
-					      unsigned int *handle);
-
-static const struct drm_framebuffer_funcs psb_fb_funcs = {
-	.destroy = psb_user_framebuffer_destroy,
-	.create_handle = psb_user_framebuffer_create_handle,
-};
-
-#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)
-
-static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green,
-			   unsigned blue, unsigned transp,
-			   struct fb_info *info)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
-	uint32_t v;
-
-	if (!fb)
-		return -ENOMEM;
-
-	if (regno > 255)
-		return 1;
-
-	red = CMAP_TOHW(red, info->var.red.length);
-	blue = CMAP_TOHW(blue, info->var.blue.length);
-	green = CMAP_TOHW(green, info->var.green.length);
-	transp = CMAP_TOHW(transp, info->var.transp.length);
-
-	v = (red << info->var.red.offset) |
-	    (green << info->var.green.offset) |
-	    (blue << info->var.blue.offset) |
-	    (transp << info->var.transp.offset);
-
-	if (regno < 16) {
-		switch (fb->bits_per_pixel) {
-		case 16:
-			((uint32_t *) info->pseudo_palette)[regno] = v;
-			break;
-		case 24:
-		case 32:
-			((uint32_t *) info->pseudo_palette)[regno] = v;
-			break;
-		}
-	}
-
-	return 0;
-}
-
-static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-	struct drm_device *dev = psbfb->base.dev;
-
-	/*
-	 *	We have to poke our nose in here. The core fb code assumes
-	 *	panning is part of the hardware that can be invoked before
-	 *	the actual fb is mapped. In our case that isn't quite true.
-	 */
-	if (psbfb->gtt->npage)
-        	psb_gtt_roll(dev, psbfb->gtt, var->yoffset);
-	return 0;
-}
-
-void psbfb_suspend(struct drm_device *dev)
-{
-	struct drm_framebuffer *fb = 0;
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
-
-	console_lock();
-	mutex_lock(&dev->mode_config.mutex);
-	list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
-		struct fb_info *info = psbfb->fbdev;
-		fb_set_suspend(info, 1);
-		drm_fb_helper_blank(FB_BLANK_POWERDOWN, info);
-	}
-	mutex_unlock(&dev->mode_config.mutex);
-	console_unlock();
-}
-
-void psbfb_resume(struct drm_device *dev)
-{
-	struct drm_framebuffer *fb = 0;
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
-
-	console_lock();
-	mutex_lock(&dev->mode_config.mutex);
-	list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
-		struct fb_info *info = psbfb->fbdev;
-		fb_set_suspend(info, 0);
-		drm_fb_helper_blank(FB_BLANK_UNBLANK, info);
-	}
-	mutex_unlock(&dev->mode_config.mutex);
-	console_unlock();
-	drm_helper_disable_unused_functions(dev);
-}
-
-static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	struct psb_framebuffer *psbfb = vma->vm_private_data;
-	struct drm_device *dev = psbfb->base.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int page_num;
-	int i;
-	unsigned long address;
-	int ret;
-	unsigned long pfn;
-	/* FIXME: assumes fb at stolen base which may not be true */
-	unsigned long phys_addr = (unsigned long)dev_priv->stolen_base;
-
-	page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
-	address = (unsigned long)vmf->virtual_address;
-
-	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-
-	for (i = 0; i < page_num; i++) {
-		pfn = (phys_addr >> PAGE_SHIFT);
-
-		ret = vm_insert_mixed(vma, address, pfn);
-		if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0)))
-			break;
-		else if (unlikely(ret != 0)) {
-			ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
-			return ret;
-		}
-		address += PAGE_SIZE;
-		phys_addr += PAGE_SIZE;
-	}
-	return VM_FAULT_NOPAGE;
-}
-
-static void psbfb_vm_open(struct vm_area_struct *vma)
-{
-}
-
-static void psbfb_vm_close(struct vm_area_struct *vma)
-{
-}
-
-static struct vm_operations_struct psbfb_vm_ops = {
-	.fault	= psbfb_vm_fault,
-	.open	= psbfb_vm_open,
-	.close	= psbfb_vm_close
-};
-
-static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-
-	if (vma->vm_pgoff != 0)
-		return -EINVAL;
-	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
-		return -EINVAL;
-
-	if (!psbfb->addr_space)
-		psbfb->addr_space = vma->vm_file->f_mapping;
-	/*
-	 * If this is a GEM object then info->screen_base is the virtual
-	 * kernel remapping of the object. FIXME: Review if this is
-	 * suitable for our mmap work
-	 */
-	vma->vm_ops = &psbfb_vm_ops;
-	vma->vm_private_data = (void *)psbfb;
-	vma->vm_flags |= VM_RESERVED | VM_IO |
-					VM_MIXEDMAP | VM_DONTEXPAND;
-	return 0;
-}
-
-static int psbfb_ioctl(struct fb_info *info, unsigned int cmd,
-						unsigned long arg)
-{
-	return -ENOTTY;
-}
-
-static struct fb_ops psbfb_ops = {
-	.owner = THIS_MODULE,
-	.fb_check_var = drm_fb_helper_check_var,
-	.fb_set_par = drm_fb_helper_set_par,
-	.fb_blank = drm_fb_helper_blank,
-	.fb_setcolreg = psbfb_setcolreg,
-	.fb_fillrect = cfb_fillrect,
-	.fb_copyarea = psbfb_copyarea,
-	.fb_imageblit = cfb_imageblit,
-	.fb_mmap = psbfb_mmap,
-	.fb_sync = psbfb_sync,
-	.fb_ioctl = psbfb_ioctl,
-};
-
-static struct fb_ops psbfb_roll_ops = {
-	.owner = THIS_MODULE,
-	.fb_check_var = drm_fb_helper_check_var,
-	.fb_set_par = drm_fb_helper_set_par,
-	.fb_blank = drm_fb_helper_blank,
-	.fb_setcolreg = psbfb_setcolreg,
-	.fb_fillrect = cfb_fillrect,
-	.fb_copyarea = cfb_copyarea,
-	.fb_imageblit = cfb_imageblit,
-	.fb_pan_display = psbfb_pan,
-	.fb_mmap = psbfb_mmap,
-	.fb_sync = psbfb_sync,
-	.fb_ioctl = psbfb_ioctl,
-};
-
-static struct fb_ops psbfb_unaccel_ops = {
-	.owner = THIS_MODULE,
-	.fb_check_var = drm_fb_helper_check_var,
-	.fb_set_par = drm_fb_helper_set_par,
-	.fb_blank = drm_fb_helper_blank,
-	.fb_setcolreg = psbfb_setcolreg,
-	.fb_fillrect = cfb_fillrect,
-	.fb_copyarea = cfb_copyarea,
-	.fb_imageblit = cfb_imageblit,
-	.fb_mmap = psbfb_mmap,
-	.fb_ioctl = psbfb_ioctl,
-};
-
-/**
- *	psb_framebuffer_init	-	initialize a framebuffer
- *	@dev: our DRM device
- *	@fb: framebuffer to set up
- *	@mode_cmd: mode description
- *	@gt: backing object
- *
- *	Configure and fill in the boilerplate for our frame buffer. Return
- *	0 on success or an error code if we fail.
- */
-static int psb_framebuffer_init(struct drm_device *dev,
-					struct psb_framebuffer *fb,
-					struct drm_mode_fb_cmd2 *mode_cmd,
-					struct gtt_range *gt)
-{
-	u32 bpp, depth;
-	int ret;
-
-	drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
-
-	if (mode_cmd->pitches[0] & 63)
-		return -EINVAL;
-	switch (bpp) {
-	case 8:
-	case 16:
-	case 24:
-	case 32:
-		break;
-	default:
-		return -EINVAL;
-	}
-	ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs);
-	if (ret) {
-		dev_err(dev->dev, "framebuffer init failed: %d\n", ret);
-		return ret;
-	}
-	drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
-	fb->gtt = gt;
-	return 0;
-}
-
-/**
- *	psb_framebuffer_create	-	create a framebuffer backed by gt
- *	@dev: our DRM device
- *	@mode_cmd: the description of the requested mode
- *	@gt: the backing object
- *
- *	Create a framebuffer object backed by the gt, and fill in the
- *	boilerplate required
- *
- *	TODO: review object references
- */
-
-static struct drm_framebuffer *psb_framebuffer_create
-			(struct drm_device *dev,
-			 struct drm_mode_fb_cmd2 *mode_cmd,
-			 struct gtt_range *gt)
-{
-	struct psb_framebuffer *fb;
-	int ret;
-
-	fb = kzalloc(sizeof(*fb), GFP_KERNEL);
-	if (!fb)
-		return ERR_PTR(-ENOMEM);
-
-	ret = psb_framebuffer_init(dev, fb, mode_cmd, gt);
-	if (ret) {
-		kfree(fb);
-		return ERR_PTR(ret);
-	}
-	return &fb->base;
-}
-
-/**
- *	psbfb_alloc		-	allocate frame buffer memory
- *	@dev: the DRM device
- *	@aligned_size: space needed
- *	@force: fall back to GEM buffers if need be
- *
- *	Allocate the frame buffer. In the usual case we get a GTT range that
- *	is stolen memory backed and life is simple. If there isn't sufficient
- *	stolen memory or the system has no stolen memory we allocate a range
- *	and back it with a GEM object.
- *
- *	In this case the GEM object has no handle.
- */
-static struct gtt_range *psbfb_alloc(struct drm_device *dev,
-						int aligned_size, int force)
-{
-	struct gtt_range *backing;
-	/* Begin by trying to use stolen memory backing */
-	backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1);
-	if (backing) {
-		if (drm_gem_private_object_init(dev,
-					&backing->gem, aligned_size) == 0)
-			return backing;
-		psb_gtt_free_range(dev, backing);
-	}
-	if (!force)
-		return NULL;
-
-	/* Next try using GEM host memory */
-	backing = psb_gtt_alloc_range(dev, aligned_size, "fb(gem)", 0);
-	if (backing == NULL)
-		return NULL;
-
-	/* Now back it with an object */
-	if (drm_gem_object_init(dev, &backing->gem, aligned_size) != 0) {
-		psb_gtt_free_range(dev, backing);
-		return NULL;
-	}
-	return backing;
-}
-
-/**
- *	psbfb_create		-	create a framebuffer
- *	@fbdev: the framebuffer device
- *	@sizes: specification of the layout
- *
- *	Create a framebuffer to the specifications provided
- */
-static int psbfb_create(struct psb_fbdev *fbdev,
-				struct drm_fb_helper_surface_size *sizes)
-{
-	struct drm_device *dev = fbdev->psb_fb_helper.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct fb_info *info;
-	struct drm_framebuffer *fb;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-	struct drm_mode_fb_cmd2 mode_cmd;
-	struct device *device = &dev->pdev->dev;
-	int size;
-	int ret;
-	struct gtt_range *backing;
-	int gtt_roll = 1;
-	u32 bpp, depth;
-
-	mode_cmd.width = sizes->surface_width;
-	mode_cmd.height = sizes->surface_height;
-	bpp = sizes->surface_bpp;
-
-	/* No 24bit packed */
-	if (bpp == 24)
-		bpp = 32;
-
-	/* Acceleration via the GTT requires pitch to be 4096 byte aligned 
-	   (ie 1024 or 2048 pixels in normal use) */
-	mode_cmd.pitches[0] =  ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096);
-	depth = sizes->surface_depth;
-
-	size = mode_cmd.pitches[0] * mode_cmd.height;
-	size = ALIGN(size, PAGE_SIZE);
-
-	/* Allocate the framebuffer in the GTT with stolen page backing */
-	backing = psbfb_alloc(dev, size, 0);
-	if (backing == NULL) {
-		/*
-		 *	We couldn't get the space we wanted, fall back to the
-		 *	display engine requirement instead.  The HW requires
-		 *	the pitch to be 64 byte aligned
-		 */
-
-		gtt_roll = 0;	/* Don't use GTT accelerated scrolling */
-
-		mode_cmd.pitches[0] =  ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64);
-		depth = sizes->surface_depth;
-
-		size = mode_cmd.pitches[0] * mode_cmd.height;
-		size = ALIGN(size, PAGE_SIZE);
-
-		/* Allocate the framebuffer in the GTT with stolen page
-		   backing when there is room */
-		backing = psbfb_alloc(dev, size, 1);
-		if (backing == NULL)
-			return -ENOMEM;
-	}
-
-	mutex_lock(&dev->struct_mutex);
-
-	info = framebuffer_alloc(0, device);
-	if (!info) {
-		ret = -ENOMEM;
-		goto out_err1;
-	}
-	info->par = fbdev;
-
-	mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
-
-	ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
-	if (ret)
-		goto out_unref;
-
-	fb = &psbfb->base;
-	psbfb->fbdev = info;
-
-	fbdev->psb_fb_helper.fb = fb;
-	fbdev->psb_fb_helper.fbdev = info;
-
-	strcpy(info->fix.id, "psbfb");
-
-	info->flags = FBINFO_DEFAULT;
-	if (gtt_roll) {	/* GTT rolling seems best */
-		info->fbops = &psbfb_roll_ops;
-		info->flags |= FBINFO_HWACCEL_YPAN;
-        }
-	else if (dev_priv->ops->accel_2d)	/* 2D engine */
-		info->fbops = &psbfb_ops;
-	else	/* Software */
-		info->fbops = &psbfb_unaccel_ops;
-
-	ret = fb_alloc_cmap(&info->cmap, 256, 0);
-	if (ret) {
-		ret = -ENOMEM;
-		goto out_unref;
-	}
-
-	info->fix.smem_start = dev->mode_config.fb_base;
-	info->fix.smem_len = size;
-	info->fix.ywrapstep = gtt_roll;
-	info->fix.ypanstep = gtt_roll;
-
-	if (backing->stolen) {
-		/* Accessed stolen memory directly */
-		info->screen_base = (char *)dev_priv->vram_addr +
-							backing->offset;
-	} else {
-		/* Pin the pages into the GTT and create a mapping to them */
-		psb_gtt_pin(backing);
-		info->screen_base = vm_map_ram(backing->pages, backing->npage,
-				-1, PAGE_KERNEL);
-		if (info->screen_base == NULL) {
-			psb_gtt_unpin(backing);
-			ret = -ENOMEM;
-			goto out_unref;
-		}
-		psbfb->vm_map = 1;
-	}
-	info->screen_size = size;
-
-	if (dev_priv->gtt.stolen_size) {
-		info->apertures = alloc_apertures(1);
-		if (!info->apertures) {
-			ret = -ENOMEM;
-			goto out_unref;
-		}
-		info->apertures->ranges[0].base = dev->mode_config.fb_base;
-		info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
-	}
-
-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
-	drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
-				sizes->fb_width, sizes->fb_height);
-
-	info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
-	info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
-
-	info->pixmap.size = 64 * 1024;
-	info->pixmap.buf_align = 8;
-	info->pixmap.access_align = 32;
-	info->pixmap.flags = FB_PIXMAP_SYSTEM;
-	info->pixmap.scan_align = 1;
-
-	dev_info(dev->dev, "allocated %dx%d fb\n",
-					psbfb->base.width, psbfb->base.height);
-
-	mutex_unlock(&dev->struct_mutex);
-	return 0;
-out_unref:
-	if (backing->stolen)
-		psb_gtt_free_range(dev, backing);
-	else {
-		if (psbfb->vm_map)
-			vm_unmap_ram(info->screen_base, backing->npage);
-		drm_gem_object_unreference(&backing->gem);
-	}
-out_err1:
-	mutex_unlock(&dev->struct_mutex);
-	psb_gtt_free_range(dev, backing);
-	return ret;
-}
-
-/**
- *	psb_user_framebuffer_create	-	create framebuffer
- *	@dev: our DRM device
- *	@filp: client file
- *	@cmd: mode request
- *
- *	Create a new framebuffer backed by a userspace GEM object
- */
-static struct drm_framebuffer *psb_user_framebuffer_create
-			(struct drm_device *dev, struct drm_file *filp,
-			 struct drm_mode_fb_cmd2 *cmd)
-{
-	struct gtt_range *r;
-	struct drm_gem_object *obj;
-
-	/*
-	 *	Find the GEM object and thus the gtt range object that is
-	 *	to back this space
-	 */
-	obj = drm_gem_object_lookup(dev, filp, cmd->handles[0]);
-	if (obj == NULL)
-		return ERR_PTR(-ENOENT);
-
-	/* Let the core code do all the work */
-	r = container_of(obj, struct gtt_range, gem);
-	return psb_framebuffer_create(dev, cmd, r);
-}
-
-static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
-							u16 blue, int regno)
-{
-}
-
-static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red,
-					u16 *green, u16 *blue, int regno)
-{
-}
-
-static int psbfb_probe(struct drm_fb_helper *helper,
-				struct drm_fb_helper_surface_size *sizes)
-{
-	struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper;
-	int new_fb = 0;
-	int ret;
-
-	if (!helper->fb) {
-		ret = psbfb_create(psb_fbdev, sizes);
-		if (ret)
-			return ret;
-		new_fb = 1;
-	}
-	return new_fb;
-}
-
-struct drm_fb_helper_funcs psb_fb_helper_funcs = {
-	.gamma_set = psbfb_gamma_set,
-	.gamma_get = psbfb_gamma_get,
-	.fb_probe = psbfb_probe,
-};
-
-int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev)
-{
-	struct fb_info *info;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-
-	if (fbdev->psb_fb_helper.fbdev) {
-		info = fbdev->psb_fb_helper.fbdev;
-
-		/* If this is our base framebuffer then kill any virtual map
-		   for the framebuffer layer and unpin it */
-		if (psbfb->vm_map) {
-			vm_unmap_ram(info->screen_base, psbfb->gtt->npage);
-			psb_gtt_unpin(psbfb->gtt);
-		}
-		unregister_framebuffer(info);
-		if (info->cmap.len)
-			fb_dealloc_cmap(&info->cmap);
-		framebuffer_release(info);
-	}
-	drm_fb_helper_fini(&fbdev->psb_fb_helper);
-	drm_framebuffer_cleanup(&psbfb->base);
-
-	if (psbfb->gtt)
-		drm_gem_object_unreference(&psbfb->gtt->gem);
-	return 0;
-}
-
-int psb_fbdev_init(struct drm_device *dev)
-{
-	struct psb_fbdev *fbdev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL);
-	if (!fbdev) {
-		dev_err(dev->dev, "no memory\n");
-		return -ENOMEM;
-	}
-
-	dev_priv->fbdev = fbdev;
-	fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs;
-
-	drm_fb_helper_init(dev, &fbdev->psb_fb_helper, dev_priv->ops->crtcs,
-							INTELFB_CONN_LIMIT);
-
-	drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper);
-	drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32);
-	return 0;
-}
-
-void psb_fbdev_fini(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!dev_priv->fbdev)
-		return;
-
-	psb_fbdev_destroy(dev, dev_priv->fbdev);
-	kfree(dev_priv->fbdev);
-	dev_priv->fbdev = NULL;
-}
-
-static void psbfb_output_poll_changed(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev;
-	drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper);
-}
-
-/**
- *	psb_user_framebuffer_create_handle - add hamdle to a framebuffer
- *	@fb: framebuffer
- *	@file_priv: our DRM file
- *	@handle: returned handle
- *
- *	Our framebuffer object is a GTT range which also contains a GEM
- *	object. We need to turn it into a handle for userspace. GEM will do
- *	the work for us
- */
-static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
-					      struct drm_file *file_priv,
-					      unsigned int *handle)
-{
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
-	struct gtt_range *r = psbfb->gtt;
-	return drm_gem_handle_create(file_priv, &r->gem, handle);
-}
-
-/**
- *	psb_user_framebuffer_destroy	-	destruct user created fb
- *	@fb: framebuffer
- *
- *	User framebuffers are backed by GEM objects so all we have to do is
- *	clean up a bit and drop the reference, GEM will handle the fallout
- */
-static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb)
-{
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
-	struct gtt_range *r = psbfb->gtt;
-	struct drm_device *dev = fb->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_fbdev *fbdev = dev_priv->fbdev;
-	struct drm_crtc *crtc;
-	int reset = 0;
-
-	/* Should never get stolen memory for a user fb */
-	WARN_ON(r->stolen);
-
-	/* Check if we are erroneously live */
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
-		if (crtc->fb == fb)
-			reset = 1;
-
-	if (reset)
-		/*
-		 * Now force a sane response before we permit the DRM CRTC
-		 * layer to do stupid things like blank the display. Instead
-		 * we reset this framebuffer as if the user had forced a reset.
-		 * We must do this before the cleanup so that the DRM layer
-		 * doesn't get a chance to stick its oar in where it isn't
-		 * wanted.
-		 */
-		drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper);
-
-	/* Let DRM do its clean up */
-	drm_framebuffer_cleanup(fb);
-	/*  We are no longer using the resource in GEM */
-	drm_gem_object_unreference_unlocked(&r->gem);
-	kfree(fb);
-}
-
-static const struct drm_mode_config_funcs psb_mode_funcs = {
-	.fb_create = psb_user_framebuffer_create,
-	.output_poll_changed = psbfb_output_poll_changed,
-};
-
-static int psb_create_backlight_property(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_property *backlight;
-
-	if (dev_priv->backlight_property)
-		return 0;
-
-	backlight = drm_property_create(dev, DRM_MODE_PROP_RANGE,
-							"backlight", 2);
-	backlight->values[0] = 0;
-	backlight->values[1] = 100;
-
-	dev_priv->backlight_property = backlight;
-
-	return 0;
-}
-
-static void psb_setup_outputs(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_connector *connector;
-
-	drm_mode_create_scaling_mode_property(dev);
-	psb_create_backlight_property(dev);
-
-	dev_priv->ops->output_init(dev);
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list,
-			    head) {
-		struct psb_intel_output *psb_intel_output =
-		    to_psb_intel_output(connector);
-		struct drm_encoder *encoder = &psb_intel_output->enc;
-		int crtc_mask = 0, clone_mask = 0;
-
-		/* valid crtcs */
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_ANALOG:
-			crtc_mask = (1 << 0);
-			clone_mask = (1 << INTEL_OUTPUT_ANALOG);
-			break;
-		case INTEL_OUTPUT_SDVO:
-			crtc_mask = ((1 << 0) | (1 << 1));
-			clone_mask = (1 << INTEL_OUTPUT_SDVO);
-			break;
-		case INTEL_OUTPUT_LVDS:
-			if (IS_MRST(dev))
-				crtc_mask = (1 << 0);
-			else
-				crtc_mask = (1 << 1);
-			clone_mask = (1 << INTEL_OUTPUT_LVDS);
-			break;
-		case INTEL_OUTPUT_MIPI:
-			crtc_mask = (1 << 0);
-			clone_mask = (1 << INTEL_OUTPUT_MIPI);
-			break;
-		case INTEL_OUTPUT_MIPI2:
-			crtc_mask = (1 << 2);
-			clone_mask = (1 << INTEL_OUTPUT_MIPI2);
-			break;
-		case INTEL_OUTPUT_HDMI:
-		        /* HDMI on crtc 1 for SoC devices and crtc 0 for
-                           Cedarview. HDMI on Poulsbo is only via external
-			   logic */
-			if (IS_MFLD(dev) || IS_MRST(dev))
-				crtc_mask = (1 << 1);
-			else
-				crtc_mask = (1 << 0);	/* Cedarview */
-			clone_mask = (1 << INTEL_OUTPUT_HDMI);
-			break;
-		}
-		encoder->possible_crtcs = crtc_mask;
-		encoder->possible_clones =
-		    psb_intel_connector_clones(dev, clone_mask);
-	}
-}
-
-void psb_modeset_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
-	int i;
-
-	drm_mode_config_init(dev);
-
-	dev->mode_config.min_width = 0;
-	dev->mode_config.min_height = 0;
-
-	dev->mode_config.funcs = (void *) &psb_mode_funcs;
-
-	/* set memory base */
-	/* MRST and PSB should use BAR 2*/
-	pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *)
-					&(dev->mode_config.fb_base));
-
-	/* num pipes is 2 for PSB but 1 for Mrst */
-	for (i = 0; i < dev_priv->num_pipe; i++)
-		psb_intel_crtc_init(dev, i, mode_dev);
-
-	dev->mode_config.max_width = 2048;
-	dev->mode_config.max_height = 2048;
-
-	psb_setup_outputs(dev);
-}
-
-void psb_modeset_cleanup(struct drm_device *dev)
-{
-	mutex_lock(&dev->struct_mutex);
-
-	drm_kms_helper_poll_fini(dev);
-	psb_fbdev_fini(dev);
-	drm_mode_config_cleanup(dev);
-
-	mutex_unlock(&dev->struct_mutex);
-}
diff --git a/drivers/staging/gma500/framebuffer.h b/drivers/staging/gma500/framebuffer.h
deleted file mode 100644
index d1b2289447f0..000000000000
--- a/drivers/staging/gma500/framebuffer.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2008-2011, Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- *
- */
-
-#ifndef _FRAMEBUFFER_H_
-#define _FRAMEBUFFER_H_
-
-#include <drm/drmP.h>
-#include <drm/drm_fb_helper.h>
-
-#include "psb_drv.h"
-
-struct psb_framebuffer {
-	struct drm_framebuffer base;
-	struct address_space *addr_space;
-	struct fb_info *fbdev;
-	struct gtt_range *gtt;
-	bool vm_map;		/* True if we must undo a vm_map_ram */
-};
-
-struct psb_fbdev {
-	struct drm_fb_helper psb_fb_helper;
-	struct psb_framebuffer pfb;
-};
-
-#define to_psb_fb(x) container_of(x, struct psb_framebuffer, base)
-
-extern int psb_intel_connector_clones(struct drm_device *dev, int type_mask);
-
-#endif
-
diff --git a/drivers/staging/gma500/gem.c b/drivers/staging/gma500/gem.c
deleted file mode 100644
index f6433c037d24..000000000000
--- a/drivers/staging/gma500/gem.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- *  psb GEM interface
- *
- * Copyright (c) 2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Alan Cox
- *
- * TODO:
- *	-	we need to work out if the MMU is relevant (eg for
- *		accelerated operations on a GEM object)
- */
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-
-int psb_gem_init_object(struct drm_gem_object *obj)
-{
-	return -EINVAL;
-}
-
-void psb_gem_free_object(struct drm_gem_object *obj)
-{
-	struct gtt_range *gtt = container_of(obj, struct gtt_range, gem);
-	drm_gem_object_release_wrap(obj);
-	/* This must occur last as it frees up the memory of the GEM object */
-	psb_gtt_free_range(obj->dev, gtt);
-}
-
-int psb_gem_get_aperture(struct drm_device *dev, void *data,
-				struct drm_file *file)
-{
-	return -EINVAL;
-}
-
-/**
- *	psb_gem_dumb_map_gtt	-	buffer mapping for dumb interface
- *	@file: our drm client file
- *	@dev: drm device
- *	@handle: GEM handle to the object (from dumb_create)
- *
- *	Do the necessary setup to allow the mapping of the frame buffer
- *	into user memory. We don't have to do much here at the moment.
- */
-int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
-			 uint32_t handle, uint64_t *offset)
-{
-	int ret = 0;
-	struct drm_gem_object *obj;
-
-	if (!(dev->driver->driver_features & DRIVER_GEM))
-		return -ENODEV;
-
-	mutex_lock(&dev->struct_mutex);
-
-	/* GEM does all our handle to object mapping */
-	obj = drm_gem_object_lookup(dev, file, handle);
-	if (obj == NULL) {
-		ret = -ENOENT;
-		goto unlock;
-	}
-	/* What validation is needed here ? */
-
-	/* Make it mmapable */
-	if (!obj->map_list.map) {
-		ret = gem_create_mmap_offset(obj);
-		if (ret)
-			goto out;
-	}
-	/* GEM should really work out the hash offsets for us */
-	*offset = (u64)obj->map_list.hash.key << PAGE_SHIFT;
-out:
-	drm_gem_object_unreference(obj);
-unlock:
-	mutex_unlock(&dev->struct_mutex);
-	return ret;
-}
-
-/**
- *	psb_gem_create		-	create a mappable object
- *	@file: the DRM file of the client
- *	@dev: our device
- *	@size: the size requested
- *	@handlep: returned handle (opaque number)
- *
- *	Create a GEM object, fill in the boilerplate and attach a handle to
- *	it so that userspace can speak about it. This does the core work
- *	for the various methods that do/will create GEM objects for things
- */
-static int psb_gem_create(struct drm_file *file,
-	struct drm_device *dev, uint64_t size, uint32_t *handlep)
-{
-	struct gtt_range *r;
-	int ret;
-	u32 handle;
-
-	size = roundup(size, PAGE_SIZE);
-
-	/* Allocate our object - for now a direct gtt range which is not
-	   stolen memory backed */
-	r = psb_gtt_alloc_range(dev, size, "gem", 0);
-	if (r == NULL) {
-		dev_err(dev->dev, "no memory for %lld byte GEM object\n", size);
-		return -ENOSPC;
-	}
-	/* Initialize the extra goodies GEM needs to do all the hard work */
-	if (drm_gem_object_init(dev, &r->gem, size) != 0) {
-		psb_gtt_free_range(dev, r);
-		/* GEM doesn't give an error code so use -ENOMEM */
-		dev_err(dev->dev, "GEM init failed for %lld\n", size);
-		return -ENOMEM;
-	}
-	/* Give the object a handle so we can carry it more easily */
-	ret = drm_gem_handle_create(file, &r->gem, &handle);
-	if (ret) {
-		dev_err(dev->dev, "GEM handle failed for %p, %lld\n",
-							&r->gem, size);
-		drm_gem_object_release(&r->gem);
-		psb_gtt_free_range(dev, r);
-		return ret;
-	}
-	/* We have the initial and handle reference but need only one now */
-	drm_gem_object_unreference(&r->gem);
-	*handlep = handle;
-	return 0;
-}
-
-/**
- *	psb_gem_dumb_create	-	create a dumb buffer
- *	@drm_file: our client file
- *	@dev: our device
- *	@args: the requested arguments copied from userspace
- *
- *	Allocate a buffer suitable for use for a frame buffer of the
- *	form described by user space. Give userspace a handle by which
- *	to reference it.
- */
-int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
-			struct drm_mode_create_dumb *args)
-{
-	args->pitch = ALIGN(args->width * ((args->bpp + 7) / 8), 64);
-	args->size = args->pitch * args->height;
-	return psb_gem_create(file, dev, args->size, &args->handle);
-}
-
-/**
- *	psb_gem_dumb_destroy	-	destroy a dumb buffer
- *	@file: client file
- *	@dev: our DRM device
- *	@handle: the object handle
- *
- *	Destroy a handle that was created via psb_gem_dumb_create, at least
- *	we hope it was created that way. i915 seems to assume the caller
- *	does the checking but that might be worth review ! FIXME
- */
-int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
-			uint32_t handle)
-{
-	/* No special work needed, drop the reference and see what falls out */
-	return drm_gem_handle_delete(file, handle);
-}
-
-/**
- *	psb_gem_fault		-	pagefault handler for GEM objects
- *	@vma: the VMA of the GEM object
- *	@vmf: fault detail
- *
- *	Invoked when a fault occurs on an mmap of a GEM managed area. GEM
- *	does most of the work for us including the actual map/unmap calls
- *	but we need to do the actual page work.
- *
- *	This code eventually needs to handle faulting objects in and out
- *	of the GTT and repacking it when we run out of space. We can put
- *	that off for now and for our simple uses
- *
- *	The VMA was set up by GEM. In doing so it also ensured that the
- *	vma->vm_private_data points to the GEM object that is backing this
- *	mapping.
- */
-int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	struct drm_gem_object *obj;
-	struct gtt_range *r;
-	int ret;
-	unsigned long pfn;
-	pgoff_t page_offset;
-	struct drm_device *dev;
-	struct drm_psb_private *dev_priv;
-
-	obj = vma->vm_private_data;	/* GEM object */
-	dev = obj->dev;
-	dev_priv = dev->dev_private;
-
-	r = container_of(obj, struct gtt_range, gem);	/* Get the gtt range */
-
-	/* Make sure we don't parallel update on a fault, nor move or remove
-	   something from beneath our feet */
-	mutex_lock(&dev->struct_mutex);
-
-	/* For now the mmap pins the object and it stays pinned. As things
-	   stand that will do us no harm */
-	if (r->mmapping == 0) {
-		ret = psb_gtt_pin(r);
-		if (ret < 0) {
-			dev_err(dev->dev, "gma500: pin failed: %d\n", ret);
-			goto fail;
-		}
-		r->mmapping = 1;
-	}
-
-	/* Page relative to the VMA start - we must calculate this ourselves
-	   because vmf->pgoff is the fake GEM offset */
-	page_offset = ((unsigned long) vmf->virtual_address - vma->vm_start)
-				>> PAGE_SHIFT;
-
-	/* CPU view of the page, don't go via the GART for CPU writes */
-	if (r->stolen)
-		pfn = (dev_priv->stolen_base + r->offset) >> PAGE_SHIFT;
-	else
-		pfn = page_to_pfn(r->pages[page_offset]);
-	ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
-
-fail:
-	mutex_unlock(&dev->struct_mutex);
-	switch (ret) {
-	case 0:
-	case -ERESTARTSYS:
-	case -EINTR:
-		return VM_FAULT_NOPAGE;
-	case -ENOMEM:
-		return VM_FAULT_OOM;
-	default:
-		return VM_FAULT_SIGBUS;
-	}
-}
-
-static int psb_gem_create_stolen(struct drm_file *file, struct drm_device *dev,
-						int size, u32 *handle)
-{
-	struct gtt_range *gtt = psb_gtt_alloc_range(dev, size, "gem", 1);
-	if (gtt == NULL)
-		return -ENOMEM;
-	if (drm_gem_private_object_init(dev, &gtt->gem, size) != 0)
-		goto free_gtt;
-	if (drm_gem_handle_create(file, &gtt->gem, handle) == 0)
-		return 0;
-free_gtt:
-	psb_gtt_free_range(dev, gtt);
-	return -ENOMEM;
-}
-
-/*
- *	GEM interfaces for our specific client
- */
-int psb_gem_create_ioctl(struct drm_device *dev, void *data,
-					struct drm_file *file)
-{
-	struct drm_psb_gem_create *args = data;
-	int ret;
-	if (args->flags & PSB_GEM_CREATE_STOLEN) {
-		ret = psb_gem_create_stolen(file, dev, args->size,
-							&args->handle);
-		if (ret == 0)
-			return 0;
-		/* Fall throguh */
-		args->flags &= ~PSB_GEM_CREATE_STOLEN;
-	}
-	return psb_gem_create(file, dev, args->size, &args->handle);
-}
-
-int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
-					struct drm_file *file)
-{
-	struct drm_psb_gem_mmap *args = data;
-	return dev->driver->dumb_map_offset(file, dev,
-						args->handle, &args->offset);
-}
-
diff --git a/drivers/staging/gma500/gem_glue.c b/drivers/staging/gma500/gem_glue.c
deleted file mode 100644
index daac12120653..000000000000
--- a/drivers/staging/gma500/gem_glue.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-
-void drm_gem_object_release_wrap(struct drm_gem_object *obj)
-{
-	/* Remove the list map if one is present */
-	if (obj->map_list.map) {
-		struct drm_gem_mm *mm = obj->dev->mm_private;
-		struct drm_map_list *list = &obj->map_list;
-		drm_ht_remove_item(&mm->offset_hash, &list->hash);
-		drm_mm_put_block(list->file_offset_node);
-		kfree(list->map);
-		list->map = NULL;
-	}
-	drm_gem_object_release(obj);
-}
-
-/**
- *	gem_create_mmap_offset		-	invent an mmap offset
- *	@obj: our object
- *
- *	Standard implementation of offset generation for mmap as is
- *	duplicated in several drivers. This belongs in GEM.
- */
-int gem_create_mmap_offset(struct drm_gem_object *obj)
-{
-	struct drm_device *dev = obj->dev;
-	struct drm_gem_mm *mm = dev->mm_private;
-	struct drm_map_list *list;
-	struct drm_local_map *map;
-	int ret;
-
-	list = &obj->map_list;
-	list->map = kzalloc(sizeof(struct drm_map_list), GFP_KERNEL);
-	if (list->map == NULL)
-		return -ENOMEM;
-	map = list->map;
-	map->type = _DRM_GEM;
-	map->size = obj->size;
-	map->handle = obj;
-
-	list->file_offset_node = drm_mm_search_free(&mm->offset_manager,
-					obj->size / PAGE_SIZE, 0, 0);
-	if (!list->file_offset_node) {
-		dev_err(dev->dev, "failed to allocate offset for bo %d\n",
-								obj->name);
-		ret = -ENOSPC;
-		goto free_it;
-	}
-	list->file_offset_node = drm_mm_get_block(list->file_offset_node,
-					obj->size / PAGE_SIZE, 0);
-	if (!list->file_offset_node) {
-		ret = -ENOMEM;
-		goto free_it;
-	}
-	list->hash.key = list->file_offset_node->start;
-	ret = drm_ht_insert_item(&mm->offset_hash, &list->hash);
-	if (ret) {
-		dev_err(dev->dev, "failed to add to map hash\n");
-		goto free_mm;
-	}
-	return 0;
-
-free_mm:
-	drm_mm_put_block(list->file_offset_node);
-free_it:
-	kfree(list->map);
-	list->map = NULL;
-	return ret;
-}
diff --git a/drivers/staging/gma500/gem_glue.h b/drivers/staging/gma500/gem_glue.h
deleted file mode 100644
index ce5ce30f74db..000000000000
--- a/drivers/staging/gma500/gem_glue.h
+++ /dev/null
@@ -1,2 +0,0 @@
-extern void drm_gem_object_release_wrap(struct drm_gem_object *obj);
-extern int gem_create_mmap_offset(struct drm_gem_object *obj);
diff --git a/drivers/staging/gma500/gtt.c b/drivers/staging/gma500/gtt.c
deleted file mode 100644
index e770bd190a5c..000000000000
--- a/drivers/staging/gma500/gtt.c
+++ /dev/null
@@ -1,553 +0,0 @@
-/*
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com>
- *	    Alan Cox <alan@linux.intel.com>
- */
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-
-
-/*
- *	GTT resource allocator - manage page mappings in GTT space
- */
-
-/**
- *	psb_gtt_mask_pte	-	generate GTT pte entry
- *	@pfn: page number to encode
- *	@type: type of memory in the GTT
- *
- *	Set the GTT entry for the appropriate memory type.
- */
-static inline uint32_t psb_gtt_mask_pte(uint32_t pfn, int type)
-{
-	uint32_t mask = PSB_PTE_VALID;
-
-	if (type & PSB_MMU_CACHED_MEMORY)
-		mask |= PSB_PTE_CACHED;
-	if (type & PSB_MMU_RO_MEMORY)
-		mask |= PSB_PTE_RO;
-	if (type & PSB_MMU_WO_MEMORY)
-		mask |= PSB_PTE_WO;
-
-	return (pfn << PAGE_SHIFT) | mask;
-}
-
-/**
- *	psb_gtt_entry		-	find the GTT entries for a gtt_range
- *	@dev: our DRM device
- *	@r: our GTT range
- *
- *	Given a gtt_range object return the GTT offset of the page table
- *	entries for this gtt_range
- */
-u32 *psb_gtt_entry(struct drm_device *dev, struct gtt_range *r)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long offset;
-
-	offset = r->resource.start - dev_priv->gtt_mem->start;
-
-	return dev_priv->gtt_map + (offset >> PAGE_SHIFT);
-}
-
-/**
- *	psb_gtt_insert	-	put an object into the GTT
- *	@dev: our DRM device
- *	@r: our GTT range
- *
- *	Take our preallocated GTT range and insert the GEM object into
- *	the GTT. This is protected via the gtt mutex which the caller
- *	must hold.
- */
-static int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r)
-{
-	u32 *gtt_slot, pte;
-	struct page **pages;
-	int i;
-
-	if (r->pages == NULL) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	WARN_ON(r->stolen);	/* refcount these maybe ? */
-
-	gtt_slot = psb_gtt_entry(dev, r);
-	pages = r->pages;
-
-	/* Make sure changes are visible to the GPU */
-	set_pages_array_uc(pages, r->npage);
-
-	/* Write our page entries into the GTT itself */
-	for (i = r->roll; i < r->npage; i++) {
-		pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-		iowrite32(pte, gtt_slot++);
-	}
-	for (i = 0; i < r->roll; i++) {
-		pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-		iowrite32(pte, gtt_slot++);
-	}
-	/* Make sure all the entries are set before we return */
-	ioread32(gtt_slot - 1);
-
-	return 0;
-}
-
-/**
- *	psb_gtt_remove	-	remove an object from the GTT
- *	@dev: our DRM device
- *	@r: our GTT range
- *
- *	Remove a preallocated GTT range from the GTT. Overwrite all the
- *	page table entries with the dummy page. This is protected via the gtt
- *	mutex which the caller must hold.
- */
-static void psb_gtt_remove(struct drm_device *dev, struct gtt_range *r)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 *gtt_slot, pte;
-	int i;
-
-	WARN_ON(r->stolen);
-
-	gtt_slot = psb_gtt_entry(dev, r);
-	pte = psb_gtt_mask_pte(page_to_pfn(dev_priv->scratch_page), 0);
-
-	for (i = 0; i < r->npage; i++)
-		iowrite32(pte, gtt_slot++);
-	ioread32(gtt_slot - 1);
-	set_pages_array_wb(r->pages, r->npage);
-}
-
-/**
- *	psb_gtt_roll	-	set scrolling position
- *	@dev: our DRM device
- *	@r: the gtt mapping we are using
- *	@roll: roll offset
- *
- *	Roll an existing pinned mapping by moving the pages through the GTT.
- *	This allows us to implement hardware scrolling on the consoles without
- *	a 2D engine
- */
-void psb_gtt_roll(struct drm_device *dev, struct gtt_range *r, int roll)
-{
-	u32 *gtt_slot, pte;
-	int i;
-
-	if (roll >= r->npage) {
-		WARN_ON(1);
-		return;
-	}
-
-	r->roll = roll;
-
-	/* Not currently in the GTT - no worry we will write the mapping at
-	   the right position when it gets pinned */
-	if (!r->stolen && !r->in_gart)
-		return;
-
-	gtt_slot = psb_gtt_entry(dev, r);
-
-	for (i = r->roll; i < r->npage; i++) {
-		pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-		iowrite32(pte, gtt_slot++);
-	}
-	for (i = 0; i < r->roll; i++) {
-		pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-		iowrite32(pte, gtt_slot++);
-	}
-	ioread32(gtt_slot - 1);
-}
-
-/**
- *	psb_gtt_attach_pages	-	attach and pin GEM pages
- *	@gt: the gtt range
- *
- *	Pin and build an in kernel list of the pages that back our GEM object.
- *	While we hold this the pages cannot be swapped out. This is protected
- *	via the gtt mutex which the caller must hold.
- */
-static int psb_gtt_attach_pages(struct gtt_range *gt)
-{
-	struct inode *inode;
-	struct address_space *mapping;
-	int i;
-	struct page *p;
-	int pages = gt->gem.size / PAGE_SIZE;
-
-	WARN_ON(gt->pages);
-
-	/* This is the shared memory object that backs the GEM resource */
-	inode = gt->gem.filp->f_path.dentry->d_inode;
-	mapping = inode->i_mapping;
-
-	gt->pages = kmalloc(pages * sizeof(struct page *), GFP_KERNEL);
-	if (gt->pages == NULL)
-		return -ENOMEM;
-	gt->npage = pages;
-
-	for (i = 0; i < pages; i++) {
-		/* FIXME: needs updating as per mail from Hugh Dickins */
-		p = read_cache_page_gfp(mapping, i,
-					__GFP_COLD | GFP_KERNEL);
-		if (IS_ERR(p))
-			goto err;
-		gt->pages[i] = p;
-	}
-	return 0;
-
-err:
-	while (i--)
-		page_cache_release(gt->pages[i]);
-	kfree(gt->pages);
-	gt->pages = NULL;
-	return PTR_ERR(p);
-}
-
-/**
- *	psb_gtt_detach_pages	-	attach and pin GEM pages
- *	@gt: the gtt range
- *
- *	Undo the effect of psb_gtt_attach_pages. At this point the pages
- *	must have been removed from the GTT as they could now be paged out
- *	and move bus address. This is protected via the gtt mutex which the
- *	caller must hold.
- */
-static void psb_gtt_detach_pages(struct gtt_range *gt)
-{
-	int i;
-	for (i = 0; i < gt->npage; i++) {
-		/* FIXME: do we need to force dirty */
-		set_page_dirty(gt->pages[i]);
-		page_cache_release(gt->pages[i]);
-	}
-	kfree(gt->pages);
-	gt->pages = NULL;
-}
-
-/**
- *	psb_gtt_pin		-	pin pages into the GTT
- *	@gt: range to pin
- *
- *	Pin a set of pages into the GTT. The pins are refcounted so that
- *	multiple pins need multiple unpins to undo.
- *
- *	Non GEM backed objects treat this as a no-op as they are always GTT
- *	backed objects.
- */
-int psb_gtt_pin(struct gtt_range *gt)
-{
-	int ret = 0;
-	struct drm_device *dev = gt->gem.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	mutex_lock(&dev_priv->gtt_mutex);
-
-	if (gt->in_gart == 0 && gt->stolen == 0) {
-		ret = psb_gtt_attach_pages(gt);
-		if (ret < 0)
-			goto out;
-		ret = psb_gtt_insert(dev, gt);
-		if (ret < 0) {
-			psb_gtt_detach_pages(gt);
-			goto out;
-		}
-	}
-	gt->in_gart++;
-out:
-	mutex_unlock(&dev_priv->gtt_mutex);
-	return ret;
-}
-
-/**
- *	psb_gtt_unpin		-	Drop a GTT pin requirement
- *	@gt: range to pin
- *
- *	Undoes the effect of psb_gtt_pin. On the last drop the GEM object
- *	will be removed from the GTT which will also drop the page references
- *	and allow the VM to clean up or page stuff.
- *
- *	Non GEM backed objects treat this as a no-op as they are always GTT
- *	backed objects.
- */
-void psb_gtt_unpin(struct gtt_range *gt)
-{
-	struct drm_device *dev = gt->gem.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	mutex_lock(&dev_priv->gtt_mutex);
-
-	WARN_ON(!gt->in_gart);
-
-	gt->in_gart--;
-	if (gt->in_gart == 0 && gt->stolen == 0) {
-		psb_gtt_remove(dev, gt);
-		psb_gtt_detach_pages(gt);
-	}
-	mutex_unlock(&dev_priv->gtt_mutex);
-}
-
-/*
- *	GTT resource allocator - allocate and manage GTT address space
- */
-
-/**
- *	psb_gtt_alloc_range	-	allocate GTT address space
- *	@dev: Our DRM device
- *	@len: length (bytes) of address space required
- *	@name: resource name
- *	@backed: resource should be backed by stolen pages
- *
- *	Ask the kernel core to find us a suitable range of addresses
- *	to use for a GTT mapping.
- *
- *	Returns a gtt_range structure describing the object, or NULL on
- *	error. On successful return the resource is both allocated and marked
- *	as in use.
- */
-struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
-						const char *name, int backed)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct gtt_range *gt;
-	struct resource *r = dev_priv->gtt_mem;
-	int ret;
-	unsigned long start, end;
-
-	if (backed) {
-		/* The start of the GTT is the stolen pages */
-		start = r->start;
-		end = r->start + dev_priv->gtt.stolen_size - 1;
-	} else {
-		/* The rest we will use for GEM backed objects */
-		start = r->start + dev_priv->gtt.stolen_size;
-		end = r->end;
-	}
-
-	gt = kzalloc(sizeof(struct gtt_range), GFP_KERNEL);
-	if (gt == NULL)
-		return NULL;
-	gt->resource.name = name;
-	gt->stolen = backed;
-	gt->in_gart = backed;
-	gt->roll = 0;
-	/* Ensure this is set for non GEM objects */
-	gt->gem.dev = dev;
-	ret = allocate_resource(dev_priv->gtt_mem, &gt->resource,
-				len, start, end, PAGE_SIZE, NULL, NULL);
-	if (ret == 0) {
-		gt->offset = gt->resource.start - r->start;
-		return gt;
-	}
-	kfree(gt);
-	return NULL;
-}
-
-/**
- *	psb_gtt_free_range	-	release GTT address space
- *	@dev: our DRM device
- *	@gt: a mapping created with psb_gtt_alloc_range
- *
- *	Release a resource that was allocated with psb_gtt_alloc_range. If the
- *	object has been pinned by mmap users we clean this up here currently.
- */
-void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt)
-{
-	/* Undo the mmap pin if we are destroying the object */
-	if (gt->mmapping) {
-		psb_gtt_unpin(gt);
-		gt->mmapping = 0;
-	}
-	WARN_ON(gt->in_gart && !gt->stolen);
-	release_resource(&gt->resource);
-	kfree(gt);
-}
-
-void psb_gtt_alloc(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	init_rwsem(&dev_priv->gtt.sem);
-}
-
-void psb_gtt_takedown(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (dev_priv->gtt_map) {
-		iounmap(dev_priv->gtt_map);
-		dev_priv->gtt_map = NULL;
-	}
-	if (dev_priv->gtt_initialized) {
-		pci_write_config_word(dev->pdev, PSB_GMCH_CTRL,
-				      dev_priv->gmch_ctrl);
-		PSB_WVDC32(dev_priv->pge_ctl, PSB_PGETBL_CTL);
-		(void) PSB_RVDC32(PSB_PGETBL_CTL);
-	}
-	if (dev_priv->vram_addr)
-		iounmap(dev_priv->gtt_map);
-}
-
-int psb_gtt_init(struct drm_device *dev, int resume)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned gtt_pages;
-	unsigned long stolen_size, vram_stolen_size;
-	unsigned i, num_pages;
-	unsigned pfn_base;
-	uint32_t vram_pages;
-	uint32_t dvmt_mode = 0;
-	struct psb_gtt *pg;
-
-	int ret = 0;
-	uint32_t pte;
-
-	mutex_init(&dev_priv->gtt_mutex);
-
-	psb_gtt_alloc(dev);
-	pg = &dev_priv->gtt;
-
-	/* Enable the GTT */
-	pci_read_config_word(dev->pdev, PSB_GMCH_CTRL, &dev_priv->gmch_ctrl);
-	pci_write_config_word(dev->pdev, PSB_GMCH_CTRL,
-			      dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
-
-	dev_priv->pge_ctl = PSB_RVDC32(PSB_PGETBL_CTL);
-	PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
-	(void) PSB_RVDC32(PSB_PGETBL_CTL);
-
-	/* The root resource we allocate address space from */
-	dev_priv->gtt_initialized = 1;
-
-	pg->gtt_phys_start = dev_priv->pge_ctl & PAGE_MASK;
-
-	/*
-	 *	The video mmu has a hw bug when accessing 0x0D0000000.
-	 *	Make gatt start at 0x0e000,0000. This doesn't actually
-	 *	matter for us but may do if the video acceleration ever
-	 *	gets opened up.
-	 */
-	pg->mmu_gatt_start = 0xE0000000;
-
-	pg->gtt_start = pci_resource_start(dev->pdev, PSB_GTT_RESOURCE);
-	gtt_pages = pci_resource_len(dev->pdev, PSB_GTT_RESOURCE)
-								>> PAGE_SHIFT;
-	/* Some CDV firmware doesn't report this currently. In which case the
-	   system has 64 gtt pages */
-	if (pg->gtt_start == 0 || gtt_pages == 0) {
-		dev_err(dev->dev, "GTT PCI BAR not initialized.\n");
-		gtt_pages = 64;
-		pg->gtt_start = dev_priv->pge_ctl;
-	}
-
-	pg->gatt_start = pci_resource_start(dev->pdev, PSB_GATT_RESOURCE);
-	pg->gatt_pages = pci_resource_len(dev->pdev, PSB_GATT_RESOURCE)
-								>> PAGE_SHIFT;
-	dev_priv->gtt_mem = &dev->pdev->resource[PSB_GATT_RESOURCE];
-
-	if (pg->gatt_pages == 0 || pg->gatt_start == 0) {
-		static struct resource fudge;	/* Preferably peppermint */
-		/* This can occur on CDV SDV systems. Fudge it in this case.
-		   We really don't care what imaginary space is being allocated
-		   at this point */
-		dev_err(dev->dev, "GATT PCI BAR not initialized.\n");
-		pg->gatt_start = 0x40000000;
-		pg->gatt_pages = (128 * 1024 * 1024) >> PAGE_SHIFT;
-		/* This is a little confusing but in fact the GTT is providing
-		   a view from the GPU into memory and not vice versa. As such
-		   this is really allocating space that is not the same as the
-		   CPU address space on CDV */
-		fudge.start = 0x40000000;
-		fudge.end = 0x40000000 + 128 * 1024 * 1024 - 1;
-		fudge.name = "fudge";
-		fudge.flags = IORESOURCE_MEM;
-		dev_priv->gtt_mem = &fudge;
-	}
-
-	pci_read_config_dword(dev->pdev, PSB_BSM, &dev_priv->stolen_base);
-	vram_stolen_size = pg->gtt_phys_start - dev_priv->stolen_base
-								- PAGE_SIZE;
-
-	stolen_size = vram_stolen_size;
-
-	printk(KERN_INFO "Stolen memory information\n");
-	printk(KERN_INFO "       base in RAM: 0x%x\n", dev_priv->stolen_base);
-	printk(KERN_INFO "       size: %luK, calculated by (GTT RAM base) - (Stolen base), seems wrong\n",
-		vram_stolen_size/1024);
-	dvmt_mode = (dev_priv->gmch_ctrl >> 4) & 0x7;
-	printk(KERN_INFO "      the correct size should be: %dM(dvmt mode=%d)\n",
-		(dvmt_mode == 1) ? 1 : (2 << (dvmt_mode - 1)), dvmt_mode);
-
-	if (resume && (gtt_pages != pg->gtt_pages) &&
-	    (stolen_size != pg->stolen_size)) {
-		dev_err(dev->dev, "GTT resume error.\n");
-		ret = -EINVAL;
-		goto out_err;
-	}
-
-	pg->gtt_pages = gtt_pages;
-	pg->stolen_size = stolen_size;
-	dev_priv->vram_stolen_size = vram_stolen_size;
-
-	/*
-	 *	Map the GTT and the stolen memory area
-	 */
-	dev_priv->gtt_map = ioremap_nocache(pg->gtt_phys_start,
-						gtt_pages << PAGE_SHIFT);
-	if (!dev_priv->gtt_map) {
-		dev_err(dev->dev, "Failure to map gtt.\n");
-		ret = -ENOMEM;
-		goto out_err;
-	}
-
-	dev_priv->vram_addr = ioremap_wc(dev_priv->stolen_base, stolen_size);
-	if (!dev_priv->vram_addr) {
-		dev_err(dev->dev, "Failure to map stolen base.\n");
-		ret = -ENOMEM;
-		goto out_err;
-	}
-
-	/*
-	 * Insert vram stolen pages into the GTT
-	 */
-
-	pfn_base = dev_priv->stolen_base >> PAGE_SHIFT;
-	vram_pages = num_pages = vram_stolen_size >> PAGE_SHIFT;
-	printk(KERN_INFO"Set up %d stolen pages starting at 0x%08x, GTT offset %dK\n",
-		num_pages, pfn_base << PAGE_SHIFT, 0);
-	for (i = 0; i < num_pages; ++i) {
-		pte = psb_gtt_mask_pte(pfn_base + i, 0);
-		iowrite32(pte, dev_priv->gtt_map + i);
-	}
-
-	/*
-	 * Init rest of GTT to the scratch page to avoid accidents or scribbles
-	 */
-
-	pfn_base = page_to_pfn(dev_priv->scratch_page);
-	pte = psb_gtt_mask_pte(pfn_base, 0);
-	for (; i < gtt_pages; ++i)
-		iowrite32(pte, dev_priv->gtt_map + i);
-
-	(void) ioread32(dev_priv->gtt_map + i - 1);
-	return 0;
-
-out_err:
-	psb_gtt_takedown(dev);
-	return ret;
-}
diff --git a/drivers/staging/gma500/gtt.h b/drivers/staging/gma500/gtt.h
deleted file mode 100644
index aa1742387f5a..000000000000
--- a/drivers/staging/gma500/gtt.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2008, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#ifndef _PSB_GTT_H_
-#define _PSB_GTT_H_
-
-#include <drm/drmP.h>
-
-/* This wants cleaning up with respect to the psb_dev and un-needed stuff */
-struct psb_gtt {
-	uint32_t gatt_start;
-	uint32_t mmu_gatt_start;
-	uint32_t gtt_start;
-	uint32_t gtt_phys_start;
-	unsigned gtt_pages;
-	unsigned gatt_pages;
-	unsigned long stolen_size;
-	unsigned long vram_stolen_size;
-	struct rw_semaphore sem;
-};
-
-/* Exported functions */
-extern int psb_gtt_init(struct drm_device *dev, int resume);
-extern void psb_gtt_takedown(struct drm_device *dev);
-
-/* Each gtt_range describes an allocation in the GTT area */
-struct gtt_range {
-	struct resource resource;	/* Resource for our allocation */
-	u32 offset;			/* GTT offset of our object */
-	struct drm_gem_object gem;	/* GEM high level stuff */
-	int in_gart;			/* Currently in the GART (ref ct) */
-	bool stolen;			/* Backed from stolen RAM */
-	bool mmapping;			/* Is mmappable */
-	struct page **pages;		/* Backing pages if present */
-	int npage;			/* Number of backing pages */
-	int roll;			/* Roll applied to the GTT entries */
-};
-
-extern struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
-						const char *name, int backed);
-extern void psb_gtt_kref_put(struct gtt_range *gt);
-extern void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt);
-extern int psb_gtt_pin(struct gtt_range *gt);
-extern void psb_gtt_unpin(struct gtt_range *gt);
-extern void psb_gtt_roll(struct drm_device *dev,
-					struct gtt_range *gt, int roll);
-
-#endif
diff --git a/drivers/staging/gma500/intel_bios.c b/drivers/staging/gma500/intel_bios.c
deleted file mode 100644
index 096757f9bc89..000000000000
--- a/drivers/staging/gma500/intel_bios.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * Copyright (c) 2006 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *    Eric Anholt <eric@anholt.net>
- *
- */
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-
-
-static void *find_section(struct bdb_header *bdb, int section_id)
-{
-	u8 *base = (u8 *)bdb;
-	int index = 0;
-	u16 total, current_size;
-	u8 current_id;
-
-	/* skip to first section */
-	index += bdb->header_size;
-	total = bdb->bdb_size;
-
-	/* walk the sections looking for section_id */
-	while (index < total) {
-		current_id = *(base + index);
-		index++;
-		current_size = *((u16 *)(base + index));
-		index += 2;
-		if (current_id == section_id)
-			return base + index;
-		index += current_size;
-	}
-
-	return NULL;
-}
-
-static void fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
-			struct lvds_dvo_timing *dvo_timing)
-{
-	panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
-		dvo_timing->hactive_lo;
-	panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
-		((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
-	panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
-		dvo_timing->hsync_pulse_width;
-	panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
-		((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
-
-	panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
-		dvo_timing->vactive_lo;
-	panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
-		dvo_timing->vsync_off;
-	panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
-		dvo_timing->vsync_pulse_width;
-	panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
-		((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
-	panel_fixed_mode->clock = dvo_timing->clock * 10;
-	panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
-
-	/* Some VBTs have bogus h/vtotal values */
-	if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
-		panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
-	if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
-		panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
-
-	drm_mode_set_name(panel_fixed_mode);
-}
-
-static void parse_backlight_data(struct drm_psb_private *dev_priv,
-				struct bdb_header *bdb)
-{
-	struct bdb_lvds_backlight *vbt_lvds_bl = NULL;
-	struct bdb_lvds_backlight *lvds_bl;
-	u8 p_type = 0;
-	void *bl_start = NULL;
-	struct bdb_lvds_options *lvds_opts
-				= find_section(bdb, BDB_LVDS_OPTIONS);
-
-	dev_priv->lvds_bl = NULL;
-
-	if (lvds_opts)
-		p_type = lvds_opts->panel_type;
-	else
-		return;
-
-	bl_start = find_section(bdb, BDB_LVDS_BACKLIGHT);
-	vbt_lvds_bl = (struct bdb_lvds_backlight *)(bl_start + 1) + p_type;
-
-	lvds_bl = kzalloc(sizeof(*vbt_lvds_bl), GFP_KERNEL);
-	if (!lvds_bl) {
-		dev_err(dev_priv->dev->dev, "out of memory for backlight data\n");
-		return;
-	}
-	memcpy(lvds_bl, vbt_lvds_bl, sizeof(*vbt_lvds_bl));
-	dev_priv->lvds_bl = lvds_bl;
-}
-
-/* Try to find integrated panel data */
-static void parse_lfp_panel_data(struct drm_psb_private *dev_priv,
-			    struct bdb_header *bdb)
-{
-	struct bdb_lvds_options *lvds_options;
-	struct bdb_lvds_lfp_data *lvds_lfp_data;
-	struct bdb_lvds_lfp_data_entry *entry;
-	struct lvds_dvo_timing *dvo_timing;
-	struct drm_display_mode *panel_fixed_mode;
-
-	/* Defaults if we can't find VBT info */
-	dev_priv->lvds_dither = 0;
-	dev_priv->lvds_vbt = 0;
-
-	lvds_options = find_section(bdb, BDB_LVDS_OPTIONS);
-	if (!lvds_options)
-		return;
-
-	dev_priv->lvds_dither = lvds_options->pixel_dither;
-	if (lvds_options->panel_type == 0xff)
-		return;
-
-	lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA);
-	if (!lvds_lfp_data)
-		return;
-
-
-	entry = &lvds_lfp_data->data[lvds_options->panel_type];
-	dvo_timing = &entry->dvo_timing;
-
-	panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode),
-				      GFP_KERNEL);
-	if (panel_fixed_mode == NULL) {
-		dev_err(dev_priv->dev->dev, "out of memory for fixed panel mode\n");
-		return;
-	}
-
-	dev_priv->lvds_vbt = 1;
-	fill_detail_timing_data(panel_fixed_mode, dvo_timing);
-
-	if (panel_fixed_mode->htotal > 0 && panel_fixed_mode->vtotal > 0) {
-		dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
-		drm_mode_debug_printmodeline(panel_fixed_mode);
-	} else {
-		dev_dbg(dev_priv->dev->dev, "ignoring invalid LVDS VBT\n");
-		dev_priv->lvds_vbt = 0;
-		kfree(panel_fixed_mode);
-	}
-	return;
-}
-
-/* Try to find sdvo panel data */
-static void parse_sdvo_panel_data(struct drm_psb_private *dev_priv,
-		      struct bdb_header *bdb)
-{
-	struct bdb_sdvo_lvds_options *sdvo_lvds_options;
-	struct lvds_dvo_timing *dvo_timing;
-	struct drm_display_mode *panel_fixed_mode;
-
-	dev_priv->sdvo_lvds_vbt_mode = NULL;
-
-	sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
-	if (!sdvo_lvds_options)
-		return;
-
-	dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
-	if (!dvo_timing)
-		return;
-
-	panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);
-
-	if (!panel_fixed_mode)
-		return;
-
-	fill_detail_timing_data(panel_fixed_mode,
-			dvo_timing + sdvo_lvds_options->panel_type);
-
-	dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
-
-	return;
-}
-
-static void parse_general_features(struct drm_psb_private *dev_priv,
-		       struct bdb_header *bdb)
-{
-	struct bdb_general_features *general;
-
-	/* Set sensible defaults in case we can't find the general block */
-	dev_priv->int_tv_support = 1;
-	dev_priv->int_crt_support = 1;
-
-	general = find_section(bdb, BDB_GENERAL_FEATURES);
-	if (general) {
-		dev_priv->int_tv_support = general->int_tv_support;
-		dev_priv->int_crt_support = general->int_crt_support;
-		dev_priv->lvds_use_ssc = general->enable_ssc;
-
-		if (dev_priv->lvds_use_ssc) {
-			dev_priv->lvds_ssc_freq
-				= general->ssc_freq ? 100 : 96;
-		}
-	}
-}
-
-/**
- * psb_intel_init_bios - initialize VBIOS settings & find VBT
- * @dev: DRM device
- *
- * Loads the Video BIOS and checks that the VBT exists.  Sets scratch registers
- * to appropriate values.
- *
- * VBT existence is a sanity check that is relied on by other i830_bios.c code.
- * Note that it would be better to use a BIOS call to get the VBT, as BIOSes may
- * feed an updated VBT back through that, compared to what we'll fetch using
- * this method of groping around in the BIOS data.
- *
- * Returns 0 on success, nonzero on failure.
- */
-bool psb_intel_init_bios(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct pci_dev *pdev = dev->pdev;
-	struct vbt_header *vbt = NULL;
-	struct bdb_header *bdb;
-	u8 __iomem *bios;
-	size_t size;
-	int i;
-
-	bios = pci_map_rom(pdev, &size);
-	if (!bios)
-		return -1;
-
-	/* Scour memory looking for the VBT signature */
-	for (i = 0; i + 4 < size; i++) {
-		if (!memcmp(bios + i, "$VBT", 4)) {
-			vbt = (struct vbt_header *)(bios + i);
-			break;
-		}
-	}
-
-	if (!vbt) {
-		dev_err(dev->dev, "VBT signature missing\n");
-		pci_unmap_rom(pdev, bios);
-		return -1;
-	}
-
-	bdb = (struct bdb_header *)(bios + i + vbt->bdb_offset);
-
-	/* Grab useful general definitions */
-	parse_general_features(dev_priv, bdb);
-	parse_lfp_panel_data(dev_priv, bdb);
-	parse_sdvo_panel_data(dev_priv, bdb);
-	parse_backlight_data(dev_priv, bdb);
-
-	pci_unmap_rom(pdev, bios);
-
-	return 0;
-}
-
-/**
- * Destroy and free VBT data
- */
-void psb_intel_destroy_bios(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_display_mode *sdvo_lvds_vbt_mode =
-				dev_priv->sdvo_lvds_vbt_mode;
-	struct drm_display_mode *lfp_lvds_vbt_mode =
-				dev_priv->lfp_lvds_vbt_mode;
-	struct bdb_lvds_backlight *lvds_bl =
-				dev_priv->lvds_bl;
-
-	/*free sdvo panel mode*/
-	if (sdvo_lvds_vbt_mode) {
-		dev_priv->sdvo_lvds_vbt_mode = NULL;
-		kfree(sdvo_lvds_vbt_mode);
-	}
-
-	if (lfp_lvds_vbt_mode) {
-		dev_priv->lfp_lvds_vbt_mode = NULL;
-		kfree(lfp_lvds_vbt_mode);
-	}
-
-	if (lvds_bl) {
-		dev_priv->lvds_bl = NULL;
-		kfree(lvds_bl);
-	}
-}
diff --git a/drivers/staging/gma500/intel_bios.h b/drivers/staging/gma500/intel_bios.h
deleted file mode 100644
index 70f1bf018183..000000000000
--- a/drivers/staging/gma500/intel_bios.h
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * Copyright (c) 2006 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *    Eric Anholt <eric@anholt.net>
- *
- */
-
-#ifndef _I830_BIOS_H_
-#define _I830_BIOS_H_
-
-#include <drm/drmP.h>
-
-struct vbt_header {
-	u8 signature[20];		/**< Always starts with 'VBT$' */
-	u16 version;			/**< decimal */
-	u16 header_size;		/**< in bytes */
-	u16 vbt_size;			/**< in bytes */
-	u8 vbt_checksum;
-	u8 reserved0;
-	u32 bdb_offset;			/**< from beginning of VBT */
-	u32 aim_offset[4];		/**< from beginning of VBT */
-} __attribute__((packed));
-
-
-struct bdb_header {
-	u8 signature[16];		/**< Always 'BIOS_DATA_BLOCK' */
-	u16 version;			/**< decimal */
-	u16 header_size;		/**< in bytes */
-	u16 bdb_size;			/**< in bytes */
-};
-
-/* strictly speaking, this is a "skip" block, but it has interesting info */
-struct vbios_data {
-	u8 type; /* 0 == desktop, 1 == mobile */
-	u8 relstage;
-	u8 chipset;
-	u8 lvds_present:1;
-	u8 tv_present:1;
-	u8 rsvd2:6; /* finish byte */
-	u8 rsvd3[4];
-	u8 signon[155];
-	u8 copyright[61];
-	u16 code_segment;
-	u8 dos_boot_mode;
-	u8 bandwidth_percent;
-	u8 rsvd4; /* popup memory size */
-	u8 resize_pci_bios;
-	u8 rsvd5; /* is crt already on ddc2 */
-} __attribute__((packed));
-
-/*
- * There are several types of BIOS data blocks (BDBs), each block has
- * an ID and size in the first 3 bytes (ID in first, size in next 2).
- * Known types are listed below.
- */
-#define BDB_GENERAL_FEATURES	  1
-#define BDB_GENERAL_DEFINITIONS	  2
-#define BDB_OLD_TOGGLE_LIST	  3
-#define BDB_MODE_SUPPORT_LIST	  4
-#define BDB_GENERIC_MODE_TABLE	  5
-#define BDB_EXT_MMIO_REGS	  6
-#define BDB_SWF_IO		  7
-#define BDB_SWF_MMIO		  8
-#define BDB_DOT_CLOCK_TABLE	  9
-#define BDB_MODE_REMOVAL_TABLE	 10
-#define BDB_CHILD_DEVICE_TABLE	 11
-#define BDB_DRIVER_FEATURES	 12
-#define BDB_DRIVER_PERSISTENCE	 13
-#define BDB_EXT_TABLE_PTRS	 14
-#define BDB_DOT_CLOCK_OVERRIDE	 15
-#define BDB_DISPLAY_SELECT	 16
-/* 17 rsvd */
-#define BDB_DRIVER_ROTATION	 18
-#define BDB_DISPLAY_REMOVE	 19
-#define BDB_OEM_CUSTOM		 20
-#define BDB_EFP_LIST		 21 /* workarounds for VGA hsync/vsync */
-#define BDB_SDVO_LVDS_OPTIONS	 22
-#define BDB_SDVO_PANEL_DTDS	 23
-#define BDB_SDVO_LVDS_PNP_IDS	 24
-#define BDB_SDVO_LVDS_POWER_SEQ	 25
-#define BDB_TV_OPTIONS		 26
-#define BDB_LVDS_OPTIONS	 40
-#define BDB_LVDS_LFP_DATA_PTRS	 41
-#define BDB_LVDS_LFP_DATA	 42
-#define BDB_LVDS_BACKLIGHT	 43
-#define BDB_LVDS_POWER		 44
-#define BDB_SKIP		254 /* VBIOS private block, ignore */
-
-struct bdb_general_features {
-	/* bits 1 */
-	u8 panel_fitting:2;
-	u8 flexaim:1;
-	u8 msg_enable:1;
-	u8 clear_screen:3;
-	u8 color_flip:1;
-
-	/* bits 2 */
-	u8 download_ext_vbt:1;
-	u8 enable_ssc:1;
-	u8 ssc_freq:1;
-	u8 enable_lfp_on_override:1;
-	u8 disable_ssc_ddt:1;
-	u8 rsvd8:3; /* finish byte */
-
-	/* bits 3 */
-	u8 disable_smooth_vision:1;
-	u8 single_dvi:1;
-	u8 rsvd9:6; /* finish byte */
-
-	/* bits 4 */
-	u8 legacy_monitor_detect;
-
-	/* bits 5 */
-	u8 int_crt_support:1;
-	u8 int_tv_support:1;
-	u8 rsvd11:6; /* finish byte */
-} __attribute__((packed));
-
-struct bdb_general_definitions {
-	/* DDC GPIO */
-	u8 crt_ddc_gmbus_pin;
-
-	/* DPMS bits */
-	u8 dpms_acpi:1;
-	u8 skip_boot_crt_detect:1;
-	u8 dpms_aim:1;
-	u8 rsvd1:5; /* finish byte */
-
-	/* boot device bits */
-	u8 boot_display[2];
-	u8 child_dev_size;
-
-	/* device info */
-	u8 tv_or_lvds_info[33];
-	u8 dev1[33];
-	u8 dev2[33];
-	u8 dev3[33];
-	u8 dev4[33];
-	/* may be another device block here on some platforms */
-};
-
-struct bdb_lvds_options {
-	u8 panel_type;
-	u8 rsvd1;
-	/* LVDS capabilities, stored in a dword */
-	u8 pfit_mode:2;
-	u8 pfit_text_mode_enhanced:1;
-	u8 pfit_gfx_mode_enhanced:1;
-	u8 pfit_ratio_auto:1;
-	u8 pixel_dither:1;
-	u8 lvds_edid:1;
-	u8 rsvd2:1;
-	u8 rsvd4;
-} __attribute__((packed));
-
-struct bdb_lvds_backlight {
-	u8 type:2;
-	u8 pol:1;
-	u8 gpio:3;
-	u8 gmbus:2;
-	u16 freq;
-	u8 minbrightness;
-	u8 i2caddr;
-	u8 brightnesscmd;
-	/*FIXME: more...*/
-} __attribute__((packed));
-
-/* LFP pointer table contains entries to the struct below */
-struct bdb_lvds_lfp_data_ptr {
-	u16 fp_timing_offset; /* offsets are from start of bdb */
-	u8 fp_table_size;
-	u16 dvo_timing_offset;
-	u8 dvo_table_size;
-	u16 panel_pnp_id_offset;
-	u8 pnp_table_size;
-} __attribute__((packed));
-
-struct bdb_lvds_lfp_data_ptrs {
-	u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
-	struct bdb_lvds_lfp_data_ptr ptr[16];
-} __attribute__((packed));
-
-/* LFP data has 3 blocks per entry */
-struct lvds_fp_timing {
-	u16 x_res;
-	u16 y_res;
-	u32 lvds_reg;
-	u32 lvds_reg_val;
-	u32 pp_on_reg;
-	u32 pp_on_reg_val;
-	u32 pp_off_reg;
-	u32 pp_off_reg_val;
-	u32 pp_cycle_reg;
-	u32 pp_cycle_reg_val;
-	u32 pfit_reg;
-	u32 pfit_reg_val;
-	u16 terminator;
-} __attribute__((packed));
-
-struct lvds_dvo_timing {
-	u16 clock;		/**< In 10khz */
-	u8 hactive_lo;
-	u8 hblank_lo;
-	u8 hblank_hi:4;
-	u8 hactive_hi:4;
-	u8 vactive_lo;
-	u8 vblank_lo;
-	u8 vblank_hi:4;
-	u8 vactive_hi:4;
-	u8 hsync_off_lo;
-	u8 hsync_pulse_width;
-	u8 vsync_pulse_width:4;
-	u8 vsync_off:4;
-	u8 rsvd0:6;
-	u8 hsync_off_hi:2;
-	u8 h_image;
-	u8 v_image;
-	u8 max_hv;
-	u8 h_border;
-	u8 v_border;
-	u8 rsvd1:3;
-	u8 digital:2;
-	u8 vsync_positive:1;
-	u8 hsync_positive:1;
-	u8 rsvd2:1;
-} __attribute__((packed));
-
-struct lvds_pnp_id {
-	u16 mfg_name;
-	u16 product_code;
-	u32 serial;
-	u8 mfg_week;
-	u8 mfg_year;
-} __attribute__((packed));
-
-struct bdb_lvds_lfp_data_entry {
-	struct lvds_fp_timing fp_timing;
-	struct lvds_dvo_timing dvo_timing;
-	struct lvds_pnp_id pnp_id;
-} __attribute__((packed));
-
-struct bdb_lvds_lfp_data {
-	struct bdb_lvds_lfp_data_entry data[16];
-} __attribute__((packed));
-
-struct aimdb_header {
-	char signature[16];
-	char oem_device[20];
-	u16 aimdb_version;
-	u16 aimdb_header_size;
-	u16 aimdb_size;
-} __attribute__((packed));
-
-struct aimdb_block {
-	u8 aimdb_id;
-	u16 aimdb_size;
-} __attribute__((packed));
-
-struct vch_panel_data {
-	u16 fp_timing_offset;
-	u8 fp_timing_size;
-	u16 dvo_timing_offset;
-	u8 dvo_timing_size;
-	u16 text_fitting_offset;
-	u8 text_fitting_size;
-	u16 graphics_fitting_offset;
-	u8 graphics_fitting_size;
-} __attribute__((packed));
-
-struct vch_bdb_22 {
-	struct aimdb_block aimdb_block;
-	struct vch_panel_data panels[16];
-} __attribute__((packed));
-
-struct bdb_sdvo_lvds_options {
-	u8 panel_backlight;
-	u8 h40_set_panel_type;
-	u8 panel_type;
-	u8 ssc_clk_freq;
-	u16 als_low_trip;
-	u16 als_high_trip;
-	u8 sclalarcoeff_tab_row_num;
-	u8 sclalarcoeff_tab_row_size;
-	u8 coefficient[8];
-	u8 panel_misc_bits_1;
-	u8 panel_misc_bits_2;
-	u8 panel_misc_bits_3;
-	u8 panel_misc_bits_4;
-} __attribute__((packed));
-
-
-extern bool psb_intel_init_bios(struct drm_device *dev);
-extern void psb_intel_destroy_bios(struct drm_device *dev);
-
-/*
- * Driver<->VBIOS interaction occurs through scratch bits in
- * GR18 & SWF*.
- */
-
-/* GR18 bits are set on display switch and hotkey events */
-#define GR18_DRIVER_SWITCH_EN	(1<<7) /* 0: VBIOS control, 1: driver control */
-#define GR18_HOTKEY_MASK	0x78 /* See also SWF4 15:0 */
-#define   GR18_HK_NONE		(0x0<<3)
-#define   GR18_HK_LFP_STRETCH	(0x1<<3)
-#define   GR18_HK_TOGGLE_DISP	(0x2<<3)
-#define   GR18_HK_DISP_SWITCH	(0x4<<3) /* see SWF14 15:0 for what to enable */
-#define   GR18_HK_POPUP_DISABLED (0x6<<3)
-#define   GR18_HK_POPUP_ENABLED	(0x7<<3)
-#define   GR18_HK_PFIT		(0x8<<3)
-#define   GR18_HK_APM_CHANGE	(0xa<<3)
-#define   GR18_HK_MULTIPLE	(0xc<<3)
-#define GR18_USER_INT_EN	(1<<2)
-#define GR18_A0000_FLUSH_EN	(1<<1)
-#define GR18_SMM_EN		(1<<0)
-
-/* Set by driver, cleared by VBIOS */
-#define SWF00_YRES_SHIFT	16
-#define SWF00_XRES_SHIFT	0
-#define SWF00_RES_MASK		0xffff
-
-/* Set by VBIOS at boot time and driver at runtime */
-#define SWF01_TV2_FORMAT_SHIFT	8
-#define SWF01_TV1_FORMAT_SHIFT	0
-#define SWF01_TV_FORMAT_MASK	0xffff
-
-#define SWF10_VBIOS_BLC_I2C_EN	(1<<29)
-#define SWF10_GTT_OVERRIDE_EN	(1<<28)
-#define SWF10_LFP_DPMS_OVR	(1<<27) /* override DPMS on display switch */
-#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
-#define   SWF10_OLD_TOGGLE	0x0
-#define   SWF10_TOGGLE_LIST_1	0x1
-#define   SWF10_TOGGLE_LIST_2	0x2
-#define   SWF10_TOGGLE_LIST_3	0x3
-#define   SWF10_TOGGLE_LIST_4	0x4
-#define SWF10_PANNING_EN	(1<<23)
-#define SWF10_DRIVER_LOADED	(1<<22)
-#define SWF10_EXTENDED_DESKTOP	(1<<21)
-#define SWF10_EXCLUSIVE_MODE	(1<<20)
-#define SWF10_OVERLAY_EN	(1<<19)
-#define SWF10_PLANEB_HOLDOFF	(1<<18)
-#define SWF10_PLANEA_HOLDOFF	(1<<17)
-#define SWF10_VGA_HOLDOFF	(1<<16)
-#define SWF10_ACTIVE_DISP_MASK	0xffff
-#define   SWF10_PIPEB_LFP2	(1<<15)
-#define   SWF10_PIPEB_EFP2	(1<<14)
-#define   SWF10_PIPEB_TV2	(1<<13)
-#define   SWF10_PIPEB_CRT2	(1<<12)
-#define   SWF10_PIPEB_LFP	(1<<11)
-#define   SWF10_PIPEB_EFP	(1<<10)
-#define   SWF10_PIPEB_TV	(1<<9)
-#define   SWF10_PIPEB_CRT	(1<<8)
-#define   SWF10_PIPEA_LFP2	(1<<7)
-#define   SWF10_PIPEA_EFP2	(1<<6)
-#define   SWF10_PIPEA_TV2	(1<<5)
-#define   SWF10_PIPEA_CRT2	(1<<4)
-#define   SWF10_PIPEA_LFP	(1<<3)
-#define   SWF10_PIPEA_EFP	(1<<2)
-#define   SWF10_PIPEA_TV	(1<<1)
-#define   SWF10_PIPEA_CRT	(1<<0)
-
-#define SWF11_MEMORY_SIZE_SHIFT	16
-#define SWF11_SV_TEST_EN	(1<<15)
-#define SWF11_IS_AGP		(1<<14)
-#define SWF11_DISPLAY_HOLDOFF	(1<<13)
-#define SWF11_DPMS_REDUCED	(1<<12)
-#define SWF11_IS_VBE_MODE	(1<<11)
-#define SWF11_PIPEB_ACCESS	(1<<10) /* 0 here means pipe a */
-#define SWF11_DPMS_MASK		0x07
-#define   SWF11_DPMS_OFF	(1<<2)
-#define   SWF11_DPMS_SUSPEND	(1<<1)
-#define   SWF11_DPMS_STANDBY	(1<<0)
-#define   SWF11_DPMS_ON		0
-
-#define SWF14_GFX_PFIT_EN	(1<<31)
-#define SWF14_TEXT_PFIT_EN	(1<<30)
-#define SWF14_LID_STATUS_CLOSED	(1<<29) /* 0 here means open */
-#define SWF14_POPUP_EN		(1<<28)
-#define SWF14_DISPLAY_HOLDOFF	(1<<27)
-#define SWF14_DISP_DETECT_EN	(1<<26)
-#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
-#define SWF14_DRIVER_STATUS	(1<<24)
-#define SWF14_OS_TYPE_WIN9X	(1<<23)
-#define SWF14_OS_TYPE_WINNT	(1<<22)
-/* 21:19 rsvd */
-#define SWF14_PM_TYPE_MASK	0x00070000
-#define   SWF14_PM_ACPI_VIDEO	(0x4 << 16)
-#define   SWF14_PM_ACPI		(0x3 << 16)
-#define   SWF14_PM_APM_12	(0x2 << 16)
-#define   SWF14_PM_APM_11	(0x1 << 16)
-#define SWF14_HK_REQUEST_MASK	0x0000ffff /* see GR18 6:3 for event type */
-	  /* if GR18 indicates a display switch */
-#define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
-#define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
-#define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
-#define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
-#define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
-#define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
-#define   SWF14_DS_PIPEB_TV_EN	 (1<<9)
-#define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
-#define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
-#define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
-#define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
-#define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
-#define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
-#define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
-#define   SWF14_DS_PIPEA_TV_EN	 (1<<1)
-#define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
-	  /* if GR18 indicates a panel fitting request */
-#define   SWF14_PFIT_EN		(1<<0) /* 0 means disable */
-	  /* if GR18 indicates an APM change request */
-#define   SWF14_APM_HIBERNATE	0x4
-#define   SWF14_APM_SUSPEND	0x3
-#define   SWF14_APM_STANDBY	0x1
-#define   SWF14_APM_RESTORE	0x0
-
-#endif /* _I830_BIOS_H_ */
diff --git a/drivers/staging/gma500/intel_i2c.c b/drivers/staging/gma500/intel_i2c.c
deleted file mode 100644
index 51cbf65268e6..000000000000
--- a/drivers/staging/gma500/intel_i2c.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <linux/export.h>
-
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-
-/*
- * Intel GPIO access functions
- */
-
-#define I2C_RISEFALL_TIME 20
-
-static int get_clock(void *data)
-{
-	struct psb_intel_i2c_chan *chan = data;
-	struct drm_device *dev = chan->drm_dev;
-	u32 val;
-
-	val = REG_READ(chan->reg);
-	return (val & GPIO_CLOCK_VAL_IN) != 0;
-}
-
-static int get_data(void *data)
-{
-	struct psb_intel_i2c_chan *chan = data;
-	struct drm_device *dev = chan->drm_dev;
-	u32 val;
-
-	val = REG_READ(chan->reg);
-	return (val & GPIO_DATA_VAL_IN) != 0;
-}
-
-static void set_clock(void *data, int state_high)
-{
-	struct psb_intel_i2c_chan *chan = data;
-	struct drm_device *dev = chan->drm_dev;
-	u32 reserved = 0, clock_bits;
-
-	/* On most chips, these bits must be preserved in software. */
-	reserved =
-		    REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
-					   GPIO_CLOCK_PULLUP_DISABLE);
-
-	if (state_high)
-		clock_bits = GPIO_CLOCK_DIR_IN | GPIO_CLOCK_DIR_MASK;
-	else
-		clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK |
-		    GPIO_CLOCK_VAL_MASK;
-	REG_WRITE(chan->reg, reserved | clock_bits);
-	udelay(I2C_RISEFALL_TIME);	/* wait for the line to change state */
-}
-
-static void set_data(void *data, int state_high)
-{
-	struct psb_intel_i2c_chan *chan = data;
-	struct drm_device *dev = chan->drm_dev;
-	u32 reserved = 0, data_bits;
-
-	/* On most chips, these bits must be preserved in software. */
-	reserved =
-		    REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
-					   GPIO_CLOCK_PULLUP_DISABLE);
-
-	if (state_high)
-		data_bits = GPIO_DATA_DIR_IN | GPIO_DATA_DIR_MASK;
-	else
-		data_bits =
-		    GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK |
-		    GPIO_DATA_VAL_MASK;
-
-	REG_WRITE(chan->reg, reserved | data_bits);
-	udelay(I2C_RISEFALL_TIME);	/* wait for the line to change state */
-}
-
-/**
- * psb_intel_i2c_create - instantiate an Intel i2c bus using the specified GPIO reg
- * @dev: DRM device
- * @output: driver specific output device
- * @reg: GPIO reg to use
- * @name: name for this bus
- *
- * Creates and registers a new i2c bus with the Linux i2c layer, for use
- * in output probing and control (e.g. DDC or SDVO control functions).
- *
- * Possible values for @reg include:
- *   %GPIOA
- *   %GPIOB
- *   %GPIOC
- *   %GPIOD
- *   %GPIOE
- *   %GPIOF
- *   %GPIOG
- *   %GPIOH
- * see PRM for details on how these different busses are used.
- */
-struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
-					const u32 reg, const char *name)
-{
-	struct psb_intel_i2c_chan *chan;
-
-	chan = kzalloc(sizeof(struct psb_intel_i2c_chan), GFP_KERNEL);
-	if (!chan)
-		goto out_free;
-
-	chan->drm_dev = dev;
-	chan->reg = reg;
-	snprintf(chan->adapter.name, I2C_NAME_SIZE, "intel drm %s", name);
-	chan->adapter.owner = THIS_MODULE;
-	chan->adapter.algo_data = &chan->algo;
-	chan->adapter.dev.parent = &dev->pdev->dev;
-	chan->algo.setsda = set_data;
-	chan->algo.setscl = set_clock;
-	chan->algo.getsda = get_data;
-	chan->algo.getscl = get_clock;
-	chan->algo.udelay = 20;
-	chan->algo.timeout = usecs_to_jiffies(2200);
-	chan->algo.data = chan;
-
-	i2c_set_adapdata(&chan->adapter, chan);
-
-	if (i2c_bit_add_bus(&chan->adapter))
-		goto out_free;
-
-	/* JJJ:  raise SCL and SDA? */
-	set_data(chan, 1);
-	set_clock(chan, 1);
-	udelay(20);
-
-	return chan;
-
-out_free:
-	kfree(chan);
-	return NULL;
-}
-
-/**
- * psb_intel_i2c_destroy - unregister and free i2c bus resources
- * @output: channel to free
- *
- * Unregister the adapter from the i2c layer, then free the structure.
- */
-void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan)
-{
-	if (!chan)
-		return;
-
-	i2c_del_adapter(&chan->adapter);
-	kfree(chan);
-}
diff --git a/drivers/staging/gma500/intel_opregion.c b/drivers/staging/gma500/intel_opregion.c
deleted file mode 100644
index d946bc1b17bf..000000000000
--- a/drivers/staging/gma500/intel_opregion.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * FIXME: resolve with the i915 version
- */
-
-#include "psb_drv.h"
-
-struct opregion_header {
-	u8 signature[16];
-	u32 size;
-	u32 opregion_ver;
-	u8 bios_ver[32];
-	u8 vbios_ver[16];
-	u8 driver_ver[16];
-	u32 mboxes;
-	u8 reserved[164];
-} __packed;
-
-struct opregion_apci {
-	/*FIXME: add it later*/
-} __packed;
-
-struct opregion_swsci {
-	/*FIXME: add it later*/
-} __packed;
-
-struct opregion_acpi {
-	/*FIXME: add it later*/
-} __packed;
-
-int gma_intel_opregion_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 opregion_phy;
-	void *base;
-	u32 *lid_state;
-
-	dev_priv->lid_state = NULL;
-
-	pci_read_config_dword(dev->pdev, 0xfc, &opregion_phy);
-	if (opregion_phy == 0)
-		return -ENOTSUPP;
-
-	base = ioremap(opregion_phy, 8*1024);
-	if (!base)
-		return -ENOMEM;
-
-	lid_state = base + 0x01ac;
-
-	dev_priv->lid_state = lid_state;
-	dev_priv->lid_last_state = readl(lid_state);
-	return 0;
-}
-
-int gma_intel_opregion_exit(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	if (dev_priv->lid_state)
-		iounmap(dev_priv->lid_state);
-	return 0;
-}
diff --git a/drivers/staging/gma500/mdfld_device.c b/drivers/staging/gma500/mdfld_device.c
deleted file mode 100644
index f47aeb7a2039..000000000000
--- a/drivers/staging/gma500/mdfld_device.c
+++ /dev/null
@@ -1,714 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_output.h"
-#include "mid_bios.h"
-
-/*
- *	Provide the Medfield specific backlight management
- */
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-static int mdfld_brightness;
-struct backlight_device *mdfld_backlight_device;
-
-static int mfld_set_brightness(struct backlight_device *bd)
-{
-	struct drm_device *dev = bl_get_data(mdfld_backlight_device);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int level = bd->props.brightness;
-
-	/* Percentage 1-100% being valid */
-	if (level < 1)
-		level = 1;
-
-	if (gma_power_begin(dev, 0)) {
-		/* Calculate and set the brightness value */
-		u32 adjusted_level;
-
-		/* Adjust the backlight level with the percent in
-		 * dev_priv->blc_adj2;
-		 */
-		adjusted_level = level * dev_priv->blc_adj2;
-		adjusted_level = adjusted_level / 100;
-#if 0
-#ifndef CONFIG_MDFLD_DSI_DPU
-		if(!(dev_priv->dsr_fb_update & MDFLD_DSR_MIPI_CONTROL) && 
-			(dev_priv->dbi_panel_on || dev_priv->dbi_panel_on2)){
-			mdfld_dsi_dbi_exit_dsr(dev,MDFLD_DSR_MIPI_CONTROL, 0, 0);
-			dev_dbg(dev->dev, "Out of DSR before set brightness to %d.\n",adjusted_level);
-		}
-#endif
-		mdfld_dsi_brightness_control(dev, 0, adjusted_level);
-
-		if ((dev_priv->dbi_panel_on2) || (dev_priv->dpi_panel_on2))
-			mdfld_dsi_brightness_control(dev, 2, adjusted_level);
-#endif
-		gma_power_end(dev);
-	}
-	mdfld_brightness = level;
-	return 0;
-}
-
-int psb_get_brightness(struct backlight_device *bd)
-{
-	/* return locally cached var instead of HW read (due to DPST etc.) */
-	/* FIXME: ideally return actual value in case firmware fiddled with
-	   it */
-	return mdfld_brightness;
-}
-
-static const struct backlight_ops mfld_ops = {
-	.get_brightness = psb_get_brightness,
-	.update_status  = mfld_set_brightness,
-};
-
-static int mdfld_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct backlight_properties props;
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.max_brightness = 100;
-	props.type = BACKLIGHT_PLATFORM;
-
-	mdfld_backlight_device = backlight_device_register("mfld-bl",
-					NULL, (void *)dev, &mfld_ops, &props);
-					
-	if (IS_ERR(mdfld_backlight_device))
-		return PTR_ERR(mdfld_backlight_device);
-
-	dev_priv->blc_adj1 = 100;
-	dev_priv->blc_adj2 = 100;
-	mdfld_backlight_device->props.brightness = 100;
-	mdfld_backlight_device->props.max_brightness = 100;
-	backlight_update_status(mdfld_backlight_device);
-	dev_priv->backlight_device = mdfld_backlight_device;
-	return 0;
-}
-
-#endif
-
-/*
- *	Provide the Medfield specific chip logic and low level methods for
- *	power management.
- */
-
-static void mdfld_init_pm(struct drm_device *dev)
-{
-	/* No work needed here yet */
-}
-
-/**
- * mdfld_save_display_registers	-	save registers for pipe
- * @dev: our device
- * @pipe: pipe to save
- *
- * Save the pipe state of the device before we power it off. Keep everything
- * we need to put it back again
- */
-static int mdfld_save_display_registers(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int i;
-
-	/* register */
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 fp_reg = MRST_FPA0;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 htot_reg = HTOTAL_A;
-	u32 hblank_reg = HBLANK_A;
-	u32 hsync_reg = HSYNC_A;
-	u32 vtot_reg = VTOTAL_A;
-	u32 vblank_reg = VBLANK_A;
-	u32 vsync_reg = VSYNC_A;
-	u32 pipesrc_reg = PIPEASRC;
-	u32 dspstride_reg = DSPASTRIDE;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dsptileoff_reg = DSPATILEOFF;
-	u32 dspsize_reg = DSPASIZE;
-	u32 dsppos_reg = DSPAPOS;
-	u32 dspsurf_reg = DSPASURF;
-	u32 mipi_reg = MIPI;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 dspstatus_reg = PIPEASTAT;
-	u32 palette_reg = PALETTE_A;
-
-	/* pointer to values */
-	u32 *dpll_val = &dev_priv->saveDPLL_A;
-	u32 *fp_val = &dev_priv->saveFPA0;
-	u32 *pipeconf_val = &dev_priv->savePIPEACONF;
-	u32 *htot_val = &dev_priv->saveHTOTAL_A;
-	u32 *hblank_val = &dev_priv->saveHBLANK_A;
-	u32 *hsync_val = &dev_priv->saveHSYNC_A;
-	u32 *vtot_val = &dev_priv->saveVTOTAL_A;
-	u32 *vblank_val = &dev_priv->saveVBLANK_A;
-	u32 *vsync_val = &dev_priv->saveVSYNC_A;
-	u32 *pipesrc_val = &dev_priv->savePIPEASRC;
-	u32 *dspstride_val = &dev_priv->saveDSPASTRIDE;
-	u32 *dsplinoff_val = &dev_priv->saveDSPALINOFF;
-	u32 *dsptileoff_val = &dev_priv->saveDSPATILEOFF;
-	u32 *dspsize_val = &dev_priv->saveDSPASIZE;
-	u32 *dsppos_val = &dev_priv->saveDSPAPOS;
-	u32 *dspsurf_val = &dev_priv->saveDSPASURF;
-	u32 *mipi_val = &dev_priv->saveMIPI;
-	u32 *dspcntr_val = &dev_priv->saveDSPACNTR;
-	u32 *dspstatus_val = &dev_priv->saveDSPASTATUS;
-	u32 *palette_val = dev_priv->save_palette_a;
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		/* register */
-		dpll_reg = MDFLD_DPLL_B;
-		fp_reg = MDFLD_DPLL_DIV0;
-		pipeconf_reg = PIPEBCONF;
-		htot_reg = HTOTAL_B;
-		hblank_reg = HBLANK_B;
-		hsync_reg = HSYNC_B;
-		vtot_reg = VTOTAL_B;
-		vblank_reg = VBLANK_B;
-		vsync_reg = VSYNC_B;
-		pipesrc_reg = PIPEBSRC;
-		dspstride_reg = DSPBSTRIDE;
-		dsplinoff_reg = DSPBLINOFF;
-		dsptileoff_reg = DSPBTILEOFF;
-		dspsize_reg = DSPBSIZE;
-		dsppos_reg = DSPBPOS;
-		dspsurf_reg = DSPBSURF;
-		dspcntr_reg = DSPBCNTR;
-		dspstatus_reg = PIPEBSTAT;
-		palette_reg = PALETTE_B;
-
-		/* values */
-		dpll_val = &dev_priv->saveDPLL_B;
-		fp_val = &dev_priv->saveFPB0;
-		pipeconf_val = &dev_priv->savePIPEBCONF;
-		htot_val = &dev_priv->saveHTOTAL_B;
-		hblank_val = &dev_priv->saveHBLANK_B;
-		hsync_val = &dev_priv->saveHSYNC_B;
-		vtot_val = &dev_priv->saveVTOTAL_B;
-		vblank_val = &dev_priv->saveVBLANK_B;
-		vsync_val = &dev_priv->saveVSYNC_B;
-		pipesrc_val = &dev_priv->savePIPEBSRC;
-		dspstride_val = &dev_priv->saveDSPBSTRIDE;
-		dsplinoff_val = &dev_priv->saveDSPBLINOFF;
-		dsptileoff_val = &dev_priv->saveDSPBTILEOFF;
-		dspsize_val = &dev_priv->saveDSPBSIZE;
-		dsppos_val = &dev_priv->saveDSPBPOS;
-		dspsurf_val = &dev_priv->saveDSPBSURF;
-		dspcntr_val = &dev_priv->saveDSPBCNTR;
-		dspstatus_val = &dev_priv->saveDSPBSTATUS;
-		palette_val = dev_priv->save_palette_b;
-		break;
-	case 2:
-		/* register */
-		pipeconf_reg = PIPECCONF;
-		htot_reg = HTOTAL_C;
-		hblank_reg = HBLANK_C;
-		hsync_reg = HSYNC_C;
-		vtot_reg = VTOTAL_C;
-		vblank_reg = VBLANK_C;
-		vsync_reg = VSYNC_C;
-		pipesrc_reg = PIPECSRC;
-		dspstride_reg = DSPCSTRIDE;
-		dsplinoff_reg = DSPCLINOFF;
-		dsptileoff_reg = DSPCTILEOFF;
-		dspsize_reg = DSPCSIZE;
-		dsppos_reg = DSPCPOS;
-		dspsurf_reg = DSPCSURF;
-		mipi_reg = MIPI_C;
-		dspcntr_reg = DSPCCNTR;
-		dspstatus_reg = PIPECSTAT;
-		palette_reg = PALETTE_C;
-
-		/* pointer to values */
-		pipeconf_val = &dev_priv->savePIPECCONF;
-		htot_val = &dev_priv->saveHTOTAL_C;
-		hblank_val = &dev_priv->saveHBLANK_C;
-		hsync_val = &dev_priv->saveHSYNC_C;
-		vtot_val = &dev_priv->saveVTOTAL_C;
-		vblank_val = &dev_priv->saveVBLANK_C;
-		vsync_val = &dev_priv->saveVSYNC_C;
-		pipesrc_val = &dev_priv->savePIPECSRC;
-		dspstride_val = &dev_priv->saveDSPCSTRIDE;
-		dsplinoff_val = &dev_priv->saveDSPCLINOFF;
-		dsptileoff_val = &dev_priv->saveDSPCTILEOFF;
-		dspsize_val = &dev_priv->saveDSPCSIZE;
-		dsppos_val = &dev_priv->saveDSPCPOS;
-		dspsurf_val = &dev_priv->saveDSPCSURF;
-		mipi_val = &dev_priv->saveMIPI_C;
-		dspcntr_val = &dev_priv->saveDSPCCNTR;
-		dspstatus_val = &dev_priv->saveDSPCSTATUS;
-		palette_val = dev_priv->save_palette_c;
-		break;
-	default:
-		DRM_ERROR("%s, invalid pipe number.\n", __func__);
-		return -EINVAL;
-	}
-
-	/* Pipe & plane A info */
-	*dpll_val = PSB_RVDC32(dpll_reg);
-	*fp_val = PSB_RVDC32(fp_reg);
-	*pipeconf_val = PSB_RVDC32(pipeconf_reg);
-	*htot_val = PSB_RVDC32(htot_reg);
-	*hblank_val = PSB_RVDC32(hblank_reg);
-	*hsync_val = PSB_RVDC32(hsync_reg);
-	*vtot_val = PSB_RVDC32(vtot_reg);
-	*vblank_val = PSB_RVDC32(vblank_reg);
-	*vsync_val = PSB_RVDC32(vsync_reg);
-	*pipesrc_val = PSB_RVDC32(pipesrc_reg);
-	*dspstride_val = PSB_RVDC32(dspstride_reg);
-	*dsplinoff_val = PSB_RVDC32(dsplinoff_reg);
-	*dsptileoff_val = PSB_RVDC32(dsptileoff_reg);
-	*dspsize_val = PSB_RVDC32(dspsize_reg);
-	*dsppos_val = PSB_RVDC32(dsppos_reg);
-	*dspsurf_val = PSB_RVDC32(dspsurf_reg);
-	*dspcntr_val = PSB_RVDC32(dspcntr_reg);
-	*dspstatus_val = PSB_RVDC32(dspstatus_reg);
-
-	/*save palette (gamma) */
-	for (i = 0; i < 256; i++)
-		palette_val[i] = PSB_RVDC32(palette_reg + (i<<2));
-
-	if (pipe == 1) {
-		dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
-		dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
-		dev_priv->saveHDMIPHYMISCCTL = PSB_RVDC32(HDMIPHYMISCCTL);
-		dev_priv->saveHDMIB_CONTROL = PSB_RVDC32(HDMIB_CONTROL);
-		return 0;
-	}
-	*mipi_val = PSB_RVDC32(mipi_reg);
-	return 0;
-}
-
-/**
- * mdfld_save_cursor_overlay_registers	-	save cursor overlay info
- * @dev: our device
- *
- * Save the cursor and overlay register state
- */
-static int mdfld_save_cursor_overlay_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/* Save cursor regs */
-	dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
-	dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
-	dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
-
-	dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR);
-	dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE);
-	dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS);
-
-	dev_priv->saveDSPCCURSOR_CTRL = PSB_RVDC32(CURCCNTR);
-	dev_priv->saveDSPCCURSOR_BASE = PSB_RVDC32(CURCBASE);
-	dev_priv->saveDSPCCURSOR_POS = PSB_RVDC32(CURCPOS);
-
-	/* HW overlay */
-	dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD);
-	dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
-	dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
-	dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
-	dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
-	dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
-	dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-
-	dev_priv->saveOV_OVADD_C = PSB_RVDC32(OV_OVADD + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC0_C = PSB_RVDC32(OV_OGAMC0 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC1_C = PSB_RVDC32(OV_OGAMC1 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC2_C = PSB_RVDC32(OV_OGAMC2 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC3_C = PSB_RVDC32(OV_OGAMC3 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC4_C = PSB_RVDC32(OV_OGAMC4 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC5_C = PSB_RVDC32(OV_OGAMC5 + OV_C_OFFSET);
-
-	return 0;
-}
-/*
- * mdfld_restore_display_registers	-	restore the state of a pipe
- * @dev: our device
- * @pipe: the pipe to restore
- *
- * Restore the state of a pipe to that which was saved by the register save
- * functions.
- */
-static int mdfld_restore_display_registers(struct drm_device *dev, int pipe)
-{
-	/* To get  panel out of ULPS mode */
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dsi_config *dsi_config = NULL;
-	u32 i = 0;
-	u32 dpll = 0;
-	u32 timeout = 0;
-	u32 reg_offset = 0;
-
-	/* register */
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 fp_reg = MRST_FPA0;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 htot_reg = HTOTAL_A;
-	u32 hblank_reg = HBLANK_A;
-	u32 hsync_reg = HSYNC_A;
-	u32 vtot_reg = VTOTAL_A;
-	u32 vblank_reg = VBLANK_A;
-	u32 vsync_reg = VSYNC_A;
-	u32 pipesrc_reg = PIPEASRC;
-	u32 dspstride_reg = DSPASTRIDE;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dsptileoff_reg = DSPATILEOFF;
-	u32 dspsize_reg = DSPASIZE;
-	u32 dsppos_reg = DSPAPOS;
-	u32 dspsurf_reg = DSPASURF;
-	u32 dspstatus_reg = PIPEASTAT;
-	u32 mipi_reg = MIPI;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 palette_reg = PALETTE_A;
-
-	/* values */
-	u32 dpll_val = dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE;
-	u32 fp_val = dev_priv->saveFPA0;
-	u32 pipeconf_val = dev_priv->savePIPEACONF;
-	u32 htot_val = dev_priv->saveHTOTAL_A;
-	u32 hblank_val = dev_priv->saveHBLANK_A;
-	u32 hsync_val = dev_priv->saveHSYNC_A;
-	u32 vtot_val = dev_priv->saveVTOTAL_A;
-	u32 vblank_val = dev_priv->saveVBLANK_A;
-	u32 vsync_val = dev_priv->saveVSYNC_A;
-	u32 pipesrc_val = dev_priv->savePIPEASRC;
-	u32 dspstride_val = dev_priv->saveDSPASTRIDE;
-	u32 dsplinoff_val = dev_priv->saveDSPALINOFF;
-	u32 dsptileoff_val = dev_priv->saveDSPATILEOFF;
-	u32 dspsize_val = dev_priv->saveDSPASIZE;
-	u32 dsppos_val = dev_priv->saveDSPAPOS;
-	u32 dspsurf_val = dev_priv->saveDSPASURF;
-	u32 dspstatus_val = dev_priv->saveDSPASTATUS;
-	u32 mipi_val = dev_priv->saveMIPI;
-	u32 dspcntr_val = dev_priv->saveDSPACNTR;
-	u32 *palette_val = dev_priv->save_palette_a;
-
-	switch (pipe) {
-	case 0:
-		dsi_config = dev_priv->dsi_configs[0];
-		break;
-	case 1:
-		/* register */
-		dpll_reg = MDFLD_DPLL_B;
-		fp_reg = MDFLD_DPLL_DIV0;
-		pipeconf_reg = PIPEBCONF;
-		htot_reg = HTOTAL_B;
-		hblank_reg = HBLANK_B;
-		hsync_reg = HSYNC_B;
-		vtot_reg = VTOTAL_B;
-		vblank_reg = VBLANK_B;
-		vsync_reg = VSYNC_B;
-		pipesrc_reg = PIPEBSRC;
-		dspstride_reg = DSPBSTRIDE;
-		dsplinoff_reg = DSPBLINOFF;
-		dsptileoff_reg = DSPBTILEOFF;
-		dspsize_reg = DSPBSIZE;
-		dsppos_reg = DSPBPOS;
-		dspsurf_reg = DSPBSURF;
-		dspcntr_reg = DSPBCNTR;
-		palette_reg = PALETTE_B;
-		dspstatus_reg = PIPEBSTAT;
-
-		/* values */
-		dpll_val = dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE;
-		fp_val = dev_priv->saveFPB0;
-		pipeconf_val = dev_priv->savePIPEBCONF;
-		htot_val = dev_priv->saveHTOTAL_B;
-		hblank_val = dev_priv->saveHBLANK_B;
-		hsync_val = dev_priv->saveHSYNC_B;
-		vtot_val = dev_priv->saveVTOTAL_B;
-		vblank_val = dev_priv->saveVBLANK_B;
-		vsync_val = dev_priv->saveVSYNC_B;
-		pipesrc_val = dev_priv->savePIPEBSRC;
-		dspstride_val = dev_priv->saveDSPBSTRIDE;
-		dsplinoff_val = dev_priv->saveDSPBLINOFF;
-		dsptileoff_val = dev_priv->saveDSPBTILEOFF;
-		dspsize_val = dev_priv->saveDSPBSIZE;
-		dsppos_val = dev_priv->saveDSPBPOS;
-		dspsurf_val = dev_priv->saveDSPBSURF;
-		dspcntr_val = dev_priv->saveDSPBCNTR;
-		dspstatus_val = dev_priv->saveDSPBSTATUS;
-		palette_val = dev_priv->save_palette_b;
-		break;
-	case 2:
-		reg_offset = MIPIC_REG_OFFSET;
-
-		/* register */
-		pipeconf_reg = PIPECCONF;
-		htot_reg = HTOTAL_C;
-		hblank_reg = HBLANK_C;
-		hsync_reg = HSYNC_C;
-		vtot_reg = VTOTAL_C;
-		vblank_reg = VBLANK_C;
-		vsync_reg = VSYNC_C;
-		pipesrc_reg = PIPECSRC;
-		dspstride_reg = DSPCSTRIDE;
-		dsplinoff_reg = DSPCLINOFF;
-		dsptileoff_reg = DSPCTILEOFF;
-		dspsize_reg = DSPCSIZE;
-		dsppos_reg = DSPCPOS;
-		dspsurf_reg = DSPCSURF;
-		mipi_reg = MIPI_C;
-		dspcntr_reg = DSPCCNTR;
-		palette_reg = PALETTE_C;
-		dspstatus_reg = PIPECSTAT;
-
-		/* values */
-		pipeconf_val = dev_priv->savePIPECCONF;
-		htot_val = dev_priv->saveHTOTAL_C;
-		hblank_val = dev_priv->saveHBLANK_C;
-		hsync_val = dev_priv->saveHSYNC_C;
-		vtot_val = dev_priv->saveVTOTAL_C;
-		vblank_val = dev_priv->saveVBLANK_C;
-		vsync_val = dev_priv->saveVSYNC_C;
-		pipesrc_val = dev_priv->savePIPECSRC;
-		dspstride_val = dev_priv->saveDSPCSTRIDE;
-		dsplinoff_val = dev_priv->saveDSPCLINOFF;
-		dsptileoff_val = dev_priv->saveDSPCTILEOFF;
-		dspsize_val = dev_priv->saveDSPCSIZE;
-		dsppos_val = dev_priv->saveDSPCPOS;
-		dspsurf_val = dev_priv->saveDSPCSURF;
-		dspstatus_val = dev_priv->saveDSPCSTATUS;
-		mipi_val = dev_priv->saveMIPI_C;
-		dspcntr_val = dev_priv->saveDSPCCNTR;
-		palette_val = dev_priv->save_palette_c;
-
-		dsi_config = dev_priv->dsi_configs[1];
-		break;
-	default:
-		DRM_ERROR("%s, invalid pipe number.\n", __func__);
-		return -EINVAL;
-	}
-
-	/* Make sure VGA plane is off. it initializes to on after reset!*/
-	PSB_WVDC32(0x80000000, VGACNTRL);
-	if (pipe == 1) {
-		PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, dpll_reg);
-		PSB_RVDC32(dpll_reg);
-
-		PSB_WVDC32(fp_val, fp_reg);
-	} else {
-		dpll = PSB_RVDC32(dpll_reg);
-
-		if (!(dpll & DPLL_VCO_ENABLE)) {
-
-			/* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
-			if (dpll & MDFLD_PWR_GATE_EN) {
-				dpll &= ~MDFLD_PWR_GATE_EN;
-				PSB_WVDC32(dpll, dpll_reg);
-				udelay(500);	/* FIXME: 1 ? */
-			}
-
-			PSB_WVDC32(fp_val, fp_reg);
-			PSB_WVDC32(dpll_val, dpll_reg);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-
-			dpll_val |= DPLL_VCO_ENABLE;
-			PSB_WVDC32(dpll_val, dpll_reg);
-			PSB_RVDC32(dpll_reg);
-
-			/* wait for DSI PLL to lock */
-			while ((timeout < 20000) && !(PSB_RVDC32(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
-				udelay(150);
-				timeout++;
-			}
-
-			if (timeout == 20000) {
-				DRM_ERROR("%s, can't lock DSIPLL.\n",
-							__func__);
-				return -EINVAL;
-			}
-		}
-	}
-	/* Restore mode */
-	PSB_WVDC32(htot_val, htot_reg);
-	PSB_WVDC32(hblank_val, hblank_reg);
-	PSB_WVDC32(hsync_val, hsync_reg);
-	PSB_WVDC32(vtot_val, vtot_reg);
-	PSB_WVDC32(vblank_val, vblank_reg);
-	PSB_WVDC32(vsync_val, vsync_reg);
-	PSB_WVDC32(pipesrc_val, pipesrc_reg);
-	PSB_WVDC32(dspstatus_val, dspstatus_reg);
-
-	/* Set up the plane */
-	PSB_WVDC32(dspstride_val, dspstride_reg);
-	PSB_WVDC32(dsplinoff_val, dsplinoff_reg);
-	PSB_WVDC32(dsptileoff_val, dsptileoff_reg);
-	PSB_WVDC32(dspsize_val, dspsize_reg);
-	PSB_WVDC32(dsppos_val, dsppos_reg);
-	PSB_WVDC32(dspsurf_val, dspsurf_reg);
-
-	if (pipe == 1) {
-		PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL);
-		PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
-		PSB_WVDC32(dev_priv->saveHDMIPHYMISCCTL, HDMIPHYMISCCTL);
-		PSB_WVDC32(dev_priv->saveHDMIB_CONTROL, HDMIB_CONTROL);
-
-	} else {
-		/* Set up pipe related registers */
-		PSB_WVDC32(mipi_val, mipi_reg);
-		/* Setup MIPI adapter + MIPI IP registers */
-		mdfld_dsi_controller_init(dsi_config, pipe);
-		msleep(20);
-	}
-	/* Enable the plane */
-	PSB_WVDC32(dspcntr_val, dspcntr_reg);
-	msleep(20);
-	/* Enable the pipe */
-	PSB_WVDC32(pipeconf_val, pipeconf_reg);
-
-	for (i = 0; i < 256; i++)
-		PSB_WVDC32(palette_val[i], palette_reg + (i<<2));
-	if (pipe == 1)
-		return 0;
-	if (!mdfld_panel_dpi(dev))
-		mdfld_enable_te(dev, pipe);
-	return 0;
-}
-
-/**
- * mdfld_restore_cursor_overlay_registers	-	restore cursor
- * @dev: our device
- *
- * Restore the cursor and overlay state that was saved earlier
- */
-static int mdfld_restore_cursor_overlay_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/* Enable Cursor A */
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR);
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS);
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE);
-
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR);
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS);
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE);
-
-	PSB_WVDC32(dev_priv->saveDSPCCURSOR_CTRL, CURCCNTR);
-	PSB_WVDC32(dev_priv->saveDSPCCURSOR_POS, CURCPOS);
-	PSB_WVDC32(dev_priv->saveDSPCCURSOR_BASE, CURCBASE);
-
-	/* Restore HW overlay */
-	PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5);
-
-	PSB_WVDC32(dev_priv->saveOV_OVADD_C, OV_OVADD + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC0_C, OV_OGAMC0 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC1_C, OV_OGAMC1 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC2_C, OV_OGAMC2 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC3_C, OV_OGAMC3 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC4_C, OV_OGAMC4 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC5_C, OV_OGAMC5 + OV_C_OFFSET);
-
-	return 0;
-}
-
-/**
- *	mdfld_save_display_registers	-	save registers lost on suspend
- *	@dev: our DRM device
- *
- *	Save the state we need in order to be able to restore the interface
- *	upon resume from suspend
- */
-static int mdfld_save_registers(struct drm_device *dev)
-{
-	/* FIXME: We need to shut down panels here if using them
-	   and once the right bits are merged */
-	mdfld_save_cursor_overlay_registers(dev);
-	mdfld_save_display_registers(dev, 0);
-	mdfld_save_display_registers(dev, 0);
-	mdfld_save_display_registers(dev, 2);
-	mdfld_save_display_registers(dev, 1);
-	mdfld_disable_crtc(dev, 0);
-	mdfld_disable_crtc(dev, 2);
-	mdfld_disable_crtc(dev, 1);
-	return 0;
-}
-
-/**
- *	mdfld_restore_display_registers	-	restore lost register state
- *	@dev: our DRM device
- *
- *	Restore register state that was lost during suspend and resume.
- */
-static int mdfld_restore_registers(struct drm_device *dev)
-{
-	mdfld_restore_display_registers(dev, 1);
-	mdfld_restore_display_registers(dev, 0);
-	mdfld_restore_display_registers(dev, 2);
-	mdfld_restore_cursor_overlay_registers(dev);
-	return 0;
-}
-
-static int mdfld_power_down(struct drm_device *dev)
-{
-	/* FIXME */
-	return 0;
-}
-
-static int mdfld_power_up(struct drm_device *dev)
-{
-	/* FIXME */
-	return 0;
-}
-
-const struct psb_ops mdfld_chip_ops = {
-	.name = "Medfield",
-	.accel_2d = 0,
-	.pipes = 3,
-	.crtcs = 2,
-	.sgx_offset = MRST_SGX_OFFSET,
-
-	.chip_setup = mid_chip_setup,
-
-	.crtc_helper = &mdfld_helper_funcs,
-	.crtc_funcs = &mdfld_intel_crtc_funcs,
-
-	.output_init = mdfld_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = mdfld_backlight_init,
-#endif
-
-	.init_pm = mdfld_init_pm,
-	.save_regs = mdfld_save_registers,
-	.restore_regs = mdfld_restore_registers,
-	.power_down = mdfld_power_down,
-	.power_up = mdfld_power_up,
-};
-
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.c b/drivers/staging/gma500/mdfld_dsi_dbi.c
deleted file mode 100644
index fd211f3467c4..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi.c
+++ /dev/null
@@ -1,761 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *  jim liu <jim.liu@intel.com>
- *  Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-int enable_gfx_rtpm;
-
-extern struct drm_device *gpDrmDevice;
-extern int gfxrtdelay;
-int enter_dsr;
-struct mdfld_dsi_dbi_output *gdbi_output;
-extern bool gbgfxsuspended;
-extern int enable_gfx_rtpm;
-extern int gfxrtdelay;
-
-#define MDFLD_DSR_MAX_IDLE_COUNT	2
-
-/*
- * set refreshing area
- */
-int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output,
-				u16 x1, u16 y1, u16 x2, u16 y2)
-{
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	u8 param[4];
-	u8 cmd;
-	int err;
-
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	/* Set column */
-	cmd = DCS_SET_COLUMN_ADDRESS;
-	param[0] = x1 >> 8;
-	param[1] = x1;
-	param[2] = x2 >> 8;
-	param[3] = x2;
-
-	err = mdfld_dsi_send_dcs(sender,
-				 cmd,
-				 param,
-				 4,
-				 CMD_DATA_SRC_SYSTEM_MEM,
-				 MDFLD_DSI_QUEUE_PACKAGE);
-	if (err) {
-		dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd);
-		goto err_out;
-	}
-
-	/* Set page */
-	cmd = DCS_SET_PAGE_ADDRESS;
-	param[0] = y1 >> 8;
-	param[1] = y1;
-	param[2] = y2 >> 8;
-	param[3] = y2;
-
-	err = mdfld_dsi_send_dcs(sender,
-				 cmd,
-				 param,
-				 4,
-				 CMD_DATA_SRC_SYSTEM_MEM,
-				 MDFLD_DSI_QUEUE_PACKAGE);
-	if (err) {
-		dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd);
-		goto err_out;
-	}
-
-	/*update screen*/
-	err = mdfld_dsi_send_dcs(sender,
-				 write_mem_start,
-				 NULL,
-				 0,
-				 CMD_DATA_SRC_PIPE,
-				 MDFLD_DSI_QUEUE_PACKAGE);
-	if (err) {
-		dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd);
-		goto err_out;
-	}
-	mdfld_dsi_cmds_kick_out(sender);
-err_out:
-	return err;
-}
-
-/*
- * set panel's power state
- */
-int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output,
-								int mode)
-{
-	struct drm_device *dev = dbi_output->dev;
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	u8 param = 0;
-	u32 err = 0;
-
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	if (mode == DRM_MODE_DPMS_ON) {
-		/* Exit sleep mode */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_EXIT_SLEEP_MODE,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-						DCS_EXIT_SLEEP_MODE);
-			goto power_err;
-		}
-
-		/* Set display on */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_SET_DISPLAY_ON,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-							DCS_SET_DISPLAY_ON);
-			goto power_err;
-		}
-
-		/* set tear effect on */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_SET_TEAR_ON,
-					 &param,
-					 1,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-							set_tear_on);
-			goto power_err;
-		}
-
-		/**
-		 * FIXME: remove this later
-		 */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_WRITE_MEM_START,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_PIPE,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-						DCS_WRITE_MEM_START);
-			goto power_err;
-		}
-	} else {
-		/* Set tear effect off */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_SET_TEAR_OFF,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-							DCS_SET_TEAR_OFF);
-			goto power_err;
-		}
-
-		/* Turn display off */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_SET_DISPLAY_OFF,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-						DCS_SET_DISPLAY_OFF);
-			goto power_err;
-		}
-
-		/* Now enter sleep mode */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_ENTER_SLEEP_MODE,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-							DCS_ENTER_SLEEP_MODE);
-			goto power_err;
-		}
-	}
-	mdfld_dsi_cmds_kick_out(sender);
-power_err:
-	return err;
-}
-
-/*
- * send a generic DCS command with a parameter list
- */
-int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output,
-			u8 dcs,  u8 *param, u32 num, u8 data_src)
-{
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	int ret;
-
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	ret = mdfld_dsi_send_dcs(sender,
-				 dcs,
-				 param,
-				 num,
-				 data_src,
-				 MDFLD_DSI_SEND_PACKAGE);
-
-	return ret;
-}
-
-/*
- * Enter DSR
- */
-void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output, int pipe)
-{
-	u32 reg_val;
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ?
-					to_psb_intel_crtc(crtc) : NULL;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dspcntr_reg = DSPACNTR;
-
-	if (!dbi_output)
-		return;
-
-	/* FIXME check if can go */
-	dev_priv->is_in_idle = true;
-
-	gdbi_output = dbi_output;
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
-		return;
-
-	if (pipe == 2) {
-		dpll_reg = MRST_DPLL_A;
-		pipeconf_reg = PIPECCONF;
-		dspcntr_reg = DSPCCNTR;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-	/* Disable te interrupts */
-	mdfld_disable_te(dev, pipe);
-
-	/* Disable plane */
-	reg_val = REG_READ(dspcntr_reg);
-	if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-		REG_WRITE(dspcntr_reg, reg_val & ~DISPLAY_PLANE_ENABLE);
-		REG_READ(dspcntr_reg);
-	}
-
-	/* Disable pipe */
-	reg_val = REG_READ(pipeconf_reg);
-	if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-		reg_val &= ~DISPLAY_PLANE_ENABLE;
-		reg_val |= (PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF);
-		REG_WRITE(pipeconf_reg, reg_val);
-		REG_READ(pipeconf_reg);
-		mdfldWaitForPipeDisable(dev, pipe);
-	}
-
-	/* Disable DPLL */
-	reg_val = REG_READ(dpll_reg);
-	if (!(reg_val & DPLL_VCO_ENABLE)) {
-		reg_val &= ~DPLL_VCO_ENABLE;
-		REG_WRITE(dpll_reg, reg_val);
-		REG_READ(dpll_reg);
-		udelay(500);
-	}
-
-	gma_power_end(dev);
-	dbi_output->mode_flags |= MODE_SETTING_IN_DSR;
-	if (pipe == 2) {
-		enter_dsr = 1;
-		/* pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay); */
-	}
-}
-
-static void mdfld_dbi_output_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output,
-			int pipe)
-{
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ?
-					to_psb_intel_crtc(crtc) : NULL;
-	u32 reg_val;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 reg_offset = 0;
-
-	/*if mode setting on-going, back off*/
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
-		return;
-
-	if (pipe == 2) {
-		dpll_reg = MRST_DPLL_A;
-		pipeconf_reg = PIPECCONF;
-		dspcntr_reg = DSPCCNTR;
-		reg_offset = MIPIC_REG_OFFSET;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	/* Enable DPLL */
-	reg_val = REG_READ(dpll_reg);
-	if (!(reg_val & DPLL_VCO_ENABLE)) {
-		if (reg_val & MDFLD_PWR_GATE_EN) {
-			reg_val &= ~MDFLD_PWR_GATE_EN;
-			REG_WRITE(dpll_reg, reg_val);
-			REG_READ(dpll_reg);
-			udelay(500);
-		}
-
-		reg_val |= DPLL_VCO_ENABLE;
-		REG_WRITE(dpll_reg, reg_val);
-		REG_READ(dpll_reg);
-		udelay(500);
-
-		/* Add timeout */
-		while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK))
-			cpu_relax();
-	}
-
-	/* Enable pipe */
-	reg_val = REG_READ(pipeconf_reg);
-	if (!(reg_val & PIPEACONF_ENABLE)) {
-		reg_val |= PIPEACONF_ENABLE;
-		REG_WRITE(pipeconf_reg, reg_val);
-		REG_READ(pipeconf_reg);
-		udelay(500);
-		mdfldWaitForPipeEnable(dev, pipe);
-	}
-
-	/* Enable plane */
-	reg_val = REG_READ(dspcntr_reg);
-	if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-		reg_val |= DISPLAY_PLANE_ENABLE;
-		REG_WRITE(dspcntr_reg, reg_val);
-		REG_READ(dspcntr_reg);
-		udelay(500);
-	}
-
-	/* Enable TE interrupt on this pipe */
-	mdfld_enable_te(dev, pipe);
-	gma_power_end(dev);
-
-	/*clean IN_DSR flag*/
-	dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
-}
-
-/*
- * Exit from DSR
- */
-void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-	struct mdfld_dsi_dbi_output **dbi_output;
-	int i;
-	int pipe;
-
-	/* FIXME can go ? */
-	dev_priv->is_in_idle = false;
-	dbi_output = dsr_info->dbi_outputs;
-
-#ifdef CONFIG_PM_RUNTIME
-	 if (!enable_gfx_rtpm) {
-/*                pm_runtime_allow(&gpDrmDevice->pdev->dev); */
-/*		schedule_delayed_work(&rtpm_work, 30 * 1000);*/ /* FIXME: HZ ? */
-	}
-#endif
-
-	/* For each output, exit dsr */
-	for (i = 0; i < dsr_info->dbi_output_num; i++) {
-		/* If panel has been turned off, skip */
-		if (!dbi_output[i] || !dbi_output[i]->dbi_panel_on)
-			continue;
-		pipe = dbi_output[i]->channel_num ? 2 : 0;
-		enter_dsr = 0;
-		mdfld_dbi_output_exit_dsr(dbi_output[i], pipe);
-	}
-	dev_priv->dsr_fb_update |= update_src;
-}
-
-static bool mdfld_dbi_is_in_dsr(struct drm_device *dev)
-{
-	if (REG_READ(MRST_DPLL_A) & DPLL_VCO_ENABLE)
-		return false;
-	if ((REG_READ(PIPEACONF) & PIPEACONF_ENABLE) ||
-	   (REG_READ(PIPECCONF) & PIPEACONF_ENABLE))
-		return false;
-	if ((REG_READ(DSPACNTR) & DISPLAY_PLANE_ENABLE) ||
-	   (REG_READ(DSPCCNTR) & DISPLAY_PLANE_ENABLE))
-		return false;
-
-	return true;
-}
-
-/* Periodically update dbi panel */
-void mdfld_dbi_update_panel(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-	struct mdfld_dsi_dbi_output **dbi_outputs;
-	struct mdfld_dsi_dbi_output *dbi_output;
-	int i;
-	int can_enter_dsr = 0;
-	u32 damage_mask;
-
-	dbi_outputs = dsr_info->dbi_outputs;
-	dbi_output = pipe ? dbi_outputs[1] : dbi_outputs[0];
-
-	if (!dbi_output)
-		return;
-
-	if (pipe == 0)
-		damage_mask = dev_priv->dsr_fb_update & MDFLD_DSR_DAMAGE_MASK_0;
-	else if (pipe == 2)
-		damage_mask = dev_priv->dsr_fb_update & MDFLD_DSR_DAMAGE_MASK_2;
-	else
-		return;
-
-	/* If FB is damaged and panel is on update on-panel FB */
-	if (damage_mask && dbi_output->dbi_panel_on) {
-		dbi_output->dsr_fb_update_done = false;
-
-		if (dbi_output->p_funcs->update_fb)
-			dbi_output->p_funcs->update_fb(dbi_output, pipe);
-
-		if (dev_priv->dsr_enable && dbi_output->dsr_fb_update_done)
-			dev_priv->dsr_fb_update &= ~damage_mask;
-
-		/*clean IN_DSR flag*/
-		dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
-
-		dbi_output->dsr_idle_count = 0;
-	} else {
-		dbi_output->dsr_idle_count++;
-	}
-
-	switch (dsr_info->dbi_output_num) {
-	case 1:
-		if (dbi_output->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT)
-			can_enter_dsr = 1;
-		break;
-	case 2:
-		if (dbi_outputs[0]->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT
-		   && dbi_outputs[1]->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT)
-			can_enter_dsr = 1;
-		break;
-	default:
-		DRM_ERROR("Wrong DBI output number\n");
-	}
-
-	/* Try to enter DSR */
-	if (can_enter_dsr) {
-		for (i = 0; i < dsr_info->dbi_output_num; i++) {
-			if (!mdfld_dbi_is_in_dsr(dev) && dbi_outputs[i] &&
-			   !(dbi_outputs[i]->mode_flags & MODE_SETTING_ON_GOING)) {
-				mdfld_dsi_dbi_enter_dsr(dbi_outputs[i],
-					dbi_outputs[i]->channel_num ? 2 : 0);
-#if 0
-				enter_dsr = 1;
-				pr_err("%s: enter_dsr = 1\n", __func__);
-#endif
-			}
-		}
-	/*schedule rpm suspend after gfxrtdelay*/
-#ifdef CONFIG_GFX_RTPM
-		if (!dev_priv->rpm_enabled
-			|| !enter_dsr
-	/*		|| (REG_READ(HDMIB_CONTROL) & HDMIB_PORT_EN) */
-			|| pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay))
-			dev_warn(dev->dev,
-				"Runtime PM schedule suspend failed, rpm %d\n",
-					dev_priv->rpm_enabled);
-#endif
-	}
-}
-
-int mdfld_dbi_dsr_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-
-	if (!dsr_info || IS_ERR(dsr_info)) {
-		dsr_info = kzalloc(sizeof(struct mdfld_dbi_dsr_info),
-								GFP_KERNEL);
-		if (!dsr_info) {
-			dev_err(dev->dev, "No memory\n");
-			return -ENOMEM;
-		}
-		dev_priv->dbi_dsr_info = dsr_info;
-	}
-	return 0;
-}
-
-void mdfld_dbi_dsr_exit(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-
-	if (dsr_info) {
-		kfree(dsr_info);
-		dev_priv->dbi_dsr_info = NULL;
-	}
-}
-
-void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
-								int pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	u32 val = 0;
-
-	dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe);
-
-	/* Un-ready device */
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-	/* Init dsi adapter before kicking off */
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-	/* TODO: figure out how to setup these registers */
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset),
-							0x000a0014);
-	REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400);
-	REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000001);
-	REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000);
-
-	/* Enable all interrupts */
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-	/* Max value: 20 clock cycles of txclkesc */
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f);
-	/* Min 21 txclkesc, max: ffffh */
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff);
-	/* Min: 7d0 max: 4e20 */
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0);
-
-	/* Set up func_prg */
-	val |= lane_count;
-	val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET);
-	val |= DSI_DBI_COLOR_FORMAT_OPTION2;
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff);
-
-	/* De-assert dbi_stall when half of DBI FIFO is empty */
-	/* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */
-
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-#if 0
-/*DBI encoder helper funcs*/
-static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = {
-	.dpms = mdfld_dsi_dbi_dpms,
-	.mode_fixup = mdfld_dsi_dbi_mode_fixup,
-	.prepare = mdfld_dsi_dbi_prepare,
-	.mode_set = mdfld_dsi_dbi_mode_set,
-	.commit = mdfld_dsi_dbi_commit,
-};
-
-/*DBI encoder funcs*/
-static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-#endif
-
-/*
- * Init DSI DBI encoder.
- * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
- * return pointer of newly allocated DBI encoder, NULL on error
- */
-struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev,
-				struct mdfld_dsi_connector *dsi_connector,
-				struct panel_funcs *p_funcs)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dsi_dbi_output *dbi_output = NULL;
-	struct mdfld_dsi_config *dsi_config;
-	struct drm_connector *connector = NULL;
-	struct drm_encoder *encoder = NULL;
-	struct drm_display_mode *fixed_mode = NULL;
-	struct psb_gtt *pg = dev_priv ? (&dev_priv->gtt) : NULL;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv ? (dev_priv->dbi_dpu_info) : NULL;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv ? (dev_priv->dbi_dsr_info) : NULL;
-	u32 data = 0;
-	int pipe;
-	int ret;
-
-	if (!pg || !dsi_connector || !p_funcs) {
-		WARN_ON(1);
-		return NULL;
-	}
-
-	dsi_config = mdfld_dsi_get_config(dsi_connector);
-	pipe = dsi_connector->pipe;
-
-	/*panel hard-reset*/
-	if (p_funcs->reset) {
-		ret = p_funcs->reset(pipe);
-		if (ret) {
-			DRM_ERROR("Panel %d hard-reset failed\n", pipe);
-			return NULL;
-		}
-	}
-	/* Panel drvIC init */
-	if (p_funcs->drv_ic_init)
-		p_funcs->drv_ic_init(dsi_config, pipe);
-
-	/* Panel power mode detect */
-	ret = mdfld_dsi_get_power_mode(dsi_config,
-				       &data,
-				       MDFLD_DSI_HS_TRANSMISSION);
-	if (ret) {
-		DRM_ERROR("Panel %d get power mode failed\n", pipe);
-		dsi_connector->status = connector_status_disconnected;
-	} else {
-		DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
-		dsi_connector->status = connector_status_connected;
-	}
-
-	/*TODO: get panel info from DDB*/
-
-	dbi_output = kzalloc(sizeof(struct mdfld_dsi_dbi_output), GFP_KERNEL);
-	if (!dbi_output) {
-		dev_err(dev->dev, "No memory\n");
-		return NULL;
-	}
-
-	if (dsi_connector->pipe == 0) {
-		dbi_output->channel_num = 0;
-		dev_priv->dbi_output = dbi_output;
-	} else if (dsi_connector->pipe == 2) {
-		dbi_output->channel_num = 1;
-		dev_priv->dbi_output2 = dbi_output;
-	} else {
-		dev_err(dev->dev, "only support 2 DSI outputs\n");
-		goto out_err1;
-	}
-
-	dbi_output->dev = dev;
-	dbi_output->p_funcs = p_funcs;
-	fixed_mode = dsi_config->fixed_mode;
-	dbi_output->panel_fixed_mode = fixed_mode;
-
-	/* Create drm encoder object */
-	connector = &dsi_connector->base.base;
-	encoder = &dbi_output->base.base;
-	/* Review this if we ever get MIPI-HDMI bridges or similar */
-	drm_encoder_init(dev,
-			encoder,
-			p_funcs->encoder_funcs,
-			DRM_MODE_ENCODER_LVDS);
-	drm_encoder_helper_add(encoder, p_funcs->encoder_helper_funcs);
-
-	/* Attach to given connector */
-	drm_mode_connector_attach_encoder(connector, encoder);
-
-	/* Set possible CRTCs and clones */
-	if (dsi_connector->pipe) {
-		encoder->possible_crtcs = (1 << 2);
-		encoder->possible_clones = (1 << 1);
-	} else {
-		encoder->possible_crtcs = (1 << 0);
-		encoder->possible_clones = (1 << 0);
-	}
-
-	dev_priv->dsr_fb_update = 0;
-	dev_priv->dsr_enable = false;
-	dev_priv->exit_idle = mdfld_dsi_dbi_exit_dsr;
-
-	dbi_output->first_boot = true;
-	dbi_output->mode_flags = MODE_SETTING_IN_ENCODER;
-
-	/* Add this output to dpu_info if in DPU mode */
-	if (dpu_info && dsi_connector->status == connector_status_connected) {
-		if (dsi_connector->pipe == 0)
-			dpu_info->dbi_outputs[0] = dbi_output;
-		else
-			dpu_info->dbi_outputs[1] = dbi_output;
-
-		dpu_info->dbi_output_num++;
-	} else if (dsi_connector->status == connector_status_connected) {
-		/* Add this output to dsr_info if not */
-		if (dsi_connector->pipe == 0)
-			dsr_info->dbi_outputs[0] = dbi_output;
-		else
-			dsr_info->dbi_outputs[1] = dbi_output;
-
-		dsr_info->dbi_output_num++;
-	}
-	return &dbi_output->base;
-out_err1:
-	kfree(dbi_output);
-	return NULL;
-}
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.h b/drivers/staging/gma500/mdfld_dsi_dbi.h
deleted file mode 100644
index f0fa986fd934..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi.h
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DBI_H__
-#define __MDFLD_DSI_DBI_H__
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-/*
- * DBI encoder which inherits from mdfld_dsi_encoder
- */
-struct mdfld_dsi_dbi_output {
-	struct mdfld_dsi_encoder base;
-	struct drm_display_mode *panel_fixed_mode;
-	u8 last_cmd;
-	u8 lane_count;
-	u8 channel_num;
-	struct drm_device *dev;
-
-	/* Backlight operations */
-
-	/* DSR timer */
-	u32 dsr_idle_count;
-	bool dsr_fb_update_done;
-
-	/* Mode setting flags */
-	u32 mode_flags;
-
-	/* Panel status */
-	bool dbi_panel_on;
-	bool first_boot;
-	struct panel_funcs *p_funcs;
-
-	/* DPU */
-	u32 *dbi_cb_addr;
-	u32 dbi_cb_phy;
-	spinlock_t cb_lock;
-	u32 cb_write;
-};
-
-#define MDFLD_DSI_DBI_OUTPUT(dsi_encoder) \
-	container_of(dsi_encoder, struct mdfld_dsi_dbi_output, base)
-
-struct mdfld_dbi_dsr_info {
-	int dbi_output_num;
-	struct mdfld_dsi_dbi_output *dbi_outputs[2];
-
-	u32 dsr_idle_count;
-};
-
-#define DBI_CB_TIMEOUT_COUNT	0xffff
-
-/* Offsets */
-#define CMD_MEM_ADDR_OFFSET	0
-
-#define CMD_DATA_SRC_SYSTEM_MEM	0
-#define CMD_DATA_SRC_PIPE	1
-
-static inline int mdfld_dsi_dbi_fifo_ready(struct mdfld_dsi_dbi_output *dbi_output)
-{
-	struct drm_device *dev = dbi_output->dev;
-	u32 retry = DBI_CB_TIMEOUT_COUNT;
-	int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0;
-	int ret = 0;
-
-	/* Query the dbi fifo status*/
-	while (retry--) {
-		if (REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset) & (1 << 27))
-			break;
-	}
-
-	if (!retry) {
-		DRM_ERROR("Timeout waiting for DBI FIFO empty\n");
-		ret = -EAGAIN;
-	}
-	return ret;
-}
-
-static inline int mdfld_dsi_dbi_cmd_sent(struct mdfld_dsi_dbi_output *dbi_output)
-{
-	struct drm_device *dev = dbi_output->dev;
-	u32 retry = DBI_CB_TIMEOUT_COUNT;
-	int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0;
-	int ret = 0;
-
-	/* Query the command execution status */
-	while (retry--)
-		if (!(REG_READ(MIPIA_CMD_ADD_REG + reg_offset) & (1 << 0)))
-			break;
-
-	if (!retry) {
-		DRM_ERROR("Timeout waiting for DBI command status\n");
-		ret = -EAGAIN;
-	}
-
-	return ret;
-}
-
-static inline int mdfld_dsi_dbi_cb_ready(struct mdfld_dsi_dbi_output *dbi_output)
-{
-	int ret = 0;
-
-	/* Query the command execution status*/
-	ret = mdfld_dsi_dbi_cmd_sent(dbi_output);
-	if (ret) {
-		DRM_ERROR("Peripheral is busy\n");
-		ret = -EAGAIN;
-	}
-	/* Query the dbi fifo status*/
-	ret = mdfld_dsi_dbi_fifo_ready(dbi_output);
-	if (ret) {
-		DRM_ERROR("DBI FIFO is not empty\n");
-		ret = -EAGAIN;
-	}
-	return ret;
-}
-
-extern void mdfld_dsi_dbi_output_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev, int pipe);
-extern void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src);
-extern void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output,
-			int pipe);
-extern int mdfld_dbi_dsr_init(struct drm_device *dev);
-extern void mdfld_dbi_dsr_exit(struct drm_device *dev);
-extern struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev,
-			struct mdfld_dsi_connector *dsi_connector,
-			struct panel_funcs *p_funcs);
-extern int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output,
-			u8 dcs, u8 *param, u32 num, u8 data_src);
-extern int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output,
-			u16 x1, u16 y1, u16 x2, u16 y2);
-extern int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output,
-			int mode);
-extern void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
-			int pipe);
-
-#endif /*__MDFLD_DSI_DBI_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c
deleted file mode 100644
index a4e2ff442b1f..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c
+++ /dev/null
@@ -1,778 +0,0 @@
-/*
- * Copyright © 2010-2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jim Liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_dbi.h"
-
-/*
- * NOTE: all mdlfd_x_damage funcs should be called by holding dpu_update_lock
- */
-
-static int mdfld_cursor_damage(struct mdfld_dbi_dpu_info *dpu_info,
-			   mdfld_plane_t plane,
-			   struct psb_drm_dpu_rect *damaged_rect)
-{
-	int x, y;
-	int new_x, new_y;
-	struct psb_drm_dpu_rect *rect;
-	struct psb_drm_dpu_rect *pipe_rect;
-	int cursor_size;
-	struct mdfld_cursor_info *cursor;
-	mdfld_plane_t fb_plane;
-
-	if (plane == MDFLD_CURSORA) {
-		cursor = &dpu_info->cursors[0];
-		x = dpu_info->cursors[0].x;
-		y = dpu_info->cursors[0].y;
-		cursor_size = dpu_info->cursors[0].size;
-		pipe_rect = &dpu_info->damage_pipea;
-		fb_plane = MDFLD_PLANEA;
-	} else {
-		cursor = &dpu_info->cursors[1];
-		x = dpu_info->cursors[1].x;
-		y = dpu_info->cursors[1].y;
-		cursor_size = dpu_info->cursors[1].size;
-		pipe_rect = &dpu_info->damage_pipec;
-		fb_plane = MDFLD_PLANEC;
-	}
-	new_x = damaged_rect->x;
-	new_y = damaged_rect->y;
-
-	if (x == new_x && y == new_y)
-		return 0;
-
-	rect = &dpu_info->damaged_rects[plane];
-	/* Move to right */
-	if (new_x >= x) {
-		if (new_y > y) {
-			rect->x = x;
-			rect->y = y;
-			rect->width = (new_x + cursor_size) - x;
-			rect->height = (new_y + cursor_size) - y;
-			goto cursor_out;
-		} else {
-			rect->x = x;
-			rect->y = new_y;
-			rect->width = (new_x + cursor_size) - x;
-			rect->height = (y - new_y);
-			goto cursor_out;
-		}
-	} else {
-		if (new_y > y) {
-			rect->x = new_x;
-			rect->y = y;
-			rect->width = (x + cursor_size) - new_x;
-			rect->height = new_y - y;
-			goto cursor_out;
-		} else {
-			rect->x = new_x;
-			rect->y = new_y;
-			rect->width = (x + cursor_size) - new_x;
-			rect->height = (y + cursor_size) - new_y;
-		}
-	}
-cursor_out:
-	if (new_x < 0)
-		cursor->x = 0;
-	else if (new_x > 864)
-		cursor->x = 864;
-	else
-		cursor->x = new_x;
-
-	if (new_y < 0)
-		cursor->y = 0;
-	else if (new_y > 480)
-		cursor->y = 480;
-	else
-		cursor->y = new_y;
-
-	/*
-	 * FIXME: this is a workaround for cursor plane update,
-	 * remove it later!
-	 */
-	rect->x = 0;
-	rect->y = 0;
-	rect->width = 864;
-	rect->height = 480;
-
-	mdfld_check_boundary(dpu_info, rect);
-	mdfld_dpu_region_extent(pipe_rect, rect);
-
-	/* Update pending status of dpu_info */
-	dpu_info->pending |= (1 << plane);
-	/* Update fb panel as well */
-	dpu_info->pending |= (1 << fb_plane);
-	return 0;
-}
-
-static int mdfld_fb_damage(struct mdfld_dbi_dpu_info *dpu_info,
-				   mdfld_plane_t plane,
-				   struct psb_drm_dpu_rect *damaged_rect)
-{
-	struct psb_drm_dpu_rect *rect;
-
-	if (plane == MDFLD_PLANEA)
-		rect = &dpu_info->damage_pipea;
-	else
-		rect = &dpu_info->damage_pipec;
-
-	mdfld_check_boundary(dpu_info, damaged_rect);
-
-	/* Add fb damage area to this pipe */
-	mdfld_dpu_region_extent(rect, damaged_rect);
-
-	/* Update pending status of dpu_info */
-	dpu_info->pending |= (1 << plane);
-	return 0;
-}
-
-/* Do nothing here, right now */
-static int mdfld_overlay_damage(struct mdfld_dbi_dpu_info *dpu_info,
-				mdfld_plane_t plane,
-				struct psb_drm_dpu_rect *damaged_rect)
-{
-	return 0;
-}
-
-int mdfld_dbi_dpu_report_damage(struct drm_device *dev,
-				mdfld_plane_t plane,
-				struct psb_drm_dpu_rect *rect)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	int ret = 0;
-
-	/* DPU not in use, no damage reporting needed */
-	if (dpu_info == NULL)
-		return 0;
-
-	spin_lock(&dpu_info->dpu_update_lock);
-
-	switch (plane) {
-	case MDFLD_PLANEA:
-	case MDFLD_PLANEC:
-		mdfld_fb_damage(dpu_info, plane, rect);
-		break;
-	case MDFLD_CURSORA:
-	case MDFLD_CURSORC:
-		mdfld_cursor_damage(dpu_info, plane, rect);
-		break;
-	case MDFLD_OVERLAYA:
-	case MDFLD_OVERLAYC:
-		mdfld_overlay_damage(dpu_info, plane, rect);
-		break;
-	default:
-		DRM_ERROR("Invalid plane type %d\n", plane);
-		ret = -EINVAL;
-	}
-	spin_unlock(&dpu_info->dpu_update_lock);
-	return ret;
-}
-
-int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv;
-	struct mdfld_dbi_dpu_info *dpu_info;
-	struct mdfld_dsi_config  *dsi_config;
-	struct psb_drm_dpu_rect rect;
-	int i;
-
-	if (!dev) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-
-	dev_priv = dev->dev_private;
-	dpu_info = dev_priv->dbi_dpu_info;
-
-	/* This is fine - we may be in non DPU mode */
-	if (!dpu_info)
-		return -EINVAL;
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		dsi_config = dev_priv->dsi_configs[i];
-		if (dsi_config) {
-			rect.x = rect.y = 0;
-			rect.width = dsi_config->fixed_mode->hdisplay;
-			rect.height = dsi_config->fixed_mode->vdisplay;
-			mdfld_dbi_dpu_report_damage(dev,
-				    i ? (MDFLD_PLANEC) : (MDFLD_PLANEA),
-				    &rect);
-		}
-	}
-	/* Exit DSR state */
-	mdfld_dpu_exit_dsr(dev);
-	return 0;
-}
-
-int mdfld_dsi_dbi_dsr_off(struct drm_device *dev,
-					struct psb_drm_dpu_rect *rect)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-	mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, rect);
-
-	/* If dual display mode */
-	if (dpu_info->dbi_output_num == 2)
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, rect);
-
-	/* Force dsi to exit DSR mode */
-	mdfld_dpu_exit_dsr(dev);
-	return 0;
-}
-
-static void mdfld_dpu_cursor_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
-						 mdfld_plane_t plane)
-{
-	struct drm_device *dev = dpu_info->dev;
-	u32 curpos_reg = CURAPOS;
-	u32 curbase_reg = CURABASE;
-	u32 curcntr_reg = CURACNTR;
-	struct mdfld_cursor_info *cursor = &dpu_info->cursors[0];
-
-	if (plane == MDFLD_CURSORC) {
-		curpos_reg = CURCPOS;
-		curbase_reg = CURCBASE;
-		curcntr_reg = CURCCNTR;
-		cursor = &dpu_info->cursors[1];
-	}
-
-	REG_WRITE(curcntr_reg, REG_READ(curcntr_reg));
-	REG_WRITE(curpos_reg,
-		(((cursor->x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) |
-		((cursor->y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT)));
-	REG_WRITE(curbase_reg, REG_READ(curbase_reg));
-}
-
-static void mdfld_dpu_fb_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
-						 mdfld_plane_t plane)
-{
-	u32 pipesrc_reg = PIPEASRC;
-	u32 dspsize_reg = DSPASIZE;
-	u32 dspoff_reg = DSPALINOFF;
-	u32 dspsurf_reg = DSPASURF;
-	u32 dspstride_reg = DSPASTRIDE;
-	u32 stride;
-	struct psb_drm_dpu_rect *rect = &dpu_info->damage_pipea;
-	struct drm_device *dev = dpu_info->dev;
-
-	if (plane == MDFLD_PLANEC) {
-		pipesrc_reg = PIPECSRC;
-		dspsize_reg = DSPCSIZE;
-		dspoff_reg = DSPCLINOFF;
-		dspsurf_reg = DSPCSURF;
-		dspstride_reg = DSPCSTRIDE;
-		rect = &dpu_info->damage_pipec;
-	}
-
-	stride = REG_READ(dspstride_reg);
-	/* FIXME: should I do the pipe src update here? */
-	REG_WRITE(pipesrc_reg, ((rect->width - 1) << 16) | (rect->height - 1));
-	/* Flush plane */
-	REG_WRITE(dspsize_reg, ((rect->height - 1) << 16) | (rect->width - 1));
-	REG_WRITE(dspoff_reg, ((rect->x * 4) + (rect->y * stride)));
-	REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
-
-	/*
-	 * TODO: wait for flip finished and restore the pipesrc reg,
-	 * or cursor will be show at a wrong position
-	 */
-}
-
-static void mdfld_dpu_overlay_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
-						  mdfld_plane_t plane)
-{
-}
-
-/*
- * TODO: we are still in dbi normal mode now, we will try to use partial
- * mode later.
- */
-static int mdfld_dbi_prepare_cb(struct mdfld_dsi_dbi_output *dbi_output,
-				struct mdfld_dbi_dpu_info *dpu_info, int pipe)
-{
-	u8 *cb_addr = (u8 *)dbi_output->dbi_cb_addr;
-	u32 *index;
-	struct psb_drm_dpu_rect *rect = pipe ?
-		(&dpu_info->damage_pipec) : (&dpu_info->damage_pipea);
-
-	/* FIXME: lock command buffer, this may lead to a deadlock,
-	   as we already hold the dpu_update_lock */
-	if (!spin_trylock(&dbi_output->cb_lock)) {
-		DRM_ERROR("lock command buffer failed, try again\n");
-		return -EAGAIN;
-	}
-
-	index = &dbi_output->cb_write;
-
-	if (*index) {
-		DRM_ERROR("DBI command buffer unclean\n");
-		return -EAGAIN;
-	}
-
-	/* Column address */
-	*(cb_addr + ((*index)++)) = set_column_address;
-	*(cb_addr + ((*index)++)) = rect->x >> 8;
-	*(cb_addr + ((*index)++)) = rect->x;
-	*(cb_addr + ((*index)++)) = (rect->x + rect->width - 1) >> 8;
-	*(cb_addr + ((*index)++)) = (rect->x + rect->width - 1);
-
-	*index = 8;
-
-	/* Page address */
-	*(cb_addr + ((*index)++)) = set_page_addr;
-	*(cb_addr + ((*index)++)) = rect->y >> 8;
-	*(cb_addr + ((*index)++)) = rect->y;
-	*(cb_addr + ((*index)++)) = (rect->y + rect->height - 1) >> 8;
-	*(cb_addr + ((*index)++)) = (rect->y + rect->height - 1);
-
-	*index = 16;
-
-	/*write memory*/
-	*(cb_addr + ((*index)++)) = write_mem_start;
-
-	return 0;
-}
-
-static int mdfld_dbi_flush_cb(struct mdfld_dsi_dbi_output *dbi_output, int pipe)
-{
-	u32 cmd_phy = dbi_output->dbi_cb_phy;
-	u32 *index = &dbi_output->cb_write;
-	int reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	struct drm_device *dev = dbi_output->dev;
-
-	if (*index == 0 || !dbi_output)
-		return 0;
-
-	REG_WRITE((MIPIA_CMD_LEN_REG + reg_offset), 0x010505);
-	REG_WRITE((MIPIA_CMD_ADD_REG + reg_offset), cmd_phy | 3);
-
-	*index = 0;
-
-	/* FIXME: unlock command buffer */
-	spin_unlock(&dbi_output->cb_lock);
-	return 0;
-}
-
-static int mdfld_dpu_update_pipe(struct mdfld_dsi_dbi_output *dbi_output,
-				 struct mdfld_dbi_dpu_info *dpu_info, int pipe)
-{
-	struct drm_device *dev =  dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	mdfld_plane_t cursor_plane = MDFLD_CURSORA;
-	mdfld_plane_t fb_plane = MDFLD_PLANEA;
-	mdfld_plane_t overlay_plane = MDFLD_OVERLAYA;
-	int ret = 0;
-	u32 plane_mask = MDFLD_PIPEA_PLANE_MASK;
-
-	/* Damaged rects on this pipe */
-	if (pipe) {
-		cursor_plane = MDFLD_CURSORC;
-		fb_plane = MDFLD_PLANEC;
-		overlay_plane = MDFLD_OVERLAYC;
-		plane_mask = MDFLD_PIPEC_PLANE_MASK;
-	}
-
-	/*update cursor which assigned to @pipe*/
-	if (dpu_info->pending & (1 << cursor_plane))
-		mdfld_dpu_cursor_plane_flush(dpu_info, cursor_plane);
-
-	/*update fb which assigned to @pipe*/
-	if (dpu_info->pending & (1 << fb_plane))
-		mdfld_dpu_fb_plane_flush(dpu_info, fb_plane);
-
-	/* TODO: update overlay */
-	if (dpu_info->pending & (1 << overlay_plane))
-		mdfld_dpu_overlay_plane_flush(dpu_info, overlay_plane);
-
-	/* Flush damage area to panel fb */
-	if (dpu_info->pending & plane_mask) {
-		ret = mdfld_dbi_prepare_cb(dbi_output, dpu_info, pipe);
-		/*
-		 * TODO: remove b_dsr_enable later,
-		 * added it so that text console could boot smoothly
-		 */
-		/* Clean pending flags on this pipe */
-		if (!ret && dev_priv->dsr_enable) {
-			dpu_info->pending &= ~plane_mask;
-			/* Reset overlay pipe damage rect */
-			mdfld_dpu_init_damage(dpu_info, pipe);
-		}
-	}
-	return ret;
-}
-
-static int mdfld_dpu_update_fb(struct drm_device *dev)
-{
-	struct drm_crtc *crtc;
-	struct psb_intel_crtc *psb_crtc;
-	struct mdfld_dsi_dbi_output **dbi_output;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	bool pipe_updated[2];
-	unsigned long irq_flags;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dspsurf_reg = DSPASURF;
-	u32 mipi_state_reg = MIPIA_INTR_STAT_REG;
-	u32 reg_offset = 0;
-	int pipe;
-	int i;
-	int ret;
-
-	dbi_output = dpu_info->dbi_outputs;
-	pipe_updated[0] = pipe_updated[1] = false;
-
-	if (!gma_power_begin(dev, true))
-		return -EAGAIN;
-
-	/* Try to prevent any new damage reports */
-	if (!spin_trylock_irqsave(&dpu_info->dpu_update_lock, irq_flags))
-		return -EAGAIN;
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		crtc = dbi_output[i]->base.base.crtc;
-		psb_crtc = (crtc) ? to_psb_intel_crtc(crtc) : NULL;
-
-		pipe = dbi_output[i]->channel_num ? 2 : 0;
-
-		if (pipe == 2) {
-			dspcntr_reg = DSPCCNTR;
-			pipeconf_reg = PIPECCONF;
-			dsplinoff_reg = DSPCLINOFF;
-			dspsurf_reg = DSPCSURF;
-			reg_offset = MIPIC_REG_OFFSET;
-		}
-
-		if (!(REG_READ((MIPIA_GEN_FIFO_STAT_REG + reg_offset))
-							& (1 << 27)) ||
-			!(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) ||
-			!(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) ||
-			!(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE)) {
-			dev_err(dev->dev,
-				"DBI FIFO is busy, DSI %d state %x\n",
-				pipe,
-				REG_READ(mipi_state_reg + reg_offset));
-			continue;
-		}
-
-		/*
-		 *	If DBI output is in a exclusive state then the pipe
-		 *	change won't be updated
-		 */
-		if (dbi_output[i]->dbi_panel_on &&
-		   !(dbi_output[i]->mode_flags & MODE_SETTING_ON_GOING) &&
-		   !(psb_crtc &&
-			psb_crtc->mode_flags & MODE_SETTING_ON_GOING) &&
-		   !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) {
-			ret = mdfld_dpu_update_pipe(dbi_output[i],
-				dpu_info, dbi_output[i]->channel_num ? 2 : 0);
-			if (!ret)
-				pipe_updated[i] = true;
-		}
-	}
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++)
-		if (pipe_updated[i])
-			mdfld_dbi_flush_cb(dbi_output[i],
-				dbi_output[i]->channel_num ? 2 : 0);
-
-	spin_unlock_irqrestore(&dpu_info->dpu_update_lock, irq_flags);
-	gma_power_end(dev);
-	return 0;
-}
-
-static int __mdfld_dbi_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output,
-								int pipe)
-{
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ? to_psb_intel_crtc(crtc)
-								: NULL;
-	u32 reg_val;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 dspbase_reg = DSPABASE;
-	u32 dspsurf_reg = DSPASURF;
-	u32 reg_offset = 0;
-
-	if (!dbi_output)
-		return 0;
-
-	/* If mode setting on-going, back off */
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
-		return -EAGAIN;
-
-	if (pipe == 2) {
-		dpll_reg = MRST_DPLL_A;
-		pipeconf_reg = PIPECCONF;
-		dspcntr_reg = DSPCCNTR;
-		dspbase_reg = MDFLD_DSPCBASE;
-		dspsurf_reg = DSPCSURF;
-
-		reg_offset = MIPIC_REG_OFFSET;
-	}
-
-	if (!gma_power_begin(dev, true))
-		return -EAGAIN;
-
-	/* Enable DPLL */
-	reg_val = REG_READ(dpll_reg);
-	if (!(reg_val & DPLL_VCO_ENABLE)) {
-
-		if (reg_val & MDFLD_PWR_GATE_EN) {
-			reg_val &= ~MDFLD_PWR_GATE_EN;
-			REG_WRITE(dpll_reg, reg_val);
-			REG_READ(dpll_reg);
-			udelay(500);
-		}
-
-		reg_val |= DPLL_VCO_ENABLE;
-		REG_WRITE(dpll_reg, reg_val);
-		REG_READ(dpll_reg);
-		udelay(500);
-
-		/* FIXME: add timeout */
-		while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK))
-			cpu_relax();
-	}
-
-	/* Enable pipe */
-	reg_val = REG_READ(pipeconf_reg);
-	if (!(reg_val & PIPEACONF_ENABLE)) {
-		reg_val |= PIPEACONF_ENABLE;
-		REG_WRITE(pipeconf_reg, reg_val);
-		REG_READ(pipeconf_reg);
-		udelay(500);
-		mdfldWaitForPipeEnable(dev, pipe);
-	}
-
-	/* Enable plane */
-	reg_val = REG_READ(dspcntr_reg);
-	if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-		reg_val |= DISPLAY_PLANE_ENABLE;
-		REG_WRITE(dspcntr_reg, reg_val);
-		REG_READ(dspcntr_reg);
-		udelay(500);
-	}
-
-	gma_power_end(dev);
-
-	/* Clean IN_DSR flag */
-	dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
-
-	return 0;
-}
-
-int mdfld_dpu_exit_dsr(struct drm_device *dev)
-{
-	struct mdfld_dsi_dbi_output **dbi_output;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	int i;
-	int pipe;
-
-	dbi_output = dpu_info->dbi_outputs;
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		/* If this output is not in DSR mode, don't call exit dsr */
-		if (dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)
-			__mdfld_dbi_exit_dsr(dbi_output[i],
-					dbi_output[i]->channel_num ? 2 : 0);
-	}
-
-	/* Enable TE interrupt */
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		/* If this output is not in DSR mode, don't call exit dsr */
-		pipe = dbi_output[i]->channel_num ? 2 : 0;
-		if (dbi_output[i]->dbi_panel_on && pipe) {
-			mdfld_disable_te(dev, 0);
-			mdfld_enable_te(dev, 2);
-		} else if (dbi_output[i]->dbi_panel_on && !pipe) {
-			mdfld_disable_te(dev, 2);
-			mdfld_enable_te(dev, 0);
-		}
-	}
-	return 0;
-}
-
-static int mdfld_dpu_enter_dsr(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	struct mdfld_dsi_dbi_output **dbi_output;
-	int i;
-
-	dbi_output = dpu_info->dbi_outputs;
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		/* If output is off or already in DSR state, don't re-enter */
-		if (dbi_output[i]->dbi_panel_on &&
-		   !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) {
-			mdfld_dsi_dbi_enter_dsr(dbi_output[i],
-				dbi_output[i]->channel_num ? 2 : 0);
-		}
-	}
-
-	return 0;
-}
-
-static void mdfld_dbi_dpu_timer_func(unsigned long data)
-{
-	struct drm_device *dev = (struct drm_device *)data;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	struct timer_list *dpu_timer = &dpu_info->dpu_timer;
-	unsigned long flags;
-
-	if (dpu_info->pending) {
-		dpu_info->idle_count = 0;
-		/* Update panel fb with damaged area */
-		mdfld_dpu_update_fb(dev);
-	} else {
-		dpu_info->idle_count++;
-	}
-
-	if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) {
-		mdfld_dpu_enter_dsr(dev);
-		/* Stop timer by return */
-		return;
-	}
-
-	spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
-	if (!timer_pending(dpu_timer)) {
-		dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
-		add_timer(dpu_timer);
-	}
-	spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
-}
-
-void mdfld_dpu_update_panel(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-	if (dpu_info->pending) {
-		dpu_info->idle_count = 0;
-
-		/*update panel fb with damaged area*/
-		mdfld_dpu_update_fb(dev);
-	} else {
-		dpu_info->idle_count++;
-	}
-
-	if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) {
-		/*enter dsr*/
-		mdfld_dpu_enter_dsr(dev);
-	}
-}
-
-static int mdfld_dbi_dpu_timer_init(struct drm_device *dev,
-				struct mdfld_dbi_dpu_info *dpu_info)
-{
-	struct timer_list *dpu_timer = &dpu_info->dpu_timer;
-	unsigned long flags;
-
-	spin_lock_init(&dpu_info->dpu_timer_lock);
-	spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
-
-	init_timer(dpu_timer);
-
-	dpu_timer->data = (unsigned long)dev;
-	dpu_timer->function = mdfld_dbi_dpu_timer_func;
-	dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
-
-	spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
-
-	return 0;
-}
-
-void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info)
-{
-	struct timer_list *dpu_timer = &dpu_info->dpu_timer;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
-	if (!timer_pending(dpu_timer)) {
-		dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
-		add_timer(dpu_timer);
-	}
-	spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
-}
-
-int mdfld_dbi_dpu_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-	if (!dpu_info || IS_ERR(dpu_info)) {
-		dpu_info = kzalloc(sizeof(struct mdfld_dbi_dpu_info),
-								GFP_KERNEL);
-		if (!dpu_info) {
-			DRM_ERROR("No memory\n");
-			return -ENOMEM;
-		}
-		dev_priv->dbi_dpu_info = dpu_info;
-	}
-
-	dpu_info->dev = dev;
-
-	dpu_info->cursors[0].size = MDFLD_CURSOR_SIZE;
-	dpu_info->cursors[1].size = MDFLD_CURSOR_SIZE;
-
-	/*init dpu_update_lock*/
-	spin_lock_init(&dpu_info->dpu_update_lock);
-
-	/*init dpu refresh timer*/
-	mdfld_dbi_dpu_timer_init(dev, dpu_info);
-
-	/*init pipe damage area*/
-	mdfld_dpu_init_damage(dpu_info, 0);
-	mdfld_dpu_init_damage(dpu_info, 2);
-
-	return 0;
-}
-
-void mdfld_dbi_dpu_exit(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-	if (!dpu_info)
-		return;
-
-	del_timer_sync(&dpu_info->dpu_timer);
-	kfree(dpu_info);
-	dev_priv->dbi_dpu_info = NULL;
-}
-
-
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h
deleted file mode 100644
index 42367ed48c08..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DBI_DPU_H__
-#define __MDFLD_DSI_DBI_DPU_H__
-
-#include "mdfld_dsi_dbi.h"
-
-typedef enum {
-	MDFLD_PLANEA,
-	MDFLD_PLANEC,
-	MDFLD_CURSORA,
-	MDFLD_CURSORC,
-	MDFLD_OVERLAYA,
-	MDFLD_OVERLAYC,
-	MDFLD_PLANE_NUM,
-} mdfld_plane_t;
-
-#define MDFLD_PIPEA_PLANE_MASK	0x15
-#define MDFLD_PIPEC_PLANE_MASK	0x2A
-
-struct mdfld_cursor_info {
-	int x, y;
-	int size;
-};
-
-#define MDFLD_CURSOR_SIZE	64
-
-/*
- * enter DSR mode if screen has no update for 2 frames.
- */
-#define MDFLD_MAX_IDLE_COUNT	2
-
-struct mdfld_dbi_dpu_info {
-	struct drm_device *dev;
-	/* Lock */
-	spinlock_t dpu_update_lock;
-
-	/* Cursor postion */
-	struct mdfld_cursor_info cursors[2];
-
-	/* Damaged area for each plane */
-	struct psb_drm_dpu_rect damaged_rects[MDFLD_PLANE_NUM];
-
-	/* Final damaged area */
-	struct psb_drm_dpu_rect damage_pipea;
-	struct psb_drm_dpu_rect damage_pipec;
-
-	/* Pending */
-	u32 pending;
-
-	/* DPU timer */
-	struct timer_list dpu_timer;
-	spinlock_t dpu_timer_lock;
-
-	/* DPU idle count */
-	u32 idle_count;
-
-	/* DSI outputs */
-	struct mdfld_dsi_dbi_output *dbi_outputs[2];
-	int dbi_output_num;
-};
-
-static inline int mdfld_dpu_region_extent(struct psb_drm_dpu_rect *origin,
-			 struct psb_drm_dpu_rect *rect)
-{
-	int x1, y1, x2, y2;
-
-	x1 = origin->x + origin->width;
-	y1 = origin->y + origin->height;
-
-	x2 = rect->x + rect->width;
-	y2 = rect->y + rect->height;
-
-	origin->x = min(origin->x, rect->x);
-	origin->y = min(origin->y, rect->y);
-	origin->width = max(x1, x2) - origin->x;
-	origin->height = max(y1, y2) - origin->y;
-
-	return 0;
-}
-
-static inline void mdfld_check_boundary(struct mdfld_dbi_dpu_info *dpu_info,
-				struct psb_drm_dpu_rect *rect)
-{
-	if (rect->x < 0)
-		rect->x = 0;
-	if (rect->y < 0)
-		rect->y = 0;
-
-	if (rect->x + rect->width > 864)
-		rect->width = 864 - rect->x;
-	if (rect->y + rect->height > 480)
-		rect->height = 480 - rect->height;
-
-	if (!rect->width)
-		rect->width = 1;
-	if (!rect->height)
-		rect->height = 1;
-}
-
-static inline void mdfld_dpu_init_damage(struct mdfld_dbi_dpu_info *dpu_info,
-				int pipe)
-{
-	struct psb_drm_dpu_rect *rect;
-
-	if (pipe == 0)
-		rect = &dpu_info->damage_pipea;
-	else
-		rect = &dpu_info->damage_pipec;
-
-	rect->x = 864;
-	rect->y = 480;
-	rect->width = -864;
-	rect->height = -480;
-}
-
-extern int mdfld_dsi_dbi_dsr_off(struct drm_device *dev,
-				struct psb_drm_dpu_rect *rect);
-extern int mdfld_dbi_dpu_report_damage(struct drm_device *dev,
-				mdfld_plane_t plane,
-				struct psb_drm_dpu_rect *rect);
-extern int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev);
-extern int mdfld_dpu_exit_dsr(struct drm_device *dev);
-extern void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info);
-extern int mdfld_dbi_dpu_init(struct drm_device *dev);
-extern void mdfld_dbi_dpu_exit(struct drm_device *dev);
-extern void mdfld_dpu_update_panel(struct drm_device *dev);
-
-#endif /*__MDFLD_DSI_DBI_DPU_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.c b/drivers/staging/gma500/mdfld_dsi_dpi.c
deleted file mode 100644
index e685f1217baa..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dpi.c
+++ /dev/null
@@ -1,805 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-
-static void mdfld_wait_for_HS_DATA_FIFO(struct drm_device *dev, u32 pipe)
-{
-	u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-	int timeout = 0;
-
-	if (pipe == 2)
-		gen_fifo_stat_reg += MIPIC_REG_OFFSET;
-
-	udelay(500);
-
-	/* This will time out after approximately 2+ seconds */
-	while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_DATA_FULL)) {
-		udelay(100);
-		timeout++;
-	}
-
-	if (timeout == 20000)
-		dev_warn(dev->dev, "MIPI: HS Data FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_HS_CTRL_FIFO(struct drm_device *dev, u32 pipe)
-{
-	u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-	int timeout = 0;
-
-	if (pipe == 2)
-		gen_fifo_stat_reg += MIPIC_REG_OFFSET;
-
-	udelay(500);
-
-	/* This will time out after approximately 2+ seconds */
-	while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_CTRL_FULL)) {
-		udelay(100);
-		timeout++;
-	}
-	if (timeout == 20000)
-		dev_warn(dev->dev, "MIPI: HS CMD FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_DPI_CTRL_FIFO(struct drm_device *dev, u32 pipe)
-{
-	u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-        int timeout = 0;
-
-	if (pipe == 2)
-		gen_fifo_stat_reg += MIPIC_REG_OFFSET;
-
-        udelay(500);
-
-        /* This will time out after approximately 2+ seconds */
-        while ((timeout < 20000) && ((REG_READ(gen_fifo_stat_reg) & DPI_FIFO_EMPTY)
-                                                        != DPI_FIFO_EMPTY)) {
-                udelay(100);
-                timeout++;
-        }
-
-        if (timeout == 20000)
-                dev_warn(dev->dev, "MIPI: DPI FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_SPL_PKG_SENT(struct drm_device *dev, u32 pipe)
-{
-	u32 intr_stat_reg = MIPIA_INTR_STAT_REG;
-	int timeout = 0;
-
-	if (pipe == 2)
-		intr_stat_reg += MIPIC_REG_OFFSET;
-
-        udelay(500);
-
-        /* This will time out after approximately 2+ seconds */
-        while ((timeout < 20000) && (!(REG_READ(intr_stat_reg) & DSI_INTR_STATE_SPL_PKG_SENT))) {
-                udelay(100);
-                timeout++;
-        }
-
-        if (timeout == 20000)
-                dev_warn(dev->dev, "MIPI: SPL_PKT_SENT_INTERRUPT was not sent successfully!\n");
-}
-
-
-/* ************************************************************************* *\
- * FUNCTION: mdfld_dsi_tpo_ic_init
- *
- * DESCRIPTION:  This function is called only by mrst_dsi_mode_set and
- *               restore_display_registers.  since this function does not
- *               acquire the mutex, it is important that the calling function
- *               does!
-\* ************************************************************************* */
-void mdfld_dsi_tpo_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	u32 dcsChannelNumber = dsi_config->channel_num;
-	u32 gen_data_reg = MIPIA_HS_GEN_DATA_REG; 
-	u32 gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG;
-	u32 gen_ctrl_val = GEN_LONG_WRITE;
-
-	if (pipe == 2) {
-		gen_data_reg = HS_GEN_DATA_REG + MIPIC_REG_OFFSET; 
-		gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-	}
-
-	gen_ctrl_val |= dcsChannelNumber << DCS_CHANNEL_NUMBER_POS;
-
-	/* Flip page order */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00008036);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
-
-	/* 0xF0 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x005a5af0);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-	/* Write protection key */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x005a5af1);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-	/* 0xFC */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x005a5afc);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-	/* 0xB7 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x770000b7);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000044);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x05 << WORD_COUNTS_POS));
-
-	/* 0xB6 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x000a0ab6);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-	/* 0xF2 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x081010f2);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x4a070708);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x000000c5);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
-	/* 0xF8 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x024003f8);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x01030a04);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x0e020220);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000004);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x0d << WORD_COUNTS_POS));
-
-	/* 0xE2 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x398fc3e2);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x0000916f);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x06 << WORD_COUNTS_POS));
-
-	/* 0xB0 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x000000b0);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
-
-	/* 0xF4 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x240242f4);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x78ee2002);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x2a071050);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x507fee10);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x10300710);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x14 << WORD_COUNTS_POS));
-
-	/* 0xBA */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x19fe07ba);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x101c0a31);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000010);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
-	/* 0xBB */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x28ff07bb);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x24280a31);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000034);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
-	/* 0xFB */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x535d05fb);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1b1a2130);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x221e180e);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x131d2120);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x535d0508);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1c1a2131);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x231f160d);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x111b2220);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x535c2008);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1f1d2433);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x2c251a10);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x2c34372d);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000023);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
-
-	/* 0xFA */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x525c0bfa);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1c1c232f);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x2623190e);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x18212625);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x545d0d0e);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1e1d2333);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x26231a10);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1a222725);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x545d280f);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x21202635);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x31292013);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x31393d33);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000029);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
-
-	/* Set DM */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x000100f7);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-}
-
-static u16 mdfld_dsi_dpi_to_byte_clock_count(int pixel_clock_count,
-						int num_lane, int bpp)
-{
-	return (u16)((pixel_clock_count * bpp) / (num_lane * 8)); 
-}
-
-/*
- * Calculate the dpi time basing on a given drm mode @mode
- * return 0 on success.
- * FIXME: I was using proposed mode value for calculation, may need to 
- * use crtc mode values later 
- */
-int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode, 
-			struct mdfld_dsi_dpi_timing *dpi_timing,
-			int num_lane, int bpp)
-{
-	int pclk_hsync, pclk_hfp, pclk_hbp, pclk_hactive;
-	int pclk_vsync, pclk_vfp, pclk_vbp, pclk_vactive;
-	
-	if(!mode || !dpi_timing) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-	
-	pclk_hactive = mode->hdisplay;
-	pclk_hfp = mode->hsync_start - mode->hdisplay;
-	pclk_hsync = mode->hsync_end - mode->hsync_start;
-	pclk_hbp = mode->htotal - mode->hsync_end;
-	
-	pclk_vactive = mode->vdisplay;
-	pclk_vfp = mode->vsync_start - mode->vdisplay;
-	pclk_vsync = mode->vsync_end - mode->vsync_start;
-	pclk_vbp = mode->vtotal - mode->vsync_end;
-
-	/*
-	 * byte clock counts were calculated by following formula
-	 * bclock_count = pclk_count * bpp / num_lane / 8
-	 */
-	dpi_timing->hsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hsync, num_lane, bpp);
-	dpi_timing->hbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hbp, num_lane, bpp);
-	dpi_timing->hfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hfp, num_lane, bpp);
-	dpi_timing->hactive_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hactive, num_lane, bpp);
-	dpi_timing->vsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vsync, num_lane, bpp);
-	dpi_timing->vbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vbp, num_lane, bpp);
-	dpi_timing->vfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vfp, num_lane, bpp);
-
-	return 0; 
-}
-
-void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	struct mdfld_dsi_dpi_timing dpi_timing;
-	struct drm_display_mode *mode = dsi_config->mode;
-	u32 val = 0;
-	
-	/*un-ready device*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-	
-	/*init dsi adapter before kicking off*/
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-	
-	/*enable all interrupts*/
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-	
-
-	/*set up func_prg*/
-	val |= lane_count;
-	val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
-		
-	switch(dsi_config->bpp) {
-	case 16:
-		val |= DSI_DPI_COLOR_FORMAT_RGB565;
-		break;
-	case 18:
-		val |= DSI_DPI_COLOR_FORMAT_RGB666;
-		break;
-	case 24:
-		val |= DSI_DPI_COLOR_FORMAT_RGB888;
-		break;
-	default:
-		DRM_ERROR("unsupported color format, bpp = %d\n", dsi_config->bpp);
-	}
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-	
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 
-			(mode->vtotal * mode->htotal * dsi_config->bpp / (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff & DSI_LP_RX_TIMEOUT_MASK);
-	
-	/*max value: 20 clock cycles of txclkesc*/
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
-	
-	/*min 21 txclkesc, max: ffffh*/
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0xffff & DSI_RESET_TIMER_MASK);
-
-	REG_WRITE((MIPIA_DPI_RESOLUTION_REG + reg_offset), mode->vdisplay << 16 | mode->hdisplay);
-	
-	/*set DPI timing registers*/
-	mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing, dsi_config->lane_count, dsi_config->bpp);
-	
-	REG_WRITE((MIPIA_HSYNC_COUNT_REG + reg_offset), dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HBP_COUNT_REG + reg_offset), dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HFP_COUNT_REG + reg_offset), dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HACTIVE_COUNT_REG + reg_offset), dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VSYNC_COUNT_REG + reg_offset), dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VBP_COUNT_REG + reg_offset), dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VFP_COUNT_REG + reg_offset), dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
-	
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-	
-	/*min: 7d0 max: 4e20*/
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x000007d0);
-	
-	/*set up video mode*/
-	val = 0;
-	val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
-	REG_WRITE((MIPIA_VIDEO_MODE_FORMAT_REG + reg_offset), val);
-	
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-	
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-	
-	/*TODO: figure out how to setup these registers*/
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-	
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), (0xa << 16) | 0x14);
-	/*set device ready*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, int pipe)
-{
-	struct drm_device *dev = output->dev;
-	u32 reg_offset = 0;
-	
-	if(output->panel_on) 
-		return;
-		
-	if(pipe) 
-		reg_offset = MIPIC_REG_OFFSET;
-
-	/* clear special packet sent bit */
-	if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-		REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-	}
-		
-	/*send turn on package*/
-	REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON);
-	
-	/*wait for SPL_PKG_SENT interrupt*/
-	mdfld_wait_for_SPL_PKG_SENT(dev, pipe);
-	
-	if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-		REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-	}
-
-	output->panel_on = 1;
-
-	/* FIXME the following is disabled to WA the X slow start issue for TMD panel */
-	/* if(pipe == 2) */
-	/* 	dev_priv->dpi_panel_on2 = true; */
-	/* else if (pipe == 0) */
-	/* 	dev_priv->dpi_panel_on = true; */
-}
-
-static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output, int pipe)
-{
-	struct drm_device *dev = output->dev;
-	u32 reg_offset = 0;
-	
-	/*if output is on, or mode setting didn't happen, ignore this*/
-	if((!output->panel_on) || output->first_boot) {
-		output->first_boot = 0; 
-		return;
-	}
-	
-	if(pipe)
-		reg_offset = MIPIC_REG_OFFSET;
-
-	/* Wait for dpi fifo to empty */
-	mdfld_wait_for_DPI_CTRL_FIFO(dev, pipe);
-
-	/* Clear the special packet interrupt bit if set */
-	if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-		REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-	}
-	
-	if(REG_READ(MIPIA_DPI_CONTROL_REG + reg_offset) == DSI_DPI_CTRL_HS_SHUTDOWN) {
-		dev_warn(dev->dev, "try to send the same package again, abort!");
-		goto shutdown_out;
-	}
-	
-	REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN);
-
-shutdown_out:
-	output->panel_on = 0;
-	output->first_boot = 0;
-
-	/* FIXME the following is disabled to WA the X slow start issue for TMD panel */
-	/* if(pipe == 2) */
-	/* 	dev_priv->dpi_panel_on2 = false; */
-	/* else if (pipe == 0) */
-	/* 	dev_priv->dpi_panel_on = false;	 */
-	/* #ifdef CONFIG_PM_RUNTIME*/ 
-	/*	if (drm_psb_ospm && !enable_gfx_rtpm) { */
-	/*		pm_runtime_allow(&gpDrmDevice->pdev->dev); */
-	/*	schedule_delayed_work(&dev_priv->rtpm_work, 30 * 1000); */
-	/* } */
-	/*if (enable_gfx_rtpm) */
-	/*		pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay); */
-	/* #endif */
-}
-
-void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
-	int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
-	struct drm_device *dev = dsi_config->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 mipi_reg = MIPI;
-	u32 pipeconf_reg = PIPEACONF;
-	
-	if(pipe) {
-		mipi_reg = MIPI_C;
-		pipeconf_reg = PIPECCONF;
-	}
-	
-	/* Start up display island if it was shutdown */
-	if (!gma_power_begin(dev, true))
-		return;
-
-	if(on) {
-		if (mdfld_get_panel_type(dev, pipe) == TMD_VID){
- 			mdfld_dsi_dpi_turn_on(dpi_output, pipe);
- 		} else {
-			/* Enable mipi port */
-			REG_WRITE(mipi_reg, (REG_READ(mipi_reg) | (1 << 31)));
-			REG_READ(mipi_reg);
-
-			mdfld_dsi_dpi_turn_on(dpi_output, pipe);
-			mdfld_dsi_tpo_ic_init(dsi_config, pipe);
-		}
-
-		if(pipe == 2) {
-			dev_priv->dpi_panel_on2 = true;
-		}
-		else {
-			dev_priv->dpi_panel_on  = true;
-		}
-
-	} else {
- 		if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
- 			mdfld_dsi_dpi_shut_down(dpi_output, pipe);
- 		} else {
-			mdfld_dsi_dpi_shut_down(dpi_output, pipe);
-			/* Disable mipi port */
-			REG_WRITE(mipi_reg, (REG_READ(mipi_reg) & ~(1<<31)));
-			REG_READ(mipi_reg);
-		}
-
-		if(pipe == 2)
-			dev_priv->dpi_panel_on2 = false;
-		else
-			dev_priv->dpi_panel_on  = false;
-	}
-	gma_power_end(dev);
-}
-
-void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode)
-{
-	dev_dbg(encoder->dev->dev, "DPMS %s\n",
-			(mode == DRM_MODE_DPMS_ON ? "on":"off"));
-
-	if (mode == DRM_MODE_DPMS_ON)
-		mdfld_dsi_dpi_set_power(encoder, true);
-	else {
-		mdfld_dsi_dpi_set_power(encoder, false);
-#if 0 /* FIXME */
-#ifdef CONFIG_PM_RUNTIME
-		if (enable_gfx_rtpm)
-			pm_schedule_suspend(&gpDrmDevice->pdev->dev, gfxrtdelay);
-#endif
-#endif
-	}
-}
-
-bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
-				     struct drm_display_mode *mode,
-				     struct drm_display_mode *adjusted_mode)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
-
-	if(fixed_mode) {
-		adjusted_mode->hdisplay = fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = fixed_mode->hsync_end;
-		adjusted_mode->htotal = fixed_mode->htotal;
-		adjusted_mode->vdisplay = fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = fixed_mode->vsync_end;
-		adjusted_mode->vtotal = fixed_mode->vtotal;
-		adjusted_mode->clock = fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-	}
-	
-	return true;
-}
-
-void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder) 
-{
-	mdfld_dsi_dpi_set_power(encoder, false);
-}
-
-void mdfld_dsi_dpi_commit(struct drm_encoder *encoder) 
-{
-	mdfld_dsi_dpi_set_power(encoder, true);
-}
-
-void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
-				   struct drm_display_mode *mode,
-				   struct drm_display_mode *adjusted_mode)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct drm_device *dev = dsi_config->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
-	
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 mipi_reg = MIPI;
-	u32 reg_offset = 0;
-	
-	u32 pipeconf = dev_priv->pipeconf;
-	u32 dspcntr = dev_priv->dspcntr;
-	u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
-	
-	dev_dbg(dev->dev, "set mode %dx%d on pipe %d\n",
-				mode->hdisplay, mode->vdisplay, pipe);
-
-	if(pipe) {
-		pipeconf_reg = PIPECCONF;
-		dspcntr_reg = DSPCCNTR;
-		mipi_reg = MIPI_C;
-		reg_offset = MIPIC_REG_OFFSET;
-	} else {
-		mipi |= 2;
-	}
-	
-	if (!gma_power_begin(dev, true))
-		return;
-
-	/* Set up mipi port FIXME: do at init time */
-	REG_WRITE(mipi_reg, mipi);
-	REG_READ(mipi_reg);
-
-	/* Set up DSI controller DPI interface */
-	mdfld_dsi_dpi_controller_init(dsi_config, pipe);
-
-	if (mdfld_get_panel_type(dev, pipe) != TMD_VID) {
-		/* Turn on DPI interface */
-		mdfld_dsi_dpi_turn_on(dpi_output, pipe);
-	}
-	
-	/* Set up pipe */
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-	
-	/* Set up display plane */
-	REG_WRITE(dspcntr_reg, dspcntr);
-	REG_READ(dspcntr_reg);
-	
-	msleep(20); /* FIXME: this should wait for vblank */
-	
-	dev_dbg(dev->dev, "State %x, power %d\n",
-		REG_READ(MIPIA_INTR_STAT_REG + reg_offset),
-		dpi_output->panel_on);
-
-	if (mdfld_get_panel_type(dev, pipe) != TMD_VID) {
-		/* Init driver ic */
-		mdfld_dsi_tpo_ic_init(dsi_config, pipe);
-		/* Init backlight */
-		mdfld_dsi_brightness_init(dsi_config, pipe);
-	}
-	gma_power_end(dev);
-}
-
-
-/*
- * Init DSI DPI encoder. 
- * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
- * return pointer of newly allocated DPI encoder, NULL on error
- */ 
-struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev, 
-				struct mdfld_dsi_connector *dsi_connector,
-				struct panel_funcs *p_funcs)
-{
-	struct mdfld_dsi_dpi_output *dpi_output = NULL;
-	struct mdfld_dsi_config *dsi_config;
-	struct drm_connector *connector = NULL;
-	struct drm_encoder *encoder = NULL;
-	struct drm_display_mode *fixed_mode = NULL;
-	int pipe;
-	u32 data;
-	int ret;
-
-	if (!dsi_connector || !p_funcs) {
-		WARN_ON(1);
-		return NULL;
-	}
-
-	dsi_config = mdfld_dsi_get_config(dsi_connector);
-	pipe = dsi_connector->pipe;
-
-	/* Panel hard-reset */
-	if (p_funcs->reset) {
-		ret = p_funcs->reset(pipe);
-		if (ret) {
-			DRM_ERROR("Panel %d hard-reset failed\n", pipe);
-			return NULL;
-		}
-	}
-
-	/* Panel drvIC init */
-	if (p_funcs->drv_ic_init)
-		p_funcs->drv_ic_init(dsi_config, pipe);
-
-	/* Panel power mode detect */
-	ret = mdfld_dsi_get_power_mode(dsi_config,
-					&data,
-					MDFLD_DSI_LP_TRANSMISSION);
-	if (ret) {
-		DRM_ERROR("Panel %d get power mode failed\n", pipe);
-		dsi_connector->status = connector_status_disconnected;
-	} else {
-		DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
-		dsi_connector->status = connector_status_connected;
-	}
-
-	dpi_output = kzalloc(sizeof(struct mdfld_dsi_dpi_output), GFP_KERNEL);
-	if(!dpi_output) {
-		dev_err(dev->dev, "No memory for dsi_dpi_output\n");
-		return NULL;
-	}
-
-	if(dsi_connector->pipe) 
-		dpi_output->panel_on = 0;
-	else
-		dpi_output->panel_on = 0;
-	
-	dpi_output->dev = dev;
-	dpi_output->p_funcs = p_funcs;
-	dpi_output->first_boot = 1;
-	
-	/* Get fixed mode */
-	dsi_config = mdfld_dsi_get_config(dsi_connector);
-	fixed_mode = dsi_config->fixed_mode;
-	
-	/* Create drm encoder object */
-	connector = &dsi_connector->base.base;
-	encoder = &dpi_output->base.base;
-	/*
-	 * On existing hardware this will be a panel of some form,
-	 * if future devices also have HDMI bridges this will need
-	 * revisiting
-	 */
-	drm_encoder_init(dev,
-			encoder,
-			p_funcs->encoder_funcs,
-			DRM_MODE_ENCODER_LVDS);
-	drm_encoder_helper_add(encoder,
-				p_funcs->encoder_helper_funcs);
-	
-	/* Attach to given connector */
-	drm_mode_connector_attach_encoder(connector, encoder);
-	
-	/* Set possible crtcs and clones */
-	if(dsi_connector->pipe) {
-		encoder->possible_crtcs = (1 << 2);
-		encoder->possible_clones = (1 << 1);
-	} else {
-		encoder->possible_crtcs = (1 << 0);
-		encoder->possible_clones = (1 << 0);
-	}
-	return &dpi_output->base;
-}
-
diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.h b/drivers/staging/gma500/mdfld_dsi_dpi.h
deleted file mode 100644
index ed92d45ee74a..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dpi.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DPI_H__
-#define __MDFLD_DSI_DPI_H__
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-struct mdfld_dsi_dpi_timing {
-	u16 hsync_count;
-	u16 hbp_count;
-	u16 hfp_count;
-	u16 hactive_count;
-	u16 vsync_count;
-	u16 vbp_count;
-	u16 vfp_count;
-};
-
-struct mdfld_dsi_dpi_output {
-	struct mdfld_dsi_encoder base;
-	struct drm_device *dev;
-
-	int panel_on;
-	int first_boot;
-
-	struct panel_funcs *p_funcs;
-};
-
-#define MDFLD_DSI_DPI_OUTPUT(dsi_encoder) \
-	container_of(dsi_encoder, struct mdfld_dsi_dpi_output, base)
-
-extern int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode,
-			struct mdfld_dsi_dpi_timing *dpi_timing,
-			int num_lane, int bpp);
-extern struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
-			struct mdfld_dsi_connector *dsi_connector,
-			struct panel_funcs *p_funcs);
-
-/* Medfield DPI helper functions */
-extern void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode);
-extern bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
-			struct drm_display_mode *mode,
-			struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_commit(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
-			struct drm_display_mode *mode,
-			struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output,
-			int pipe);
-extern void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *si_config,
-			int pipe);
-#endif /*__MDFLD_DSI_DPI_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_output.c b/drivers/staging/gma500/mdfld_dsi_output.c
deleted file mode 100644
index 3f979db2c3a5..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_output.c
+++ /dev/null
@@ -1,1014 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_output.h"
-#include <asm/intel_scu_ipc.h>
-#include "mdfld_dsi_pkg_sender.h"
-#include <linux/pm_runtime.h>
-#include <linux/moduleparam.h>
-
-#define MDFLD_DSI_BRIGHTNESS_MAX_LEVEL 100
-
-static int CABC_control = 1;
-static int LABC_control = 1;
-
-module_param (CABC_control, int, 0644);
-module_param (LABC_control, int, 0644);
-
-/**
- * make these MCS command global 
- * we don't need 'movl' everytime we send them.
- * FIXME: these datas were provided by OEM, we should get them from GCT.
- **/
-static u32 mdfld_dbi_mcs_hysteresis[] = {
-	0x42000f57, 0x8c006400, 0xff00bf00, 0xffffffff,
-	0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
-	0x38000aff, 0x82005000, 0xff00ab00, 0xffffffff,
-	0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
-	0x000000ff,
-};
-
-static u32 mdfld_dbi_mcs_display_profile[] = {
-	0x50281450, 0x0000c882, 0x00000000, 0x00000000,
-	0x00000000,
-};
-
-static u32 mdfld_dbi_mcs_kbbc_profile[] = {
-	0x00ffcc60, 0x00000000, 0x00000000, 0x00000000,
-}; 
-	
-static u32 mdfld_dbi_mcs_gamma_profile[] = {
-	0x81111158, 0x88888888, 0x88888888,
-}; 
-
-/*
- * write hysteresis values.
- */
-static void mdfld_dsi_write_hysteresis (struct mdfld_dsi_config *dsi_config,
-                                                                int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-	}
-	mdfld_dsi_send_mcs_long_hs(sender,
-				   mdfld_dbi_mcs_hysteresis,
-				   17,
-				   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * write display profile values.
- */
-static void mdfld_dsi_write_display_profile(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-        }
-	mdfld_dsi_send_mcs_long_hs(sender,
-				   mdfld_dbi_mcs_display_profile,
-				   5,
-				   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * write KBBC profile values.
- */
-static void mdfld_dsi_write_kbbc_profile (struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-        }
-	mdfld_dsi_send_mcs_long_hs(sender,
-				   mdfld_dbi_mcs_kbbc_profile,
-				   4,
-				   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * write gamma setting.
- */
-static void mdfld_dsi_write_gamma_setting (struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-	}
-	mdfld_dsi_send_mcs_long_hs(sender,
-				   mdfld_dbi_mcs_gamma_profile,
-				   3,
-				   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * Check and see if the generic control or data buffer is empty and ready.
- */
-void mdfld_dsi_gen_fifo_ready (struct drm_device *dev, u32 gen_fifo_stat_reg, u32 fifo_stat)
-{
-	u32 GEN_BF_time_out_count = 0;
-	
-	/* Check MIPI Adatper command registers */
-	for (GEN_BF_time_out_count = 0; GEN_BF_time_out_count < GEN_FB_TIME_OUT; GEN_BF_time_out_count++)
-	{
-		if ((REG_READ(gen_fifo_stat_reg) & fifo_stat) == fifo_stat)
-			break;
-		udelay (100);
-	}
-
-	if (GEN_BF_time_out_count == GEN_FB_TIME_OUT)
-		dev_err(dev->dev,
-        "mdfld_dsi_gen_fifo_ready, Timeout. gen_fifo_stat_reg = 0x%x. \n",
-                                                gen_fifo_stat_reg);
-}
-
-/*
- * Manage the DSI MIPI keyboard and display brightness.
- * FIXME: this is exported to OSPM code. should work out an specific 
- * display interface to OSPM. 
- */
-void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-	struct drm_device *dev = sender->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 gen_ctrl_val;
-	
-	if(!sender) {
-	        WARN_ON(1);
-	        return;
-	}
-	/* Set default display backlight value to 85% (0xd8)*/
-	mdfld_dsi_send_mcs_short_hs(sender,
-				    write_display_brightness,
-				    0xd8,
-				    1,
-				    MDFLD_DSI_SEND_PACKAGE);
-
-	/* Set minimum brightness setting of CABC function to 20% (0x33)*/
-	mdfld_dsi_send_mcs_short_hs(sender,
-				    write_cabc_min_bright,
-				    0x33,
-				    1,
-				    MDFLD_DSI_SEND_PACKAGE);
-
-	mdfld_dsi_write_hysteresis(dsi_config, pipe);
-	mdfld_dsi_write_display_profile (dsi_config, pipe);
-	mdfld_dsi_write_kbbc_profile (dsi_config, pipe);
-	mdfld_dsi_write_gamma_setting (dsi_config, pipe);
-
-	/* Enable backlight or/and LABC */
-	gen_ctrl_val = BRIGHT_CNTL_BLOCK_ON | DISPLAY_DIMMING_ON| BACKLIGHT_ON;
-	if (LABC_control == 1 || CABC_control == 1)
-		gen_ctrl_val |= DISPLAY_DIMMING_ON| DISPLAY_BRIGHTNESS_AUTO | GAMMA_AUTO;
-
-	if (LABC_control == 1)
-		gen_ctrl_val |= AMBIENT_LIGHT_SENSE_ON;
-
-	dev_priv->mipi_ctrl_display = gen_ctrl_val;
-
-	mdfld_dsi_send_mcs_short_hs(sender,
-				    write_ctrl_display,
-				    (u8)gen_ctrl_val,
-				    1,
-				    MDFLD_DSI_SEND_PACKAGE);
-
-	if (CABC_control == 0)
-		return;
-	mdfld_dsi_send_mcs_short_hs(sender,
-				    write_ctrl_cabc,
-				    UI_IMAGE,
-				    1,
-				    MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * Manage the mipi display brightness.
- * TODO: refine this interface later
- */
-void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level)
-{
-	struct mdfld_dsi_pkg_sender *sender;
-	struct drm_psb_private *dev_priv;
-	struct mdfld_dsi_config *dsi_config;
-	u32 gen_ctrl_val;
-	int p_type;	
-	
-	if (!dev || (pipe != 0 && pipe != 2)) {
-		dev_err(dev->dev, "Invalid parameter\n");
-		return;
-	}
-
-	p_type = mdfld_get_panel_type(dev, 0);
-
-	dev_priv = dev->dev_private;
-
-	if(pipe)
-		dsi_config = dev_priv->dsi_configs[1];
-	else
-		dsi_config = dev_priv->dsi_configs[0];
-
-	sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-	}
-
-	gen_ctrl_val = ((level * 0xff) / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL) & 0xff;
-
-	dev_dbg(dev->dev,
-                "pipe = %d, gen_ctrl_val = %d.  \n", pipe, gen_ctrl_val);
-	
-	if(p_type == TMD_VID || p_type == TMD_CMD){
-		/* Set display backlight value */
-		mdfld_dsi_send_mcs_short_hs(sender, 
-					tmd_write_display_brightness, 
-					(u8)gen_ctrl_val, 
-	                                 1, 
-	                        	MDFLD_DSI_SEND_PACKAGE);		
-	} else {			
-		/* Set display backlight value */
-		mdfld_dsi_send_mcs_short_hs(sender,
-				    write_display_brightness,
-				    (u8)gen_ctrl_val,
-                                    1,
-                                    MDFLD_DSI_SEND_PACKAGE);
-
-
-		/* Enable backlight control */
-		if (level == 0)
-			gen_ctrl_val = 0;
-		else 
-			gen_ctrl_val = dev_priv->mipi_ctrl_display;
-
-		mdfld_dsi_send_mcs_short_hs(sender,
-                                    write_ctrl_display,
-                                   (u8)gen_ctrl_val,
-                                   1,
-                                   MDFLD_DSI_SEND_PACKAGE);
-	}
-}
-
-/*
- * shut down DSI controller
- */ 
-void mdfld_dsi_controller_shutdown(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device * dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int retry = 100;
-	
-	if (!dsi_config) {
-	        WARN_ON(1);
-		return;
-	}
-	
-	dev = dsi_config->dev;
-	
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-		
-	if(!(REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) &  DSI_DEVICE_READY)) 
-		goto shutdown_out;
-	
-	/* Send shut down package, clean packet send bit first */
-	if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-		REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), 
-				(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) | DSI_INTR_STATE_SPL_PKG_SENT));
-	}
-	
-	/*send shut down package in HS*/
-	REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN);
-	
-	
-	/*
-	 * make sure shut down is sent.
-	 * FIXME: add max retry counter
-	 */
-	while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) {
-		retry--;
-		
-		if(!retry) {
-			dev_err(dev->dev, "timeout\n");
-			break;
-		}
-	}
-	
-	/*sleep 1 ms to ensure shutdown finished*/
-	msleep(100);
-	
-	/*un-ready device*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset),
-			   (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & ~DSI_DEVICE_READY));
-
-shutdown_out:			   
-	gma_power_end(dev);
-}
-
-void mdfld_dsi_controller_startup(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device * dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int retry = 100;
-	
-	
-	if (!dsi_config) {
-		WARN_ON(1);
-		return;
-	}
-	
-	dev = dsi_config->dev;
-	dev_dbg(dev->dev, "starting up DSI controller on pipe %d...\n", pipe);
-	
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-	
-	if((REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & DSI_DEVICE_READY)) 
-		goto startup_out;
-	
-	/*if config DPI, turn on DPI interface*/
-	if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) {
-		if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-			REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-		}
-		
-		REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON);
-		
-		/*
-		 * make sure shut down is sent.
-		 * FIXME: add max retry counter
-		 */
-		while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) {
-			retry--;
-			if(!retry) {
-				dev_err(dev->dev, "timeout\n");
-				break;
-			}
-		}
-		
-		msleep(100);
-	}
-	
-	/*set device ready*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset),
-			   (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) | DSI_DEVICE_READY));
-
-startup_out:	
-	gma_power_end(dev);
-}
-
-
-static int mdfld_dsi_get_panel_status(struct mdfld_dsi_config *dsi_config,
-					u8 dcs,
-					u32 *data,
-					u8 transmission)
-{
-	struct mdfld_dsi_pkg_sender *sender
-		= mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if (!sender || !data) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-
-	if (transmission == MDFLD_DSI_HS_TRANSMISSION)
-		return mdfld_dsi_read_mcs_hs(sender, dcs, data, 1);
-	else if (transmission == MDFLD_DSI_LP_TRANSMISSION)
-		return mdfld_dsi_read_mcs_lp(sender, dcs, data, 1);
-	else
-		return -EINVAL;
-}
-
-int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config,
-				u32 *mode,
-				u8 transmission)
-{
-	if (!dsi_config || !mode) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_get_panel_status(dsi_config, 0x0a, mode, transmission);
-}
-
-int mdfld_dsi_get_diagnostic_result(struct mdfld_dsi_config *dsi_config,
-					u32 *result,
-					u8 transmission)
-{
-	if (!dsi_config || !result) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_get_panel_status(dsi_config, 0x0f, result,
-					  transmission);
-}
-
-/*
- * NOTE: this function was used by OSPM.
- * TODO: will be removed later, should work out display interfaces for OSPM
- */
-void mdfld_dsi_controller_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	if(!dsi_config || ((pipe != 0) && (pipe != 2))) {
-	        WARN_ON(1);
-		return;
-	}
-
-	if(dsi_config->type)
-		mdfld_dsi_dpi_controller_init(dsi_config, pipe);
-	else
-		mdfld_dsi_controller_dbi_init(dsi_config, pipe);
-}
-
-static void mdfld_dsi_connector_save(struct drm_connector * connector)
-{
-}
-
-static void mdfld_dsi_connector_restore(struct drm_connector * connector)
-{
-}
-
-static enum drm_connector_status mdfld_dsi_connector_detect(struct drm_connector * connector, bool force)
-{
-	struct psb_intel_output *psb_output
-					= to_psb_intel_output(connector);
-	struct mdfld_dsi_connector *dsi_connector
-	                                = MDFLD_DSI_CONNECTOR(psb_output);
-	return dsi_connector->status;
-}
-
-static int mdfld_dsi_connector_set_property(struct drm_connector *connector,
-					struct drm_property *property,
-					uint64_t value)
-{
-	struct drm_encoder *encoder = connector->encoder;
-
-	if (!strcmp(property->name, "scaling mode") && encoder) {
-		struct psb_intel_crtc * psb_crtc = to_psb_intel_crtc(encoder->crtc);
-		bool bTransitionFromToCentered;
-		uint64_t curValue;
-
-		if (!psb_crtc)
-			goto set_prop_error;
-
-		switch (value) {
-		case DRM_MODE_SCALE_FULLSCREEN:
-			break;
-		case DRM_MODE_SCALE_NO_SCALE:
-			break;
-		case DRM_MODE_SCALE_ASPECT:
-			break;
-		default:
-			goto set_prop_error;
-		}
-
-		if (drm_connector_property_get_value(connector, property, &curValue))
-			goto set_prop_error;
-
-		if (curValue == value)
-			goto set_prop_done;
-
-		if (drm_connector_property_set_value(connector, property, value))
-			goto set_prop_error;
-
-		bTransitionFromToCentered = (curValue == DRM_MODE_SCALE_NO_SCALE) ||
-			(value == DRM_MODE_SCALE_NO_SCALE);
-
-		if (psb_crtc->saved_mode.hdisplay != 0 &&
-		    psb_crtc->saved_mode.vdisplay != 0) {
-			if (bTransitionFromToCentered) {
-				if (!drm_crtc_helper_set_mode(encoder->crtc, &psb_crtc->saved_mode,
-					    encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb))
-					goto set_prop_error;
-			} else {
-				struct drm_encoder_helper_funcs *pEncHFuncs  = encoder->helper_private;
-				pEncHFuncs->mode_set(encoder, &psb_crtc->saved_mode,
-						     &psb_crtc->saved_adjusted_mode);
-			}
-		}
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	} else if (!strcmp(property->name, "backlight") && encoder) {
-		struct drm_psb_private *dev_priv = encoder->dev->dev_private;
-		struct backlight_device *psb_bd = dev_priv->backlight_device;
-		dev_dbg(encoder->dev->dev, "backlight level = %d\n", (int)value);
-		if (drm_connector_property_set_value(connector, property, value))
-			goto set_prop_error;
-		else {
-			dev_dbg(encoder->dev->dev,
-			                "set brightness to %d", (int)value);
-			if (psb_bd) {
-				psb_bd->props.brightness = value;
-				backlight_update_status(psb_bd);
-			}
-		}
-#endif
-	}
-set_prop_done:
-    return 0;
-set_prop_error:
-    return -1;
-}
-
-static void mdfld_dsi_connector_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-	struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-	struct mdfld_dsi_pkg_sender * sender;
-	
-	if(!dsi_connector)
-	        return;
-	
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	
-	sender = dsi_connector->pkg_sender;
-
-	mdfld_dsi_pkg_sender_destroy(sender);
-
-	kfree(dsi_connector);
-}
-
-static int mdfld_dsi_connector_get_modes(struct drm_connector * connector)
-{
-	struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-	struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-	struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector);
-	struct drm_display_mode * fixed_mode = dsi_config->fixed_mode;
-	struct drm_display_mode * dup_mode = NULL;
-	struct drm_device * dev = connector->dev;
-	
-	connector->display_info.min_vfreq = 0;
-	connector->display_info.max_vfreq = 200;
-	connector->display_info.min_hfreq = 0;
-	connector->display_info.max_hfreq = 200;
-
-	if(fixed_mode) {
-		dev_dbg(dev->dev, "fixed_mode %dx%d\n",
-		        fixed_mode->hdisplay, fixed_mode->vdisplay);
-		
-		dup_mode = drm_mode_duplicate(dev, fixed_mode);
-		drm_mode_probed_add(connector, dup_mode);
-		return 1;
-	}
-	dev_err(dev->dev, "Didn't get any modes!\n");
-	return 0;
-}
-
-static int mdfld_dsi_connector_mode_valid(struct drm_connector * connector, struct drm_display_mode * mode)
-{
-	struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-	struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-	struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector);
-	struct drm_display_mode * fixed_mode = dsi_config->fixed_mode;
-
-	dev_dbg(connector->dev->dev, "mode %p, fixed mode %p\n",
-	                                                mode, fixed_mode);
-
-	if(mode->flags & DRM_MODE_FLAG_DBLSCAN) 
-		return MODE_NO_DBLESCAN;
-
-	if(mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return MODE_NO_INTERLACE;
-
-	/**
-	 * FIXME: current DC has no fitting unit, reject any mode setting request
-	 * will figure out a way to do up-scaling(pannel fitting) later.  
-	 **/
-	if(fixed_mode) {
-		if(mode->hdisplay != fixed_mode->hdisplay)
-			return MODE_PANEL;
-
-		if(mode->vdisplay != fixed_mode->vdisplay)
-			return MODE_PANEL;
-	}
-	dev_dbg(connector->dev->dev, "mode ok\n");
-
-	return MODE_OK;
-}
-
-static void mdfld_dsi_connector_dpms(struct drm_connector *connector, int mode)
-{
-#ifdef CONFIG_PM_RUNTIME
-	struct drm_device * dev = connector->dev;
-	struct drm_psb_private * dev_priv = dev->dev_private;
-	bool panel_on, panel_on2;
-#endif
-	/* First, execute DPMS */
-	drm_helper_connector_dpms(connector, mode);
-
-#ifdef CONFIG_PM_RUNTIME
-	if(mdfld_panel_dpi(dev)) {
-		/* DPI panel */
-		panel_on = dev_priv->dpi_panel_on;
-		panel_on2 = dev_priv->dpi_panel_on2;
-	} else {
-		/* DBI panel */
-		panel_on = dev_priv->dbi_panel_on;
-		panel_on2 = dev_priv->dbi_panel_on2;
-	}
-
-	/* Then check all display panels + monitors status */
-	/* Make sure that the Display (B) sub-system status isn't i3 when
-	 * R/W the DC register, otherwise "Fabric error" issue would occur
-	 * during S0i3 state. */
-	if(!panel_on && !panel_on2 && !(REG_READ(HDMIB_CONTROL)
-	                                        & HDMIB_PORT_EN)) {
-		/* Request rpm idle */
-		if(dev_priv->rpm_enabled)
-			pm_request_idle(&dev->pdev->dev);
-	}
-	/*
-	 * if rpm wasn't enabled yet, try to allow it
-	 * FIXME: won't enable rpm for DPI since DPI
-	 * CRTC setting is a little messy now.
-	 * Enable it later!
-	 */
-#if 0
-	if(!dev_priv->rpm_enabled && !mdfld_panel_dpi(dev))
-		ospm_runtime_pm_allow(dev);
-#endif
-#endif
-}
-
-static struct drm_encoder *mdfld_dsi_connector_best_encoder(
-                                        struct drm_connector *connector) 
-{
-	struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-	struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-	struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector);
-	struct mdfld_dsi_encoder * encoder = NULL;
-	
-	if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) 
-		encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DBI];
-	else if (dsi_config->type == MDFLD_DSI_ENCODER_DPI) 
-		encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DPI];
-	
-	dev_dbg(connector->dev->dev, "get encoder %p\n", encoder);
-	
-	if(!encoder) {
-		dev_err(connector->dev->dev,
-                        "Invalid encoder for type %d\n", dsi_config->type);
-		return NULL;
-	}
-	dsi_config->encoder = encoder;	
-	return &encoder->base;	
-}
-
-/* DSI connector funcs */
-static const struct drm_connector_funcs mdfld_dsi_connector_funcs = {
-	.dpms = /*drm_helper_connector_dpms*/mdfld_dsi_connector_dpms,
-	.save = mdfld_dsi_connector_save,
-	.restore = mdfld_dsi_connector_restore,
-	.detect = mdfld_dsi_connector_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = mdfld_dsi_connector_set_property,
-	.destroy = mdfld_dsi_connector_destroy,
-};
-
-/* DSI connector helper funcs */
-static const struct drm_connector_helper_funcs mdfld_dsi_connector_helper_funcs = {
-	.get_modes = mdfld_dsi_connector_get_modes,
-	.mode_valid = mdfld_dsi_connector_mode_valid,
-	.best_encoder = mdfld_dsi_connector_best_encoder,
-};
-
-static int mdfld_dsi_get_default_config(struct drm_device * dev, 
-										struct mdfld_dsi_config * config, int pipe)
-{
-	if(!dev || !config) {
-	        WARN_ON(1);
-		return -EINVAL;
-	}
-	
-	config->bpp = 24;
-	config->type = mdfld_panel_dpi(dev);
-	config->lane_count = 2;
-	config->channel_num = 0;
-	/*NOTE: video mode is ignored when type is MDFLD_DSI_ENCODER_DBI*/
-	if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
-		config->video_mode = MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE;
-	} else {
-		config->video_mode = MDFLD_DSI_VIDEO_BURST_MODE;
-	}
-	
-	return 0;
-}
-
-/*
- * Returns the panel fixed mode from configuration. 
- */
-struct drm_display_mode *
-mdfld_dsi_get_configuration_mode(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	struct drm_display_mode *mode;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-	bool use_gct = false;
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode) {
-	        dev_err(dev->dev, "Out of memory for mode\n");
-		return NULL;
-        }
-	if (use_gct) {
-		dev_dbg(dev->dev, "gct find MIPI panel.\n");
-
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay + \
-				((ti->hsync_offset_hi << 8) | \
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start + \
-				((ti->hsync_pulse_width_hi << 8) | \
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-								ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay + \
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-	} else {
-		if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) { 
-			if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
-				mode->hdisplay = 480;
-				mode->vdisplay = 854;
-				mode->hsync_start = 487;
-				mode->hsync_end = 490;
-				mode->htotal = 499;
-				mode->vsync_start = 861;
-				mode->vsync_end = 865;
-				mode->vtotal = 873;
-				mode->clock = 33264;
-			} else {
-				mode->hdisplay = 864;
-				mode->vdisplay = 480;
-				mode->hsync_start = 873;
-				mode->hsync_end = 876;
-				mode->htotal = 887;
-				mode->vsync_start = 487;
-				mode->vsync_end = 490;
-				mode->vtotal = 499;
-				mode->clock = 33264;
-			}
-		} else if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) {
-			mode->hdisplay = 864;
-			mode->vdisplay = 480;
-			mode->hsync_start = 872;
-			mode->hsync_end = 876;
-			mode->htotal = 884;
-			mode->vsync_start = 482;
-			mode->vsync_end = 494;
-			mode->vtotal = 486;
-			mode->clock = 25777;
-			
-		}
-	}
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-	
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-int mdfld_dsi_panel_reset(int pipe)
-{
-	unsigned gpio;
-	int ret = 0;
-
-	switch (pipe) {
-	case 0:
-		gpio = 128;
-		break;
-	case 2:
-		gpio = 34;
-		break;
-	default:
-		DRM_ERROR("Invalid output\n");
-		return -EINVAL;
-	}
-
-	ret = gpio_request(gpio, "gfx");
-	if (ret) {
-		DRM_ERROR("gpio_rqueset failed\n");
-		return ret;
-	}
-
-	ret = gpio_direction_output(gpio, 1);
-	if (ret) {
-		DRM_ERROR("gpio_direction_output failed\n");
-		goto gpio_error;
-	}
-
-	gpio_get_value(128);
-
-gpio_error:
-	if (gpio_is_valid(gpio))
-		gpio_free(gpio);
-
-	return ret;
-}
-
-/*
- * MIPI output init
- * @dev drm device
- * @pipe pipe number. 0 or 2
- * @config 
- * 
- * Do the initialization of a MIPI output, including create DRM mode objects
- * initialization of DSI output on @pipe 
- */
-void mdfld_dsi_output_init(struct drm_device *dev,
-			   int pipe, 
-			   struct mdfld_dsi_config *config,
-			   struct panel_funcs* p_cmd_funcs,
-			   struct panel_funcs* p_vid_funcs)
-{
-	struct mdfld_dsi_config * dsi_config;
-	struct mdfld_dsi_connector * dsi_connector;
-	struct psb_intel_output * psb_output;
-	struct drm_connector * connector;
-	struct mdfld_dsi_encoder * encoder;
-	struct drm_psb_private * dev_priv = dev->dev_private;
-	struct panel_info dsi_panel_info;
-	u32 width_mm, height_mm;
-
-	dev_dbg(dev->dev, "init DSI output on pipe %d\n", pipe);
-	
-	if(!dev || ((pipe != 0) && (pipe != 2))) {
-	        WARN_ON(1);
-		return;
-	}
-	
-	/*create a new connetor*/
-	dsi_connector = kzalloc(sizeof(struct mdfld_dsi_connector), GFP_KERNEL);
-	if(!dsi_connector) {
-		DRM_ERROR("No memory");
-		return;
-	}
-	
-	dsi_connector->pipe =  pipe;
-	
-	/*set DSI config*/
-	if(config) { 
-		dsi_config = config;
-	} else {
-		dsi_config = kzalloc(sizeof(struct mdfld_dsi_config), GFP_KERNEL);
-		if(!dsi_config) {
-			dev_err(dev->dev,
-			        "cannot allocate memory for DSI config\n");
-			goto dsi_init_err0;
-		}
-		
-		mdfld_dsi_get_default_config(dev, dsi_config, pipe);
-	}
-	
-	dsi_connector->private = dsi_config;
-	
-	dsi_config->changed = 1;
-	dsi_config->dev = dev;
-	
-	/* Init fixed mode basing on DSI config type */
-	if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) {
-		dsi_config->fixed_mode = p_cmd_funcs->get_config_mode(dev);
-		if(p_cmd_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
-			goto dsi_init_err0;
-	} else if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) {
-		dsi_config->fixed_mode = p_vid_funcs->get_config_mode(dev);
-		if(p_vid_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
-			goto dsi_init_err0;
-	}
-
-	width_mm = dsi_panel_info.width_mm;
-	height_mm = dsi_panel_info.height_mm;
-
-	dsi_config->mode = dsi_config->fixed_mode;
-	dsi_config->connector = dsi_connector;
-	
-	if(!dsi_config->fixed_mode) {
-		dev_err(dev->dev, "No pannel fixed mode was found\n");
-		goto dsi_init_err0;
-	}
-	
-	if(pipe && dev_priv->dsi_configs[0]) {
-		dsi_config->dvr_ic_inited = 0;
-		dev_priv->dsi_configs[1] = dsi_config;
-	} else if(pipe == 0) {
-		dsi_config->dvr_ic_inited = 1;
-		dev_priv->dsi_configs[0] = dsi_config;
-	} else {
-		dev_err(dev->dev, "Trying to init MIPI1 before MIPI0\n");
-		goto dsi_init_err0;
-	}
-
-	/*init drm connector object*/
-	psb_output = &dsi_connector->base;
-	
-	psb_output->type = (pipe == 0) ? INTEL_OUTPUT_MIPI : INTEL_OUTPUT_MIPI2;
-
-	connector = &psb_output->base;
-	/* Revisit type if MIPI/HDMI bridges ever appear on Medfield */
-	drm_connector_init(dev, connector, &mdfld_dsi_connector_funcs,
-						DRM_MODE_CONNECTOR_LVDS);
-	drm_connector_helper_add(connector, &mdfld_dsi_connector_helper_funcs);
-	
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->display_info.width_mm = width_mm;
-	connector->display_info.height_mm = height_mm;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-	
-	/* Attach properties */
-	drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN);
-	drm_connector_attach_property(connector, dev_priv->backlight_property, MDFLD_DSI_BRIGHTNESS_MAX_LEVEL);
-
-	/* Init DSI package sender on this output */
-	if (mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) {
-		DRM_ERROR("Package Sender initialization failed on pipe %d\n", pipe);
-		goto dsi_init_err0;
-	}
-
-	/* Init DBI & DPI encoders */
-	if (p_cmd_funcs) {
-		encoder = mdfld_dsi_dbi_init(dev, dsi_connector, p_cmd_funcs);
-		if(!encoder) {
-			dev_err(dev->dev, "Create DBI encoder failed\n");
-			goto dsi_init_err1;
-		}
-		encoder->private = dsi_config;
-		dsi_config->encoders[MDFLD_DSI_ENCODER_DBI] = encoder;
-	}
-	
-	if(p_vid_funcs) {
-		encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs);
-		if(!encoder) {
-			dev_err(dev->dev, "Create DPI encoder failed\n");
-			goto dsi_init_err1;
-		}
-		encoder->private = dsi_config;
-		dsi_config->encoders[MDFLD_DSI_ENCODER_DPI] = encoder;
-	}
-	
-	drm_sysfs_connector_add(connector);
-	return;
-	
-	/*TODO: add code to destroy outputs on error*/
-dsi_init_err1:
-	/*destroy sender*/
-	mdfld_dsi_pkg_sender_destroy(dsi_connector->pkg_sender);
-
-	drm_connector_cleanup(connector);
-	kfree(dsi_config->fixed_mode);
-	kfree(dsi_config);
-dsi_init_err0:
-	kfree(dsi_connector);
-}
diff --git a/drivers/staging/gma500/mdfld_dsi_output.h b/drivers/staging/gma500/mdfld_dsi_output.h
deleted file mode 100644
index 4699267efd60..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_output.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_OUTPUT_H__
-#define __MDFLD_DSI_OUTPUT_H__
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include "mdfld_output.h"
-
-#include <asm/mrst.h>
-
-
-static inline struct mdfld_dsi_config *
-	mdfld_dsi_get_config(struct mdfld_dsi_connector *connector)
-{
-	if (!connector)
-		return NULL;
-	return (struct mdfld_dsi_config *)connector->private;
-}
-
-static inline void *mdfld_dsi_get_pkg_sender(struct mdfld_dsi_config *config)
-{
-	struct mdfld_dsi_connector *dsi_connector;
-
-	if (!config)
-		return NULL;
-
-	dsi_connector = config->connector;
-
-	if (!dsi_connector)
-		return NULL;
-
-	return dsi_connector->pkg_sender;
-}
-
-static inline struct mdfld_dsi_config *
-	mdfld_dsi_encoder_get_config(struct mdfld_dsi_encoder *encoder)
-{
-	if (!encoder)
-		return NULL;
-	return (struct mdfld_dsi_config *)encoder->private;
-}
-
-static inline struct mdfld_dsi_connector *
-	mdfld_dsi_encoder_get_connector(struct mdfld_dsi_encoder *encoder)
-{
-	struct mdfld_dsi_config *config;
-
-	if (!encoder)
-		return NULL;
-
-	config = mdfld_dsi_encoder_get_config(encoder);
-	if (!config)
-		return NULL;
-
-	return config->connector;
-}
-
-static inline void *mdfld_dsi_encoder_get_pkg_sender(
-	struct mdfld_dsi_encoder *encoder)
-{
-	struct mdfld_dsi_config *dsi_config;
-
-	dsi_config = mdfld_dsi_encoder_get_config(encoder);
-	if (!dsi_config)
-		return NULL;
-
-	return mdfld_dsi_get_pkg_sender(dsi_config);
-}
-
-static inline int mdfld_dsi_encoder_get_pipe(struct mdfld_dsi_encoder *encoder)
-{
-	struct mdfld_dsi_connector *connector;
-
-	if (!encoder)
-		return -1;
-
-	connector = mdfld_dsi_encoder_get_connector(encoder);
-	if (!connector)
-		return -1;
-
-	return connector->pipe;
-}
-
-extern void mdfld_dsi_gen_fifo_ready(struct drm_device *dev,
-				u32 gen_fifo_stat_reg, u32 fifo_stat);
-extern void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config,
-				int pipe);
-extern void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe,
-				int level);
-extern void mdfld_dsi_output_init(struct drm_device *dev, int pipe,
-				struct mdfld_dsi_config *config,
-				struct panel_funcs *p_cmd_funcs,
-				struct panel_funcs *p_vid_funcs);
-extern void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config,
-				int pipe);
-extern int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config,
-				u32 *mode,
-				u8 transmission);
-extern int mdfld_dsi_get_diagnostic_result(struct mdfld_dsi_config *dsi_config,
-				u32 *result,
-				u8 transmission);
-extern int mdfld_dsi_panel_reset(int pipe);
-
-#endif /*__MDFLD_DSI_OUTPUT_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.c b/drivers/staging/gma500/mdfld_dsi_pkg_sender.c
deleted file mode 100644
index 9b96a5c9abcd..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_pkg_sender.c
+++ /dev/null
@@ -1,1484 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include <linux/freezer.h>
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-
-#define MDFLD_DSI_DBI_FIFO_TIMEOUT		100
-#define MDFLD_DSI_MAX_RETURN_PACKET_SIZE	512
-#define MDFLD_DSI_READ_MAX_COUNT		5000
-
-static const char * const dsi_errors[] = {
-	"RX SOT Error",
-	"RX SOT Sync Error",
-	"RX EOT Sync Error",
-	"RX Escape Mode Entry Error",
-	"RX LP TX Sync Error",
-	"RX HS Receive Timeout Error",
-	"RX False Control Error",
-	"RX ECC Single Bit Error",
-	"RX ECC Multibit Error",
-	"RX Checksum Error",
-	"RX DSI Data Type Not Recognised",
-	"RX DSI VC ID Invalid",
-	"TX False Control Error",
-	"TX ECC Single Bit Error",
-	"TX ECC Multibit Error",
-	"TX Checksum Error",
-	"TX DSI Data Type Not Recognised",
-	"TX DSI VC ID invalid",
-	"High Contention",
-	"Low contention",
-	"DPI FIFO Under run",
-	"HS TX Timeout",
-	"LP RX Timeout",
-	"Turn Around ACK Timeout",
-	"ACK With No Error",
-	"RX Invalid TX Length",
-	"RX Prot Violation",
-	"HS Generic Write FIFO Full",
-	"LP Generic Write FIFO Full",
-	"Generic Read Data Avail",
-	"Special Packet Sent",
-	"Tearing Effect",
-};
-
-static int wait_for_gen_fifo_empty(struct mdfld_dsi_pkg_sender *sender,
-								u32 mask)
-{
-	struct drm_device *dev = sender->dev;
-	u32 gen_fifo_stat_reg = sender->mipi_gen_fifo_stat_reg;
-	int retry = 0xffff;
-
-	while (retry--) {
-		if ((mask & REG_READ(gen_fifo_stat_reg)) == mask)
-			return 0;
-		udelay(100);
-	}
-	dev_err(dev->dev, "fifo is NOT empty 0x%08x\n",
-					REG_READ(gen_fifo_stat_reg));
-	return -EIO;
-}
-
-static int wait_for_all_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-	return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 10) | (1 << 18)
-		| (1 << 26) | (1 << 27) | (1 << 28));
-}
-
-static int wait_for_lp_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-	return wait_for_gen_fifo_empty(sender, (1 << 10) | (1 << 26));
-}
-
-static int wait_for_hs_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-	return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 18));
-}
-
-static int wait_for_dbi_fifo_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-	return wait_for_gen_fifo_empty(sender, (1 << 27));
-}
-
-static int handle_dsi_error(struct mdfld_dsi_pkg_sender *sender, u32 mask)
-{
-	u32 intr_stat_reg = sender->mipi_intr_stat_reg;
-	struct drm_device *dev = sender->dev;
-
-	switch (mask) {
-	case (1 << 0):
-	case (1 << 1):
-	case (1 << 2):
-	case (1 << 3):
-	case (1 << 4):
-	case (1 << 5):
-	case (1 << 6):
-	case (1 << 7):
-	case (1 << 8):
-	case (1 << 9):
-	case (1 << 10):
-	case (1 << 11):
-	case (1 << 12):
-	case (1 << 13):
-		break;
-	case (1 << 14):
-		/*wait for all fifo empty*/
-		/*wait_for_all_fifos_empty(sender)*/;
-		break;
-	case (1 << 15):
-		break;
-	case (1 << 16):
-		break;
-	case (1 << 17):
-		break;
-	case (1 << 18):
-	case (1 << 19):
-		/*wait for contention recovery time*/
-		/*mdelay(10);*/
-		/*wait for all fifo empty*/
-		if (0)
-			wait_for_all_fifos_empty(sender);
-		break;
-	case (1 << 20):
-		break;
-	case (1 << 21):
-		/*wait for all fifo empty*/
-		/*wait_for_all_fifos_empty(sender);*/
-		break;
-	case (1 << 22):
-		break;
-	case (1 << 23):
-	case (1 << 24):
-	case (1 << 25):
-	case (1 << 26):
-	case (1 << 27):
-		/* HS Gen fifo full */
-		REG_WRITE(intr_stat_reg, mask);
-		wait_for_hs_fifos_empty(sender);
-		break;
-	case (1 << 28):
-		/* LP Gen fifo full\n */
-		REG_WRITE(intr_stat_reg, mask);
-		wait_for_lp_fifos_empty(sender);
-		break;
-	case (1 << 29):
-	case (1 << 30):
-	case (1 << 31):
-		break;
-	}
-
-	if (mask & REG_READ(intr_stat_reg))
-		dev_warn(dev->dev, "Cannot clean interrupt 0x%08x\n", mask);
-
-	return 0;
-}
-
-static int dsi_error_handler(struct mdfld_dsi_pkg_sender *sender)
-{
-	struct drm_device *dev = sender->dev;
-	u32 intr_stat_reg = sender->mipi_intr_stat_reg;
-	u32 mask;
-	u32 intr_stat;
-	int i;
-	int err = 0;
-
-	intr_stat = REG_READ(intr_stat_reg);
-
-	for (i = 0; i < 32; i++) {
-		mask = (0x00000001UL) << i;
-		if (intr_stat & mask) {
-			dev_dbg(dev->dev, "[DSI]: %s\n", dsi_errors[i]);
-			err = handle_dsi_error(sender, mask);
-			if (err)
-				dev_err(dev->dev, "Cannot handle error\n");
-		}
-	}
-	return err;
-}
-
-static inline int dbi_cmd_sent(struct mdfld_dsi_pkg_sender *sender)
-{
-	struct drm_device *dev = sender->dev;
-	u32 retry = 0xffff;
-	u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg;
-
-	/* Query the command execution status */
-	while (retry--) {
-		if (!(REG_READ(dbi_cmd_addr_reg) & (1 << 0)))
-			break;
-	}
-
-	if (!retry) {
-		dev_err(dev->dev, "Timeout waiting for DBI Command status\n");
-		return -EAGAIN;
-	}
-	return 0;
-}
-
-/*
- * NOTE: this interface is abandoned expect for write_mem_start DCS
- * other DCS are sent via generic pkg interfaces
- */
-static int send_dcs_pkg(struct mdfld_dsi_pkg_sender *sender,
-			struct mdfld_dsi_pkg *pkg)
-{
-	struct drm_device *dev = sender->dev;
-	struct mdfld_dsi_dcs_pkg *dcs_pkg = &pkg->pkg.dcs_pkg;
-	u32 dbi_cmd_len_reg = sender->mipi_cmd_len_reg;
-	u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg;
-	u32 cb_phy = sender->dbi_cb_phy;
-	u32 index = 0;
-	u8 *cb = (u8 *)sender->dbi_cb_addr;
-	int i;
-	int ret;
-
-	if (!sender->dbi_pkg_support) {
-		dev_err(dev->dev, "Trying to send DCS on a non DBI output, abort!\n");
-		return -ENOTSUPP;
-	}
-
-	/*wait for DBI fifo empty*/
-	wait_for_dbi_fifo_empty(sender);
-
-	*(cb + (index++)) = dcs_pkg->cmd;
-	if (dcs_pkg->param_num) {
-		for (i = 0; i < dcs_pkg->param_num; i++)
-			*(cb + (index++)) = *(dcs_pkg->param + i);
-	}
-
-	REG_WRITE(dbi_cmd_len_reg, (1 + dcs_pkg->param_num));
-	REG_WRITE(dbi_cmd_addr_reg,
-		(cb_phy << CMD_MEM_ADDR_OFFSET)
-		| (1 << 0)
-		| ((dcs_pkg->data_src == CMD_DATA_SRC_PIPE) ? (1 << 1) : 0));
-
-	ret = dbi_cmd_sent(sender);
-	if (ret) {
-		dev_err(dev->dev, "command 0x%x not complete\n", dcs_pkg->cmd);
-		return -EAGAIN;
-	}
-	return 0;
-}
-
-static int __send_short_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	struct drm_device *dev = sender->dev;
-	u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
-	u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
-	u32 gen_ctrl_val = 0;
-	struct mdfld_dsi_gen_short_pkg *short_pkg = &pkg->pkg.short_pkg;
-
-	gen_ctrl_val |= short_pkg->cmd << MCS_COMMANDS_POS;
-	gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS;
-	gen_ctrl_val |= pkg->pkg_type;
-	gen_ctrl_val |= short_pkg->param << MCS_PARAMETER_POS;
-
-	if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) {
-		/* wait for hs fifo empty */
-		/* wait_for_hs_fifos_empty(sender); */
-		/* Send pkg */
-		REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val);
-	} else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) {
-		/* wait_for_lp_fifos_empty(sender); */
-		/* Send pkg*/
-		REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val);
-	} else {
-		dev_err(dev->dev, "Unknown transmission type %d\n",
-							pkg->transmission_type);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int __send_long_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	struct drm_device *dev = sender->dev;
-	u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
-	u32 hs_gen_data_reg = sender->mipi_hs_gen_data_reg;
-	u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
-	u32 lp_gen_data_reg = sender->mipi_lp_gen_data_reg;
-	u32 gen_ctrl_val = 0;
-	u32 *dp;
-	int i;
-	struct mdfld_dsi_gen_long_pkg *long_pkg = &pkg->pkg.long_pkg;
-
-	dp = long_pkg->data;
-
-	/*
-	 * Set up word count for long pkg
-	 * FIXME: double check word count field.
-	 * currently, using the byte counts of the payload as the word count.
-	 * ------------------------------------------------------------
-	 * | DI |   WC   | ECC|         PAYLOAD              |CHECKSUM|
-	 * ------------------------------------------------------------
-	 */
-	gen_ctrl_val |= (long_pkg->len << 2) << WORD_COUNTS_POS;
-	gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS;
-	gen_ctrl_val |= pkg->pkg_type;
-
-	if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) {
-		/* Wait for hs ctrl and data fifos to be empty */
-		/* wait_for_hs_fifos_empty(sender); */
-		for (i = 0; i < long_pkg->len; i++)
-			REG_WRITE(hs_gen_data_reg, *(dp + i));
-		REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val);
-	} else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) {
-		/* wait_for_lp_fifos_empty(sender); */
-		for (i = 0; i < long_pkg->len; i++)
-			REG_WRITE(lp_gen_data_reg, *(dp + i));
-		REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val);
-	} else {
-		dev_err(dev->dev, "Unknown transmission type %d\n",
-						pkg->transmission_type);
-		return -EINVAL;
-	}
-
-	return 0;
-
-}
-
-static int send_mcs_short_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	return __send_short_pkg(sender, pkg);
-}
-
-static int send_mcs_long_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	return __send_long_pkg(sender, pkg);
-}
-
-static int send_gen_short_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	return __send_short_pkg(sender, pkg);
-}
-
-static int send_gen_long_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	return __send_long_pkg(sender, pkg);
-}
-
-static int send_pkg_prepare(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	u8 cmd;
-	u8 *data;
-
-	switch (pkg->pkg_type) {
-	case MDFLD_DSI_PKG_DCS:
-		cmd = pkg->pkg.dcs_pkg.cmd;
-		break;
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0:
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1:
-		cmd = pkg->pkg.short_pkg.cmd;
-		break;
-	case MDFLD_DSI_PKG_MCS_LONG_WRITE:
-		data = (u8 *)pkg->pkg.long_pkg.data;
-		cmd = *data;
-		break;
-	default:
-		return 0;
-	}
-
-	/* This prevents other package sending while doing msleep */
-	sender->status = MDFLD_DSI_PKG_SENDER_BUSY;
-
-	/* Check panel mode v.s. sending command */
-	if ((sender->panel_mode & MDFLD_DSI_PANEL_MODE_SLEEP) &&
-		cmd != exit_sleep_mode) {
-		dev_err(sender->dev->dev,
-				"sending 0x%x when panel sleep in\n", cmd);
-		sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-		return -EINVAL;
-	}
-
-	/* Wait for 120 milliseconds in case exit_sleep_mode just be sent */
-	if (cmd == DCS_ENTER_SLEEP_MODE) {
- 		/*TODO: replace it with msleep later*/
-		mdelay(120);
-	}
-	return 0;
-}
-
-static int send_pkg_done(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	u8 cmd;
-	u8 *data;
-
-	switch (pkg->pkg_type) {
-	case MDFLD_DSI_PKG_DCS:
-		cmd = pkg->pkg.dcs_pkg.cmd;
-		break;
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0:
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1:
-		cmd = pkg->pkg.short_pkg.cmd;
-		break;
-	case MDFLD_DSI_PKG_MCS_LONG_WRITE:
-		data = (u8 *)pkg->pkg.long_pkg.data;
-		cmd = *data;
-		break;
-	default:
-		return 0;
-	}
-
-	/* Update panel status */
-	if (cmd == DCS_ENTER_SLEEP_MODE) {
-		sender->panel_mode |= MDFLD_DSI_PANEL_MODE_SLEEP;
-		/*TODO: replace it with msleep later*/
-		mdelay(120);
-	} else if (cmd == DCS_EXIT_SLEEP_MODE) {
-		sender->panel_mode &= ~MDFLD_DSI_PANEL_MODE_SLEEP;
-		/*TODO: replace it with msleep later*/
-		mdelay(120);
-	} else if (unlikely(cmd == DCS_SOFT_RESET)) {
-		/*TODO: replace it with msleep later*/
-		mdelay(5);
- 	}
-	sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-	return 0;
-
-}
-
-static int do_send_pkg(struct mdfld_dsi_pkg_sender *sender,
-			struct mdfld_dsi_pkg *pkg)
-{
-	int ret;
-
-	if (sender->status == MDFLD_DSI_PKG_SENDER_BUSY) {
-		dev_err(sender->dev->dev, "sender is busy\n");
-		return -EAGAIN;
-	}
-
-	ret = send_pkg_prepare(sender, pkg);
-	if (ret) {
-		dev_err(sender->dev->dev, "send_pkg_prepare error\n");
-		return ret;
-	}
-
-	switch (pkg->pkg_type) {
-	case MDFLD_DSI_PKG_DCS:
-		ret = send_dcs_pkg(sender, pkg);
-		break;
-	case MDFLD_DSI_PKG_GEN_SHORT_WRITE_0:
-	case MDFLD_DSI_PKG_GEN_SHORT_WRITE_1:
-	case MDFLD_DSI_PKG_GEN_SHORT_WRITE_2:
-	case MDFLD_DSI_PKG_GEN_READ_0:
-	case MDFLD_DSI_PKG_GEN_READ_1:
-	case MDFLD_DSI_PKG_GEN_READ_2:
-		ret = send_gen_short_pkg(sender, pkg);
-		break;
-	case MDFLD_DSI_PKG_GEN_LONG_WRITE:
-		ret = send_gen_long_pkg(sender, pkg);
-		break;
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0:
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1:
-	case MDFLD_DSI_PKG_MCS_READ:
-		ret = send_mcs_short_pkg(sender, pkg);
-		break;
-	case MDFLD_DSI_PKG_MCS_LONG_WRITE:
-		ret = send_mcs_long_pkg(sender, pkg);
-		break;
-	default:
-		dev_err(sender->dev->dev, "Invalid pkg type 0x%x\n",
-							pkg->pkg_type);
-		ret = -EINVAL;
-	}
-	send_pkg_done(sender, pkg);
-	return ret;
-}
-
-static int send_pkg(struct mdfld_dsi_pkg_sender *sender,
-			struct mdfld_dsi_pkg *pkg)
-{
-	int err ;
-
-	/* Handle DSI error */
-	err = dsi_error_handler(sender);
-	if (err) {
-		dev_err(sender->dev->dev, "Error handling failed\n");
-		err = -EAGAIN;
-		goto send_pkg_err;
-	}
-
-	/* Send pkg */
-	err = do_send_pkg(sender, pkg);
-	if (err) {
-		dev_err(sender->dev->dev, "sent pkg failed\n");
-		err = -EAGAIN;
-		goto send_pkg_err;
-	}
-
-	/* FIXME: should I query complete and fifo empty here? */
-send_pkg_err:
-	return err;
-}
-
-static struct mdfld_dsi_pkg *pkg_sender_get_pkg_locked(
-					struct mdfld_dsi_pkg_sender *sender)
-{
-	struct mdfld_dsi_pkg *pkg;
-
-	if (list_empty(&sender->free_list)) {
-		dev_err(sender->dev->dev, "No free pkg left\n");
-		return NULL;
-	}
-	pkg = list_first_entry(&sender->free_list, struct mdfld_dsi_pkg, entry);
-	/* Detach from free list */
-	list_del_init(&pkg->entry);
-	return pkg;
-}
-
-static void pkg_sender_put_pkg_locked(struct mdfld_dsi_pkg_sender *sender,
-					struct mdfld_dsi_pkg *pkg)
-{
-	memset(pkg, 0, sizeof(struct mdfld_dsi_pkg));
-	INIT_LIST_HEAD(&pkg->entry);
-	list_add_tail(&pkg->entry, &sender->free_list);
-}
-
-static int mdfld_dbi_cb_init(struct mdfld_dsi_pkg_sender *sender,
-					struct psb_gtt *pg, int pipe)
-{
-	unsigned long phys;
-	void *virt_addr = NULL;
-
-	switch (pipe) {
-	case 0:
-		/* FIXME: Doesn't this collide with stolen space ? */
-		phys = pg->gtt_phys_start - 0x1000;
-		break;
-	case 2:
-		phys = pg->gtt_phys_start - 0x800;
-		break;
-	default:
-		dev_err(sender->dev->dev, "Unsupported channel %d\n", pipe);
-		return -EINVAL;
-	}
-
-	virt_addr = ioremap_nocache(phys, 0x800);
-	if (!virt_addr) {
-		dev_err(sender->dev->dev, "Map DBI command buffer error\n");
-		return -ENOMEM;
-	}
-	sender->dbi_cb_phy = phys;
-	sender->dbi_cb_addr = virt_addr;
-	return 0;
-}
-
-static void mdfld_dbi_cb_destroy(struct mdfld_dsi_pkg_sender *sender)
-{
-	if (sender && sender->dbi_cb_addr)
-		iounmap(sender->dbi_cb_addr);
-}
-
-static void pkg_sender_queue_pkg(struct mdfld_dsi_pkg_sender *sender,
-					struct mdfld_dsi_pkg *pkg,
-					int delay)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-
-	if (!delay) {
-		send_pkg(sender, pkg);
-		pkg_sender_put_pkg_locked(sender, pkg);
-	} else {
-		/* Queue it */
-		list_add_tail(&pkg->entry, &sender->pkg_list);
-	}
-	spin_unlock_irqrestore(&sender->lock, flags);
-}
-
-static void process_pkg_list(struct mdfld_dsi_pkg_sender *sender)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-
-	while (!list_empty(&sender->pkg_list)) {
-		pkg = list_first_entry(&sender->pkg_list,
-					struct mdfld_dsi_pkg, entry);
-		send_pkg(sender, pkg);
-		list_del_init(&pkg->entry);
-		pkg_sender_put_pkg_locked(sender, pkg);
-	}
-
-	spin_unlock_irqrestore(&sender->lock, flags);
-}
-
-static int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender,
-	u32 *data, u32 len, u8 transmission, int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No memory\n");
-		return -ENOMEM;
-	}
-	pkg->pkg_type = MDFLD_DSI_PKG_MCS_LONG_WRITE;
-	pkg->transmission_type = transmission;
-	pkg->pkg.long_pkg.data = data;
-	pkg->pkg.long_pkg.len = len;
-	INIT_LIST_HEAD(&pkg->entry);
-
-	pkg_sender_queue_pkg(sender, pkg, delay);
-	return 0;
-}
-
-static int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender,
-					u8 cmd, u8 param, u8 param_num,
-					u8 transmission,
-					int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No memory\n");
-		return -ENOMEM;
-	}
-
-	if (param_num) {
-		pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_1;
-		pkg->pkg.short_pkg.param = param;
-	} else {
-		pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_0;
-		pkg->pkg.short_pkg.param = 0;
-	}
-	pkg->transmission_type = transmission;
-	pkg->pkg.short_pkg.cmd = cmd;
-	INIT_LIST_HEAD(&pkg->entry);
-
-	pkg_sender_queue_pkg(sender, pkg, delay);
-	return 0;
-}
-
-static int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender,
-					u8 param0, u8 param1, u8 param_num,
-					u8 transmission,
-					int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No pkg memory\n");
-		return -ENOMEM;
-	}
-
-	switch (param_num) {
-	case 0:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_0;
-		pkg->pkg.short_pkg.cmd = 0;
-		pkg->pkg.short_pkg.param = 0;
-		break;
-	case 1:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_1;
-		pkg->pkg.short_pkg.cmd = param0;
-		pkg->pkg.short_pkg.param = 0;
-		break;
-	case 2:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_2;
-		pkg->pkg.short_pkg.cmd = param0;
-		pkg->pkg.short_pkg.param = param1;
-		break;
-	}
-
-	pkg->transmission_type = transmission;
-	INIT_LIST_HEAD(&pkg->entry);
-
-	pkg_sender_queue_pkg(sender, pkg, delay);
-	return 0;
-}
-
-static int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data, u32 len, u8 transmission, int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No pkg memory\n");
-		return -ENOMEM;
-	}
-
-	pkg->pkg_type = MDFLD_DSI_PKG_GEN_LONG_WRITE;
-	pkg->transmission_type = transmission;
-	pkg->pkg.long_pkg.data = data;
-	pkg->pkg.long_pkg.len = len;
-
-	INIT_LIST_HEAD(&pkg->entry);
-
-	pkg_sender_queue_pkg(sender, pkg, delay);
-
-	return 0;
-}
-
-static int __read_panel_data(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg,
-				u32 *data,
-				u16 len)
-{
-	unsigned long flags;
-	struct drm_device *dev = sender->dev;
-	int i;
-	u32 gen_data_reg;
-	int retry = MDFLD_DSI_READ_MAX_COUNT;
-	u8 transmission = pkg->transmission_type;
-
-	/*
-	 * do reading.
-	 * 0) send out generic read request
-	 * 1) polling read data avail interrupt
-	 * 2) read data
-	 */
-	spin_lock_irqsave(&sender->lock, flags);
-
-	REG_WRITE(sender->mipi_intr_stat_reg, 1 << 29);
-
-	if ((REG_READ(sender->mipi_intr_stat_reg) & (1 << 29)))
-		DRM_ERROR("Can NOT clean read data valid interrupt\n");
-
-	/*send out read request*/
-	send_pkg(sender, pkg);
-
-	pkg_sender_put_pkg_locked(sender, pkg);
-
-	/*polling read data avail interrupt*/
-	while (retry && !(REG_READ(sender->mipi_intr_stat_reg) & (1 << 29))) {
-		udelay(100);
-		retry--;
-	}
-
-	if (!retry) {
-		spin_unlock_irqrestore(&sender->lock, flags);
-		return -ETIMEDOUT;
-	}
-
-	REG_WRITE(sender->mipi_intr_stat_reg, (1 << 29));
-
-	/*read data*/
-	if (transmission == MDFLD_DSI_HS_TRANSMISSION)
-		gen_data_reg = sender->mipi_hs_gen_data_reg;
-	else if (transmission == MDFLD_DSI_LP_TRANSMISSION)
-		gen_data_reg = sender->mipi_lp_gen_data_reg;
-	else {
-		DRM_ERROR("Unknown transmission");
-		spin_unlock_irqrestore(&sender->lock, flags);
-		return -EINVAL;
-	}
-
-	for (i=0; i<len; i++)
-		*(data + i) = REG_READ(gen_data_reg);
-
- 	spin_unlock_irqrestore(&sender->lock, flags);
- 
-	return 0;
-}
-
-static int mdfld_dsi_read_gen(struct mdfld_dsi_pkg_sender *sender,
-				u8 param0,
-				u8 param1,
-				u8 param_num,
-				u32 *data,
-				u16 len,
-				u8 transmission)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-
-	pkg = pkg_sender_get_pkg_locked(sender);
-
-	spin_unlock_irqrestore(&sender->lock,flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No pkg memory\n");
-		return -ENOMEM;
-	}
-
-	switch (param_num) {
-	case 0:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_0;
-		pkg->pkg.short_pkg.cmd = 0;
-		pkg->pkg.short_pkg.param = 0;
-		break;
-	case 1:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_1;
-		pkg->pkg.short_pkg.cmd = param0;
-		pkg->pkg.short_pkg.param = 0;
-		break;
- 	case 2:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_2;
-		pkg->pkg.short_pkg.cmd = param0;
-		pkg->pkg.short_pkg.param = param1;
-		break;
-	}
-
-	pkg->transmission_type = transmission;
-
-	INIT_LIST_HEAD(&pkg->entry);
-
-	return __read_panel_data(sender, pkg, data, len);
-}
- 
-static int mdfld_dsi_read_mcs(struct mdfld_dsi_pkg_sender *sender,
-				u8 cmd,
-				u32 *data,
-				u16 len,
-				u8 transmission)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-
-	pkg = pkg_sender_get_pkg_locked(sender);
-
- 	spin_unlock_irqrestore(&sender->lock, flags);
- 
- 	if (!pkg) {
-		dev_err(sender->dev->dev, "No pkg memory\n");
- 		return -ENOMEM;
-	}
-
-	pkg->pkg_type = MDFLD_DSI_PKG_MCS_READ;
-	pkg->pkg.short_pkg.cmd = cmd;
-	pkg->pkg.short_pkg.param = 0;
-
-	pkg->transmission_type = transmission;
- 
-	INIT_LIST_HEAD(&pkg->entry);
-
-	return __read_panel_data(sender, pkg, data, len);
-}
-
-void dsi_controller_dbi_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device * dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	u32 val = 0;
-
-	/*un-ready device*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-	/*init dsi adapter before kicking off*/
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-	/*TODO: figure out how to setup these registers*/
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), 0x000a0014);
-	REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400);
-	REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000001);
-	REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000);
-
-	/*enable all interrupts*/
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-	/*max value: 20 clock cycles of txclkesc*/
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f);
-	/*min 21 txclkesc, max: ffffh*/
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff);
-	/*min: 7d0 max: 4e20*/
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0);
-
-	/*set up max return packet size*/
-	REG_WRITE((MIPIA_MAX_RETURN_PACK_SIZE_REG + reg_offset),
-			MDFLD_DSI_MAX_RETURN_PACKET_SIZE);
-
-	/*set up func_prg*/
-	val |= lane_count;
-	val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET);
-	val |= DSI_DBI_COLOR_FORMAT_OPTION2;
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff);
-
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-void dsi_controller_dpi_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device * dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	struct mdfld_dsi_dpi_timing dpi_timing;
-	struct drm_display_mode * mode = dsi_config->mode;
-	u32 val = 0;
-
-	/*un-ready device*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-	/*init dsi adapter before kicking off*/
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-	/*enable all interrupts*/
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-
-	/*set up func_prg*/
-	val |= lane_count;
-	val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
-
-	switch(dsi_config->bpp) {
-	case 16:
-		val |= DSI_DPI_COLOR_FORMAT_RGB565;
-		break;
-	case 18:
-		val |= DSI_DPI_COLOR_FORMAT_RGB666;
-		break;
-	case 24:
-		val |= DSI_DPI_COLOR_FORMAT_RGB888;
-		break;
-	default:
-		DRM_ERROR("unsupported color format, bpp = %d\n", dsi_config->bpp);
-	}
-
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset),
-			(mode->vtotal * mode->htotal * dsi_config->bpp / (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff & DSI_LP_RX_TIMEOUT_MASK);
-
-	/*max value: 20 clock cycles of txclkesc*/
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
-
-	/*min 21 txclkesc, max: ffffh*/
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0xffff & DSI_RESET_TIMER_MASK);
-
-	REG_WRITE((MIPIA_DPI_RESOLUTION_REG + reg_offset), mode->vdisplay << 16 | mode->hdisplay);
-
-	/*set DPI timing registers*/
-	mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing, dsi_config->lane_count, dsi_config->bpp);
-
-	REG_WRITE((MIPIA_HSYNC_COUNT_REG + reg_offset), dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HBP_COUNT_REG + reg_offset), dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HFP_COUNT_REG + reg_offset), dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HACTIVE_COUNT_REG + reg_offset), dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VSYNC_COUNT_REG + reg_offset), dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VBP_COUNT_REG + reg_offset), dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VFP_COUNT_REG + reg_offset), dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
-
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-
-	/*min: 7d0 max: 4e20*/
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x000007d0);
-
-	/*set up video mode*/
-	val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
-	REG_WRITE((MIPIA_VIDEO_MODE_FORMAT_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-
-	/*TODO: figure out how to setup these registers*/
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), (0xa << 16) | 0x14);
-
-	/*set device ready*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-static void dsi_controller_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	if (!dsi_config || ((pipe != 0) && (pipe != 2))) {
-		DRM_ERROR("Invalid parameters\n");
-		return;
-	}
-
-	if (dsi_config->type == MDFLD_DSI_ENCODER_DPI)
-		dsi_controller_dpi_init(dsi_config, pipe);
-	else if (dsi_config->type == MDFLD_DSI_ENCODER_DBI)
-		dsi_controller_dbi_init(dsi_config, pipe);
-	else
-		DRM_ERROR("Bad DSI encoder type\n");
-}
-
-void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender)
-{
-	process_pkg_list(sender);
-}
-
-int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender,
-			u8 dcs, u8 *param, u32 param_num, u8 data_src,
-			int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	u32 cb_phy = sender->dbi_cb_phy;
-	struct drm_device *dev = sender->dev;
-	u32 index = 0;
-	u8 *cb = (u8 *)sender->dbi_cb_addr;
-	unsigned long flags;
-	int retry;
-	u8 *dst = NULL;
-	u32 len;
-
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	if (!sender->dbi_pkg_support) {
-		dev_err(dev->dev, "No DBI pkg sending on this sender\n");
-		return -ENOTSUPP;
-	}
-
-	if (param_num > MDFLD_MAX_DCS_PARAM) {
-		dev_err(dev->dev, "Sender only supports up to %d DCS params\n",
-							MDFLD_MAX_DCS_PARAM);
-		return -EINVAL;
-	}
-
-	/*
-	 * If dcs is write_mem_start, send it directly using DSI adapter
-	 * interface
-	 */
-	if (dcs == DCS_WRITE_MEM_START) {
-		if (!spin_trylock(&sender->lock))
-			return -EAGAIN;
-
-		/*
-		 * query whether DBI FIFO is empty,
-		 * if not wait it becoming empty
-		 */
-		retry = MDFLD_DSI_DBI_FIFO_TIMEOUT;
-		while (retry &&
-		    !(REG_READ(sender->mipi_gen_fifo_stat_reg) & (1 << 27))) {
-			udelay(500);
-			retry--;
-		}
-
-		/* If DBI FIFO timeout, drop this frame */
-		if (!retry) {
-			spin_unlock(&sender->lock);
-			return 0;
-		}
-
-		*(cb + (index++)) = write_mem_start;
-
-		REG_WRITE(sender->mipi_cmd_len_reg, 1);
-		REG_WRITE(sender->mipi_cmd_addr_reg,
-					cb_phy | (1 << 0) | (1 << 1));
-
-		retry = MDFLD_DSI_DBI_FIFO_TIMEOUT;
-		while (retry &&
-			(REG_READ(sender->mipi_cmd_addr_reg) & (1 << 0))) {
-			udelay(1);
-			retry--;
-		}
-
-		spin_unlock(&sender->lock);
-		return 0;
-	}
-
-	/* Get a free pkg */
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(dev->dev, "No packages memory\n");
-		return -ENOMEM;
-	}
-
-	dst = pkg->pkg.dcs_pkg.param;
-	memcpy(dst, param, param_num);
-
-	pkg->pkg_type = MDFLD_DSI_PKG_DCS;
-	pkg->transmission_type = MDFLD_DSI_DCS;
-	pkg->pkg.dcs_pkg.cmd = dcs;
-	pkg->pkg.dcs_pkg.param_num = param_num;
-	pkg->pkg.dcs_pkg.data_src = data_src;
-
-	INIT_LIST_HEAD(&pkg->entry);
-
-	if (param_num == 0)
-		return mdfld_dsi_send_mcs_short_hs(sender, dcs, 0, 0, delay);
-	else if (param_num == 1)
-		return mdfld_dsi_send_mcs_short_hs(sender, dcs,
-							param[0], 1, delay);
-	else if (param_num > 1) {
-		len = (param_num + 1) / 4;
-		if ((param_num + 1) % 4)
-			len++;
-		return mdfld_dsi_send_mcs_long_hs(sender,
-				(u32 *)&pkg->pkg.dcs_pkg, len, delay);
-	}
-	return 0;
-}
-
-int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender,
-				u8 cmd, u8 param, u8 param_num, int delay)
-{
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num,
-					MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender,
-				u8 cmd, u8 param, u8 param_num, int delay)
-{
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num,
-					MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data,
-				u32 len,
-				int delay)
-{
-	if (!sender || !data || !len) {
-		DRM_ERROR("Invalid parameters\n");
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_mcs_long(sender, data, len,
-					MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data,
-				u32 len,
-				int delay)
-{
-	if (!sender || !data || !len) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_mcs_long(sender, data, len,
-				MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender,
-				u8 param0, u8 param1, u8 param_num, int delay)
-{
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_gen_short(sender, param0, param1, param_num,
-					MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender,
-				u8 param0, u8 param1, u8 param_num, int delay)
-{
-	if (!sender || param_num < 0 || param_num > 2) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_gen_short(sender, param0, param1, param_num,
-					MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data,
-				u32 len,
-				int delay)
-{
-	if (!sender || !data || !len) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_gen_long(sender, data, len,
-					MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data,
-				u32 len,
-				int delay)
-{
-	if (!sender || !data || !len) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_gen_long(sender, data, len,
-					MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_read_gen_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0,
-			u8 param1,
-			u8 param_num,
-			u32 *data,
-			u16 len)
-{
-	if (!sender || !data || param_num < 0 || param_num > 2
-		|| !data || !len) {
-		DRM_ERROR("Invalid parameters\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_read_gen(sender, param0, param1, param_num,
-				data, len, MDFLD_DSI_HS_TRANSMISSION);
-
-}
-
-int mdfld_dsi_read_gen_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0,
-			u8 param1,
-			u8 param_num,
-			u32 *data,
-			u16 len)
-{
-	if (!sender || !data || param_num < 0 || param_num > 2
-		|| !data || !len) {
-		DRM_ERROR("Invalid parameters\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_read_gen(sender, param0, param1, param_num,
-				data, len, MDFLD_DSI_LP_TRANSMISSION);
-}
-
-int mdfld_dsi_read_mcs_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd,
-			u32 *data,
-			u16 len)
-{
-	if (!sender || !data || !len) {
-		DRM_ERROR("Invalid parameters\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_read_mcs(sender, cmd, data, len,
-				MDFLD_DSI_HS_TRANSMISSION);
-}
-
-int mdfld_dsi_read_mcs_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd,
-			u32 *data,
-			u16 len)
-{
-	if (!sender || !data || !len) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_read_mcs(sender, cmd, data, len,
-				MDFLD_DSI_LP_TRANSMISSION);
-}
- 
-int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
-								int pipe)
-{
-	int ret;
-	struct mdfld_dsi_pkg_sender *pkg_sender;
-	struct mdfld_dsi_config *dsi_config =
-					mdfld_dsi_get_config(dsi_connector);
-	struct drm_device *dev = dsi_config->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_gtt *pg = &dev_priv->gtt;
-	int i;
-	struct mdfld_dsi_pkg *pkg, *tmp;
-	u32 mipi_val = 0;
-
-	if (!dsi_connector) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	pkg_sender = dsi_connector->pkg_sender;
-
-	if (!pkg_sender || IS_ERR(pkg_sender)) {
-		pkg_sender = kzalloc(sizeof(struct mdfld_dsi_pkg_sender),
-								GFP_KERNEL);
-		if (!pkg_sender) {
-			dev_err(dev->dev, "Create DSI pkg sender failed\n");
-			return -ENOMEM;
-		}
-
-		dsi_connector->pkg_sender = (void *)pkg_sender;
-	}
-
-	pkg_sender->dev = dev;
-	pkg_sender->dsi_connector = dsi_connector;
-	pkg_sender->pipe = pipe;
-	pkg_sender->pkg_num = 0;
-	pkg_sender->panel_mode = 0;
-	pkg_sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-
-	/* Init dbi command buffer*/
-
-	if (dsi_config->type == MDFLD_DSI_ENCODER_DBI) {
-		pkg_sender->dbi_pkg_support = 1;
-		ret = mdfld_dbi_cb_init(pkg_sender, pg, pipe);
-		if (ret) {
-			dev_err(dev->dev, "DBI command buffer map failed\n");
-			goto mapping_err;
-		}
-	}
-
-	/* Init regs */
-	if (pipe == 0) {
-		pkg_sender->dpll_reg = MRST_DPLL_A;
-		pkg_sender->dspcntr_reg = DSPACNTR;
-		pkg_sender->pipeconf_reg = PIPEACONF;
-		pkg_sender->dsplinoff_reg = DSPALINOFF;
-		pkg_sender->dspsurf_reg = DSPASURF;
-		pkg_sender->pipestat_reg = PIPEASTAT;
-
-		pkg_sender->mipi_intr_stat_reg = MIPIA_INTR_STAT_REG;
-		pkg_sender->mipi_lp_gen_data_reg = MIPIA_LP_GEN_DATA_REG;
-		pkg_sender->mipi_hs_gen_data_reg = MIPIA_HS_GEN_DATA_REG;
-		pkg_sender->mipi_lp_gen_ctrl_reg = MIPIA_LP_GEN_CTRL_REG;
-		pkg_sender->mipi_hs_gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG;
-		pkg_sender->mipi_gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-		pkg_sender->mipi_data_addr_reg = MIPIA_DATA_ADD_REG;
-		pkg_sender->mipi_data_len_reg = MIPIA_DATA_LEN_REG;
-		pkg_sender->mipi_cmd_addr_reg = MIPIA_CMD_ADD_REG;
-		pkg_sender->mipi_cmd_len_reg = MIPIA_CMD_LEN_REG;
-	} else if (pipe == 2) {
-		pkg_sender->dpll_reg = MRST_DPLL_A;
-		pkg_sender->dspcntr_reg = DSPCCNTR;
-		pkg_sender->pipeconf_reg = PIPECCONF;
-		pkg_sender->dsplinoff_reg = DSPCLINOFF;
-		pkg_sender->dspsurf_reg = DSPCSURF;
-		pkg_sender->pipestat_reg = PIPECSTAT;
-
-		pkg_sender->mipi_intr_stat_reg =
-				MIPIA_INTR_STAT_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_lp_gen_data_reg =
-				MIPIA_LP_GEN_DATA_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_hs_gen_data_reg =
-				MIPIA_HS_GEN_DATA_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_lp_gen_ctrl_reg =
-				MIPIA_LP_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_hs_gen_ctrl_reg =
-				MIPIA_HS_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_gen_fifo_stat_reg =
-				MIPIA_GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_data_addr_reg =
-				MIPIA_DATA_ADD_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_data_len_reg =
-				MIPIA_DATA_LEN_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_cmd_addr_reg =
-				MIPIA_CMD_ADD_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_cmd_len_reg =
-				MIPIA_CMD_LEN_REG + MIPIC_REG_OFFSET;
-	}
-
-	/* Init pkg list */
-	INIT_LIST_HEAD(&pkg_sender->pkg_list);
-	INIT_LIST_HEAD(&pkg_sender->free_list);
-
-	spin_lock_init(&pkg_sender->lock);
-
-	/* Allocate free pkg pool */
-	for (i = 0; i < MDFLD_MAX_PKG_NUM; i++) {
-		pkg = kzalloc(sizeof(struct mdfld_dsi_pkg), GFP_KERNEL);
-		if (!pkg) {
-			dev_err(dev->dev, "Out of memory allocating pkg pool");
-			ret = -ENOMEM;
-			goto pkg_alloc_err;
-		}
-		INIT_LIST_HEAD(&pkg->entry);
-		list_add_tail(&pkg->entry, &pkg_sender->free_list);
-	}
-
-	/*
-	 * For video mode, don't enable DPI timing output here,
-	 * will init the DPI timing output during mode setting.
-	 */
-	if (dsi_config->type == MDFLD_DSI_ENCODER_DPI)
-		mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
-	else if (dsi_config->type == MDFLD_DSI_ENCODER_DBI)
-		mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX
-			| TE_TRIGGER_GPIO_PIN;
-	else
-		DRM_ERROR("Bad DSI encoder type\n");
-
-	if (pipe == 0) {
-		mipi_val |= 0x2;
-		REG_WRITE(MIPI, mipi_val);
-		REG_READ(MIPI);
-	} else if (pipe == 2) {
-		REG_WRITE(MIPI_C, mipi_val);
-		REG_READ(MIPI_C);
-	}
-
-	/*do dsi controller init*/
-	dsi_controller_init(dsi_config, pipe);
-	
-	return 0;
-
-pkg_alloc_err:
-	list_for_each_entry_safe(pkg, tmp, &pkg_sender->free_list, entry) {
-		list_del(&pkg->entry);
-		kfree(pkg);
-	}
-
-	/* Free mapped command buffer */
-	mdfld_dbi_cb_destroy(pkg_sender);
-mapping_err:
-	kfree(pkg_sender);
-	dsi_connector->pkg_sender = NULL;
-	return ret;
-}
-
-void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender)
-{
-	struct mdfld_dsi_pkg *pkg, *tmp;
-
-	if (!sender || IS_ERR(sender))
-		return;
-
-	/* Free pkg pool */
-	list_for_each_entry_safe(pkg, tmp, &sender->free_list, entry) {
-		list_del(&pkg->entry);
-		kfree(pkg);
-	}
-	/* Free pkg list */
-	list_for_each_entry_safe(pkg, tmp, &sender->pkg_list, entry) {
-		list_del(&pkg->entry);
-		kfree(pkg);
-	}
-	mdfld_dbi_cb_destroy(sender);	/* free mapped command buffer */
-	kfree(sender);
-}
diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.h b/drivers/staging/gma500/mdfld_dsi_pkg_sender.h
deleted file mode 100644
index f24abc700684..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_pkg_sender.h
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jackie Li<yaodong.li@intel.com>
- */
-#ifndef __MDFLD_DSI_PKG_SENDER_H__
-#define __MDFLD_DSI_PKG_SENDER_H__
-
-#include <linux/kthread.h>
-
-#define MDFLD_MAX_DCS_PARAM	8
-#define MDFLD_MAX_PKG_NUM	2048
-
-enum {
-	MDFLD_DSI_PKG_DCS,
-	MDFLD_DSI_PKG_GEN_SHORT_WRITE_0 = 0x03,
-	MDFLD_DSI_PKG_GEN_SHORT_WRITE_1 = 0x13,
-	MDFLD_DSI_PKG_GEN_SHORT_WRITE_2 = 0x23,
-	MDFLD_DSI_PKG_GEN_READ_0 = 0x04,
-	MDFLD_DSI_PKG_GEN_READ_1 = 0x14,
-	MDFLD_DSI_PKG_GEN_READ_2 = 0x24,
-	MDFLD_DSI_PKG_GEN_LONG_WRITE = 0x29,
-	MDFLD_DSI_PKG_MCS_SHORT_WRITE_0 = 0x05,
-	MDFLD_DSI_PKG_MCS_SHORT_WRITE_1 = 0x15,
-	MDFLD_DSI_PKG_MCS_READ = 0x06,
-	MDFLD_DSI_PKG_MCS_LONG_WRITE = 0x39,
-};
-
-enum {
-	MDFLD_DSI_LP_TRANSMISSION,
-	MDFLD_DSI_HS_TRANSMISSION,
-	MDFLD_DSI_DCS,
-};
-
-enum {
-	MDFLD_DSI_PANEL_MODE_SLEEP = 0x1,
-};
-
-enum {
-	MDFLD_DSI_PKG_SENDER_FREE = 0x0,
-	MDFLD_DSI_PKG_SENDER_BUSY = 0x1,
-};
-
-enum {
-	MDFLD_DSI_SEND_PACKAGE,
-	MDFLD_DSI_QUEUE_PACKAGE,
-};
-
-struct mdfld_dsi_gen_short_pkg {
-	u8 cmd;
-	u8 param;
-};
-
-struct mdfld_dsi_gen_long_pkg {
-	u32 *data;
-	u32 len;
-};
-
-struct mdfld_dsi_dcs_pkg {
-	u8 cmd;
-	u8 param[MDFLD_MAX_DCS_PARAM];
-	u32 param_num;
-	u8 data_src;
-};
-
-struct mdfld_dsi_pkg {
-	u8 pkg_type;
-	u8 transmission_type;
-
-	union {
-		struct mdfld_dsi_gen_short_pkg short_pkg;
-		struct mdfld_dsi_gen_long_pkg long_pkg;
-		struct mdfld_dsi_dcs_pkg dcs_pkg;
-	} pkg;
-
-	struct list_head entry;
-};
-
-struct mdfld_dsi_pkg_sender {
-	struct drm_device *dev;
-	struct mdfld_dsi_connector *dsi_connector;
-	u32 status;
-
-	u32 panel_mode;
-
-	int pipe;
-
-	spinlock_t lock;
-	struct list_head pkg_list;
-	struct list_head free_list;
-
-	u32 pkg_num;
-
-	int dbi_pkg_support;
-
-	u32 dbi_cb_phy;
-	void *dbi_cb_addr;
-
-	/* Registers */
-	u32 dpll_reg;
-	u32 dspcntr_reg;
-	u32 pipeconf_reg;
-	u32 pipestat_reg;
-	u32 dsplinoff_reg;
-	u32 dspsurf_reg;
-
-	u32 mipi_intr_stat_reg;
-	u32 mipi_lp_gen_data_reg;
-	u32 mipi_hs_gen_data_reg;
-	u32 mipi_lp_gen_ctrl_reg;
-	u32 mipi_hs_gen_ctrl_reg;
-	u32 mipi_gen_fifo_stat_reg;
-	u32 mipi_data_addr_reg;
-	u32 mipi_data_len_reg;
-	u32 mipi_cmd_addr_reg;
-	u32 mipi_cmd_len_reg;
-};
-
-/* DCS definitions */
-#define DCS_SOFT_RESET			0x01
-#define DCS_ENTER_SLEEP_MODE		0x10
-#define DCS_EXIT_SLEEP_MODE		0x11
-#define DCS_SET_DISPLAY_OFF		0x28
-#define DCS_SET_DISPLAY_ON		0x29
-#define DCS_SET_COLUMN_ADDRESS		0x2a
-#define DCS_SET_PAGE_ADDRESS		0x2b
-#define DCS_WRITE_MEM_START		0x2c
-#define DCS_SET_TEAR_OFF		0x34
-#define DCS_SET_TEAR_ON 		0x35
-
-extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
-			int pipe);
-extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender);
-extern int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender, u8 dcs,
-			u8 *param, u32 param_num, u8 data_src, int delay);
-extern int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd, u8 param, u8 param_num, int delay);
-extern int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd, u8 param, u8 param_num, int delay);
-extern int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender,
-			u32 *data, u32 len, int delay);
-extern int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender,
-			u32 *data, u32 len, int delay);
-extern int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0, u8 param1, u8 param_num, int delay);
-extern int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0, u8 param1, u8 param_num, int delay);
-extern int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender,
-			u32 *data, u32 len, int delay);
-extern int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender,
-			u32 *data, u32 len, int delay);
-
-extern int mdfld_dsi_read_gen_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0, u8 param1, u8 param_num, u32 *data, u16 len);
-extern int mdfld_dsi_read_gen_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0, u8 param1, u8 param_num, u32 *data, u16 len);
-extern int mdfld_dsi_read_mcs_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd, u32 *data, u16 len);
-extern int mdfld_dsi_read_mcs_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd, u32 *data, u16 len);
-
-extern void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender);
-
-#endif /* __MDFLD_DSI_PKG_SENDER_H__ */
diff --git a/drivers/staging/gma500/mdfld_intel_display.c b/drivers/staging/gma500/mdfld_intel_display.c
deleted file mode 100644
index 0b37b7b6b02a..000000000000
--- a/drivers/staging/gma500/mdfld_intel_display.c
+++ /dev/null
@@ -1,1404 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include "framebuffer.h"
-#include "psb_intel_display.h"
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_dbi_dpu.h"
-
-#include <linux/pm_runtime.h>
-
-#ifdef MIN
-#undef MIN
-#endif
-
-#define MIN(x, y) (((x) < (y)) ? (x) : (y))
-
-/* Hardcoded currently */
-static int ksel = KSEL_CRYSTAL_19;
-
-extern void mdfld_save_display(struct drm_device *dev);
-extern bool gbgfxsuspended;
-
-struct psb_intel_range_t {
-	int min, max;
-};
-
-struct mdfld_limit_t {
-	struct psb_intel_range_t dot, m, p1;
-};
-
-struct mdfld_intel_clock_t {
-	/* given values */
-	int n;
-	int m1, m2;
-	int p1, p2;
-	/* derived values */
-	int dot;
-	int vco;
-	int m;
-	int p;
-};
-
-
-
-#define COUNT_MAX 0x10000000
-
-void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe)
-{
-	int count, temp;
-	u32 pipeconf_reg = PIPEACONF;
-	
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		pipeconf_reg = PIPEBCONF;
-		break;
-	case 2:
-		pipeconf_reg = PIPECCONF;
-		break;
-	default:
-		DRM_ERROR("Illegal Pipe Number. \n");
-		return;
-	}
-
-	/* FIXME JLIU7_PO */
-	psb_intel_wait_for_vblank(dev);
-	return;
-
-	/* Wait for for the pipe disable to take effect. */
-	for (count = 0; count < COUNT_MAX; count++) {
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_PIPE_STATE) == 0)
-			break;
-	}
-}
-
-void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe)
-{
-	int count, temp;
-	u32 pipeconf_reg = PIPEACONF;
-	
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		pipeconf_reg = PIPEBCONF;
-		break;
-	case 2:
-		pipeconf_reg = PIPECCONF;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return;
-	}
-
-	/* FIXME JLIU7_PO */
-	psb_intel_wait_for_vblank(dev);
-	return;
-
-	/* Wait for for the pipe enable to take effect. */
-	for (count = 0; count < COUNT_MAX; count++) {
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_PIPE_STATE) == 1)
-			break;
-	}
-}
-
-
-static int mdfld_intel_crtc_cursor_set(struct drm_crtc *crtc,
-				 struct drm_file *file_priv,
-				 uint32_t handle,
-				 uint32_t width, uint32_t height)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t control = CURACNTR;
-	uint32_t base = CURABASE;
-	uint32_t temp;
-	size_t addr = 0;
-	struct gtt_range *gt;
-	struct drm_gem_object *obj;
-	int ret;
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		control = CURBCNTR;
-		base = CURBBASE;
-		break;
-	case 2:
-		control = CURCCNTR;
-		base = CURCBASE;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number. \n");
-		return -EINVAL;
-	}
-	
-#if 1 /* FIXME_JLIU7 can't enalbe cursorB/C HW issue. need to remove after HW fix */
-	if (pipe != 0)
-		return 0;
-#endif 
-	/* if we want to turn of the cursor ignore width and height */
-	if (!handle) {
-		dev_dbg(dev->dev, "cursor off\n");
-		/* turn off the cursor */
-		temp = 0;
-		temp |= CURSOR_MODE_DISABLE;
-
-		if (gma_power_begin(dev, true)) {
-			REG_WRITE(control, temp);
-			REG_WRITE(base, 0);
-			gma_power_end(dev);
-		}
-		/* Unpin the old GEM object */
-		if (psb_intel_crtc->cursor_obj) {
-			gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-			psb_gtt_unpin(gt);
-			drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-			psb_intel_crtc->cursor_obj = NULL;
-		}
-		return 0;
-	}
-
-	/* Currently we only support 64x64 cursors */
-	if (width != 64 || height != 64) {
-		DRM_ERROR("we currently only support 64x64 cursors\n");
-		return -EINVAL;
-	}
-
-	obj = drm_gem_object_lookup(dev, file_priv, handle);
-	if (!obj)
-		return -ENOENT;
-
-	if (obj->size < width * height * 4) {
-		dev_dbg(dev->dev, "buffer is to small\n");
-		return -ENOMEM;
-	}
-
-	gt = container_of(obj, struct gtt_range, gem);
-
-	/* Pin the memory into the GTT */
-	ret = psb_gtt_pin(gt);
-	if (ret) {
-		dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-		return ret;
-	}
-
-
-	addr = gt->offset;	/* Or resource.start ??? */
-
-	psb_intel_crtc->cursor_addr = addr;
-
-	temp = 0;
-	/* set the pipe for the cursor */
-	temp |= (pipe << 28);
-	temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
-
-	if (gma_power_begin(dev, true)) {
-		REG_WRITE(control, temp);
-		REG_WRITE(base, addr);
-		gma_power_end(dev);
-	}
-	/* unpin the old GEM object */
-	if (psb_intel_crtc->cursor_obj) {
-		gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-		psb_gtt_unpin(gt);
-		drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-		psb_intel_crtc->cursor_obj = obj;
-	}
-	return 0;
-}
-
-static int mdfld_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private * dev_priv = (struct drm_psb_private *)dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	struct psb_drm_dpu_rect rect;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t pos = CURAPOS;
-	uint32_t base = CURABASE;
-	uint32_t temp = 0;
-	uint32_t addr;
-
-	switch (pipe) {
-	case 0:
-		if (dpu_info) {
-			rect.x = x;
-			rect.y = y;
-		
-			mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORA, &rect);
-			mdfld_dpu_exit_dsr(dev);
-		} else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_0))
-			mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_0);
-		break;
-	case 1:
-		pos = CURBPOS;
-		base = CURBBASE;
-		break;
-	case 2:
-		if (dpu_info) {
-			mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORC, &rect);
-			mdfld_dpu_exit_dsr(dev);
-		} else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_2))
-			mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_2);
-		pos = CURCPOS;
-		base = CURCBASE;
-		break;
-	default:
-		DRM_ERROR("Illegal Pipe Number. \n");
-		return -EINVAL;
-	}
-		
-#if 1 /* FIXME_JLIU7 can't enable cursorB/C HW issue. need to remove after HW fix */
-	if (pipe != 0)
-		return 0;
-#endif 
-	if (x < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
-		x = -x;
-	}
-	if (y < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
-		y = -y;
-	}
-
-	temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-	temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-
-	addr = psb_intel_crtc->cursor_addr;
-
-	if (gma_power_begin(dev, true)) {
-		REG_WRITE(pos, temp);
-		REG_WRITE(base, addr);
-		gma_power_end(dev);
-	}
-
-	return 0;
-}
-
-const struct drm_crtc_funcs mdfld_intel_crtc_funcs = {
-	.cursor_set = mdfld_intel_crtc_cursor_set,
-	.cursor_move = mdfld_intel_crtc_cursor_move,
-	.gamma_set = psb_intel_crtc_gamma_set,
-	.set_config = drm_crtc_helper_set_config,
-	.destroy = psb_intel_crtc_destroy,
-};
-
-static struct drm_device globle_dev;
-
-void mdfld__intel_plane_set_alpha(int enable)
-{
-	struct drm_device *dev = &globle_dev;
-	int dspcntr_reg = DSPACNTR;
-	u32 dspcntr;
-
-	dspcntr = REG_READ(dspcntr_reg);
-
-	if (enable) {
-		dspcntr &= ~DISPPLANE_32BPP_NO_ALPHA;
-		dspcntr |= DISPPLANE_32BPP;
-	} else {
-		dspcntr &= ~DISPPLANE_32BPP;
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-	}
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-}
-
-int mdfld__intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_i915_master_private *master_priv; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-	int pipe = psb_intel_crtc->pipe;
-	unsigned long start, offset;
-	int dsplinoff = DSPALINOFF;
-	int dspsurf = DSPASURF;
-	int dspstride = DSPASTRIDE;
-	int dspcntr_reg = DSPACNTR;
-	u32 dspcntr;
-	int ret = 0;
-
-	memcpy(&globle_dev, dev, sizeof(struct drm_device));
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	/* no fb bound */
-	if (!crtc->fb) {
-		dev_err(dev->dev, "No FB bound\n");
-		goto psb_intel_pipe_cleaner;
-	}
-
-	switch (pipe) {
-	case 0:
-		dsplinoff = DSPALINOFF;
-		break;
-	case 1:
-		dsplinoff = DSPBLINOFF;
-		dspsurf = DSPBSURF;
-		dspstride = DSPBSTRIDE;
-		dspcntr_reg = DSPBCNTR;
-		break;
-	case 2:
-		dsplinoff = DSPCLINOFF;
-		dspsurf = DSPCSURF;
-		dspstride = DSPCSTRIDE;
-		dspcntr_reg = DSPCCNTR;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return -EINVAL;
-	}
-
-	ret = psb_gtt_pin(psbfb->gtt);
-	if (ret < 0)
-	        goto psb_intel_pipe_set_base_exit;
-
-	start = psbfb->gtt->offset;
-	offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-	REG_WRITE(dspstride, crtc->fb->pitches[0]);
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-	switch (crtc->fb->bits_per_pixel) {
-	case 8:
-		dspcntr |= DISPPLANE_8BPP;
-		break;
-	case 16:
-		if (crtc->fb->depth == 15)
-			dspcntr |= DISPPLANE_15_16BPP;
-		else
-			dspcntr |= DISPPLANE_16BPP;
-		break;
-	case 24:
-	case 32:
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown color depth\n");
-		ret = -EINVAL;
-		goto psb_intel_pipe_set_base_exit;
-	}
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	dev_dbg(dev->dev, "Writing base %08lX %08lX %d %d\n",
-	                                        start, offset, x, y);
-
-	REG_WRITE(dsplinoff, offset);
-	REG_READ(dsplinoff);
-	REG_WRITE(dspsurf, start);
-	REG_READ(dspsurf);
-
-psb_intel_pipe_cleaner:
-	/* If there was a previous display we can now unpin it */
-	if (old_fb)
-		psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
-
-psb_intel_pipe_set_base_exit:
-	gma_power_end(dev);
-	return ret;
-}
-
-/**
- * Disable the pipe, plane and pll.
- *
- */
-void mdfld_disable_crtc (struct drm_device *dev, int pipe)
-{
-	int dpll_reg = MRST_DPLL_A;
-	int dspcntr_reg = DSPACNTR;
-	int dspbase_reg = MRST_DSPABASE;
-	int pipeconf_reg = PIPEACONF;
-	u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG;
-	u32 temp;
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		dpll_reg = MDFLD_DPLL_B;
-		dspcntr_reg = DSPBCNTR;
-		dspbase_reg = DSPBSURF;
-		pipeconf_reg = PIPEBCONF;
-		break;
-	case 2:
-		dpll_reg = MRST_DPLL_A;
-		dspcntr_reg = DSPCCNTR;
-		dspbase_reg = MDFLD_DSPCBASE;
-		pipeconf_reg = PIPECCONF;
-		gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number. \n");
-		return;
-	}
-
-	if (pipe != 1)
-		mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
-	/* Disable display plane */
-	temp = REG_READ(dspcntr_reg);
-	if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-		REG_WRITE(dspcntr_reg,
-			  temp & ~DISPLAY_PLANE_ENABLE);
-		/* Flush the plane changes */
-		REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		REG_READ(dspbase_reg);
-	}
-
-	/* FIXME_JLIU7 MDFLD_PO revisit */
-	/* Wait for vblank for the disable to take effect */
-/* MDFLD_PO_JLIU7		psb_intel_wait_for_vblank(dev); */
-
-	/* Next, disable display pipes */
-	temp = REG_READ(pipeconf_reg);
-	if ((temp & PIPEACONF_ENABLE) != 0) {
-		temp &= ~PIPEACONF_ENABLE;
-		temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
-		REG_WRITE(pipeconf_reg, temp);
-		REG_READ(pipeconf_reg);
-
-		/* Wait for for the pipe disable to take effect. */
-		mdfldWaitForPipeDisable(dev, pipe);
-	}
-
-	temp = REG_READ(dpll_reg);
-	if (temp & DPLL_VCO_ENABLE) {
-		if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE))
-				|| (pipe == 1)){
-			temp &= ~(DPLL_VCO_ENABLE);
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to turn off. */
-			/* FIXME_MDFLD PO may need more delay */
-			udelay(500);
-
-			if (!(temp & MDFLD_PWR_GATE_EN)) {
-				/* gating power of DPLL */
-				REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN);
-				/* FIXME_MDFLD PO - change 500 to 1 after PO */
-				udelay(5000);
-			}
-		}
-	}
-
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void mdfld_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = MRST_DPLL_A;
-	int dspcntr_reg = DSPACNTR;
-	int dspbase_reg = MRST_DSPABASE;
-	int pipeconf_reg = PIPEACONF;
-	u32 pipestat_reg = PIPEASTAT;
-	u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG;
-	u32 pipeconf = dev_priv->pipeconf;
-	u32 dspcntr = dev_priv->dspcntr;
-	u32 mipi_enable_reg = MIPIA_DEVICE_READY_REG;
-	u32 temp;
-	bool enabled;
-	int timeout = 0;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	 /* Ignore if system is already in DSR and in suspended state. */
-	if(/*gbgfxsuspended */0 && dev_priv->dispstatus == false && mode == 3){
-	    if(dev_priv->rpm_enabled && pipe == 1){
-	//          dev_priv->is_mipi_on = false;
-	          pm_request_idle(&dev->pdev->dev);
-	    }
-	    return;
-	}else if(mode == 0) {
-		//do not need to set gbdispstatus=true in crtc.
-		//this will be set in encoder such as mdfld_dsi_dbi_dpms
-	    //gbdispstatus = true;
-	}
-
-/* FIXME_JLIU7 MDFLD_PO replaced w/ the following function */
-/* mdfld_dbi_dpms (struct drm_device *dev, int pipe, bool enabled) */
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		dpll_reg = DPLL_B;
-		dspcntr_reg = DSPBCNTR;
-		dspbase_reg = MRST_DSPBBASE;
-		pipeconf_reg = PIPEBCONF;
-		pipeconf = dev_priv->pipeconf1;
-		dspcntr = dev_priv->dspcntr1;
-		dpll_reg = MDFLD_DPLL_B;
-		break;
-	case 2:
-		dpll_reg = MRST_DPLL_A;
-		dspcntr_reg = DSPCCNTR;
-		dspbase_reg = MDFLD_DSPCBASE;
-		pipeconf_reg = PIPECCONF;
-		pipestat_reg = PIPECSTAT;
-		pipeconf = dev_priv->pipeconf2;
-		dspcntr = dev_priv->dspcntr2;
-		gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET;
-		mipi_enable_reg = MIPIA_DEVICE_READY_REG + MIPIC_REG_OFFSET;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return;
-	}
-
-	/* XXX: When our outputs are all unaware of DPMS modes other than off
-	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-	 */
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable the DPLL */
-		temp = REG_READ(dpll_reg);
-
-		if ((temp & DPLL_VCO_ENABLE) == 0) {
-			/* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
-			if (temp & MDFLD_PWR_GATE_EN) {
-				temp &= ~MDFLD_PWR_GATE_EN;
-				REG_WRITE(dpll_reg, temp);
-				/* FIXME_MDFLD PO - change 500 to 1 after PO */
-				udelay(500);
-			}
-
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-			
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-
-			/**
-			 * wait for DSI PLL to lock
-			 * NOTE: only need to poll status of pipe 0 and pipe 1,
-			 * since both MIPI pipes share the same PLL.
-			 */
-			while ((pipe != 2) && (timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
-				udelay(150);
-				timeout ++;
-			}
-		}
-
-		/* Enable the plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(dspcntr_reg,
-				temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		}
-
-		/* Enable the pipe */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) == 0) {
-			REG_WRITE(pipeconf_reg, pipeconf);
-
-			/* Wait for for the pipe enable to take effect. */
-			mdfldWaitForPipeEnable(dev, pipe);
-		}
-
-		/*workaround for sighting 3741701 Random X blank display*/
-		/*perform w/a in video mode only on pipe A or C*/
-		if ((pipe == 0 || pipe == 2) &&
-			(mdfld_panel_dpi(dev) == true)) {
-			REG_WRITE(pipestat_reg, REG_READ(pipestat_reg));
-			msleep(100);
-			if(PIPE_VBLANK_STATUS & REG_READ(pipestat_reg)) {
-				printk(KERN_ALERT "OK");
-			} else {
-				printk(KERN_ALERT "STUCK!!!!");
-				/*shutdown controller*/
-				temp = REG_READ(dspcntr_reg);
-				REG_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE);
-				REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-				/*mdfld_dsi_dpi_shut_down(dev, pipe);*/
-				REG_WRITE(0xb048, 1);
-				msleep(100);
-				temp = REG_READ(pipeconf_reg);
-				temp &= ~PIPEACONF_ENABLE;
-				REG_WRITE(pipeconf_reg, temp);
-				msleep(100); /*wait for pipe disable*/
-			/*printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008));
-			printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074));*/
-				REG_WRITE(mipi_enable_reg, 0);
-				msleep(100);
-			printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008));
-			printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074));
-				REG_WRITE(0xb004, REG_READ(0xb004));
-				/* try to bring the controller back up again*/
-				REG_WRITE(mipi_enable_reg, 1);
-				temp = REG_READ(dspcntr_reg);
-				REG_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE);
-				REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-				/*mdfld_dsi_dpi_turn_on(dev, pipe);*/
-				REG_WRITE(0xb048, 2);
-				msleep(100);
-				temp = REG_READ(pipeconf_reg);
-				temp |= PIPEACONF_ENABLE;
-				REG_WRITE(pipeconf_reg, temp);
-			}
-		}
-
-		psb_intel_crtc_load_lut(crtc);
-
-		/* Give the overlay scaler a chance to enable
-		   if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
-
-		break;
-	case DRM_MODE_DPMS_OFF:
-		/* Give the overlay scaler a chance to disable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-		if (pipe != 1)
-			mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
-		/* Disable the VGA plane that we never use */
-		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-		/* Disable display plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp & ~DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-			REG_READ(dspbase_reg);
-		}
-
-		/* FIXME_JLIU7 MDFLD_PO revisit */
-		/* Wait for vblank for the disable to take effect */
-// MDFLD_PO_JLIU7		psb_intel_wait_for_vblank(dev);
-
-		/* Next, disable display pipes */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			temp &= ~PIPEACONF_ENABLE;
-			temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
-			REG_WRITE(pipeconf_reg, temp);
-//			REG_WRITE(pipeconf_reg, 0);
-			REG_READ(pipeconf_reg);
-
-			/* Wait for for the pipe disable to take effect. */
-			mdfldWaitForPipeDisable(dev, pipe);
-		}
-
-		temp = REG_READ(dpll_reg);
-		if (temp & DPLL_VCO_ENABLE) {
-			if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE))
-					|| (pipe == 1)){
-				temp &= ~(DPLL_VCO_ENABLE);
-				REG_WRITE(dpll_reg, temp);
-				REG_READ(dpll_reg);
-				/* Wait for the clocks to turn off. */
-				/* FIXME_MDFLD PO may need more delay */
-				udelay(500);
-#if 0 /* MDFLD_PO_JLIU7 */	
-		if (!(temp & MDFLD_PWR_GATE_EN)) {
-			/* gating power of DPLL */
-			REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(5000);
-		}
-#endif  /* MDFLD_PO_JLIU7 */	
-			}
-		}
-		break;
-	}
-
-	enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-
-#if 0				/* JB: Add vblank support later */
-	if (enabled)
-		dev_priv->vblank_pipe |= (1 << pipe);
-	else
-		dev_priv->vblank_pipe &= ~(1 << pipe);
-#endif
-
-	gma_power_end(dev);
-}
-
-
-#define MDFLD_LIMT_DPLL_19	    0
-#define MDFLD_LIMT_DPLL_25	    1
-#define MDFLD_LIMT_DPLL_83	    2
-#define MDFLD_LIMT_DPLL_100	    3
-#define MDFLD_LIMT_DSIPLL_19	    4
-#define MDFLD_LIMT_DSIPLL_25	    5
-#define MDFLD_LIMT_DSIPLL_83	    6
-#define MDFLD_LIMT_DSIPLL_100	    7
-
-#define MDFLD_DOT_MIN		  19750  /* FIXME_MDFLD JLIU7 need to find out  min & max for MDFLD */
-#define MDFLD_DOT_MAX		  120000
-#define MDFLD_DPLL_M_MIN_19	    113
-#define MDFLD_DPLL_M_MAX_19	    155
-#define MDFLD_DPLL_P1_MIN_19	    2
-#define MDFLD_DPLL_P1_MAX_19	    10
-#define MDFLD_DPLL_M_MIN_25	    101
-#define MDFLD_DPLL_M_MAX_25	    130
-#define MDFLD_DPLL_P1_MIN_25	    2
-#define MDFLD_DPLL_P1_MAX_25	    10
-#define MDFLD_DPLL_M_MIN_83	    64
-#define MDFLD_DPLL_M_MAX_83	    64
-#define MDFLD_DPLL_P1_MIN_83	    2
-#define MDFLD_DPLL_P1_MAX_83	    2
-#define MDFLD_DPLL_M_MIN_100	    64
-#define MDFLD_DPLL_M_MAX_100	    64
-#define MDFLD_DPLL_P1_MIN_100	    2
-#define MDFLD_DPLL_P1_MAX_100	    2
-#define MDFLD_DSIPLL_M_MIN_19	    131
-#define MDFLD_DSIPLL_M_MAX_19	    175
-#define MDFLD_DSIPLL_P1_MIN_19	    3
-#define MDFLD_DSIPLL_P1_MAX_19	    8
-#define MDFLD_DSIPLL_M_MIN_25	    97
-#define MDFLD_DSIPLL_M_MAX_25	    140
-#define MDFLD_DSIPLL_P1_MIN_25	    3
-#define MDFLD_DSIPLL_P1_MAX_25	    9
-#define MDFLD_DSIPLL_M_MIN_83	    33
-#define MDFLD_DSIPLL_M_MAX_83	    92
-#define MDFLD_DSIPLL_P1_MIN_83	    2
-#define MDFLD_DSIPLL_P1_MAX_83	    3
-#define MDFLD_DSIPLL_M_MIN_100	    97
-#define MDFLD_DSIPLL_M_MAX_100	    140
-#define MDFLD_DSIPLL_P1_MIN_100	    3
-#define MDFLD_DSIPLL_P1_MAX_100	    9
-
-static const struct mdfld_limit_t mdfld_limits[] = {
-	{			/* MDFLD_LIMT_DPLL_19 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DPLL_M_MIN_19, .max = MDFLD_DPLL_M_MAX_19},
-	 .p1 = {.min = MDFLD_DPLL_P1_MIN_19, .max = MDFLD_DPLL_P1_MAX_19},
-	 },
-	{			/* MDFLD_LIMT_DPLL_25 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DPLL_M_MIN_25, .max = MDFLD_DPLL_M_MAX_25},
-	 .p1 = {.min = MDFLD_DPLL_P1_MIN_25, .max = MDFLD_DPLL_P1_MAX_25},
-	 },
-	{			/* MDFLD_LIMT_DPLL_83 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DPLL_M_MIN_83, .max = MDFLD_DPLL_M_MAX_83},
-	 .p1 = {.min = MDFLD_DPLL_P1_MIN_83, .max = MDFLD_DPLL_P1_MAX_83},
-	 },
-	{			/* MDFLD_LIMT_DPLL_100 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DPLL_M_MIN_100, .max = MDFLD_DPLL_M_MAX_100},
-	 .p1 = {.min = MDFLD_DPLL_P1_MIN_100, .max = MDFLD_DPLL_P1_MAX_100},
-	 },
-	{			/* MDFLD_LIMT_DSIPLL_19 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DSIPLL_M_MIN_19, .max = MDFLD_DSIPLL_M_MAX_19},
-	 .p1 = {.min = MDFLD_DSIPLL_P1_MIN_19, .max = MDFLD_DSIPLL_P1_MAX_19},
-	 },
-	{			/* MDFLD_LIMT_DSIPLL_25 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DSIPLL_M_MIN_25, .max = MDFLD_DSIPLL_M_MAX_25},
-	 .p1 = {.min = MDFLD_DSIPLL_P1_MIN_25, .max = MDFLD_DSIPLL_P1_MAX_25},
-	 },
-	{			/* MDFLD_LIMT_DSIPLL_83 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DSIPLL_M_MIN_83, .max = MDFLD_DSIPLL_M_MAX_83},
-	 .p1 = {.min = MDFLD_DSIPLL_P1_MIN_83, .max = MDFLD_DSIPLL_P1_MAX_83},
-	 },
-	{			/* MDFLD_LIMT_DSIPLL_100 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DSIPLL_M_MIN_100, .max = MDFLD_DSIPLL_M_MAX_100},
-	 .p1 = {.min = MDFLD_DSIPLL_P1_MIN_100, .max = MDFLD_DSIPLL_P1_MAX_100},
-	 },
-};
-
-#define MDFLD_M_MIN	    21
-#define MDFLD_M_MAX	    180
-static const u32 mdfld_m_converts[] = {
-/* M configuration table from 9-bit LFSR table */
-	224, 368, 440, 220, 366, 439, 219, 365, 182, 347, /* 21 - 30 */
-	173, 342, 171, 85, 298, 149, 74, 37, 18, 265,   /* 31 - 40 */
-	388, 194, 353, 432, 216, 108, 310, 155, 333, 166, /* 41 - 50 */
-	83, 41, 276, 138, 325, 162, 337, 168, 340, 170, /* 51 - 60 */
-	341, 426, 469, 234, 373, 442, 221, 110, 311, 411, /* 61 - 70 */
-	461, 486, 243, 377, 188, 350, 175, 343, 427, 213, /* 71 - 80 */
-	106, 53, 282, 397, 354, 227, 113, 56, 284, 142, /* 81 - 90 */
-	71, 35, 273, 136, 324, 418, 465, 488, 500, 506, /* 91 - 100 */
-	253, 126, 63, 287, 399, 455, 483, 241, 376, 444, /* 101 - 110 */
-	478, 495, 503, 251, 381, 446, 479, 239, 375, 443, /* 111 - 120 */
-	477, 238, 119, 315, 157, 78, 295, 147, 329, 420, /* 121 - 130 */
-	210, 105, 308, 154, 77, 38, 275, 137, 68, 290, /* 131 - 140 */
-	145, 328, 164, 82, 297, 404, 458, 485, 498, 249, /* 141 - 150 */
-	380, 190, 351, 431, 471, 235, 117, 314, 413, 206, /* 151 - 160 */
-	103, 51, 25, 12, 262, 387, 193, 96, 48, 280, /* 161 - 170 */
-	396, 198, 99, 305, 152, 76, 294, 403, 457, 228, /* 171 - 180 */
-};
-
-static const struct mdfld_limit_t *mdfld_limit(struct drm_crtc *crtc)
-{
-	const struct mdfld_limit_t *limit = NULL;
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)
-	    || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI2)) {
-		if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
-			limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_19];
-		else if (ksel == KSEL_BYPASS_25) 
-			limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_25];
-		else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166))
-			limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_83];
-		else if ((ksel == KSEL_BYPASS_83_100) &&
-			 (dev_priv->core_freq == 100 || dev_priv->core_freq == 200))
-			limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_100];
-	} else if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) {
-		if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
-			limit = &mdfld_limits[MDFLD_LIMT_DPLL_19];
-		else if (ksel == KSEL_BYPASS_25) 
-			limit = &mdfld_limits[MDFLD_LIMT_DPLL_25];
-		else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166))
-			limit = &mdfld_limits[MDFLD_LIMT_DPLL_83];
-		else if ((ksel == KSEL_BYPASS_83_100) &&
-			 (dev_priv->core_freq == 100 || dev_priv->core_freq == 200))
-			limit = &mdfld_limits[MDFLD_LIMT_DPLL_100];
-	} else {
-		limit = NULL;
-		dev_err(dev->dev, "mdfld_limit Wrong display type.\n");
-	}
-
-	return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-static void mdfld_clock(int refclk, struct mdfld_intel_clock_t *clock)
-{
-	clock->dot = (refclk * clock->m) / clock->p1;
-}
-
-/**
- * Returns a set of divisors for the desired target clock with the given refclk,
- * or FALSE.  Divisor values are the actual divisors for
- */
-static bool
-mdfldFindBestPLL(struct drm_crtc *crtc, int target, int refclk,
-		struct mdfld_intel_clock_t *best_clock)
-{
-	struct mdfld_intel_clock_t clock;
-	const struct mdfld_limit_t *limit = mdfld_limit(crtc);
-	int err = target;
-
-	memset(best_clock, 0, sizeof(*best_clock));
-
-	for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
-		for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
-		     clock.p1++) {
-			int this_err;
-
-			mdfld_clock(refclk, &clock);
-
-			this_err = abs(clock.dot - target);
-			if (this_err < err) {
-				*best_clock = clock;
-				err = this_err;
-			}
-		}
-	}
-	return err != target;
-}
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int mdfld_panel_fitter_pipe(struct drm_device *dev)
-{
-	u32 pfit_control;
-
-	pfit_control = REG_READ(PFIT_CONTROL);
-
-	/* See if the panel fitter is in use */
-	if ((pfit_control & PFIT_ENABLE) == 0)
-		return -1;
-	return (pfit_control >> 29) & 3;
-}
-
-static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
-			      struct drm_display_mode *mode,
-			      struct drm_display_mode *adjusted_mode,
-			      int x, int y,
-			      struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int pipe = psb_intel_crtc->pipe;
-	int fp_reg = MRST_FPA0;
-	int dpll_reg = MRST_DPLL_A;
-	int dspcntr_reg = DSPACNTR;
-	int pipeconf_reg = PIPEACONF;
-	int htot_reg = HTOTAL_A;
-	int hblank_reg = HBLANK_A;
-	int hsync_reg = HSYNC_A;
-	int vtot_reg = VTOTAL_A;
-	int vblank_reg = VBLANK_A;
-	int vsync_reg = VSYNC_A;
-	int dspsize_reg = DSPASIZE; 
-	int dsppos_reg = DSPAPOS; 
-	int pipesrc_reg = PIPEASRC;
-	u32 *pipeconf = &dev_priv->pipeconf;
-	u32 *dspcntr = &dev_priv->dspcntr;
-	int refclk = 0;
-	int clk_n = 0, clk_p2 = 0, clk_byte = 1, clk = 0, m_conv = 0, clk_tmp = 0;
-	struct mdfld_intel_clock_t clock;
-	bool ok;
-	u32 dpll = 0, fp = 0;
-	bool is_crt = false, is_lvds = false, is_tv = false;
-	bool is_mipi = false, is_mipi2 = false, is_hdmi = false;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct psb_intel_output *psb_intel_output = NULL;
-	uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN;
-	struct drm_encoder *encoder;
-	struct drm_connector *connector;
-	int timeout = 0;
-
-	dev_dbg(dev->dev, "pipe = 0x%x \n", pipe);
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		fp_reg = FPB0;
-		dpll_reg = DPLL_B;
-		dspcntr_reg = DSPBCNTR;
-		pipeconf_reg = PIPEBCONF;
-		htot_reg = HTOTAL_B;
-		hblank_reg = HBLANK_B;
-		hsync_reg = HSYNC_B;
-		vtot_reg = VTOTAL_B;
-		vblank_reg = VBLANK_B;
-		vsync_reg = VSYNC_B;
-		dspsize_reg = DSPBSIZE; 
-		dsppos_reg = DSPBPOS; 
-		pipesrc_reg = PIPEBSRC;
-		pipeconf = &dev_priv->pipeconf1;
-		dspcntr = &dev_priv->dspcntr1;
-		fp_reg = MDFLD_DPLL_DIV0;
-		dpll_reg = MDFLD_DPLL_B;
-		break;
-	case 2:
-		dpll_reg = MRST_DPLL_A;
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-		htot_reg = HTOTAL_C;
-		hblank_reg = HBLANK_C;
-		hsync_reg = HSYNC_C;
-		vtot_reg = VTOTAL_C;
-		vblank_reg = VBLANK_C;
-		vsync_reg = VSYNC_C;
-		dspsize_reg = DSPCSIZE; 
-		dsppos_reg = DSPCPOS; 
-		pipesrc_reg = PIPECSRC;
-		pipeconf = &dev_priv->pipeconf2;
-		dspcntr = &dev_priv->dspcntr2;
-		break;
-	default:
-		DRM_ERROR("Illegal Pipe Number. \n");
-		return 0;
-	}
-
-	dev_dbg(dev->dev, "adjusted_hdisplay = %d\n",
-		 adjusted_mode->hdisplay);
-	dev_dbg(dev->dev, "adjusted_vdisplay = %d\n",
-		 adjusted_mode->vdisplay);
-	dev_dbg(dev->dev, "adjusted_hsync_start = %d\n",
-		 adjusted_mode->hsync_start);
-	dev_dbg(dev->dev, "adjusted_hsync_end = %d\n",
-		 adjusted_mode->hsync_end);
-	dev_dbg(dev->dev, "adjusted_htotal = %d\n",
-		 adjusted_mode->htotal);
-	dev_dbg(dev->dev, "adjusted_vsync_start = %d\n",
-		 adjusted_mode->vsync_start);
-	dev_dbg(dev->dev, "adjusted_vsync_end = %d\n",
-		 adjusted_mode->vsync_end);
-	dev_dbg(dev->dev, "adjusted_vtotal = %d\n",
-		 adjusted_mode->vtotal);
-	dev_dbg(dev->dev, "adjusted_clock = %d\n",
-		 adjusted_mode->clock);
-	dev_dbg(dev->dev, "hdisplay = %d\n",
-		 mode->hdisplay);
-	dev_dbg(dev->dev, "vdisplay = %d\n",
-		 mode->vdisplay);
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	memcpy(&psb_intel_crtc->saved_mode, mode, sizeof(struct drm_display_mode));
-	memcpy(&psb_intel_crtc->saved_adjusted_mode, adjusted_mode, sizeof(struct drm_display_mode));
-
-	list_for_each_entry(connector, &mode_config->connector_list, head) {
-			
-		encoder = connector->encoder;
-		
-		if(!encoder)
-			continue;
-
-		if (encoder->crtc != crtc)
-			continue;
-
-		psb_intel_output = to_psb_intel_output(connector);
-		
-		dev_dbg(dev->dev, "output->type = 0x%x \n", psb_intel_output->type);
-
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-			is_lvds = true;
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			is_tv = true;
-			break;
-		case INTEL_OUTPUT_ANALOG:
-			is_crt = true;
-			break;
-		case INTEL_OUTPUT_MIPI:
-			is_mipi = true;
-			break;
-		case INTEL_OUTPUT_MIPI2:
-			is_mipi2 = true;
-			break;
-		case INTEL_OUTPUT_HDMI:
-			is_hdmi = true;
-			break;
-		}
-	}
-
-	/* Disable the VGA plane that we never use */
-	REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-	/* Disable the panel fitter if it was on our pipe */
-	if (mdfld_panel_fitter_pipe(dev) == pipe)
-		REG_WRITE(PFIT_CONTROL, 0);
-
-	/* pipesrc and dspsize control the size that is scaled from,
-	 * which should always be the user's requested size.
-	 */
-	if (pipe == 1) {
-		/* FIXME: To make HDMI display with 864x480 (TPO), 480x864 (PYR) or 480x854 (TMD), set the sprite
-		 * width/height and souce image size registers with the adjusted mode for pipe B. */
-
-		/* The defined sprite rectangle must always be completely contained within the displayable
-		 * area of the screen image (frame buffer). */
-		REG_WRITE(dspsize_reg, ((MIN(mode->crtc_vdisplay, adjusted_mode->crtc_vdisplay) - 1) << 16)
-				| (MIN(mode->crtc_hdisplay, adjusted_mode->crtc_hdisplay) - 1));
-		/* Set the CRTC with encoder mode. */
-		REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16)
-				 | (mode->crtc_vdisplay - 1));
-	} else {
-		REG_WRITE(dspsize_reg, ((mode->crtc_vdisplay - 1) << 16) | (mode->crtc_hdisplay - 1));
-		REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16) | (mode->crtc_vdisplay - 1));
-	}
-
-	REG_WRITE(dsppos_reg, 0);
-
-	if (psb_intel_output)
-		drm_connector_property_get_value(&psb_intel_output->base,
-			dev->mode_config.scaling_mode_property, &scalingType);
-
-	if (scalingType == DRM_MODE_SCALE_NO_SCALE) {
-		/*
-		 *	Medfield doesn't have register support for centering so
-		 *	we need to mess with the h/vblank and h/vsync start and
-		 *	ends to get central
-		 */
-		int offsetX = 0, offsetY = 0;
-
-		offsetX = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
-		offsetY = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
-
-		REG_WRITE(htot_reg, (mode->crtc_hdisplay - 1) |
-			((adjusted_mode->crtc_htotal - 1) << 16));
-		REG_WRITE(vtot_reg, (mode->crtc_vdisplay - 1) |
-			((adjusted_mode->crtc_vtotal - 1) << 16));
-		REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - offsetX - 1) |
-			((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16));
-		REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - offsetX - 1) |
-			((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16));
-		REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - offsetY - 1) |
-			((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16));
-		REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - offsetY - 1) |
-			((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16));
-	} else {
-		REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-			((adjusted_mode->crtc_htotal - 1) << 16));
-		REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-			((adjusted_mode->crtc_vtotal - 1) << 16));
-		REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-			((adjusted_mode->crtc_hblank_end - 1) << 16));
-		REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-			((adjusted_mode->crtc_hsync_end - 1) << 16));
-		REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-			((adjusted_mode->crtc_vblank_end - 1) << 16));
-		REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-			((adjusted_mode->crtc_vsync_end - 1) << 16));
-	}
-
-	/* Flush the plane changes */
-	{
-		struct drm_crtc_helper_funcs *crtc_funcs =
-		    crtc->helper_private;
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-	}
-
-	/* setup pipeconf */
-	*pipeconf = PIPEACONF_ENABLE; /* FIXME_JLIU7 REG_READ(pipeconf_reg); */
-
-	/* Set up the display plane register */
- 	*dspcntr = REG_READ(dspcntr_reg);
-	*dspcntr |= pipe << DISPPLANE_SEL_PIPE_POS;
-	*dspcntr |= DISPLAY_PLANE_ENABLE;
-/* MDFLD_PO_JLIU7	dspcntr |= DISPPLANE_BOTTOM; */
-/* MDFLD_PO_JLIU7	dspcntr |= DISPPLANE_GAMMA_ENABLE; */
-
-	if (is_mipi2)
-	{
-		goto mrst_crtc_mode_set_exit;
-	}
-/* FIXME JLIU7 Add MDFLD HDMI supports */
-/* FIXME_MDFLD JLIU7 DSIPLL clock *= 8? */
-/* FIXME_MDFLD JLIU7 need to revist for dual MIPI supports */
-	clk = adjusted_mode->clock;
-
-	if (is_hdmi) {
-		if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
-		{
-			refclk = 19200;
-
-			if (is_mipi || is_mipi2)
-			{
-				clk_n = 1, clk_p2 = 8;
-			} else if (is_hdmi) {
-				clk_n = 1, clk_p2 = 10;
-			}
-		} else if (ksel == KSEL_BYPASS_25) { 
-			refclk = 25000;
-
-			if (is_mipi || is_mipi2)
-			{
-				clk_n = 1, clk_p2 = 8;
-			} else if (is_hdmi) {
-				clk_n = 1, clk_p2 = 10;
-			}
-		} else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166)) {
-			refclk = 83000;
-
-			if (is_mipi || is_mipi2)
-			{
-				clk_n = 4, clk_p2 = 8;
-			} else if (is_hdmi) {
-				clk_n = 4, clk_p2 = 10;
-			}
-		} else if ((ksel == KSEL_BYPASS_83_100) &&
-			   (dev_priv->core_freq == 100 || dev_priv->core_freq == 200)) {
-			refclk = 100000;
-			if (is_mipi || is_mipi2)
-			{
-				clk_n = 4, clk_p2 = 8;
-			} else if (is_hdmi) {
-				clk_n = 4, clk_p2 = 10;
-			}
-		}
-
-		if (is_mipi)
-			clk_byte = dev_priv->bpp / 8;
-		else if (is_mipi2)
-			clk_byte = dev_priv->bpp2 / 8;
-	
-		clk_tmp = clk * clk_n * clk_p2 * clk_byte;
-
-		dev_dbg(dev->dev, "clk = %d, clk_n = %d, clk_p2 = %d. \n", clk, clk_n, clk_p2);
-		dev_dbg(dev->dev, "adjusted_mode->clock = %d, clk_tmp = %d. \n", adjusted_mode->clock, clk_tmp);
-
-		ok = mdfldFindBestPLL(crtc, clk_tmp, refclk, &clock);
-
-		if (!ok) {
-			dev_err(dev->dev, 
-			   "mdfldFindBestPLL fail in mdfld_crtc_mode_set. \n");
-		} else {
-			m_conv = mdfld_m_converts[(clock.m - MDFLD_M_MIN)];
-
-			dev_dbg(dev->dev, "dot clock = %d,"
-				 "m = %d, p1 = %d, m_conv = %d. \n", clock.dot, clock.m,
-				 clock.p1, m_conv);
-		}
-
-		dpll = REG_READ(dpll_reg);
-
-		if (dpll & DPLL_VCO_ENABLE) {
-			dpll &= ~DPLL_VCO_ENABLE;
-			REG_WRITE(dpll_reg, dpll);
-			REG_READ(dpll_reg);
-
-			/* FIXME jliu7 check the DPLL lock bit PIPEACONF[29] */
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-
-			/* reset M1, N1 & P1 */
-			REG_WRITE(fp_reg, 0);
-			dpll &= ~MDFLD_P1_MASK;
-			REG_WRITE(dpll_reg, dpll);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-		}
-
-		/* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
-		if (dpll & MDFLD_PWR_GATE_EN) {
-			dpll &= ~MDFLD_PWR_GATE_EN;
-			REG_WRITE(dpll_reg, dpll);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-		}	
-
-		dpll = 0; 
-
-#if 0 /* FIXME revisit later */
-		if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19) || (ksel == KSEL_BYPASS_25)) {
-			dpll &= ~MDFLD_INPUT_REF_SEL;	
-		} else if (ksel == KSEL_BYPASS_83_100) { 
-			dpll |= MDFLD_INPUT_REF_SEL;	
-		}
-#endif /* FIXME revisit later */
-
-		if (is_hdmi)
-			dpll |= MDFLD_VCO_SEL;	
-
-		fp = (clk_n / 2) << 16;
-		fp |= m_conv; 
-
-		/* compute bitmask from p1 value */
-		dpll |= (1 << (clock.p1 - 2)) << 17;
-
-#if 0 /* 1080p30 & 720p */
-        	dpll = 0x00050000;
-        	fp = 0x000001be;
-#endif 
-#if 0 /* 480p */
-        	dpll = 0x02010000;
-        	fp = 0x000000d2;
-#endif 
-	} else {
-#if 0 /*DBI_TPO_480x864*/
-		dpll = 0x00020000;
-		fp = 0x00000156; 
-#endif /* DBI_TPO_480x864 */ /* get from spec. */
-
-        	dpll = 0x00800000;
-	        fp = 0x000000c1;
-}
-
-	REG_WRITE(fp_reg, fp);
-	REG_WRITE(dpll_reg, dpll);
-	/* FIXME_MDFLD PO - change 500 to 1 after PO */
-	udelay(500);
-
-	dpll |= DPLL_VCO_ENABLE;
-	REG_WRITE(dpll_reg, dpll);
-	REG_READ(dpll_reg);
-
-	/* wait for DSI PLL to lock */
-	while ((timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
-		udelay(150);
-		timeout ++;
-	}
-
-	if (is_mipi)
-		goto mrst_crtc_mode_set_exit;
-
-	dev_dbg(dev->dev, "is_mipi = 0x%x \n", is_mipi);
-
-	REG_WRITE(pipeconf_reg, *pipeconf);
-	REG_READ(pipeconf_reg);
-
-	/* Wait for for the pipe enable to take effect. */
-//FIXME_JLIU7 HDMI	mrstWaitForPipeEnable(dev);
-
-	REG_WRITE(dspcntr_reg, *dspcntr);
-	psb_intel_wait_for_vblank(dev);
-
-mrst_crtc_mode_set_exit:
-
-	gma_power_end(dev);
-
-	return 0;
-}
-
-static void mdfld_crtc_prepare(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void mdfld_crtc_commit(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-static bool mdfld_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-const struct drm_crtc_helper_funcs mdfld_helper_funcs = {
-	.dpms = mdfld_crtc_dpms,
-	.mode_fixup = mdfld_crtc_mode_fixup,
-	.mode_set = mdfld_crtc_mode_set,
-	.mode_set_base = mdfld__intel_pipe_set_base,
-	.prepare = mdfld_crtc_prepare,
-	.commit = mdfld_crtc_commit,
-};
diff --git a/drivers/staging/gma500/mdfld_msic.h b/drivers/staging/gma500/mdfld_msic.h
deleted file mode 100644
index a7ad65472491..000000000000
--- a/drivers/staging/gma500/mdfld_msic.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Jim Liu <jim.liu@intel.com>
- */
-
-#define MSIC_PCI_DEVICE_ID	0x831
-
-int msic_regsiter_driver(void);
-int msic_unregister_driver(void);
-extern void hpd_notify_um(void);
diff --git a/drivers/staging/gma500/mdfld_output.c b/drivers/staging/gma500/mdfld_output.c
deleted file mode 100644
index eabf53d58f92..000000000000
--- a/drivers/staging/gma500/mdfld_output.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#include <linux/init.h>
-#include <linux/moduleparam.h>
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_dbi_dpu.h"
-
-#include "displays/tpo_cmd.h"
-#include "displays/tpo_vid.h"
-#include "displays/tmd_cmd.h"
-#include "displays/tmd_vid.h"
-#include "displays/pyr_cmd.h"
-#include "displays/pyr_vid.h"
-/* #include "displays/hdmi.h" */
-
-static int mdfld_dual_mipi;
-static int mdfld_hdmi;
-static int mdfld_dpu;
-
-module_param(mdfld_dual_mipi, int, 0600);
-MODULE_PARM_DESC(mdfld_dual_mipi, "Enable dual MIPI configuration");
-module_param(mdfld_hdmi, int, 0600);
-MODULE_PARM_DESC(mdfld_hdmi, "Enable Medfield HDMI");
-module_param(mdfld_dpu, int, 0600);
-MODULE_PARM_DESC(mdfld_dpu, "Enable Medfield DPU");
-
-/* For now a single type per device is all we cope with */
-int mdfld_get_panel_type(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	return dev_priv->panel_id;
-}
-
-int mdfld_panel_dpi(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	switch (dev_priv->panel_id) {
-	case TMD_VID:
-	case TPO_VID:
-	case PYR_VID:
-		return true;
-	case TMD_CMD:
-	case TPO_CMD:
-	case PYR_CMD:
-	default:
-		return false;
-	}
-}
-
-static int init_panel(struct drm_device *dev, int mipi_pipe, int p_type)
-{
-	struct panel_funcs *p_cmd_funcs;
-	struct panel_funcs *p_vid_funcs;
-
-	/* Oh boy ... FIXME */
-	p_cmd_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
-	if (p_cmd_funcs == NULL)
-		return -ENODEV;
-	p_vid_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
-	if (p_vid_funcs == NULL) {
-		kfree(p_cmd_funcs);
-		return -ENODEV;
-	}
-
-	switch (p_type) {
-	case TPO_CMD:
-		tpo_cmd_init(dev, p_cmd_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
-		break;
-	case TPO_VID:
-		tpo_vid_init(dev, p_vid_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
-		break;
-	case TMD_CMD:
-		/*tmd_cmd_init(dev, p_cmd_funcs); */
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
-		break;
-	case TMD_VID:
-		tmd_vid_init(dev, p_vid_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
-		break;
-	case PYR_CMD:
-		pyr_cmd_init(dev, p_cmd_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
-		break;
-	case PYR_VID:
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
-		break;
-	case TPO:	/* TPO panel supports both cmd & vid interfaces */
-		tpo_cmd_init(dev, p_cmd_funcs);
-		tpo_vid_init(dev, p_vid_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs,
-				      p_vid_funcs);
-		break;
-	case TMD:
-		break;
-	case PYR:
-		break;
-#if 0
-	case HDMI:
-		dev_dbg(dev->dev, "Initializing HDMI");
-		mdfld_hdmi_init(dev, &dev_priv->mode_dev);
-		break;
-#endif
-	default:
-		dev_err(dev->dev, "Unsupported interface %d", p_type);
-		return -ENODEV;
-	}
-	return 0;
-}
-
-int mdfld_output_init(struct drm_device *dev)
-{
-	int type;
-
-	/* MIPI panel 1 */
-	type = mdfld_get_panel_type(dev, 0);
-	dev_info(dev->dev, "panel 1: type is %d\n", type);
-	init_panel(dev, 0, type);
-
-	if (mdfld_dual_mipi) {
-		/* MIPI panel 2 */
-		type = mdfld_get_panel_type(dev, 2);
-		dev_info(dev->dev, "panel 2: type is %d\n", type);
-		init_panel(dev, 2, type);
-	}
-	if (mdfld_hdmi)
-		/* HDMI panel */
-		init_panel(dev, 0, HDMI);
-	return 0;
-}
-
-void mdfld_output_setup(struct drm_device *dev)
-{
-	/* FIXME: this is not the right place for this stuff ! */
-	if (IS_MFLD(dev)) {
-		if (mdfld_dpu)
-			mdfld_dbi_dpu_init(dev);
-		else
-			mdfld_dbi_dsr_init(dev);
-	}
-}
diff --git a/drivers/staging/gma500/mdfld_output.h b/drivers/staging/gma500/mdfld_output.h
deleted file mode 100644
index daf33e7df9d5..000000000000
--- a/drivers/staging/gma500/mdfld_output.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef MDFLD_OUTPUT_H
-#define MDFLD_OUTPUT_H
-
-int mdfld_output_init(struct drm_device *dev);
-int mdfld_panel_dpi(struct drm_device *dev);
-int mdfld_get_panel_type(struct drm_device *dev, int pipe);
-void mdfld_disable_crtc (struct drm_device *dev, int pipe);
-
-extern const struct drm_crtc_helper_funcs mdfld_helper_funcs;
-extern const struct drm_crtc_funcs mdfld_intel_crtc_funcs;
-
-extern void mdfld_output_setup(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/mdfld_pyr_cmd.c b/drivers/staging/gma500/mdfld_pyr_cmd.c
deleted file mode 100644
index 523f2d8fe4f1..000000000000
--- a/drivers/staging/gma500/mdfld_pyr_cmd.c
+++ /dev/null
@@ -1,558 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/pyr_cmd.h"
-
-static struct drm_display_mode *pyr_cmd_get_config_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode;
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode) {
-		dev_err(dev->dev, "Out of memory\n");
-		return NULL;
-	}
-
-	dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-	dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-	dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-	dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-	dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-	dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-	dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-	dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-	dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-
-	mode->hdisplay = 480;
-	mode->vdisplay = 864;
-	mode->hsync_start = 487;
-	mode->hsync_end = 490;
-	mode->htotal = 499;
-	mode->vsync_start = 874;
-	mode->vsync_end = 878;
-	mode->vtotal = 886;
-	mode->clock = 25777;
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-static bool pyr_dsi_dbi_mode_fixup(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_display_mode *fixed_mode = pyr_cmd_get_config_mode(dev);
-
-	if (fixed_mode) {
-		adjusted_mode->hdisplay = fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = fixed_mode->hsync_end;
-		adjusted_mode->htotal = fixed_mode->htotal;
-		adjusted_mode->vdisplay = fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = fixed_mode->vsync_end;
-		adjusted_mode->vtotal = fixed_mode->vtotal;
-		adjusted_mode->clock = fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-		kfree(fixed_mode);
-	}
-	return true;
-}
-
-static void pyr_dsi_dbi_set_power(struct drm_encoder *encoder, bool on)
-{
-	int ret = 0;
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-				MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 reg_offset = 0;
-	int pipe = (dbi_output->channel_num == 0) ? 0 : 2;
-
-	dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n", pipe,
-			on ? "On" : "Off",
-			dbi_output->dbi_panel_on ? "True" : "False");
-
-	if (pipe == 2) {
-		if (on)
-			dev_priv->dual_mipi = true;
-		else
-			dev_priv->dual_mipi = false;
-
-		reg_offset = MIPIC_REG_OFFSET;
-	} else {
-		if (!on)
-			dev_priv->dual_mipi = false;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-
-	if (on) {
-		if (dbi_output->dbi_panel_on)
-			goto out_err;
-
-		ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON);
-		if (ret) {
-			dev_err(dev->dev, "power on error\n");
-			goto out_err;
-		}
-
-		dbi_output->dbi_panel_on = true;
-
-		if (pipe == 2) {
-			dev_priv->dbi_panel_on2 = true;
-		} else {
-			dev_priv->dbi_panel_on = true;
-			mdfld_enable_te(dev, 0);
-		}
-	} else {
-		if (!dbi_output->dbi_panel_on && !dbi_output->first_boot)
-			goto out_err;
-
-		dbi_output->dbi_panel_on = false;
-		dbi_output->first_boot = false;
-
-		if (pipe == 2) {
-			dev_priv->dbi_panel_on2 = false;
-			mdfld_disable_te(dev, 2);
-		} else {
-			dev_priv->dbi_panel_on = false;
-			mdfld_disable_te(dev, 0);
-
-			if (dev_priv->dbi_panel_on2)
-				mdfld_enable_te(dev, 2);
-		}
-
-		ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF);
-		if (ret) {
-			dev_err(dev->dev, "power on error\n");
-			goto out_err;
-		}
-	}
-
-out_err:
-	gma_power_end(dev);
-
-	if (ret)
-		dev_err(dev->dev, "failed\n");
-}
-
-static void pyr_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
-								int pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	u32 val = 0;
-
-	dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe);
-
-	/* Un-ready device */
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-	/* Init dsi adapter before kicking off */
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-	/* TODO: figure out how to setup these registers */
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c600F);
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset),
-								0x000a0014);
-	REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400);
-	REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000);
-
-	/* Enable all interrupts */
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-	/* Max value: 20 clock cycles of txclkesc */
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f);
-	/* Min 21 txclkesc, max: ffffh */
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff);
-	/* Min: 7d0 max: 4e20 */
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0);
-
-	/* Set up func_prg */
-	val |= lane_count;
-	val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET);
-	val |= DSI_DBI_COLOR_FORMAT_OPTION2;
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff);
-
-	/* De-assert dbi_stall when half of DBI FIFO is empty */
-	/* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */
-
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000002);
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-static void pyr_dsi_dbi_mode_set(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	int ret = 0;
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dsi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config =
-				mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct mdfld_dsi_connector *dsi_connector = dsi_config->connector;
-	int pipe = dsi_connector->pipe;
-	u8 param = 0;
-
-	/* Regs */
-	u32 mipi_reg = MIPI;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 reg_offset = 0;
-
-	/* Values */
-	u32 dspcntr_val = dev_priv->dspcntr;
-	u32 pipeconf_val = dev_priv->pipeconf;
-	u32 h_active_area = mode->hdisplay;
-	u32 v_active_area = mode->vdisplay;
-	u32 mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX |
-							TE_TRIGGER_GPIO_PIN);
-
-	dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val);
-
-	dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI");
-	dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay);
-
-	if (pipe == 2) {
-		mipi_reg = MIPI_C;
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-
-		reg_offset = MIPIC_REG_OFFSET;
-
-		dspcntr_val = dev_priv->dspcntr2;
-		pipeconf_val = dev_priv->pipeconf2;
-	} else {
-		mipi_val |= 0x2; /* Two lanes for port A and C respectively */
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	/* Set up pipe related registers */
-	REG_WRITE(mipi_reg, mipi_val);
-	REG_READ(mipi_reg);
-
-	pyr_dsi_controller_dbi_init(dsi_config, pipe);
-
-	msleep(20);
-
-	REG_WRITE(dspcntr_reg, dspcntr_val);
-	REG_READ(dspcntr_reg);
-
-	/* 20ms delay before sending exit_sleep_mode */
-	msleep(20);
-
-	/* Send exit_sleep_mode DCS */
-	ret = mdfld_dsi_dbi_send_dcs(dsi_output, exit_sleep_mode, NULL,
-						0, CMD_DATA_SRC_SYSTEM_MEM);
-	if (ret) {
-		dev_err(dev->dev, "sent exit_sleep_mode faild\n");
-		goto out_err;
-	}
-
-	/*send set_tear_on DCS*/
-	ret = mdfld_dsi_dbi_send_dcs(dsi_output, set_tear_on,
-					&param, 1, CMD_DATA_SRC_SYSTEM_MEM);
-	if (ret) {
-		dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__);
-		goto out_err;
-	}
-
-	/* Do some init stuff */
-	mdfld_dsi_brightness_init(dsi_config, pipe);
-	mdfld_dsi_gen_fifo_ready(dev, (MIPIA_GEN_FIFO_STAT_REG + reg_offset),
-				HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
-	REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR);
-	REG_READ(pipeconf_reg);
-
-	/* TODO: this looks ugly, try to move it to CRTC mode setting */
-	if (pipe == 2)
-		dev_priv->pipeconf2 |= PIPEACONF_DSR;
-	else
-		dev_priv->pipeconf |= PIPEACONF_DSR;
-
-	dev_dbg(dev->dev, "pipeconf %x\n",  REG_READ(pipeconf_reg));
-
-	ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0,
-				h_active_area - 1, v_active_area - 1);
-	if (ret) {
-		dev_err(dev->dev, "update area failed\n");
-		goto out_err;
-	}
-
-out_err:
-	gma_power_end(dev);
-
-	if (ret)
-		dev_err(dev->dev, "mode set failed\n");
-	else
-		dev_dbg(dev->dev, "mode set done successfully\n");
-}
-
-static void pyr_dsi_dbi_prepare(struct drm_encoder *encoder)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-
-	dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER;
-	dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE;
-
-	pyr_dsi_dbi_set_power(encoder, false);
-}
-
-static void pyr_dsi_dbi_commit(struct drm_encoder *encoder)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_drm_dpu_rect rect;
-
-	pyr_dsi_dbi_set_power(encoder, true);
-
-	dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER;
-
-	rect.x = rect.y = 0;
-	rect.width = 864;
-	rect.height = 480;
-
-	if (dbi_output->channel_num == 1) {
-		dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2;
-		/* If DPU enabled report a fullscreen damage */
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect);
-	} else {
-		dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0;
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect);
-	}
-	dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE;
-}
-
-static void pyr_dsi_dbi_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = dbi_output->dev;
-
-	dev_dbg(dev->dev, "%s\n",  (mode == DRM_MODE_DPMS_ON ? "on" : "off"));
-
-	if (mode == DRM_MODE_DPMS_ON)
-		pyr_dsi_dbi_set_power(encoder, true);
-	else
-		pyr_dsi_dbi_set_power(encoder, false);
-}
-
-/*
- * Update the DBI MIPI Panel Frame Buffer.
- */
-static void pyr_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output,
-								int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ?
-				to_psb_intel_crtc(crtc) : NULL;
-
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dspsurf_reg = DSPASURF;
-	u32 hs_gen_ctrl_reg = HS_GEN_CTRL_REG;
-	u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG;
-	u32 reg_offset = 0;
-
-	u32 intr_status;
-	u32 fifo_stat_reg_val;
-	u32 dpll_reg_val;
-	u32 dspcntr_reg_val;
-	u32 pipeconf_reg_val;
-
-	/* If mode setting on-going, back off */
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) ||
-		!(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE))
-		return;
-
-	/*
-	 * Look for errors here.  In particular we're checking for whatever
-	 * error status might have appeared during the last frame transmit
-	 * (memory write).
-	 *
-	 * Normally, the bits we're testing here would be set infrequently,
-	 * if at all.  However, one panel (at least) returns at least one
-	 * error bit on most frames.  So we've disabled the kernel message
-	 * for now.
-	 *
-	 * Still clear whatever error bits are set, except don't clear the
-	 * ones that would make the Penwell DSI controller reset if we
-	 * cleared them.
-	 */
-	intr_status = REG_READ(INTR_STAT_REG);
-	if ((intr_status & 0x26FFFFFF) != 0) {
-		/* dev_err(dev->dev, "DSI status: 0x%08X\n", intr_status); */
-		intr_status &= 0x26F3FFFF;
-		REG_WRITE(INTR_STAT_REG, intr_status);
-	}
-
-	if (pipe == 2) {
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-		dsplinoff_reg = DSPCLINOFF;
-		dspsurf_reg = DSPCSURF;
-
-		hs_gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-		gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET,
-
-		reg_offset = MIPIC_REG_OFFSET;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	fifo_stat_reg_val = REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset);
-	dpll_reg_val = REG_READ(dpll_reg);
-	dspcntr_reg_val = REG_READ(dspcntr_reg);
-	pipeconf_reg_val = REG_READ(pipeconf_reg);
-
-	if (!(fifo_stat_reg_val & (1 << 27)) ||
-		(dpll_reg_val & DPLL_VCO_ENABLE) ||
-		!(dspcntr_reg_val & DISPLAY_PLANE_ENABLE) ||
-		!(pipeconf_reg_val & DISPLAY_PLANE_ENABLE)) {
-		goto update_fb_out0;
-	}
-
-	/* Refresh plane changes */
-	REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg));
-	REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
-	REG_READ(dspsurf_reg);
-
-	mdfld_dsi_send_dcs(sender,
-			   write_mem_start,
-			   NULL,
-			   0,
-			   CMD_DATA_SRC_PIPE,
-			   MDFLD_DSI_SEND_PACKAGE);
-
-	/*
-	 * The idea here is to transmit a Generic Read command after the
-	 * Write Memory Start/Continue commands finish.  This asks for
-	 * the panel to return an "ACK No Errors," or (if it has errors
-	 * to report) an Error Report.  This allows us to monitor the
-	 * panel's perception of the health of the DSI.
-	 */
-	mdfld_dsi_gen_fifo_ready(dev, gen_fifo_stat_reg,
-				HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-	REG_WRITE(hs_gen_ctrl_reg, (1 << WORD_COUNTS_POS) | GEN_READ_0);
-
-	dbi_output->dsr_fb_update_done = true;
-update_fb_out0:
-	gma_power_end(dev);
-}
-
-/*
- * TODO: will be removed later, should work out display interfaces for power
- */
-void pyr_dsi_adapter_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	if (!dsi_config || (pipe != 0 && pipe != 2)) {
-		WARN_ON(1);
-		return;
-	}
-	pyr_dsi_controller_dbi_init(dsi_config, pipe);
-}
-
-static int pyr_cmd_get_panel_info(struct drm_device *dev, int pipe,
-							struct panel_info *pi)
-{
-	if (!dev || !pi)
-		return -EINVAL;
-
-	pi->width_mm = PYR_PANEL_WIDTH;
-	pi->height_mm = PYR_PANEL_HEIGHT;
-
-	return 0;
-}
-
-/* PYR DBI encoder helper funcs */
-static const struct drm_encoder_helper_funcs pyr_dsi_dbi_helper_funcs = {
-	.dpms = pyr_dsi_dbi_dpms,
-	.mode_fixup = pyr_dsi_dbi_mode_fixup,
-	.prepare = pyr_dsi_dbi_prepare,
-	.mode_set = pyr_dsi_dbi_mode_set,
-	.commit = pyr_dsi_dbi_commit,
-};
-
-/* PYR DBI encoder funcs */
-static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-	p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs;
-	p_funcs->encoder_helper_funcs = &pyr_dsi_dbi_helper_funcs;
-	p_funcs->get_config_mode = &pyr_cmd_get_config_mode;
-	p_funcs->update_fb = pyr_dsi_dbi_update_fb;
-	p_funcs->get_panel_info = pyr_cmd_get_panel_info;
-}
diff --git a/drivers/staging/gma500/mdfld_tmd_vid.c b/drivers/staging/gma500/mdfld_tmd_vid.c
deleted file mode 100644
index affdc09c6769..000000000000
--- a/drivers/staging/gma500/mdfld_tmd_vid.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jim Liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- * Gideon Eaton <eaton.
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/tmd_vid.h"
-
-/* FIXME: static ? */
-struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-	bool use_gct = false; /*Disable GCT for now*/
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode) {
-		dev_err(dev->dev, "Out of memory\n");
-		return NULL;
-	}
-
-	if (use_gct) {
-		dev_dbg(dev->dev, "gct find MIPI panel.\n");
-
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay +
-				((ti->hsync_offset_hi << 8) |
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start +
-				((ti->hsync_pulse_width_hi << 8) |
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) |
-								ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 8) |
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay +
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-
-		dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-		dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-		dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-		dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-		dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-		dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-		dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-		dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-		dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-	} else {
-		mode->hdisplay = 480;
-		mode->vdisplay = 854;
-		mode->hsync_start = 487;
-		mode->hsync_end = 490;
-		mode->htotal = 499;
-		mode->vsync_start = 861;
-		mode->vsync_end = 865;
-		mode->vtotal = 873;
-		mode->clock = 33264;
-	}
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-static int tmd_vid_get_panel_info(struct drm_device *dev,
-				int pipe,
-				struct panel_info *pi)
-{
-	if (!dev || !pi)
-		return -EINVAL;
-
-	pi->width_mm = TMD_PANEL_WIDTH;
-	pi->height_mm = TMD_PANEL_HEIGHT;
-
-	return 0;
-}
-
-/*
- *	mdfld_init_TMD_MIPI	-	initialise a TMD interface
- *	@dsi_config: configuration
- *	@pipe: pipe to configure
- *
- *	This function is called only by mrst_dsi_mode_set and
- *	restore_display_registers.  since this function does not
- *	acquire the mutex, it is important that the calling function
- *	does!
- */
-
-
-static void mdfld_dsi_tmd_drv_ic_init(struct mdfld_dsi_config *dsi_config,
-				      int pipe)
-{
-	static u32 tmd_cmd_mcap_off[] = {0x000000b2};
-	static u32 tmd_cmd_enable_lane_switch[] = {0x000101ef};
-	static u32 tmd_cmd_set_lane_num[] = {0x006360ef};
-	static u32 tmd_cmd_pushing_clock0[] = {0x00cc2fef};
-	static u32 tmd_cmd_pushing_clock1[] = {0x00dd6eef};
-	static u32 tmd_cmd_set_mode[] = {0x000000b3};
-	static u32 tmd_cmd_set_sync_pulse_mode[] = {0x000961ef};
-	static u32 tmd_cmd_set_column[] = {0x0100002a, 0x000000df};
-	static u32 tmd_cmd_set_page[] = {0x0300002b, 0x00000055};
-	static u32 tmd_cmd_set_video_mode[] = {0x00000153};
-	/*no auto_bl,need add in furture*/
-	static u32 tmd_cmd_enable_backlight[] = {0x00005ab4};
-	static u32 tmd_cmd_set_backlight_dimming[] = {0x00000ebd};
-
-	struct mdfld_dsi_pkg_sender *sender
-			= mdfld_dsi_get_pkg_sender(dsi_config);
-
-	DRM_INFO("Enter mdfld init TMD MIPI display.\n");
-
-	if (!sender) {
-		DRM_ERROR("Cannot get sender\n");
-		return;
-	}
-
-	if (dsi_config->dvr_ic_inited)
-		return;
-
-	msleep(3);
-
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_mcap_off, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_lane_switch, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_lane_num, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_pushing_clock0, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_pushing_clock1, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_mode, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_sync_pulse_mode, 1, 0);
-	mdfld_dsi_send_mcs_long_lp(sender, tmd_cmd_set_column, 2, 0);
-	mdfld_dsi_send_mcs_long_lp(sender, tmd_cmd_set_page, 2, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_video_mode, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_backlight, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_backlight_dimming, 1, 0);
-
-	dsi_config->dvr_ic_inited = 1;
-}
-
-/* TMD DPI encoder helper funcs */
-static const struct drm_encoder_helper_funcs
-					mdfld_tpo_dpi_encoder_helper_funcs = {
-	.dpms = mdfld_dsi_dpi_dpms,
-	.mode_fixup = mdfld_dsi_dpi_mode_fixup,
-	.prepare = mdfld_dsi_dpi_prepare,
-	.mode_set = mdfld_dsi_dpi_mode_set,
-	.commit = mdfld_dsi_dpi_commit,
-};
-
-/* TMD DPI encoder funcs */
-static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-	if (!dev || !p_funcs) {
-		dev_err(dev->dev, "Invalid parameters\n");
-		return;
-	}
-
-	p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs;
-	p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs;
-	p_funcs->get_config_mode = &tmd_vid_get_config_mode;
-	p_funcs->update_fb = NULL;
-	p_funcs->get_panel_info = tmd_vid_get_panel_info;
-	p_funcs->reset = mdfld_dsi_panel_reset;
-	p_funcs->drv_ic_init = mdfld_dsi_tmd_drv_ic_init;
-}
diff --git a/drivers/staging/gma500/mdfld_tpo_cmd.c b/drivers/staging/gma500/mdfld_tpo_cmd.c
deleted file mode 100644
index c7f7c9c19bc1..000000000000
--- a/drivers/staging/gma500/mdfld_tpo_cmd.c
+++ /dev/null
@@ -1,509 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/tpo_cmd.h"
-
-static struct drm_display_mode *tpo_cmd_get_config_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-	bool use_gct = false;
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode)
-		return NULL;
-
-	if (use_gct) {
-		dev_dbg(dev->dev, "gct find MIPI panel.\n");
-
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay + \
-				((ti->hsync_offset_hi << 8) | \
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start + \
-				((ti->hsync_pulse_width_hi << 8) | \
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-								ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay + \
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-
-		dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-		dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-		dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-		dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-		dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-		dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-		dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-		dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-		dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-	} else {
-		mode->hdisplay = 864;
-		mode->vdisplay = 480;
-		mode->hsync_start = 872;
-		mode->hsync_end = 876;
-		mode->htotal = 884;
-		mode->vsync_start = 482;
-		mode->vsync_end = 494;
-		mode->vtotal = 486;
-		mode->clock = 25777;
-	}
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-static bool mdfld_dsi_dbi_mode_fixup(struct drm_encoder *encoder,
-				     struct drm_display_mode *mode,
-				     struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_display_mode *fixed_mode = tpo_cmd_get_config_mode(dev);
-
-	if (fixed_mode) {
-		adjusted_mode->hdisplay = fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = fixed_mode->hsync_end;
-		adjusted_mode->htotal = fixed_mode->htotal;
-		adjusted_mode->vdisplay = fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = fixed_mode->vsync_end;
-		adjusted_mode->vtotal = fixed_mode->vtotal;
-		adjusted_mode->clock = fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-		kfree(fixed_mode);
-	}
-	return true;
-}
-
-static void mdfld_dsi_dbi_set_power(struct drm_encoder *encoder, bool on)
-{
-	int ret = 0;
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-				MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config =
-		mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(dsi_encoder);
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 reg_offset = 0;
-	int pipe = (dbi_output->channel_num == 0) ? 0 : 2;
-	u32 data = 0;
-
-	dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n",
-			pipe, on ? "On" : "Off",
-			dbi_output->dbi_panel_on ? "True" : "False");
-
-	if (pipe == 2) {
-		if (on)
-			dev_priv->dual_mipi = true;
-		else
-			dev_priv->dual_mipi = false;
-		reg_offset = MIPIC_REG_OFFSET;
-	} else {
-		if (!on)
-			dev_priv->dual_mipi = false;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	if (on) {
-		if (dbi_output->dbi_panel_on)
-			goto out_err;
-
-		ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON);
-		if (ret) {
-			dev_err(dev->dev, "power on error\n");
-			goto out_err;
-		}
-
-		dbi_output->dbi_panel_on = true;
-
-		if (pipe == 2)
-			dev_priv->dbi_panel_on2 = true;
-		else
-			dev_priv->dbi_panel_on = true;
-		mdfld_enable_te(dev, pipe);
-	} else {
-		if (!dbi_output->dbi_panel_on && !dbi_output->first_boot)
-			goto out_err;
-
-		dbi_output->dbi_panel_on = false;
-		dbi_output->first_boot = false;
-
-		if (pipe == 2)
-			dev_priv->dbi_panel_on2 = false;
-		else
-			dev_priv->dbi_panel_on = false;
-
-		mdfld_disable_te(dev, pipe);
-
-		ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF);
-		if (ret) {
-			dev_err(dev->dev, "power on error\n");
-			goto out_err;
-		}
-	}
-
-	/*
-	 * FIXME: this is a WA for TPO panel crash on DPMS on & off around
-	 * 83 times. the root cause of this issue is that Booster in
-	 * drvIC crashed. Add this WA so that we can resume the driver IC
-	 * once we found that booster has a fault
-	 */
-	mdfld_dsi_get_power_mode(dsi_config,
-				&data,
-				MDFLD_DSI_HS_TRANSMISSION);
-
-	if (on && data && !(data & (1 << 7))) {
-		/* Soft reset */
-		mdfld_dsi_send_dcs(sender,
-				   DCS_SOFT_RESET,
-				   NULL,
-				   0,
-				   CMD_DATA_SRC_PIPE,
-				   MDFLD_DSI_SEND_PACKAGE);
-
-		/* Init drvIC */
-		if (dbi_output->p_funcs->drv_ic_init)
-			dbi_output->p_funcs->drv_ic_init(dsi_config,
-							 pipe);
-	}
- 
-out_err:
-	gma_power_end(dev);
-	if (ret)
-		dev_err(dev->dev, "failed\n");
-}
-
-
-static void mdfld_dsi_dbi_mode_set(struct drm_encoder *encoder,
-				   struct drm_display_mode *mode,
-				   struct drm_display_mode *adjusted_mode)
-{
-	int ret = 0;
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dsi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config =
-				mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct mdfld_dsi_connector *dsi_connector = dsi_config->connector;
-	int pipe = dsi_connector->pipe;
-	u8 param = 0;
-
-	/* Regs */
-	u32 mipi_reg = MIPI;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 reg_offset = 0;
-
-	/* Values */
-	u32 dspcntr_val = dev_priv->dspcntr;
-	u32 pipeconf_val = dev_priv->pipeconf;
-	u32 h_active_area = mode->hdisplay;
-	u32 v_active_area = mode->vdisplay;
-	u32 mipi_val;
-
-	mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX |
-						TE_TRIGGER_GPIO_PIN);
-
-	dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val);
-
-	dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI");
-	dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay);
-
-	if (pipe == 2) {
-		mipi_reg = MIPI_C;
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-
-		reg_offset = MIPIC_REG_OFFSET;
-
-		dspcntr_val = dev_priv->dspcntr2;
-		pipeconf_val = dev_priv->pipeconf2;
-	} else {
-		mipi_val |= 0x2; /*two lanes for port A and C respectively*/
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	REG_WRITE(dspcntr_reg, dspcntr_val);
-	REG_READ(dspcntr_reg);
-
-	/* 20ms delay before sending exit_sleep_mode */
-	msleep(20);
-
-	/* Send exit_sleep_mode DCS */
-	ret = mdfld_dsi_dbi_send_dcs(dsi_output, DCS_EXIT_SLEEP_MODE,
-					NULL, 0, CMD_DATA_SRC_SYSTEM_MEM);
-	if (ret) {
-		dev_err(dev->dev, "sent exit_sleep_mode faild\n");
-		goto out_err;
-	}
-
-	/* Send set_tear_on DCS */
-	ret = mdfld_dsi_dbi_send_dcs(dsi_output, DCS_SET_TEAR_ON,
-					&param, 1, CMD_DATA_SRC_SYSTEM_MEM);
-	if (ret) {
-		dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__);
-		goto out_err;
-	}
-
-	/* Do some init stuff */
-	REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR);
-	REG_READ(pipeconf_reg);
-
-	/* TODO: this looks ugly, try to move it to CRTC mode setting*/
-	if (pipe == 2)
-		dev_priv->pipeconf2 |= PIPEACONF_DSR;
-	else
-		dev_priv->pipeconf |= PIPEACONF_DSR;
-
-	dev_dbg(dev->dev, "pipeconf %x\n",  REG_READ(pipeconf_reg));
-
-	ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0,
-				h_active_area - 1, v_active_area - 1);
-	if (ret) {
-		dev_err(dev->dev, "update area failed\n");
-		goto out_err;
-	}
-
-out_err:
-	gma_power_end(dev);
-
-	if (ret)
-		dev_err(dev->dev, "mode set failed\n");
-}
-
-static void mdfld_dsi_dbi_prepare(struct drm_encoder *encoder)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output
-				= MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-
-	dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER;
-	dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE;
-
-	mdfld_dsi_dbi_set_power(encoder, false);
-}
-
-static void mdfld_dsi_dbi_commit(struct drm_encoder *encoder)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_drm_dpu_rect rect;
-
-	mdfld_dsi_dbi_set_power(encoder, true);
-	dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER;
-
-	rect.x = rect.y = 0;
-	rect.width = 864;
-	rect.height = 480;
-
-	if (dbi_output->channel_num == 1) {
-		dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2;
-		/*if dpu enabled report a fullscreen damage*/
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect);
-	} else {
-		dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0;
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect);
-	}
-	dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE;
-}
-
-static void mdfld_dsi_dbi_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output
-				= MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	static bool bdispoff;
-
-	dev_dbg(dev->dev, "%s\n", (mode == DRM_MODE_DPMS_ON ? "on" : "off"));
-
-	if (mode == DRM_MODE_DPMS_ON) {
-		/*
-		 * FIXME: in case I am wrong!
-		 * we don't need to exit dsr here to wake up plane/pipe/pll
-		 * if everything goes right, hw_begin will resume them all
-		 * during set_power.
-		 */
-		if (bdispoff /* FIXME && gbgfxsuspended */) {
-			mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_2D_3D);
-			bdispoff = false;
-			dev_priv->dispstatus = true;
-		}
-
-		mdfld_dsi_dbi_set_power(encoder, true);
-		/* FIXME if (gbgfxsuspended)
-			gbgfxsuspended = false; */
-	} else {
-		/*
-		 * I am not sure whether this is the perfect place to
-		 * turn rpm on since we still have a lot of CRTC turnning
-		 * on work to do.
-		 */
-		bdispoff = true;
-		dev_priv->dispstatus = false;
-		mdfld_dsi_dbi_set_power(encoder, false);
-	}
-}
-
-
-/*
- * Update the DBI MIPI Panel Frame Buffer.
- */
-static void mdfld_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output,
-								int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ?
-					to_psb_intel_crtc(crtc) : NULL;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dspsurf_reg = DSPASURF;
-	u32 reg_offset = 0;
-
-	/* If mode setting on-going, back off */
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) ||
-		!(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE))
-		return;
-
-	if (pipe == 2) {
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-		dsplinoff_reg = DSPCLINOFF;
-		dspsurf_reg = DSPCSURF;
-		reg_offset = MIPIC_REG_OFFSET;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	/* Check DBI FIFO status */
-	if (!(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) ||
-	   !(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) ||
-	   !(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE))
-		goto update_fb_out0;
-
-	/* Refresh plane changes */
-	REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg));
-	REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
-	REG_READ(dspsurf_reg);
-
-	mdfld_dsi_send_dcs(sender,
-			   DCS_WRITE_MEM_START,
-			   NULL,
-			   0,
-			   CMD_DATA_SRC_PIPE,
-			   MDFLD_DSI_SEND_PACKAGE);
-
-	dbi_output->dsr_fb_update_done = true;
-update_fb_out0:
-	gma_power_end(dev);
-}
-
-static int tpo_cmd_get_panel_info(struct drm_device *dev,
-				int pipe,
-				struct panel_info *pi)
-{
-	if (!dev || !pi)
-		return -EINVAL;
-
-	pi->width_mm = TPO_PANEL_WIDTH;
-	pi->height_mm = TPO_PANEL_HEIGHT;
-
-	return 0;
-}
-
-
-/* TPO DBI encoder helper funcs */
-static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = {
-	.dpms = mdfld_dsi_dbi_dpms,
-	.mode_fixup = mdfld_dsi_dbi_mode_fixup,
-	.prepare = mdfld_dsi_dbi_prepare,
-	.mode_set = mdfld_dsi_dbi_mode_set,
-	.commit = mdfld_dsi_dbi_commit,
-};
-
-/* TPO DBI encoder funcs */
-static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-	p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs;
-	p_funcs->encoder_helper_funcs = &mdfld_dsi_dbi_helper_funcs;
-	p_funcs->get_config_mode = &tpo_cmd_get_config_mode;
-	p_funcs->update_fb = mdfld_dsi_dbi_update_fb;
-	p_funcs->get_panel_info = tpo_cmd_get_panel_info;
-	p_funcs->reset = mdfld_dsi_panel_reset;
-	p_funcs->drv_ic_init = mdfld_dsi_brightness_init;
-}
diff --git a/drivers/staging/gma500/mdfld_tpo_vid.c b/drivers/staging/gma500/mdfld_tpo_vid.c
deleted file mode 100644
index 954901751760..000000000000
--- a/drivers/staging/gma500/mdfld_tpo_vid.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/tpo_vid.h"
-
-static struct drm_display_mode *tpo_vid_get_config_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-	bool use_gct = false;
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode) {
-		dev_err(dev->dev, "out of memory\n");
-		return NULL;
-	}
-
-	if (use_gct) {
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay + \
-				((ti->hsync_offset_hi << 8) | \
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start + \
-				((ti->hsync_pulse_width_hi << 8) | \
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-								ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay + \
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-
-		dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-		dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-		dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-		dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-		dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-		dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-		dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-		dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-		dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-	} else {
-		mode->hdisplay = 864;
-		mode->vdisplay = 480;
-		mode->hsync_start = 873;
-		mode->hsync_end = 876;
-		mode->htotal = 887;
-		mode->vsync_start = 487;
-		mode->vsync_end = 490;
-		mode->vtotal = 499;
-		mode->clock = 33264;
-	}
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-static int tpo_vid_get_panel_info(struct drm_device *dev,
-				int pipe,
-				struct panel_info *pi)
-{
-	if (!dev || !pi)
-		return -EINVAL;
-
-	pi->width_mm = TPO_PANEL_WIDTH;
-	pi->height_mm = TPO_PANEL_HEIGHT;
-
-	return 0;
-}
-
-/*TPO DPI encoder helper funcs*/
-static const struct drm_encoder_helper_funcs
-					mdfld_tpo_dpi_encoder_helper_funcs = {
-	.dpms = mdfld_dsi_dpi_dpms,
-	.mode_fixup = mdfld_dsi_dpi_mode_fixup,
-	.prepare = mdfld_dsi_dpi_prepare,
-	.mode_set = mdfld_dsi_dpi_mode_set,
-	.commit = mdfld_dsi_dpi_commit,
-};
-
-/*TPO DPI encoder funcs*/
-static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-	if (!dev || !p_funcs) {
-		dev_err(dev->dev, "tpo_vid_init: Invalid parameters\n");
-		return;
-	}
-
-	p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs;
-	p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs;
-	p_funcs->get_config_mode = &tpo_vid_get_config_mode;
-	p_funcs->update_fb = NULL;
-	p_funcs->get_panel_info = tpo_vid_get_panel_info;
-}
diff --git a/drivers/staging/gma500/medfield.h b/drivers/staging/gma500/medfield.h
deleted file mode 100644
index 09e9687431f1..000000000000
--- a/drivers/staging/gma500/medfield.h
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- * Copyright © 2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-/* Medfield DSI controller registers */
-
-#define MIPIA_DEVICE_READY_REG				0xb000
-#define MIPIA_INTR_STAT_REG				0xb004
-#define MIPIA_INTR_EN_REG				0xb008
-#define MIPIA_DSI_FUNC_PRG_REG				0xb00c
-#define MIPIA_HS_TX_TIMEOUT_REG				0xb010
-#define MIPIA_LP_RX_TIMEOUT_REG				0xb014
-#define MIPIA_TURN_AROUND_TIMEOUT_REG			0xb018
-#define MIPIA_DEVICE_RESET_TIMER_REG			0xb01c
-#define MIPIA_DPI_RESOLUTION_REG			0xb020
-#define MIPIA_DBI_FIFO_THROTTLE_REG			0xb024
-#define MIPIA_HSYNC_COUNT_REG				0xb028
-#define MIPIA_HBP_COUNT_REG				0xb02c
-#define MIPIA_HFP_COUNT_REG				0xb030
-#define MIPIA_HACTIVE_COUNT_REG				0xb034
-#define MIPIA_VSYNC_COUNT_REG				0xb038
-#define MIPIA_VBP_COUNT_REG				0xb03c
-#define MIPIA_VFP_COUNT_REG				0xb040
-#define MIPIA_HIGH_LOW_SWITCH_COUNT_REG			0xb044
-#define MIPIA_DPI_CONTROL_REG				0xb048
-#define MIPIA_DPI_DATA_REG				0xb04c
-#define MIPIA_INIT_COUNT_REG				0xb050
-#define MIPIA_MAX_RETURN_PACK_SIZE_REG			0xb054
-#define MIPIA_VIDEO_MODE_FORMAT_REG			0xb058
-#define MIPIA_EOT_DISABLE_REG				0xb05c
-#define MIPIA_LP_BYTECLK_REG				0xb060
-#define MIPIA_LP_GEN_DATA_REG				0xb064
-#define MIPIA_HS_GEN_DATA_REG				0xb068
-#define MIPIA_LP_GEN_CTRL_REG				0xb06c
-#define MIPIA_HS_GEN_CTRL_REG				0xb070
-#define MIPIA_GEN_FIFO_STAT_REG				0xb074
-#define MIPIA_HS_LS_DBI_ENABLE_REG			0xb078
-#define MIPIA_DPHY_PARAM_REG				0xb080
-#define MIPIA_DBI_BW_CTRL_REG				0xb084
-#define MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG		0xb088
-
-#define DSI_DEVICE_READY				(0x1)
-#define DSI_POWER_STATE_ULPS_ENTER			(0x2 << 1)
-#define DSI_POWER_STATE_ULPS_EXIT			(0x1 << 1)
-#define DSI_POWER_STATE_ULPS_OFFSET			(0x1)
-
-
-#define DSI_ONE_DATA_LANE				(0x1)
-#define DSI_TWO_DATA_LANE				(0x2)
-#define DSI_THREE_DATA_LANE				(0X3)
-#define DSI_FOUR_DATA_LANE				(0x4)
-#define DSI_DPI_VIRT_CHANNEL_OFFSET			(0x3)
-#define DSI_DBI_VIRT_CHANNEL_OFFSET			(0x5)
-#define DSI_DPI_COLOR_FORMAT_RGB565			(0x01 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB666			(0x02 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB666_UNPACK		(0x03 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB888			(0x04 << 7)
-#define DSI_DBI_COLOR_FORMAT_OPTION2			(0x05 << 13)
-
-#define DSI_INTR_STATE_RXSOTERROR			1
-
-#define DSI_INTR_STATE_SPL_PKG_SENT			(1 << 30)
-#define DSI_INTR_STATE_TE				(1 << 31)
-
-#define DSI_HS_TX_TIMEOUT_MASK				(0xffffff)
-
-#define DSI_LP_RX_TIMEOUT_MASK				(0xffffff)
-
-#define DSI_TURN_AROUND_TIMEOUT_MASK			(0x3f)
-
-#define DSI_RESET_TIMER_MASK				(0xffff)
-
-#define DSI_DBI_FIFO_WM_HALF				(0x0)
-#define DSI_DBI_FIFO_WM_QUARTER				(0x1)
-#define DSI_DBI_FIFO_WM_LOW				(0x2)
-
-#define DSI_DPI_TIMING_MASK				(0xffff)
-
-#define DSI_INIT_TIMER_MASK				(0xffff)
-
-#define DSI_DBI_RETURN_PACK_SIZE_MASK			(0x3ff)
-
-#define DSI_LP_BYTECLK_MASK				(0x0ffff)
-
-#define DSI_HS_CTRL_GEN_SHORT_W0			(0x03)
-#define DSI_HS_CTRL_GEN_SHORT_W1			(0x13)
-#define DSI_HS_CTRL_GEN_SHORT_W2			(0x23)
-#define DSI_HS_CTRL_GEN_R0				(0x04)
-#define DSI_HS_CTRL_GEN_R1				(0x14)
-#define DSI_HS_CTRL_GEN_R2				(0x24)
-#define DSI_HS_CTRL_GEN_LONG_W				(0x29)
-#define DSI_HS_CTRL_MCS_SHORT_W0			(0x05)
-#define DSI_HS_CTRL_MCS_SHORT_W1			(0x15)
-#define DSI_HS_CTRL_MCS_R0				(0x06)
-#define DSI_HS_CTRL_MCS_LONG_W				(0x39)
-#define DSI_HS_CTRL_VC_OFFSET				(0x06)
-#define DSI_HS_CTRL_WC_OFFSET				(0x08)
-
-#define	DSI_FIFO_GEN_HS_DATA_FULL			(1 << 0)
-#define DSI_FIFO_GEN_HS_DATA_HALF_EMPTY			(1 << 1)
-#define DSI_FIFO_GEN_HS_DATA_EMPTY			(1 << 2)
-#define DSI_FIFO_GEN_LP_DATA_FULL			(1 << 8)
-#define DSI_FIFO_GEN_LP_DATA_HALF_EMPTY			(1 << 9)
-#define DSI_FIFO_GEN_LP_DATA_EMPTY			(1 << 10)
-#define DSI_FIFO_GEN_HS_CTRL_FULL			(1 << 16)
-#define DSI_FIFO_GEN_HS_CTRL_HALF_EMPTY			(1 << 17)
-#define DSI_FIFO_GEN_HS_CTRL_EMPTY			(1 << 18)
-#define DSI_FIFO_GEN_LP_CTRL_FULL			(1 << 24)
-#define DSI_FIFO_GEN_LP_CTRL_HALF_EMPTY			(1 << 25)
-#define DSI_FIFO_GEN_LP_CTRL_EMPTY			(1 << 26)
-#define DSI_FIFO_DBI_EMPTY				(1 << 27)
-#define DSI_FIFO_DPI_EMPTY				(1 << 28)
-
-#define DSI_DBI_HS_LP_SWITCH_MASK			(0x1)
-
-#define DSI_HS_LP_SWITCH_COUNTER_OFFSET			(0x0)
-#define DSI_LP_HS_SWITCH_COUNTER_OFFSET			(0x16)
-
-#define DSI_DPI_CTRL_HS_SHUTDOWN			(0x00000001)
-#define DSI_DPI_CTRL_HS_TURN_ON				(0x00000002)
-
-/* Medfield DSI adapter registers */
-#define MIPIA_CONTROL_REG				0xb104
-#define MIPIA_DATA_ADD_REG				0xb108
-#define MIPIA_DATA_LEN_REG				0xb10c
-#define MIPIA_CMD_ADD_REG				0xb110
-#define MIPIA_CMD_LEN_REG				0xb114
-
-/*dsi power modes*/
-#define DSI_POWER_MODE_DISPLAY_ON	(1 << 2)
-#define DSI_POWER_MODE_NORMAL_ON	(1 << 3)
-#define DSI_POWER_MODE_SLEEP_OUT	(1 << 4)
-#define DSI_POWER_MODE_PARTIAL_ON	(1 << 5)
-#define DSI_POWER_MODE_IDLE_ON		(1 << 6)
-
-enum {
-	MDFLD_DSI_ENCODER_DBI = 0,
-	MDFLD_DSI_ENCODER_DPI,
-};
-
-enum {
-	MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE = 1,
-	MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS = 2,
-	MDFLD_DSI_VIDEO_BURST_MODE = 3,
-};
-
-#define DSI_DPI_COMPLETE_LAST_LINE			(1 << 2)
-#define DSI_DPI_DISABLE_BTA				(1 << 3)
-/* Panel types */
-enum {
-	TPO_CMD,
-	TPO_VID,
-	TMD_CMD,
-	TMD_VID,
-	PYR_CMD,
-	PYR_VID,
-	TPO,
-	TMD,
-	PYR,
-	HDMI,
-	GCT_DETECT
-};
-
-/* Junk that belongs elsewhere */
-#define TPO_PANEL_WIDTH		84
-#define TPO_PANEL_HEIGHT	46
-#define TMD_PANEL_WIDTH		39
-#define TMD_PANEL_HEIGHT	71
-#define PYR_PANEL_WIDTH		53
-#define PYR_PANEL_HEIGHT	95
-
-/* Panel interface */
-struct panel_info {
-	u32 width_mm;
-	u32 height_mm;
-};
-
-struct mdfld_dsi_dbi_output;
-
-struct mdfld_dsi_connector_state {
-	u32 mipi_ctrl_reg;
-};
-
-struct mdfld_dsi_encoder_state {
-
-};
-
-struct mdfld_dsi_connector {
-	/*
-	 * This is ugly, but I have to use connector in it! :-(
-	 * FIXME: use drm_connector instead.
-	 */
-	struct psb_intel_output base;
-
-	int pipe;
-	void *private;
-	void *pkg_sender;
-
-	/* Connection status */
-	enum drm_connector_status status;
-};
-
-struct mdfld_dsi_encoder {
-	struct drm_encoder base;
-	void *private;
-};
-
-/*
- * DSI config, consists of one DSI connector, two DSI encoders.
- * DRM will pick up on DSI encoder basing on differents configs.
- */
-struct mdfld_dsi_config {
-	struct drm_device *dev;
-	struct drm_display_mode *fixed_mode;
-	struct drm_display_mode *mode;
-
-	struct mdfld_dsi_connector *connector;
-	struct mdfld_dsi_encoder *encoders[DRM_CONNECTOR_MAX_ENCODER];
-	struct mdfld_dsi_encoder *encoder;
-
-	int changed;
-
-	int bpp;
-	int type;
-	int lane_count;
-	/*Virtual channel number for this encoder*/
-	int channel_num;
-	/*video mode configure*/
-	int video_mode;
-
-	int dvr_ic_inited;
-};
-
-#define MDFLD_DSI_CONNECTOR(psb_output) \
-		(container_of(psb_output, struct mdfld_dsi_connector, base))
-
-#define MDFLD_DSI_ENCODER(encoder) \
-		(container_of(encoder, struct mdfld_dsi_encoder, base))
-
-struct panel_funcs {
-	const struct drm_encoder_funcs *encoder_funcs;
-	const struct drm_encoder_helper_funcs *encoder_helper_funcs;
-	struct drm_display_mode *(*get_config_mode) (struct drm_device *);
-	void (*update_fb) (struct mdfld_dsi_dbi_output *, int);
-	int (*get_panel_info) (struct drm_device *, int, struct panel_info *);
-	int (*reset)(int pipe);
-	void (*drv_ic_init)(struct mdfld_dsi_config *dsi_config, int pipe);
-};
-
diff --git a/drivers/staging/gma500/mid_bios.c b/drivers/staging/gma500/mid_bios.c
deleted file mode 100644
index ee3c0368e320..000000000000
--- a/drivers/staging/gma500/mid_bios.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-/* TODO
- * - Split functions by vbt type
- * - Make them all take drm_device
- * - Check ioremap failures
- */
-
-#include <linux/moduleparam.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "mid_bios.h"
-#include "mdfld_output.h"
-
-static int panel_id = GCT_DETECT;
-module_param_named(panel_id, panel_id, int, 0600);
-MODULE_PARM_DESC(panel_id, "Panel Identifier");
-
-
-static void mid_get_fuse_settings(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	uint32_t fuse_value = 0;
-	uint32_t fuse_value_tmp = 0;
-
-#define FB_REG06 0xD0810600
-#define FB_MIPI_DISABLE  (1 << 11)
-#define FB_REG09 0xD0810900
-#define FB_REG09 0xD0810900
-#define FB_SKU_MASK  0x7000
-#define FB_SKU_SHIFT 12
-#define FB_SKU_100 0
-#define FB_SKU_100L 1
-#define FB_SKU_83 2
-	pci_write_config_dword(pci_root, 0xD0, FB_REG06);
-	pci_read_config_dword(pci_root, 0xD4, &fuse_value);
-
-	/* FB_MIPI_DISABLE doesn't mean LVDS on with Medfield */
-	if (IS_MRST(dev))
-		dev_priv->iLVDS_enable = fuse_value & FB_MIPI_DISABLE;
-
-	DRM_INFO("internal display is %s\n",
-		 dev_priv->iLVDS_enable ? "LVDS display" : "MIPI display");
-
-	 /* Prevent runtime suspend at start*/
-	 if (dev_priv->iLVDS_enable) {
-		dev_priv->is_lvds_on = true;
-		dev_priv->is_mipi_on = false;
-	} else {
-		dev_priv->is_mipi_on = true;
-		dev_priv->is_lvds_on = false;
-	}
-
-	dev_priv->video_device_fuse = fuse_value;
-
-	pci_write_config_dword(pci_root, 0xD0, FB_REG09);
-	pci_read_config_dword(pci_root, 0xD4, &fuse_value);
-
-	dev_dbg(dev->dev, "SKU values is 0x%x.\n", fuse_value);
-	fuse_value_tmp = (fuse_value & FB_SKU_MASK) >> FB_SKU_SHIFT;
-
-	dev_priv->fuse_reg_value = fuse_value;
-
-	switch (fuse_value_tmp) {
-	case FB_SKU_100:
-		dev_priv->core_freq = 200;
-		break;
-	case FB_SKU_100L:
-		dev_priv->core_freq = 100;
-		break;
-	case FB_SKU_83:
-		dev_priv->core_freq = 166;
-		break;
-	default:
-		dev_warn(dev->dev, "Invalid SKU values, SKU value = 0x%08x\n",
-								fuse_value_tmp);
-		dev_priv->core_freq = 0;
-	}
-	dev_dbg(dev->dev, "LNC core clk is %dMHz.\n", dev_priv->core_freq);
-	pci_dev_put(pci_root);
-}
-
-/*
- *	Get the revison ID, B0:D2:F0;0x08
- */
-static void mid_get_pci_revID(struct drm_psb_private *dev_priv)
-{
-	uint32_t platform_rev_id = 0;
-	struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
-
-	pci_read_config_dword(pci_gfx_root, 0x08, &platform_rev_id);
-	dev_priv->platform_rev_id = (uint8_t) platform_rev_id;
-	pci_dev_put(pci_gfx_root);
-	dev_dbg(dev_priv->dev->dev, "platform_rev_id is %x\n",
-					dev_priv->platform_rev_id);
-}
-
-static void mid_get_vbt_data(struct drm_psb_private *dev_priv)
-{
-	struct drm_device *dev = dev_priv->dev;
-	struct mrst_vbt *vbt = &dev_priv->vbt_data;
-	u32 addr;
-	u16 new_size;
-	u8 *vbt_virtual;
-	u8 bpi;
-	u8 number_desc = 0;
-	struct mrst_timing_info *dp_ti = &dev_priv->gct_data.DTD;
-	struct gct_r10_timing_info ti;
-	void *pGCT;
-	struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
-
-	/* Get the address of the platform config vbt, B0:D2:F0;0xFC */
-	pci_read_config_dword(pci_gfx_root, 0xFC, &addr);
-	pci_dev_put(pci_gfx_root);
-
-	dev_dbg(dev->dev, "drm platform config address is %x\n", addr);
-
-	/* check for platform config address == 0. */
-	/* this means fw doesn't support vbt */
-
-	if (addr == 0) {
-		vbt->size = 0;
-		return;
-	}
-
-	/* get the virtual address of the vbt */
-	vbt_virtual = ioremap(addr, sizeof(*vbt));
-
-	memcpy(vbt, vbt_virtual, sizeof(*vbt));
-	iounmap(vbt_virtual); /* Free virtual address space */
-
-	dev_dbg(dev->dev, "GCT revision is %x\n", vbt->revision);
-
-	switch (vbt->revision) {
-	case 0:
-		vbt->mrst_gct = ioremap(addr + sizeof(*vbt) - 4,
-					vbt->size - sizeof(*vbt) + 4);
-		pGCT = vbt->mrst_gct;
-		bpi = ((struct mrst_gct_v1 *)pGCT)->PD.BootPanelIndex;
-		dev_priv->gct_data.bpi = bpi;
-		dev_priv->gct_data.pt =
-			((struct mrst_gct_v1 *)pGCT)->PD.PanelType;
-		memcpy(&dev_priv->gct_data.DTD,
-			&((struct mrst_gct_v1 *)pGCT)->panel[bpi].DTD,
-				sizeof(struct mrst_timing_info));
-		dev_priv->gct_data.Panel_Port_Control =
-		  ((struct mrst_gct_v1 *)pGCT)->panel[bpi].Panel_Port_Control;
-		dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
-			((struct mrst_gct_v1 *)pGCT)->panel[bpi].Panel_MIPI_Display_Descriptor;
-		break;
-	case 1:
-		vbt->mrst_gct = ioremap(addr + sizeof(*vbt) - 4,
-					vbt->size - sizeof(*vbt) + 4);
-		pGCT = vbt->mrst_gct;
-		bpi = ((struct mrst_gct_v2 *)pGCT)->PD.BootPanelIndex;
-		dev_priv->gct_data.bpi = bpi;
-		dev_priv->gct_data.pt =
-			((struct mrst_gct_v2 *)pGCT)->PD.PanelType;
-		memcpy(&dev_priv->gct_data.DTD,
-			&((struct mrst_gct_v2 *)pGCT)->panel[bpi].DTD,
-				sizeof(struct mrst_timing_info));
-		dev_priv->gct_data.Panel_Port_Control =
-		  ((struct mrst_gct_v2 *)pGCT)->panel[bpi].Panel_Port_Control;
-		dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
-			((struct mrst_gct_v2 *)pGCT)->panel[bpi].Panel_MIPI_Display_Descriptor;
-		break;
-	case 0x10:
-		/*header definition changed from rev 01 (v2) to rev 10h. */
-		/*so, some values have changed location*/
-		new_size = vbt->checksum; /*checksum contains lo size byte*/
-		/*LSB of mrst_gct contains hi size byte*/
-		new_size |= ((0xff & (unsigned int)vbt->mrst_gct)) << 8;
-
-		vbt->checksum = vbt->size; /*size contains the checksum*/
-		if (new_size > 0xff)
-			vbt->size = 0xff; /*restrict size to 255*/
-		else
-			vbt->size = new_size;
-
-		/* number of descriptors defined in the GCT */
-		number_desc = ((0xff00 & (unsigned int)vbt->mrst_gct)) >> 8;
-		bpi = ((0xff0000 & (unsigned int)vbt->mrst_gct)) >> 16;
-		vbt->mrst_gct = ioremap(addr + GCT_R10_HEADER_SIZE,
-				GCT_R10_DISPLAY_DESC_SIZE * number_desc);
-		pGCT = vbt->mrst_gct;
-		pGCT = (u8 *)pGCT + (bpi*GCT_R10_DISPLAY_DESC_SIZE);
-		dev_priv->gct_data.bpi = bpi; /*save boot panel id*/
-
-		/*copy the GCT display timings into a temp structure*/
-		memcpy(&ti, pGCT, sizeof(struct gct_r10_timing_info));
-
-		/*now copy the temp struct into the dev_priv->gct_data*/
-		dp_ti->pixel_clock = ti.pixel_clock;
-		dp_ti->hactive_hi = ti.hactive_hi;
-		dp_ti->hactive_lo = ti.hactive_lo;
-		dp_ti->hblank_hi = ti.hblank_hi;
-		dp_ti->hblank_lo = ti.hblank_lo;
-		dp_ti->hsync_offset_hi = ti.hsync_offset_hi;
-		dp_ti->hsync_offset_lo = ti.hsync_offset_lo;
-		dp_ti->hsync_pulse_width_hi = ti.hsync_pulse_width_hi;
-		dp_ti->hsync_pulse_width_lo = ti.hsync_pulse_width_lo;
-		dp_ti->vactive_hi = ti.vactive_hi;
-		dp_ti->vactive_lo = ti.vactive_lo;
-		dp_ti->vblank_hi = ti.vblank_hi;
-		dp_ti->vblank_lo = ti.vblank_lo;
-		dp_ti->vsync_offset_hi = ti.vsync_offset_hi;
-		dp_ti->vsync_offset_lo = ti.vsync_offset_lo;
-		dp_ti->vsync_pulse_width_hi = ti.vsync_pulse_width_hi;
-		dp_ti->vsync_pulse_width_lo = ti.vsync_pulse_width_lo;
-
-		/* Move the MIPI_Display_Descriptor data from GCT to dev priv */
-		dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
-							*((u8 *)pGCT + 0x0d);
-		dev_priv->gct_data.Panel_MIPI_Display_Descriptor |=
-						(*((u8 *)pGCT + 0x0e)) << 8;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown revision of GCT!\n");
-		vbt->size = 0;
-	}
-	if (IS_MFLD(dev_priv->dev)) {
-		if (panel_id == GCT_DETECT) {
-			if (dev_priv->gct_data.bpi == 2) {
-				dev_info(dev->dev, "[GFX] PYR Panel Detected\n");
-				dev_priv->panel_id = PYR_CMD;
-				panel_id = PYR_CMD;
-			} else if (dev_priv->gct_data.bpi == 0) {
-				dev_info(dev->dev, "[GFX] TMD Panel Detected.\n");
-				dev_priv->panel_id = TMD_VID;
-				panel_id = TMD_VID;
-			} else {
-				dev_info(dev->dev, "[GFX] Default Panel (TPO)\n");
-				dev_priv->panel_id = TPO_CMD;
-				panel_id = TPO_CMD;
-			}
-		} else {
-			dev_info(dev->dev, "[GFX] Panel Parameter Passed in through cmd line\n");
-			dev_priv->panel_id = panel_id;
-		}
-	}
-}
-
-int mid_chip_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	mid_get_fuse_settings(dev);
-	mid_get_vbt_data(dev_priv);
-	mid_get_pci_revID(dev_priv);
-	return 0;
-}
diff --git a/drivers/staging/gma500/mid_bios.h b/drivers/staging/gma500/mid_bios.h
deleted file mode 100644
index 00e7d564b7eb..000000000000
--- a/drivers/staging/gma500/mid_bios.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-extern int mid_chip_setup(struct drm_device *dev);
-
diff --git a/drivers/staging/gma500/mmu.c b/drivers/staging/gma500/mmu.c
deleted file mode 100644
index c904d73b1de3..000000000000
--- a/drivers/staging/gma500/mmu.c
+++ /dev/null
@@ -1,858 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-
-/*
- * Code for the SGX MMU:
- */
-
-/*
- * clflush on one processor only:
- * clflush should apparently flush the cache line on all processors in an
- * SMP system.
- */
-
-/*
- * kmap atomic:
- * The usage of the slots must be completely encapsulated within a spinlock, and
- * no other functions that may be using the locks for other purposed may be
- * called from within the locked region.
- * Since the slots are per processor, this will guarantee that we are the only
- * user.
- */
-
-/*
- * TODO: Inserting ptes from an interrupt handler:
- * This may be desirable for some SGX functionality where the GPU can fault in
- * needed pages. For that, we need to make an atomic insert_pages function, that
- * may fail.
- * If it fails, the caller need to insert the page using a workqueue function,
- * but on average it should be fast.
- */
-
-struct psb_mmu_driver {
-	/* protects driver- and pd structures. Always take in read mode
-	 * before taking the page table spinlock.
-	 */
-	struct rw_semaphore sem;
-
-	/* protects page tables, directory tables and pt tables.
-	 * and pt structures.
-	 */
-	spinlock_t lock;
-
-	atomic_t needs_tlbflush;
-
-	uint8_t __iomem *register_map;
-	struct psb_mmu_pd *default_pd;
-	/*uint32_t bif_ctrl;*/
-	int has_clflush;
-	int clflush_add;
-	unsigned long clflush_mask;
-
-	struct drm_psb_private *dev_priv;
-};
-
-struct psb_mmu_pd;
-
-struct psb_mmu_pt {
-	struct psb_mmu_pd *pd;
-	uint32_t index;
-	uint32_t count;
-	struct page *p;
-	uint32_t *v;
-};
-
-struct psb_mmu_pd {
-	struct psb_mmu_driver *driver;
-	int hw_context;
-	struct psb_mmu_pt **tables;
-	struct page *p;
-	struct page *dummy_pt;
-	struct page *dummy_page;
-	uint32_t pd_mask;
-	uint32_t invalid_pde;
-	uint32_t invalid_pte;
-};
-
-static inline uint32_t psb_mmu_pt_index(uint32_t offset)
-{
-	return (offset >> PSB_PTE_SHIFT) & 0x3FF;
-}
-
-static inline uint32_t psb_mmu_pd_index(uint32_t offset)
-{
-	return offset >> PSB_PDE_SHIFT;
-}
-
-static inline void psb_clflush(void *addr)
-{
-	__asm__ __volatile__("clflush (%0)\n" : : "r"(addr) : "memory");
-}
-
-static inline void psb_mmu_clflush(struct psb_mmu_driver *driver,
-				   void *addr)
-{
-	if (!driver->has_clflush)
-		return;
-
-	mb();
-	psb_clflush(addr);
-	mb();
-}
-
-static void psb_page_clflush(struct psb_mmu_driver *driver, struct page* page)
-{
-	uint32_t clflush_add = driver->clflush_add >> PAGE_SHIFT;
-	uint32_t clflush_count = PAGE_SIZE / clflush_add;
-	int i;
-	uint8_t *clf;
-
-	clf = kmap_atomic(page, KM_USER0);
-	mb();
-	for (i = 0; i < clflush_count; ++i) {
-		psb_clflush(clf);
-		clf += clflush_add;
-	}
-	mb();
-	kunmap_atomic(clf, KM_USER0);
-}
-
-static void psb_pages_clflush(struct psb_mmu_driver *driver,
-				struct page *page[], unsigned long num_pages)
-{
-	int i;
-
-	if (!driver->has_clflush)
-		return ;
-
-	for (i = 0; i < num_pages; i++)
-		psb_page_clflush(driver, *page++);
-}
-
-static void psb_mmu_flush_pd_locked(struct psb_mmu_driver *driver,
-				    int force)
-{
-	atomic_set(&driver->needs_tlbflush, 0);
-}
-
-static void psb_mmu_flush_pd(struct psb_mmu_driver *driver, int force)
-{
-	down_write(&driver->sem);
-	psb_mmu_flush_pd_locked(driver, force);
-	up_write(&driver->sem);
-}
-
-void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot)
-{
-	if (rc_prot)
-		down_write(&driver->sem);
-	if (rc_prot)
-		up_write(&driver->sem);
-}
-
-void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context)
-{
-	/*ttm_tt_cache_flush(&pd->p, 1);*/
-	psb_pages_clflush(pd->driver, &pd->p, 1);
-	down_write(&pd->driver->sem);
-	wmb();
-	psb_mmu_flush_pd_locked(pd->driver, 1);
-	pd->hw_context = hw_context;
-	up_write(&pd->driver->sem);
-
-}
-
-static inline unsigned long psb_pd_addr_end(unsigned long addr,
-					    unsigned long end)
-{
-
-	addr = (addr + PSB_PDE_MASK + 1) & ~PSB_PDE_MASK;
-	return (addr < end) ? addr : end;
-}
-
-static inline uint32_t psb_mmu_mask_pte(uint32_t pfn, int type)
-{
-	uint32_t mask = PSB_PTE_VALID;
-
-	if (type & PSB_MMU_CACHED_MEMORY)
-		mask |= PSB_PTE_CACHED;
-	if (type & PSB_MMU_RO_MEMORY)
-		mask |= PSB_PTE_RO;
-	if (type & PSB_MMU_WO_MEMORY)
-		mask |= PSB_PTE_WO;
-
-	return (pfn << PAGE_SHIFT) | mask;
-}
-
-struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
-				    int trap_pagefaults, int invalid_type)
-{
-	struct psb_mmu_pd *pd = kmalloc(sizeof(*pd), GFP_KERNEL);
-	uint32_t *v;
-	int i;
-
-	if (!pd)
-		return NULL;
-
-	pd->p = alloc_page(GFP_DMA32);
-	if (!pd->p)
-		goto out_err1;
-	pd->dummy_pt = alloc_page(GFP_DMA32);
-	if (!pd->dummy_pt)
-		goto out_err2;
-	pd->dummy_page = alloc_page(GFP_DMA32);
-	if (!pd->dummy_page)
-		goto out_err3;
-
-	if (!trap_pagefaults) {
-		pd->invalid_pde =
-		    psb_mmu_mask_pte(page_to_pfn(pd->dummy_pt),
-				     invalid_type);
-		pd->invalid_pte =
-		    psb_mmu_mask_pte(page_to_pfn(pd->dummy_page),
-				     invalid_type);
-	} else {
-		pd->invalid_pde = 0;
-		pd->invalid_pte = 0;
-	}
-
-	v = kmap(pd->dummy_pt);
-	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
-		v[i] = pd->invalid_pte;
-
-	kunmap(pd->dummy_pt);
-
-	v = kmap(pd->p);
-	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
-		v[i] = pd->invalid_pde;
-
-	kunmap(pd->p);
-
-	clear_page(kmap(pd->dummy_page));
-	kunmap(pd->dummy_page);
-
-	pd->tables = vmalloc_user(sizeof(struct psb_mmu_pt *) * 1024);
-	if (!pd->tables)
-		goto out_err4;
-
-	pd->hw_context = -1;
-	pd->pd_mask = PSB_PTE_VALID;
-	pd->driver = driver;
-
-	return pd;
-
-out_err4:
-	__free_page(pd->dummy_page);
-out_err3:
-	__free_page(pd->dummy_pt);
-out_err2:
-	__free_page(pd->p);
-out_err1:
-	kfree(pd);
-	return NULL;
-}
-
-void psb_mmu_free_pt(struct psb_mmu_pt *pt)
-{
-	__free_page(pt->p);
-	kfree(pt);
-}
-
-void psb_mmu_free_pagedir(struct psb_mmu_pd *pd)
-{
-	struct psb_mmu_driver *driver = pd->driver;
-	struct psb_mmu_pt *pt;
-	int i;
-
-	down_write(&driver->sem);
-	if (pd->hw_context != -1)
-		psb_mmu_flush_pd_locked(driver, 1);
-
-	/* Should take the spinlock here, but we don't need to do that
-	   since we have the semaphore in write mode. */
-
-	for (i = 0; i < 1024; ++i) {
-		pt = pd->tables[i];
-		if (pt)
-			psb_mmu_free_pt(pt);
-	}
-
-	vfree(pd->tables);
-	__free_page(pd->dummy_page);
-	__free_page(pd->dummy_pt);
-	__free_page(pd->p);
-	kfree(pd);
-	up_write(&driver->sem);
-}
-
-static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
-{
-	struct psb_mmu_pt *pt = kmalloc(sizeof(*pt), GFP_KERNEL);
-	void *v;
-	uint32_t clflush_add = pd->driver->clflush_add >> PAGE_SHIFT;
-	uint32_t clflush_count = PAGE_SIZE / clflush_add;
-	spinlock_t *lock = &pd->driver->lock;
-	uint8_t *clf;
-	uint32_t *ptes;
-	int i;
-
-	if (!pt)
-		return NULL;
-
-	pt->p = alloc_page(GFP_DMA32);
-	if (!pt->p) {
-		kfree(pt);
-		return NULL;
-	}
-
-	spin_lock(lock);
-
-	v = kmap_atomic(pt->p, KM_USER0);
-	clf = (uint8_t *) v;
-	ptes = (uint32_t *) v;
-	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
-		*ptes++ = pd->invalid_pte;
-
-
-	if (pd->driver->has_clflush && pd->hw_context != -1) {
-		mb();
-		for (i = 0; i < clflush_count; ++i) {
-			psb_clflush(clf);
-			clf += clflush_add;
-		}
-		mb();
-	}
-
-	kunmap_atomic(v, KM_USER0);
-	spin_unlock(lock);
-
-	pt->count = 0;
-	pt->pd = pd;
-	pt->index = 0;
-
-	return pt;
-}
-
-struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
-					     unsigned long addr)
-{
-	uint32_t index = psb_mmu_pd_index(addr);
-	struct psb_mmu_pt *pt;
-	uint32_t *v;
-	spinlock_t *lock = &pd->driver->lock;
-
-	spin_lock(lock);
-	pt = pd->tables[index];
-	while (!pt) {
-		spin_unlock(lock);
-		pt = psb_mmu_alloc_pt(pd);
-		if (!pt)
-			return NULL;
-		spin_lock(lock);
-
-		if (pd->tables[index]) {
-			spin_unlock(lock);
-			psb_mmu_free_pt(pt);
-			spin_lock(lock);
-			pt = pd->tables[index];
-			continue;
-		}
-
-		v = kmap_atomic(pd->p, KM_USER0);
-		pd->tables[index] = pt;
-		v[index] = (page_to_pfn(pt->p) << 12) | pd->pd_mask;
-		pt->index = index;
-		kunmap_atomic((void *) v, KM_USER0);
-
-		if (pd->hw_context != -1) {
-			psb_mmu_clflush(pd->driver, (void *) &v[index]);
-			atomic_set(&pd->driver->needs_tlbflush, 1);
-		}
-	}
-	pt->v = kmap_atomic(pt->p, KM_USER0);
-	return pt;
-}
-
-static struct psb_mmu_pt *psb_mmu_pt_map_lock(struct psb_mmu_pd *pd,
-					      unsigned long addr)
-{
-	uint32_t index = psb_mmu_pd_index(addr);
-	struct psb_mmu_pt *pt;
-	spinlock_t *lock = &pd->driver->lock;
-
-	spin_lock(lock);
-	pt = pd->tables[index];
-	if (!pt) {
-		spin_unlock(lock);
-		return NULL;
-	}
-	pt->v = kmap_atomic(pt->p, KM_USER0);
-	return pt;
-}
-
-static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt)
-{
-	struct psb_mmu_pd *pd = pt->pd;
-	uint32_t *v;
-
-	kunmap_atomic(pt->v, KM_USER0);
-	if (pt->count == 0) {
-		v = kmap_atomic(pd->p, KM_USER0);
-		v[pt->index] = pd->invalid_pde;
-		pd->tables[pt->index] = NULL;
-
-		if (pd->hw_context != -1) {
-			psb_mmu_clflush(pd->driver,
-					(void *) &v[pt->index]);
-			atomic_set(&pd->driver->needs_tlbflush, 1);
-		}
-		kunmap_atomic(pt->v, KM_USER0);
-		spin_unlock(&pd->driver->lock);
-		psb_mmu_free_pt(pt);
-		return;
-	}
-	spin_unlock(&pd->driver->lock);
-}
-
-static inline void psb_mmu_set_pte(struct psb_mmu_pt *pt,
-				   unsigned long addr, uint32_t pte)
-{
-	pt->v[psb_mmu_pt_index(addr)] = pte;
-}
-
-static inline void psb_mmu_invalidate_pte(struct psb_mmu_pt *pt,
-					  unsigned long addr)
-{
-	pt->v[psb_mmu_pt_index(addr)] = pt->pd->invalid_pte;
-}
-
-
-void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd,
-			uint32_t mmu_offset, uint32_t gtt_start,
-			uint32_t gtt_pages)
-{
-	uint32_t *v;
-	uint32_t start = psb_mmu_pd_index(mmu_offset);
-	struct psb_mmu_driver *driver = pd->driver;
-	int num_pages = gtt_pages;
-
-	down_read(&driver->sem);
-	spin_lock(&driver->lock);
-
-	v = kmap_atomic(pd->p, KM_USER0);
-	v += start;
-
-	while (gtt_pages--) {
-		*v++ = gtt_start | pd->pd_mask;
-		gtt_start += PAGE_SIZE;
-	}
-
-	/*ttm_tt_cache_flush(&pd->p, num_pages);*/
-	psb_pages_clflush(pd->driver, &pd->p, num_pages);
-	kunmap_atomic(v, KM_USER0);
-	spin_unlock(&driver->lock);
-
-	if (pd->hw_context != -1)
-		atomic_set(&pd->driver->needs_tlbflush, 1);
-
-	up_read(&pd->driver->sem);
-	psb_mmu_flush_pd(pd->driver, 0);
-}
-
-struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver)
-{
-	struct psb_mmu_pd *pd;
-
-	/* down_read(&driver->sem); */
-	pd = driver->default_pd;
-	/* up_read(&driver->sem); */
-
-	return pd;
-}
-
-/* Returns the physical address of the PD shared by sgx/msvdx */
-uint32_t psb_get_default_pd_addr(struct psb_mmu_driver *driver)
-{
-	struct psb_mmu_pd *pd;
-
-	pd = psb_mmu_get_default_pd(driver);
-	return page_to_pfn(pd->p) << PAGE_SHIFT;
-}
-
-void psb_mmu_driver_takedown(struct psb_mmu_driver *driver)
-{
-	psb_mmu_free_pagedir(driver->default_pd);
-	kfree(driver);
-}
-
-struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
-					int trap_pagefaults,
-					int invalid_type,
-					struct drm_psb_private *dev_priv)
-{
-	struct psb_mmu_driver *driver;
-
-	driver = kmalloc(sizeof(*driver), GFP_KERNEL);
-
-	if (!driver)
-		return NULL;
-	driver->dev_priv = dev_priv;
-
-	driver->default_pd = psb_mmu_alloc_pd(driver, trap_pagefaults,
-					      invalid_type);
-	if (!driver->default_pd)
-		goto out_err1;
-
-	spin_lock_init(&driver->lock);
-	init_rwsem(&driver->sem);
-	down_write(&driver->sem);
-	driver->register_map = registers;
-	atomic_set(&driver->needs_tlbflush, 1);
-
-	driver->has_clflush = 0;
-
-	if (boot_cpu_has(X86_FEATURE_CLFLSH)) {
-		uint32_t tfms, misc, cap0, cap4, clflush_size;
-
-		/*
-		 * clflush size is determined at kernel setup for x86_64
-		 *  but not for i386. We have to do it here.
-		 */
-
-		cpuid(0x00000001, &tfms, &misc, &cap0, &cap4);
-		clflush_size = ((misc >> 8) & 0xff) * 8;
-		driver->has_clflush = 1;
-		driver->clflush_add =
-		    PAGE_SIZE * clflush_size / sizeof(uint32_t);
-		driver->clflush_mask = driver->clflush_add - 1;
-		driver->clflush_mask = ~driver->clflush_mask;
-	}
-
-	up_write(&driver->sem);
-	return driver;
-
-out_err1:
-	kfree(driver);
-	return NULL;
-}
-
-static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd,
-			       unsigned long address, uint32_t num_pages,
-			       uint32_t desired_tile_stride,
-			       uint32_t hw_tile_stride)
-{
-	struct psb_mmu_pt *pt;
-	uint32_t rows = 1;
-	uint32_t i;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long add;
-	unsigned long row_add;
-	unsigned long clflush_add = pd->driver->clflush_add;
-	unsigned long clflush_mask = pd->driver->clflush_mask;
-
-	if (!pd->driver->has_clflush) {
-		/*ttm_tt_cache_flush(&pd->p, num_pages);*/
-		psb_pages_clflush(pd->driver, &pd->p, num_pages);
-		return;
-	}
-
-	if (hw_tile_stride)
-		rows = num_pages / desired_tile_stride;
-	else
-		desired_tile_stride = num_pages;
-
-	add = desired_tile_stride << PAGE_SHIFT;
-	row_add = hw_tile_stride << PAGE_SHIFT;
-	mb();
-	for (i = 0; i < rows; ++i) {
-
-		addr = address;
-		end = addr + add;
-
-		do {
-			next = psb_pd_addr_end(addr, end);
-			pt = psb_mmu_pt_map_lock(pd, addr);
-			if (!pt)
-				continue;
-			do {
-				psb_clflush(&pt->v
-					    [psb_mmu_pt_index(addr)]);
-			} while (addr +=
-				 clflush_add,
-				 (addr & clflush_mask) < next);
-
-			psb_mmu_pt_unmap_unlock(pt);
-		} while (addr = next, next != end);
-		address += row_add;
-	}
-	mb();
-}
-
-void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
-				 unsigned long address, uint32_t num_pages)
-{
-	struct psb_mmu_pt *pt;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long f_address = address;
-
-	down_read(&pd->driver->sem);
-
-	addr = address;
-	end = addr + (num_pages << PAGE_SHIFT);
-
-	do {
-		next = psb_pd_addr_end(addr, end);
-		pt = psb_mmu_pt_alloc_map_lock(pd, addr);
-		if (!pt)
-			goto out;
-		do {
-			psb_mmu_invalidate_pte(pt, addr);
-			--pt->count;
-		} while (addr += PAGE_SIZE, addr < next);
-		psb_mmu_pt_unmap_unlock(pt);
-
-	} while (addr = next, next != end);
-
-out:
-	if (pd->hw_context != -1)
-		psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1);
-
-	up_read(&pd->driver->sem);
-
-	if (pd->hw_context != -1)
-		psb_mmu_flush(pd->driver, 0);
-
-	return;
-}
-
-void psb_mmu_remove_pages(struct psb_mmu_pd *pd, unsigned long address,
-			  uint32_t num_pages, uint32_t desired_tile_stride,
-			  uint32_t hw_tile_stride)
-{
-	struct psb_mmu_pt *pt;
-	uint32_t rows = 1;
-	uint32_t i;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long add;
-	unsigned long row_add;
-	unsigned long f_address = address;
-
-	if (hw_tile_stride)
-		rows = num_pages / desired_tile_stride;
-	else
-		desired_tile_stride = num_pages;
-
-	add = desired_tile_stride << PAGE_SHIFT;
-	row_add = hw_tile_stride << PAGE_SHIFT;
-
-	/* down_read(&pd->driver->sem); */
-
-	/* Make sure we only need to flush this processor's cache */
-
-	for (i = 0; i < rows; ++i) {
-
-		addr = address;
-		end = addr + add;
-
-		do {
-			next = psb_pd_addr_end(addr, end);
-			pt = psb_mmu_pt_map_lock(pd, addr);
-			if (!pt)
-				continue;
-			do {
-				psb_mmu_invalidate_pte(pt, addr);
-				--pt->count;
-
-			} while (addr += PAGE_SIZE, addr < next);
-			psb_mmu_pt_unmap_unlock(pt);
-
-		} while (addr = next, next != end);
-		address += row_add;
-	}
-	if (pd->hw_context != -1)
-		psb_mmu_flush_ptes(pd, f_address, num_pages,
-				   desired_tile_stride, hw_tile_stride);
-
-	/* up_read(&pd->driver->sem); */
-
-	if (pd->hw_context != -1)
-		psb_mmu_flush(pd->driver, 0);
-}
-
-int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, uint32_t start_pfn,
-				unsigned long address, uint32_t num_pages,
-				int type)
-{
-	struct psb_mmu_pt *pt;
-	uint32_t pte;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long f_address = address;
-	int ret = 0;
-
-	down_read(&pd->driver->sem);
-
-	addr = address;
-	end = addr + (num_pages << PAGE_SHIFT);
-
-	do {
-		next = psb_pd_addr_end(addr, end);
-		pt = psb_mmu_pt_alloc_map_lock(pd, addr);
-		if (!pt) {
-			ret = -ENOMEM;
-			goto out;
-		}
-		do {
-			pte = psb_mmu_mask_pte(start_pfn++, type);
-			psb_mmu_set_pte(pt, addr, pte);
-			pt->count++;
-		} while (addr += PAGE_SIZE, addr < next);
-		psb_mmu_pt_unmap_unlock(pt);
-
-	} while (addr = next, next != end);
-
-out:
-	if (pd->hw_context != -1)
-		psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1);
-
-	up_read(&pd->driver->sem);
-
-	if (pd->hw_context != -1)
-		psb_mmu_flush(pd->driver, 1);
-
-	return ret;
-}
-
-int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
-			 unsigned long address, uint32_t num_pages,
-			 uint32_t desired_tile_stride,
-			 uint32_t hw_tile_stride, int type)
-{
-	struct psb_mmu_pt *pt;
-	uint32_t rows = 1;
-	uint32_t i;
-	uint32_t pte;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long add;
-	unsigned long row_add;
-	unsigned long f_address = address;
-	int ret = 0;
-
-	if (hw_tile_stride) {
-		if (num_pages % desired_tile_stride != 0)
-			return -EINVAL;
-		rows = num_pages / desired_tile_stride;
-	} else {
-		desired_tile_stride = num_pages;
-	}
-
-	add = desired_tile_stride << PAGE_SHIFT;
-	row_add = hw_tile_stride << PAGE_SHIFT;
-
-	down_read(&pd->driver->sem);
-
-	for (i = 0; i < rows; ++i) {
-
-		addr = address;
-		end = addr + add;
-
-		do {
-			next = psb_pd_addr_end(addr, end);
-			pt = psb_mmu_pt_alloc_map_lock(pd, addr);
-			if (!pt) {
-				ret = -ENOMEM;
-				goto out;
-			}
-			do {
-				pte =
-				    psb_mmu_mask_pte(page_to_pfn(*pages++),
-						     type);
-				psb_mmu_set_pte(pt, addr, pte);
-				pt->count++;
-			} while (addr += PAGE_SIZE, addr < next);
-			psb_mmu_pt_unmap_unlock(pt);
-
-		} while (addr = next, next != end);
-
-		address += row_add;
-	}
-out:
-	if (pd->hw_context != -1)
-		psb_mmu_flush_ptes(pd, f_address, num_pages,
-				   desired_tile_stride, hw_tile_stride);
-
-	up_read(&pd->driver->sem);
-
-	if (pd->hw_context != -1)
-		psb_mmu_flush(pd->driver, 1);
-
-	return ret;
-}
-
-int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
-			   unsigned long *pfn)
-{
-	int ret;
-	struct psb_mmu_pt *pt;
-	uint32_t tmp;
-	spinlock_t *lock = &pd->driver->lock;
-
-	down_read(&pd->driver->sem);
-	pt = psb_mmu_pt_map_lock(pd, virtual);
-	if (!pt) {
-		uint32_t *v;
-
-		spin_lock(lock);
-		v = kmap_atomic(pd->p, KM_USER0);
-		tmp = v[psb_mmu_pd_index(virtual)];
-		kunmap_atomic(v, KM_USER0);
-		spin_unlock(lock);
-
-		if (tmp != pd->invalid_pde || !(tmp & PSB_PTE_VALID) ||
-		    !(pd->invalid_pte & PSB_PTE_VALID)) {
-			ret = -EINVAL;
-			goto out;
-		}
-		ret = 0;
-		*pfn = pd->invalid_pte >> PAGE_SHIFT;
-		goto out;
-	}
-	tmp = pt->v[psb_mmu_pt_index(virtual)];
-	if (!(tmp & PSB_PTE_VALID)) {
-		ret = -EINVAL;
-	} else {
-		ret = 0;
-		*pfn = tmp >> PAGE_SHIFT;
-	}
-	psb_mmu_pt_unmap_unlock(pt);
-out:
-	up_read(&pd->driver->sem);
-	return ret;
-}
diff --git a/drivers/staging/gma500/mrst.h b/drivers/staging/gma500/mrst.h
deleted file mode 100644
index b563dbc73104..000000000000
--- a/drivers/staging/gma500/mrst.h
+++ /dev/null
@@ -1,252 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-/* MID device specific descriptors */
-
-struct mrst_vbt {
-	s8 signature[4];	/*4 bytes,"$GCT" */
-	u8 revision;
-	u8 size;
-	u8 checksum;
-	void *mrst_gct;
-} __packed;
-
-struct mrst_timing_info {
-	u16 pixel_clock;
-	u8 hactive_lo;
-	u8 hblank_lo;
-	u8 hblank_hi:4;
-	u8 hactive_hi:4;
-	u8 vactive_lo;
-	u8 vblank_lo;
-	u8 vblank_hi:4;
-	u8 vactive_hi:4;
-	u8 hsync_offset_lo;
-	u8 hsync_pulse_width_lo;
-	u8 vsync_pulse_width_lo:4;
-	u8 vsync_offset_lo:4;
-	u8 vsync_pulse_width_hi:2;
-	u8 vsync_offset_hi:2;
-	u8 hsync_pulse_width_hi:2;
-	u8 hsync_offset_hi:2;
-	u8 width_mm_lo;
-	u8 height_mm_lo;
-	u8 height_mm_hi:4;
-	u8 width_mm_hi:4;
-	u8 hborder;
-	u8 vborder;
-	u8 unknown0:1;
-	u8 hsync_positive:1;
-	u8 vsync_positive:1;
-	u8 separate_sync:2;
-	u8 stereo:1;
-	u8 unknown6:1;
-	u8 interlaced:1;
-} __packed;
-
-struct gct_r10_timing_info {
-	u16 pixel_clock;
-	u32 hactive_lo:8;
-	u32 hactive_hi:4;
-	u32 hblank_lo:8;
-	u32 hblank_hi:4;
-	u32 hsync_offset_lo:8;
-	u16 hsync_offset_hi:2;
-	u16 hsync_pulse_width_lo:8;
-	u16 hsync_pulse_width_hi:2;
-	u16 hsync_positive:1;
-	u16 rsvd_1:3;
-	u8  vactive_lo:8;
-	u16 vactive_hi:4;
-	u16 vblank_lo:8;
-	u16 vblank_hi:4;
-	u16 vsync_offset_lo:4;
-	u16 vsync_offset_hi:2;
-	u16 vsync_pulse_width_lo:4;
-	u16 vsync_pulse_width_hi:2;
-	u16 vsync_positive:1;
-	u16 rsvd_2:3;
-} __packed;
-
-struct mrst_panel_descriptor_v1 {
-	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
-				/* 0x61190 if MIPI */
-	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
-	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
-	u32 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 dword */
-						/* Register 0x61210 */
-	struct mrst_timing_info DTD;/*18 bytes, Standard definition */
-	u16 Panel_Backlight_Inverter_Descriptor;/* 16 bits, as follows */
-				/* Bit 0, Frequency, 15 bits,0 - 32767Hz */
-			/* Bit 15, Polarity, 1 bit, 0: Normal, 1: Inverted */
-	u16 Panel_MIPI_Display_Descriptor;
-			/*16 bits, Defined as follows: */
-			/* if MIPI, 0x0000 if LVDS */
-			/* Bit 0, Type, 2 bits, */
-			/* 0: Type-1, */
-			/* 1: Type-2, */
-			/* 2: Type-3, */
-			/* 3: Type-4 */
-			/* Bit 2, Pixel Format, 4 bits */
-			/* Bit0: 16bpp (not supported in LNC), */
-			/* Bit1: 18bpp loosely packed, */
-			/* Bit2: 18bpp packed, */
-			/* Bit3: 24bpp */
-			/* Bit 6, Reserved, 2 bits, 00b */
-			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
-			/* Bit 14, Reserved, 2 bits, 00b */
-} __packed;
-
-struct mrst_panel_descriptor_v2 {
-	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
-				/* 0x61190 if MIPI */
-	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
-	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
-	u8 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 byte */
-						/* Register 0x61210 */
-	struct mrst_timing_info DTD;/*18 bytes, Standard definition */
-	u16 Panel_Backlight_Inverter_Descriptor;/*16 bits, as follows*/
-				/*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/
-	u8 Panel_Initial_Brightness;/* [7:0] 0 - 100% */
-			/*Bit 7, Polarity, 1 bit,0: Normal, 1: Inverted*/
-	u16 Panel_MIPI_Display_Descriptor;
-			/*16 bits, Defined as follows: */
-			/* if MIPI, 0x0000 if LVDS */
-			/* Bit 0, Type, 2 bits, */
-			/* 0: Type-1, */
-			/* 1: Type-2, */
-			/* 2: Type-3, */
-			/* 3: Type-4 */
-			/* Bit 2, Pixel Format, 4 bits */
-			/* Bit0: 16bpp (not supported in LNC), */
-			/* Bit1: 18bpp loosely packed, */
-			/* Bit2: 18bpp packed, */
-			/* Bit3: 24bpp */
-			/* Bit 6, Reserved, 2 bits, 00b */
-			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
-			/* Bit 14, Reserved, 2 bits, 00b */
-} __packed;
-
-union mrst_panel_rx {
-	struct {
-		u16 NumberOfLanes:2; /*Num of Lanes, 2 bits,0 = 1 lane,*/
-			/* 1 = 2 lanes, 2 = 3 lanes, 3 = 4 lanes. */
-		u16 MaxLaneFreq:3; /* 0: 100MHz, 1: 200MHz, 2: 300MHz, */
-		/*3: 400MHz, 4: 500MHz, 5: 600MHz, 6: 700MHz, 7: 800MHz.*/
-		u16 SupportedVideoTransferMode:2; /*0: Non-burst only */
-					/* 1: Burst and non-burst */
-					/* 2/3: Reserved */
-		u16 HSClkBehavior:1; /*0: Continuous, 1: Non-continuous*/
-		u16 DuoDisplaySupport:1; /*1 bit,0: No, 1: Yes*/
-		u16 ECC_ChecksumCapabilities:1;/*1 bit,0: No, 1: Yes*/
-		u16 BidirectionalCommunication:1;/*1 bit,0: No, 1: Yes */
-		u16 Rsvd:5;/*5 bits,00000b */
-	} panelrx;
-	u16 panel_receiver;
-} __packed;
-
-struct mrst_gct_v1 {
-	union { /*8 bits,Defined as follows: */
-		struct {
-			u8 PanelType:4; /*4 bits, Bit field for panels*/
-					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
-					/*2 bits,Specifies which of the*/
-			u8 BootPanelIndex:2;
-					/* 4 panels to use by default*/
-			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
-					/* the 4 MIPI DSI receivers to use*/
-		} PD;
-		u8 PanelDescriptor;
-	};
-	struct mrst_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/
-	union mrst_panel_rx panelrx[4]; /* panel receivers*/
-} __packed;
-
-struct mrst_gct_v2 {
-	union { /*8 bits,Defined as follows: */
-		struct {
-			u8 PanelType:4; /*4 bits, Bit field for panels*/
-					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
-					/*2 bits,Specifies which of the*/
-			u8 BootPanelIndex:2;
-					/* 4 panels to use by default*/
-			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
-					/* the 4 MIPI DSI receivers to use*/
-		} PD;
-		u8 PanelDescriptor;
-	};
-	struct mrst_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/
-	union mrst_panel_rx panelrx[4]; /* panel receivers*/
-} __packed;
-
-struct mrst_gct_data {
-	u8 bpi; /* boot panel index, number of panel used during boot */
-	u8 pt; /* panel type, 4 bit field, 0=lvds, 1=mipi */
-	struct mrst_timing_info DTD; /* timing info for the selected panel */
-	u32 Panel_Port_Control;
-	u32 PP_On_Sequencing;/*1 dword,Register 0x61208,*/
-	u32 PP_Off_Sequencing;/*1 dword,Register 0x6120C,*/
-	u32 PP_Cycle_Delay;
-	u16 Panel_Backlight_Inverter_Descriptor;
-	u16 Panel_MIPI_Display_Descriptor;
-} __packed;
-
-#define MODE_SETTING_IN_CRTC		0x1
-#define MODE_SETTING_IN_ENCODER		0x2
-#define MODE_SETTING_ON_GOING		0x3
-#define MODE_SETTING_IN_DSR		0x4
-#define MODE_SETTING_ENCODER_DONE	0x8
-
-#define GCT_R10_HEADER_SIZE		16
-#define GCT_R10_DISPLAY_DESC_SIZE	28
-
-/*
- *	Moorestown HDMI interfaces
- */
-
-struct mrst_hdmi_dev {
-	struct pci_dev *dev;
-	void __iomem *regs;
-	unsigned int mmio, mmio_len;
-	int dpms_mode;
-	struct hdmi_i2c_dev *i2c_dev;
-
-	/* register state */
-	u32 saveDPLL_CTRL;
-	u32 saveDPLL_DIV_CTRL;
-	u32 saveDPLL_ADJUST;
-	u32 saveDPLL_UPDATE;
-	u32 saveDPLL_CLK_ENABLE;
-	u32 savePCH_HTOTAL_B;
-	u32 savePCH_HBLANK_B;
-	u32 savePCH_HSYNC_B;
-	u32 savePCH_VTOTAL_B;
-	u32 savePCH_VBLANK_B;
-	u32 savePCH_VSYNC_B;
-	u32 savePCH_PIPEBCONF;
-	u32 savePCH_PIPEBSRC;
-};
-
-extern void mrst_hdmi_setup(struct drm_device *dev);
-extern void mrst_hdmi_teardown(struct drm_device *dev);
-extern int  mrst_hdmi_i2c_init(struct pci_dev *dev);
-extern void mrst_hdmi_i2c_exit(struct pci_dev *dev);
-extern void mrst_hdmi_save(struct drm_device *dev);
-extern void mrst_hdmi_restore(struct drm_device *dev);
-extern void mrst_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);
diff --git a/drivers/staging/gma500/mrst_crtc.c b/drivers/staging/gma500/mrst_crtc.c
deleted file mode 100644
index 980837e37d80..000000000000
--- a/drivers/staging/gma500/mrst_crtc.c
+++ /dev/null
@@ -1,604 +0,0 @@
-/*
- * Copyright © 2009 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drmP.h>
-#include "framebuffer.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_display.h"
-#include "power.h"
-
-struct psb_intel_range_t {
-	int min, max;
-};
-
-struct mrst_limit_t {
-	struct psb_intel_range_t dot, m, p1;
-};
-
-struct mrst_clock_t {
-	/* derived values */
-	int dot;
-	int m;
-	int p1;
-};
-
-#define MRST_LIMIT_LVDS_100L	    0
-#define MRST_LIMIT_LVDS_83	    1
-#define MRST_LIMIT_LVDS_100	    2
-
-#define MRST_DOT_MIN		  19750
-#define MRST_DOT_MAX		  120000
-#define MRST_M_MIN_100L		    20
-#define MRST_M_MIN_100		    10
-#define MRST_M_MIN_83		    12
-#define MRST_M_MAX_100L		    34
-#define MRST_M_MAX_100		    17
-#define MRST_M_MAX_83		    20
-#define MRST_P1_MIN		    2
-#define MRST_P1_MAX_0		    7
-#define MRST_P1_MAX_1		    8
-
-static const struct mrst_limit_t mrst_limits[] = {
-	{			/* MRST_LIMIT_LVDS_100L */
-	 .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
-	 .m = {.min = MRST_M_MIN_100L, .max = MRST_M_MAX_100L},
-	 .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1},
-	 },
-	{			/* MRST_LIMIT_LVDS_83L */
-	 .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
-	 .m = {.min = MRST_M_MIN_83, .max = MRST_M_MAX_83},
-	 .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_0},
-	 },
-	{			/* MRST_LIMIT_LVDS_100 */
-	 .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
-	 .m = {.min = MRST_M_MIN_100, .max = MRST_M_MAX_100},
-	 .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1},
-	 },
-};
-
-#define MRST_M_MIN	    10
-static const u32 mrst_m_converts[] = {
-	0x2B, 0x15, 0x2A, 0x35, 0x1A, 0x0D, 0x26, 0x33, 0x19, 0x2C,
-	0x36, 0x3B, 0x1D, 0x2E, 0x37, 0x1B, 0x2D, 0x16, 0x0B, 0x25,
-	0x12, 0x09, 0x24, 0x32, 0x39, 0x1c,
-};
-
-static const struct mrst_limit_t *mrst_limit(struct drm_crtc *crtc)
-{
-	const struct mrst_limit_t *limit = NULL;
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)
-	    || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)) {
-		switch (dev_priv->core_freq) {
-		case 100:
-			limit = &mrst_limits[MRST_LIMIT_LVDS_100L];
-			break;
-		case 166:
-			limit = &mrst_limits[MRST_LIMIT_LVDS_83];
-			break;
-		case 200:
-			limit = &mrst_limits[MRST_LIMIT_LVDS_100];
-			break;
-		}
-	} else {
-		limit = NULL;
-		dev_err(dev->dev, "mrst_limit Wrong display type.\n");
-	}
-
-	return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-static void mrst_clock(int refclk, struct mrst_clock_t *clock)
-{
-	clock->dot = (refclk * clock->m) / (14 * clock->p1);
-}
-
-void mrstPrintPll(char *prefix, struct mrst_clock_t *clock)
-{
-	pr_debug("%s: dotclock = %d,  m = %d, p1 = %d.\n",
-	     prefix, clock->dot, clock->m, clock->p1);
-}
-
-/**
- * Returns a set of divisors for the desired target clock with the given refclk,
- * or FALSE.  Divisor values are the actual divisors for
- */
-static bool
-mrstFindBestPLL(struct drm_crtc *crtc, int target, int refclk,
-		struct mrst_clock_t *best_clock)
-{
-	struct mrst_clock_t clock;
-	const struct mrst_limit_t *limit = mrst_limit(crtc);
-	int err = target;
-
-	memset(best_clock, 0, sizeof(*best_clock));
-
-	for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
-		for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
-		     clock.p1++) {
-			int this_err;
-
-			mrst_clock(refclk, &clock);
-
-			this_err = abs(clock.dot - target);
-			if (this_err < err) {
-				*best_clock = clock;
-				err = this_err;
-			}
-		}
-	}
-	dev_dbg(crtc->dev->dev, "mrstFindBestPLL err = %d.\n", err);
-	return err != target;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void mrst_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = (pipe == 0) ? MRST_DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int dspbase_reg = (pipe == 0) ? MRST_DSPABASE : DSPBBASE;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	u32 temp;
-	bool enabled;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	/* XXX: When our outputs are all unaware of DPMS modes other than off
-	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-	 */
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable the DPLL */
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) == 0) {
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-		}
-		/* Enable the pipe */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) == 0)
-			REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-		/* Enable the plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		}
-
-		psb_intel_crtc_load_lut(crtc);
-
-		/* Give the overlay scaler a chance to enable
-		   if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
-		break;
-	case DRM_MODE_DPMS_OFF:
-		/* Give the overlay scaler a chance to disable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-
-		/* Disable the VGA plane that we never use */
-		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-		/* Disable display plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp & ~DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-			REG_READ(dspbase_reg);
-		}
-
-		/* Next, disable display pipes */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
-			REG_READ(pipeconf_reg);
-		}
-		/* Wait for for the pipe disable to take effect. */
-		psb_intel_wait_for_vblank(dev);
-
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) != 0) {
-			REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-		}
-
-		/* Wait for the clocks to turn off. */
-		udelay(150);
-		break;
-	}
-
-	enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-
-	/*Set FIFO Watermarks*/
-	REG_WRITE(DSPARB, 0x3FFF);
-	REG_WRITE(DSPFW1, 0x3F88080A);
-	REG_WRITE(DSPFW2, 0x0b060808);
-	REG_WRITE(DSPFW3, 0x0);
-	REG_WRITE(DSPFW4, 0x08030404);
-	REG_WRITE(DSPFW5, 0x04040404);
-	REG_WRITE(DSPFW6, 0x78);
-	REG_WRITE(0x70400, REG_READ(0x70400) | 0x4000);
-	/* Must write Bit 14 of the Chicken Bit Register */
-
-	gma_power_end(dev);
-}
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int mrst_panel_fitter_pipe(struct drm_device *dev)
-{
-	u32 pfit_control;
-
-	pfit_control = REG_READ(PFIT_CONTROL);
-
-	/* See if the panel fitter is in use */
-	if ((pfit_control & PFIT_ENABLE) == 0)
-		return -1;
-	return (pfit_control >> 29) & 3;
-}
-
-static int mrst_crtc_mode_set(struct drm_crtc *crtc,
-			      struct drm_display_mode *mode,
-			      struct drm_display_mode *adjusted_mode,
-			      int x, int y,
-			      struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int pipe = psb_intel_crtc->pipe;
-	int fp_reg = (pipe == 0) ? MRST_FPA0 : FPB0;
-	int dpll_reg = (pipe == 0) ? MRST_DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-	int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-	int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-	int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-	int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-	int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-	int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-	int refclk = 0;
-	struct mrst_clock_t clock;
-	u32 dpll = 0, fp = 0, dspcntr, pipeconf;
-	bool ok, is_sdvo = false;
-	bool is_crt = false, is_lvds = false, is_tv = false;
-	bool is_mipi = false;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct psb_intel_output *psb_intel_output = NULL;
-	uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN;
-	struct drm_encoder *encoder;
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	memcpy(&psb_intel_crtc->saved_mode,
-		mode,
-		sizeof(struct drm_display_mode));
-	memcpy(&psb_intel_crtc->saved_adjusted_mode,
-		adjusted_mode,
-		sizeof(struct drm_display_mode));
-
-	list_for_each_entry(encoder, &mode_config->encoder_list, head) {
-
-		if (encoder->crtc != crtc)
-			continue;
-
-		psb_intel_output = enc_to_psb_intel_output(encoder);
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-			is_lvds = true;
-			break;
-		case INTEL_OUTPUT_SDVO:
-			is_sdvo = true;
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			is_tv = true;
-			break;
-		case INTEL_OUTPUT_ANALOG:
-			is_crt = true;
-			break;
-		case INTEL_OUTPUT_MIPI:
-			is_mipi = true;
-			break;
-		}
-	}
-
-	/* Disable the VGA plane that we never use */
-	REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-	/* Disable the panel fitter if it was on our pipe */
-	if (mrst_panel_fitter_pipe(dev) == pipe)
-		REG_WRITE(PFIT_CONTROL, 0);
-
-	REG_WRITE(pipesrc_reg,
-		  ((mode->crtc_hdisplay - 1) << 16) |
-		  (mode->crtc_vdisplay - 1));
-
-	if (psb_intel_output)
-		drm_connector_property_get_value(&psb_intel_output->base,
-			dev->mode_config.scaling_mode_property, &scalingType);
-
-	if (scalingType == DRM_MODE_SCALE_NO_SCALE) {
-		/* Moorestown doesn't have register support for centering so
-		 * we need to mess with the h/vblank and h/vsync start and
-		 * ends to get centering */
-		int offsetX = 0, offsetY = 0;
-
-		offsetX = (adjusted_mode->crtc_hdisplay -
-			   mode->crtc_hdisplay) / 2;
-		offsetY = (adjusted_mode->crtc_vdisplay -
-			   mode->crtc_vdisplay) / 2;
-
-		REG_WRITE(htot_reg, (mode->crtc_hdisplay - 1) |
-			((adjusted_mode->crtc_htotal - 1) << 16));
-		REG_WRITE(vtot_reg, (mode->crtc_vdisplay - 1) |
-			((adjusted_mode->crtc_vtotal - 1) << 16));
-		REG_WRITE(hblank_reg,
-			(adjusted_mode->crtc_hblank_start - offsetX - 1) |
-			((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16));
-		REG_WRITE(hsync_reg,
-			(adjusted_mode->crtc_hsync_start - offsetX - 1) |
-			((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16));
-		REG_WRITE(vblank_reg,
-			(adjusted_mode->crtc_vblank_start - offsetY - 1) |
-			((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16));
-		REG_WRITE(vsync_reg,
-			(adjusted_mode->crtc_vsync_start - offsetY - 1) |
-			((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16));
-	} else {
-		REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-			((adjusted_mode->crtc_htotal - 1) << 16));
-		REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-			((adjusted_mode->crtc_vtotal - 1) << 16));
-		REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-			((adjusted_mode->crtc_hblank_end - 1) << 16));
-		REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-			((adjusted_mode->crtc_hsync_end - 1) << 16));
-		REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-			((adjusted_mode->crtc_vblank_end - 1) << 16));
-		REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-			((adjusted_mode->crtc_vsync_end - 1) << 16));
-	}
-
-	/* Flush the plane changes */
-	{
-		struct drm_crtc_helper_funcs *crtc_funcs =
-		    crtc->helper_private;
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-	}
-
-	/* setup pipeconf */
-	pipeconf = REG_READ(pipeconf_reg);
-
-	/* Set up the display plane register */
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr |= DISPPLANE_GAMMA_ENABLE;
-
-	if (pipe == 0)
-		dspcntr |= DISPPLANE_SEL_PIPE_A;
-	else
-		dspcntr |= DISPPLANE_SEL_PIPE_B;
-
-	dev_priv->dspcntr = dspcntr |= DISPLAY_PLANE_ENABLE;
-	dev_priv->pipeconf = pipeconf |= PIPEACONF_ENABLE;
-
-	if (is_mipi)
-		goto mrst_crtc_mode_set_exit;
-
-	refclk = dev_priv->core_freq * 1000;
-
-	dpll = 0;		/*BIT16 = 0 for 100MHz reference */
-
-	ok = mrstFindBestPLL(crtc, adjusted_mode->clock, refclk, &clock);
-
-	if (!ok) {
-		dev_dbg(dev->dev, "mrstFindBestPLL fail in mrst_crtc_mode_set.\n");
-	} else {
-		dev_dbg(dev->dev, "mrst_crtc_mode_set pixel clock = %d,"
-			 "m = %x, p1 = %x.\n", clock.dot, clock.m,
-			 clock.p1);
-	}
-
-	fp = mrst_m_converts[(clock.m - MRST_M_MIN)] << 8;
-
-	dpll |= DPLL_VGA_MODE_DIS;
-
-
-	dpll |= DPLL_VCO_ENABLE;
-
-	if (is_lvds)
-		dpll |= DPLLA_MODE_LVDS;
-	else
-		dpll |= DPLLB_MODE_DAC_SERIAL;
-
-	if (is_sdvo) {
-		int sdvo_pixel_multiply =
-		    adjusted_mode->clock / mode->clock;
-
-		dpll |= DPLL_DVO_HIGH_SPEED;
-		dpll |=
-		    (sdvo_pixel_multiply -
-		     1) << SDVO_MULTIPLIER_SHIFT_HIRES;
-	}
-
-
-	/* compute bitmask from p1 value */
-	dpll |= (1 << (clock.p1 - 2)) << 17;
-
-	dpll |= DPLL_VCO_ENABLE;
-
-	mrstPrintPll("chosen", &clock);
-
-	if (dpll & DPLL_VCO_ENABLE) {
-		REG_WRITE(fp_reg, fp);
-		REG_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
-		REG_READ(dpll_reg);
-		/* Check the DPLLA lock bit PIPEACONF[29] */
-		udelay(150);
-	}
-
-	REG_WRITE(fp_reg, fp);
-	REG_WRITE(dpll_reg, dpll);
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
-
-	/* write it again -- the BIOS does, after all */
-	REG_WRITE(dpll_reg, dpll);
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
-
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-	psb_intel_wait_for_vblank(dev);
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-	psb_intel_wait_for_vblank(dev);
-
-mrst_crtc_mode_set_exit:
-	gma_power_end(dev);
-	return 0;
-}
-
-static bool mrst_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-int mrst_pipe_set_base(struct drm_crtc *crtc,
-			    int x, int y, struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-	int pipe = psb_intel_crtc->pipe;
-	unsigned long start, offset;
-
-	int dspbase = (pipe == 0 ? DSPALINOFF : DSPBBASE);
-	int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
-	int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	u32 dspcntr;
-	int ret = 0;
-
-	/* no fb bound */
-	if (!crtc->fb) {
-		dev_dbg(dev->dev, "No FB bound\n");
-		return 0;
-	}
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	start = psbfb->gtt->offset;
-	offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-	REG_WRITE(dspstride, crtc->fb->pitches[0]);
-
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-	switch (crtc->fb->bits_per_pixel) {
-	case 8:
-		dspcntr |= DISPPLANE_8BPP;
-		break;
-	case 16:
-		if (crtc->fb->depth == 15)
-			dspcntr |= DISPPLANE_15_16BPP;
-		else
-			dspcntr |= DISPPLANE_16BPP;
-		break;
-	case 24:
-	case 32:
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown color depth\n");
-		ret = -EINVAL;
-		goto pipe_set_base_exit;
-	}
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	REG_WRITE(dspbase, offset);
-	REG_READ(dspbase);
-	REG_WRITE(dspsurf, start);
-	REG_READ(dspsurf);
-
-pipe_set_base_exit:
-	gma_power_end(dev);
-	return ret;
-}
-
-static void mrst_crtc_prepare(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void mrst_crtc_commit(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-const struct drm_crtc_helper_funcs mrst_helper_funcs = {
-	.dpms = mrst_crtc_dpms,
-	.mode_fixup = mrst_crtc_mode_fixup,
-	.mode_set = mrst_crtc_mode_set,
-	.mode_set_base = mrst_pipe_set_base,
-	.prepare = mrst_crtc_prepare,
-	.commit = mrst_crtc_commit,
-};
-
diff --git a/drivers/staging/gma500/mrst_device.c b/drivers/staging/gma500/mrst_device.c
deleted file mode 100644
index 6707fafbfa1e..000000000000
--- a/drivers/staging/gma500/mrst_device.c
+++ /dev/null
@@ -1,634 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <linux/module.h>
-#include <linux/dmi.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include <asm/mrst.h>
-#include <asm/intel_scu_ipc.h>
-#include "mid_bios.h"
-
-static int devtype;
-
-module_param_named(type, devtype, int, 0600);
-MODULE_PARM_DESC(type, "Moorestown/Oaktrail device type");
-
-#define DEVICE_MOORESTOWN		1
-#define DEVICE_OAKTRAIL			2
-#define DEVICE_MOORESTOWN_MM		3
-
-static int mrst_device_ident(struct drm_device *dev)
-{
-	/* User forced */
-	if (devtype)
-		return devtype;
-	if (dmi_match(DMI_PRODUCT_NAME, "OakTrail") ||
-		dmi_match(DMI_PRODUCT_NAME, "OakTrail platform"))
-		return DEVICE_OAKTRAIL;
-#if defined(CONFIG_X86_MRST)
-	if (dmi_match(DMI_PRODUCT_NAME, "MM") ||
-		dmi_match(DMI_PRODUCT_NAME, "MM 10"))
-		return DEVICE_MOORESTOWN_MM;
-	if (mrst_identify_cpu())
-		return DEVICE_MOORESTOWN;
-#endif
-	return DEVICE_OAKTRAIL;
-}
-
-
-/* IPC message and command defines used to enable/disable mipi panel voltages */
-#define IPC_MSG_PANEL_ON_OFF    0xE9
-#define IPC_CMD_PANEL_ON        1
-#define IPC_CMD_PANEL_OFF       0
-
-static int mrst_output_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	if (dev_priv->iLVDS_enable)
-		mrst_lvds_init(dev, &dev_priv->mode_dev);
-	else
-		dev_err(dev->dev, "DSI is not supported\n");
-	if (dev_priv->hdmi_priv)
-		mrst_hdmi_init(dev, &dev_priv->mode_dev);
-	return 0;
-}
-
-/*
- *	Provide the low level interfaces for the Moorestown backlight
- */
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-#define MRST_BLC_MAX_PWM_REG_FREQ	    0xFFFF
-#define BLC_PWM_PRECISION_FACTOR 100	/* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-#define BLC_ADJUSTMENT_MAX 100
-
-static struct backlight_device *mrst_backlight_device;
-static int mrst_brightness;
-
-static int mrst_set_brightness(struct backlight_device *bd)
-{
-	struct drm_device *dev = bl_get_data(mrst_backlight_device);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int level = bd->props.brightness;
-	u32 blc_pwm_ctl;
-	u32 max_pwm_blc;
-
-	/* Percentage 1-100% being valid */
-	if (level < 1)
-		level = 1;
-
-	if (gma_power_begin(dev, 0)) {
-		/* Calculate and set the brightness value */
-		max_pwm_blc = REG_READ(BLC_PWM_CTL) >> 16;
-		blc_pwm_ctl = level * max_pwm_blc / 100;
-
-		/* Adjust the backlight level with the percent in
-		 * dev_priv->blc_adj1;
-		 */
-		blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj1;
-		blc_pwm_ctl = blc_pwm_ctl / 100;
-
-		/* Adjust the backlight level with the percent in
-		 * dev_priv->blc_adj2;
-		 */
-		blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj2;
-		blc_pwm_ctl = blc_pwm_ctl / 100;
-
-		/* force PWM bit on */
-		REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
-		REG_WRITE(BLC_PWM_CTL, (max_pwm_blc << 16) | blc_pwm_ctl);
-		gma_power_end(dev);
-	}
-	mrst_brightness = level;
-	return 0;
-}
-
-static int mrst_get_brightness(struct backlight_device *bd)
-{
-	/* return locally cached var instead of HW read (due to DPST etc.) */
-	/* FIXME: ideally return actual value in case firmware fiddled with
-	   it */
-	return mrst_brightness;
-}
-
-static int device_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long core_clock;
-	u16 bl_max_freq;
-	uint32_t value;
-	uint32_t blc_pwm_precision_factor;
-
-	dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX;
-	dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX;
-	bl_max_freq = 256;
-	/* this needs to be set elsewhere */
-	blc_pwm_precision_factor = BLC_PWM_PRECISION_FACTOR;
-
-	core_clock = dev_priv->core_freq;
-
-	value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
-	value *= blc_pwm_precision_factor;
-	value /= bl_max_freq;
-	value /= blc_pwm_precision_factor;
-
-	if (value > (unsigned long long)MRST_BLC_MAX_PWM_REG_FREQ)
-			return -ERANGE;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
-		REG_WRITE(BLC_PWM_CTL, value | (value << 16));
-		gma_power_end(dev);
-	}
-	return 0;
-}
-
-static const struct backlight_ops mrst_ops = {
-	.get_brightness = mrst_get_brightness,
-	.update_status  = mrst_set_brightness,
-};
-
-int mrst_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-	struct backlight_properties props;
-
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.max_brightness = 100;
-	props.type = BACKLIGHT_PLATFORM;
-
-	mrst_backlight_device = backlight_device_register("mrst-bl",
-					NULL, (void *)dev, &mrst_ops, &props);
-
-	if (IS_ERR(mrst_backlight_device))
-		return PTR_ERR(mrst_backlight_device);
-
-	ret = device_backlight_init(dev);
-	if (ret < 0) {
-		backlight_device_unregister(mrst_backlight_device);
-		return ret;
-	}
-	mrst_backlight_device->props.brightness = 100;
-	mrst_backlight_device->props.max_brightness = 100;
-	backlight_update_status(mrst_backlight_device);
-	dev_priv->backlight_device = mrst_backlight_device;
-	return 0;
-}
-
-#endif
-
-/*
- *	Provide the Moorestown specific chip logic and low level methods
- *	for power management
- */
-
-static void mrst_init_pm(struct drm_device *dev)
-{
-}
-
-/**
- *	mrst_save_display_registers	-	save registers lost on suspend
- *	@dev: our DRM device
- *
- *	Save the state we need in order to be able to restore the interface
- *	upon resume from suspend
- */
-static int mrst_save_display_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int i;
-	u32 pp_stat;
-
-	/* Display arbitration control + watermarks */
-	dev_priv->saveDSPARB = PSB_RVDC32(DSPARB);
-	dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1);
-	dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2);
-	dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3);
-	dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4);
-	dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5);
-	dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6);
-	dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
-
-	/* Pipe & plane A info */
-	dev_priv->savePIPEACONF = PSB_RVDC32(PIPEACONF);
-	dev_priv->savePIPEASRC = PSB_RVDC32(PIPEASRC);
-	dev_priv->saveFPA0 = PSB_RVDC32(MRST_FPA0);
-	dev_priv->saveFPA1 = PSB_RVDC32(MRST_FPA1);
-	dev_priv->saveDPLL_A = PSB_RVDC32(MRST_DPLL_A);
-	dev_priv->saveHTOTAL_A = PSB_RVDC32(HTOTAL_A);
-	dev_priv->saveHBLANK_A = PSB_RVDC32(HBLANK_A);
-	dev_priv->saveHSYNC_A = PSB_RVDC32(HSYNC_A);
-	dev_priv->saveVTOTAL_A = PSB_RVDC32(VTOTAL_A);
-	dev_priv->saveVBLANK_A = PSB_RVDC32(VBLANK_A);
-	dev_priv->saveVSYNC_A = PSB_RVDC32(VSYNC_A);
-	dev_priv->saveBCLRPAT_A = PSB_RVDC32(BCLRPAT_A);
-	dev_priv->saveDSPACNTR = PSB_RVDC32(DSPACNTR);
-	dev_priv->saveDSPASTRIDE = PSB_RVDC32(DSPASTRIDE);
-	dev_priv->saveDSPAADDR = PSB_RVDC32(DSPABASE);
-	dev_priv->saveDSPASURF = PSB_RVDC32(DSPASURF);
-	dev_priv->saveDSPALINOFF = PSB_RVDC32(DSPALINOFF);
-	dev_priv->saveDSPATILEOFF = PSB_RVDC32(DSPATILEOFF);
-
-	/* Save cursor regs */
-	dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
-	dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
-	dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
-
-	/* Save palette (gamma) */
-	for (i = 0; i < 256; i++)
-		dev_priv->save_palette_a[i] = PSB_RVDC32(PALETTE_A + (i << 2));
-
-	if (dev_priv->hdmi_priv)
-		mrst_hdmi_save(dev);
-
-	/* Save performance state */
-	dev_priv->savePERF_MODE = PSB_RVDC32(MRST_PERF_MODE);
-
-	/* LVDS state */
-	dev_priv->savePP_CONTROL = PSB_RVDC32(PP_CONTROL);
-	dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
-	dev_priv->savePFIT_AUTO_RATIOS = PSB_RVDC32(PFIT_AUTO_RATIOS);
-	dev_priv->saveBLC_PWM_CTL = PSB_RVDC32(BLC_PWM_CTL);
-	dev_priv->saveBLC_PWM_CTL2 = PSB_RVDC32(BLC_PWM_CTL2);
-	dev_priv->saveLVDS = PSB_RVDC32(LVDS);
-	dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
-	dev_priv->savePP_ON_DELAYS = PSB_RVDC32(LVDSPP_ON);
-	dev_priv->savePP_OFF_DELAYS = PSB_RVDC32(LVDSPP_OFF);
-	dev_priv->savePP_DIVISOR = PSB_RVDC32(PP_CYCLE);
-
-	/* HW overlay */
-	dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD);
-	dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
-	dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
-	dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
-	dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
-	dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
-	dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-
-	/* DPST registers */
-	dev_priv->saveHISTOGRAM_INT_CONTROL_REG =
-					PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-	dev_priv->saveHISTOGRAM_LOGIC_CONTROL_REG =
-					PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
-	dev_priv->savePWM_CONTROL_LOGIC = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-	if (dev_priv->iLVDS_enable) {
-		/* Shut down the panel */
-		PSB_WVDC32(0, PP_CONTROL);
-
-		do {
-			pp_stat = PSB_RVDC32(PP_STATUS);
-		} while (pp_stat & 0x80000000);
-
-		/* Turn off the plane */
-		PSB_WVDC32(0x58000000, DSPACNTR);
-		/* Trigger the plane disable */
-		PSB_WVDC32(0, DSPASURF);
-
-		/* Wait ~4 ticks */
-		msleep(4);
-
-		/* Turn off pipe */
-		PSB_WVDC32(0x0, PIPEACONF);
-		/* Wait ~8 ticks */
-		msleep(8);
-
-		/* Turn off PLLs */
-		PSB_WVDC32(0, MRST_DPLL_A);
-	}
-	return 0;
-}
-
-/**
- *	mrst_restore_display_registers	-	restore lost register state
- *	@dev: our DRM device
- *
- *	Restore register state that was lost during suspend and resume.
- */
-static int mrst_restore_display_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pp_stat;
-	int i;
-
-	/* Display arbitration + watermarks */
-	PSB_WVDC32(dev_priv->saveDSPARB, DSPARB);
-	PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1);
-	PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2);
-	PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3);
-	PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4);
-	PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5);
-	PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6);
-	PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT);
-
-	/* Make sure VGA plane is off. it initializes to on after reset!*/
-	PSB_WVDC32(0x80000000, VGACNTRL);
-
-	/* set the plls */
-	PSB_WVDC32(dev_priv->saveFPA0, MRST_FPA0);
-	PSB_WVDC32(dev_priv->saveFPA1, MRST_FPA1);
-
-	/* Actually enable it */
-	PSB_WVDC32(dev_priv->saveDPLL_A, MRST_DPLL_A);
-	DRM_UDELAY(150);
-
-	/* Restore mode */
-	PSB_WVDC32(dev_priv->saveHTOTAL_A, HTOTAL_A);
-	PSB_WVDC32(dev_priv->saveHBLANK_A, HBLANK_A);
-	PSB_WVDC32(dev_priv->saveHSYNC_A, HSYNC_A);
-	PSB_WVDC32(dev_priv->saveVTOTAL_A, VTOTAL_A);
-	PSB_WVDC32(dev_priv->saveVBLANK_A, VBLANK_A);
-	PSB_WVDC32(dev_priv->saveVSYNC_A, VSYNC_A);
-	PSB_WVDC32(dev_priv->savePIPEASRC, PIPEASRC);
-	PSB_WVDC32(dev_priv->saveBCLRPAT_A, BCLRPAT_A);
-
-	/* Restore performance mode*/
-	PSB_WVDC32(dev_priv->savePERF_MODE, MRST_PERF_MODE);
-
-	/* Enable the pipe*/
-	if (dev_priv->iLVDS_enable)
-		PSB_WVDC32(dev_priv->savePIPEACONF, PIPEACONF);
-
-	/* Set up the plane*/
-	PSB_WVDC32(dev_priv->saveDSPALINOFF, DSPALINOFF);
-	PSB_WVDC32(dev_priv->saveDSPASTRIDE, DSPASTRIDE);
-	PSB_WVDC32(dev_priv->saveDSPATILEOFF, DSPATILEOFF);
-
-	/* Enable the plane */
-	PSB_WVDC32(dev_priv->saveDSPACNTR, DSPACNTR);
-	PSB_WVDC32(dev_priv->saveDSPASURF, DSPASURF);
-
-	/* Enable Cursor A */
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR);
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS);
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE);
-
-	/* Restore palette (gamma) */
-	for (i = 0; i < 256; i++)
-		PSB_WVDC32(dev_priv->save_palette_a[i], PALETTE_A + (i << 2));
-
-	if (dev_priv->hdmi_priv)
-		mrst_hdmi_restore(dev);
-
-	if (dev_priv->iLVDS_enable) {
-		PSB_WVDC32(dev_priv->saveBLC_PWM_CTL2, BLC_PWM_CTL2);
-		PSB_WVDC32(dev_priv->saveLVDS, LVDS); /*port 61180h*/
-		PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL);
-		PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
-		PSB_WVDC32(dev_priv->savePFIT_AUTO_RATIOS, PFIT_AUTO_RATIOS);
-		PSB_WVDC32(dev_priv->saveBLC_PWM_CTL, BLC_PWM_CTL);
-		PSB_WVDC32(dev_priv->savePP_ON_DELAYS, LVDSPP_ON);
-		PSB_WVDC32(dev_priv->savePP_OFF_DELAYS, LVDSPP_OFF);
-		PSB_WVDC32(dev_priv->savePP_DIVISOR, PP_CYCLE);
-		PSB_WVDC32(dev_priv->savePP_CONTROL, PP_CONTROL);
-	}
-
-	/* Wait for cycle delay */
-	do {
-		pp_stat = PSB_RVDC32(PP_STATUS);
-	} while (pp_stat & 0x08000000);
-
-	/* Wait for panel power up */
-	do {
-		pp_stat = PSB_RVDC32(PP_STATUS);
-	} while (pp_stat & 0x10000000);
-
-	/* Restore HW overlay */
-	PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5);
-
-	/* DPST registers */
-	PSB_WVDC32(dev_priv->saveHISTOGRAM_INT_CONTROL_REG,
-						HISTOGRAM_INT_CONTROL);
-	PSB_WVDC32(dev_priv->saveHISTOGRAM_LOGIC_CONTROL_REG,
-						HISTOGRAM_LOGIC_CONTROL);
-	PSB_WVDC32(dev_priv->savePWM_CONTROL_LOGIC, PWM_CONTROL_LOGIC);
-
-	return 0;
-}
-
-/**
- *	mrst_power_down	-	power down the display island
- *	@dev: our DRM device
- *
- *	Power down the display interface of our device
- */
-static int mrst_power_down(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pwr_mask ;
-	u32 pwr_sts;
-
-	pwr_mask = PSB_PWRGT_DISPLAY_MASK;
-	outl(pwr_mask, dev_priv->ospm_base + PSB_PM_SSC);
-
-	while (true) {
-		pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
-		if ((pwr_sts & pwr_mask) == pwr_mask)
-			break;
-		else
-			udelay(10);
-	}
-	return 0;
-}
-
-/*
- * mrst_power_up
- *
- * Restore power to the specified island(s) (powergating)
- */
-static int mrst_power_up(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pwr_mask = PSB_PWRGT_DISPLAY_MASK;
-	u32 pwr_sts, pwr_cnt;
-
-	pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
-	pwr_cnt &= ~pwr_mask;
-	outl(pwr_cnt, (dev_priv->ospm_base + PSB_PM_SSC));
-
-	while (true) {
-		pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
-		if ((pwr_sts & pwr_mask) == 0)
-			break;
-		else
-			udelay(10);
-	}
-	return 0;
-}
-
-#if defined(CONFIG_X86_MRST)
-static void mrst_lvds_cache_bl(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	intel_scu_ipc_ioread8(0x28, &(dev_priv->saveBKLTCNT));
-	intel_scu_ipc_ioread8(0x29, &(dev_priv->saveBKLTREQ));
-	intel_scu_ipc_ioread8(0x2A, &(dev_priv->saveBKLTBRTL));
-}
-
-static void mrst_mm_bl_power(struct drm_device *dev, bool on)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (on) {
-		intel_scu_ipc_iowrite8(0x2A, dev_priv->saveBKLTBRTL);
-		intel_scu_ipc_iowrite8(0x28, dev_priv->saveBKLTCNT);
-		intel_scu_ipc_iowrite8(0x29, dev_priv->saveBKLTREQ);
-	} else {
-		intel_scu_ipc_iowrite8(0x2A, 0);
-		intel_scu_ipc_iowrite8(0x28, 0);
-		intel_scu_ipc_iowrite8(0x29, 0);
-	}
-}
-
-static const struct psb_ops mrst_mm_chip_ops = {
-	.name = "Moorestown MM ",
-	.accel_2d = 1,
-	.pipes = 1,
-	.crtcs = 1,
-	.sgx_offset = MRST_SGX_OFFSET,
-
-	.crtc_helper = &mrst_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
-
-	.output_init = mrst_output_init,
-
-	.lvds_bl_power = mrst_mm_bl_power,
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = mrst_backlight_init,
-#endif
-
-	.init_pm = mrst_init_pm,
-	.save_regs = mrst_save_display_registers,
-	.restore_regs = mrst_restore_display_registers,
-	.power_down = mrst_power_down,
-	.power_up = mrst_power_up,
-
-	.i2c_bus = 0,
-};
-
-#endif
-
-static void oaktrail_teardown(struct drm_device *dev)
-{
-	mrst_hdmi_teardown(dev);
-}
-
-static const struct psb_ops oaktrail_chip_ops = {
-	.name = "Oaktrail",
-	.accel_2d = 1,
-	.pipes = 2,
-	.crtcs = 2,
-	.sgx_offset = MRST_SGX_OFFSET,
-
-	.chip_setup = mid_chip_setup,
-	.chip_teardown = oaktrail_teardown,
-	.crtc_helper = &mrst_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
-
-	.output_init = mrst_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = mrst_backlight_init,
-#endif
-
-	.init_pm = mrst_init_pm,
-	.save_regs = mrst_save_display_registers,
-	.restore_regs = mrst_restore_display_registers,
-	.power_down = mrst_power_down,
-	.power_up = mrst_power_up,
-
-	.i2c_bus = 1,
-};
-
-/**
- *	mrst_chip_setup		-	perform the initial chip init
- *	@dev: Our drm_device
- *
- *	Figure out which incarnation we are and then scan the firmware for
- *	tables and information.
- */
-static int mrst_chip_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	switch (mrst_device_ident(dev)) {
-	case DEVICE_OAKTRAIL:
-		/* Dual CRTC, PC compatible, HDMI, I2C #2 */
-		dev_priv->ops = &oaktrail_chip_ops;
-		mrst_hdmi_setup(dev);
-		return mid_chip_setup(dev);
-#if defined(CONFIG_X86_MRST)
-	case DEVICE_MOORESTOWN_MM:
-		/* Single CRTC, No HDMI, I2C #0, BL control */
-		mrst_lvds_cache_bl(dev);
-		dev_priv->ops = &mrst_mm_chip_ops;
-		return mid_chip_setup(dev);
-	case DEVICE_MOORESTOWN:
-		/* Dual CRTC, No HDMI(?), I2C #1 */
-		return mid_chip_setup(dev);
-#endif
-	default:
-		dev_err(dev->dev, "unsupported device type.\n");
-		return -ENODEV;
-	}
-}
-
-const struct psb_ops mrst_chip_ops = {
-	.name = "Moorestown",
-	.accel_2d = 1,
-	.pipes = 2,
-	.crtcs = 2,
-	.sgx_offset = MRST_SGX_OFFSET,
-
-	.chip_setup = mrst_chip_setup,
-	.crtc_helper = &mrst_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
-
-	.output_init = mrst_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = mrst_backlight_init,
-#endif
-
-	.init_pm = mrst_init_pm,
-	.save_regs = mrst_save_display_registers,
-	.restore_regs = mrst_restore_display_registers,
-	.power_down = mrst_power_down,
-	.power_up = mrst_power_up,
-
-	.i2c_bus = 2,
-};
-
diff --git a/drivers/staging/gma500/mrst_hdmi.c b/drivers/staging/gma500/mrst_hdmi.c
deleted file mode 100644
index e66607eb3d3e..000000000000
--- a/drivers/staging/gma500/mrst_hdmi.c
+++ /dev/null
@@ -1,852 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Li Peng <peng.li@intel.com>
- */
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_drv.h"
-
-#define HDMI_READ(reg)		readl(hdmi_dev->regs + (reg))
-#define HDMI_WRITE(reg, val)	writel(val, hdmi_dev->regs + (reg))
-
-#define HDMI_HCR	0x1000
-#define HCR_ENABLE_HDCP		(1 << 5)
-#define HCR_ENABLE_AUDIO	(1 << 2)
-#define HCR_ENABLE_PIXEL	(1 << 1)
-#define HCR_ENABLE_TMDS		(1 << 0)
-
-#define HDMI_HICR	0x1004
-#define HDMI_HSR	0x1008
-#define HDMI_HISR	0x100C
-#define HDMI_DETECT_HDP		(1 << 0)
-
-#define HDMI_VIDEO_REG	0x3000
-#define HDMI_UNIT_EN		(1 << 7)
-#define HDMI_MODE_OUTPUT	(1 << 0)
-#define HDMI_HBLANK_A	0x3100
-
-#define HDMI_AUDIO_CTRL	0x4000
-#define HDMI_ENABLE_AUDIO	(1 << 0)
-
-#define PCH_HTOTAL_B	0x3100
-#define PCH_HBLANK_B	0x3104
-#define PCH_HSYNC_B	0x3108
-#define PCH_VTOTAL_B	0x310C
-#define PCH_VBLANK_B	0x3110
-#define PCH_VSYNC_B	0x3114
-#define PCH_PIPEBSRC	0x311C
-
-#define PCH_PIPEB_DSL	0x3800
-#define PCH_PIPEB_SLC	0x3804
-#define PCH_PIPEBCONF	0x3808
-#define PCH_PIPEBSTAT	0x3824
-
-#define CDVO_DFT	0x5000
-#define CDVO_SLEWRATE	0x5004
-#define CDVO_STRENGTH	0x5008
-#define CDVO_RCOMP	0x500C
-
-#define DPLL_CTRL       0x6000
-#define DPLL_PDIV_SHIFT		16
-#define DPLL_PDIV_MASK		(0xf << 16)
-#define DPLL_PWRDN		(1 << 4)
-#define DPLL_RESET		(1 << 3)
-#define DPLL_FASTEN		(1 << 2)
-#define DPLL_ENSTAT		(1 << 1)
-#define DPLL_DITHEN		(1 << 0)
-
-#define DPLL_DIV_CTRL   0x6004
-#define DPLL_CLKF_MASK		0xffffffc0
-#define DPLL_CLKR_MASK		(0x3f)
-
-#define DPLL_CLK_ENABLE 0x6008
-#define DPLL_EN_DISP		(1 << 31)
-#define DPLL_SEL_HDMI		(1 << 8)
-#define DPLL_EN_HDMI		(1 << 1)
-#define DPLL_EN_VGA		(1 << 0)
-
-#define DPLL_ADJUST     0x600C
-#define DPLL_STATUS     0x6010
-#define DPLL_UPDATE     0x6014
-#define DPLL_DFT        0x6020
-
-struct intel_range {
-	int	min, max;
-};
-
-struct mrst_hdmi_limit {
-	struct intel_range vco, np, nr, nf;
-};
-
-struct mrst_hdmi_clock {
-	int np;
-	int nr;
-	int nf;
-	int dot;
-};
-
-#define VCO_MIN		320000
-#define VCO_MAX		1650000
-#define	NP_MIN		1
-#define	NP_MAX		15
-#define	NR_MIN		1
-#define	NR_MAX		64
-#define NF_MIN		2
-#define NF_MAX		4095
-
-static const struct mrst_hdmi_limit mrst_hdmi_limit = {
-	.vco = { .min = VCO_MIN,		.max = VCO_MAX },
-	.np  = { .min = NP_MIN,			.max = NP_MAX  },
-	.nr  = { .min = NR_MIN,			.max = NR_MAX  },
-	.nf  = { .min = NF_MIN,			.max = NF_MAX  },
-};
-
-static void wait_for_vblank(struct drm_device *dev)
-{
-	/* FIXME: Can we do this as a sleep ? */
-	/* Wait for 20ms, i.e. one cycle at 50hz. */
-	mdelay(20);
-}
-
-static void scu_busy_loop(void *scu_base)
-{
-	u32 status = 0;
-	u32 loop_count = 0;
-
-	status = readl(scu_base + 0x04);
-	while (status & 1) {
-		udelay(1); /* scu processing time is in few u secods */
-		status = readl(scu_base + 0x04);
-		loop_count++;
-		/* break if scu doesn't reset busy bit after huge retry */
-		if (loop_count > 1000) {
-			DRM_DEBUG_KMS("SCU IPC timed out");
-			return;
-		}
-	}
-}
-
-static void mrst_hdmi_reset(struct drm_device *dev)
-{
-	void *base;
-	/* FIXME: at least make these defines */
-	unsigned int scu_ipc_mmio = 0xff11c000;
-	int scu_len = 1024;
-
-	base = ioremap((resource_size_t)scu_ipc_mmio, scu_len);
-	if (base == NULL) {
-		DRM_ERROR("failed to map SCU mmio\n");
-		return;
-	}
-
-	/* scu ipc: assert hdmi controller reset */
-	writel(0xff11d118, base + 0x0c);
-	writel(0x7fffffdf, base + 0x80);
-	writel(0x42005, base + 0x0);
-	scu_busy_loop(base);
-
-	/* scu ipc: de-assert hdmi controller reset */
-	writel(0xff11d118, base + 0x0c);
-	writel(0x7fffffff, base + 0x80);
-	writel(0x42005, base + 0x0);
-	scu_busy_loop(base);
-
-	iounmap(base);
-}
-
-static void mrst_hdmi_audio_enable(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-
-	HDMI_WRITE(HDMI_HCR, 0x67);
-	HDMI_READ(HDMI_HCR);
-
-	HDMI_WRITE(0x51a8, 0x10);
-	HDMI_READ(0x51a8);
-
-	HDMI_WRITE(HDMI_AUDIO_CTRL, 0x1);
-	HDMI_READ(HDMI_AUDIO_CTRL);
-}
-
-static void mrst_hdmi_audio_disable(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-
-	HDMI_WRITE(0x51a8, 0x0);
-	HDMI_READ(0x51a8);
-
-	HDMI_WRITE(HDMI_AUDIO_CTRL, 0x0);
-	HDMI_READ(HDMI_AUDIO_CTRL);
-
-	HDMI_WRITE(HDMI_HCR, 0x47);
-	HDMI_READ(HDMI_HCR);
-}
-
-void mrst_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	u32 temp;
-
-	switch (mode) {
-	case DRM_MODE_DPMS_OFF:
-		/* Disable VGACNTRL */
-		REG_WRITE(VGACNTRL, 0x80000000);
-
-		/* Disable plane */
-		temp = REG_READ(DSPBCNTR);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(DSPBCNTR, temp & ~DISPLAY_PLANE_ENABLE);
-			REG_READ(DSPBCNTR);
-			/* Flush the plane changes */
-			REG_WRITE(DSPBSURF, REG_READ(DSPBSURF));
-			REG_READ(DSPBSURF);
-		}
-
-		/* Disable pipe B */
-		temp = REG_READ(PIPEBCONF);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(PIPEBCONF, temp & ~PIPEACONF_ENABLE);
-			REG_READ(PIPEBCONF);
-		}
-
-		/* Disable LNW Pipes, etc */
-		temp = REG_READ(PCH_PIPEBCONF);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(PCH_PIPEBCONF, temp & ~PIPEACONF_ENABLE);
-			REG_READ(PCH_PIPEBCONF);
-		}
-		/* wait for pipe off */
-		udelay(150);
-		/* Disable dpll */
-		temp = REG_READ(DPLL_CTRL);
-		if ((temp & DPLL_PWRDN) == 0) {
-			REG_WRITE(DPLL_CTRL, temp | (DPLL_PWRDN | DPLL_RESET));
-			REG_WRITE(DPLL_STATUS, 0x1);
-		}
-		/* wait for dpll off */
-		udelay(150);
-		break;
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable dpll */
-		temp = REG_READ(DPLL_CTRL);
-		if ((temp & DPLL_PWRDN) != 0) {
-			REG_WRITE(DPLL_CTRL, temp & ~(DPLL_PWRDN | DPLL_RESET));
-			temp = REG_READ(DPLL_CLK_ENABLE);
-			REG_WRITE(DPLL_CLK_ENABLE, temp | DPLL_EN_DISP | DPLL_SEL_HDMI | DPLL_EN_HDMI);
-			REG_READ(DPLL_CLK_ENABLE);
-		}
-		/* wait for dpll warm up */
-		udelay(150);
-
-		/* Enable pipe B */
-		temp = REG_READ(PIPEBCONF);
-		if ((temp & PIPEACONF_ENABLE) == 0) {
-			REG_WRITE(PIPEBCONF, temp | PIPEACONF_ENABLE);
-			REG_READ(PIPEBCONF);
-		}
-
-		/* Enable LNW Pipe B */
-		temp = REG_READ(PCH_PIPEBCONF);
-		if ((temp & PIPEACONF_ENABLE) == 0) {
-			REG_WRITE(PCH_PIPEBCONF, temp | PIPEACONF_ENABLE);
-			REG_READ(PCH_PIPEBCONF);
-		}
-		wait_for_vblank(dev);
-
-		/* Enable plane */
-		temp = REG_READ(DSPBCNTR);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(DSPBCNTR, temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(DSPBSURF, REG_READ(DSPBSURF));
-			REG_READ(DSPBSURF);
-		}
-		psb_intel_crtc_load_lut(crtc);
-	}
-	/* DSPARB */
-	REG_WRITE(DSPARB, 0x00003fbf);
-	/* FW1 */
-	REG_WRITE(0x70034, 0x3f880a0a);
-	/* FW2 */
-	REG_WRITE(0x70038, 0x0b060808);
-	/* FW4 */
-	REG_WRITE(0x70050, 0x08030404);
-	/* FW5 */
-	REG_WRITE(0x70054, 0x04040404);
-	/* LNC Chicken Bits */
-	REG_WRITE(0x70400, 0x4000);
-}
-
-
-static void mrst_hdmi_dpms(struct drm_encoder *encoder, int mode)
-{
-	static int dpms_mode = -1;
-
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	u32 temp;
-
-	if (dpms_mode == mode)
-		return;
-
-	if (mode != DRM_MODE_DPMS_ON)
-		temp = 0x0;
-	else
-		temp = 0x99;
-
-	dpms_mode = mode;
-	HDMI_WRITE(HDMI_VIDEO_REG, temp);
-}
-
-static unsigned int htotal_calculate(struct drm_display_mode *mode)
-{
-	u32 htotal, new_crtc_htotal;
-
-	htotal = (mode->crtc_hdisplay - 1) | ((mode->crtc_htotal - 1) << 16);
-
-	/*
-	 * 1024 x 768  new_crtc_htotal = 0x1024;
-	 * 1280 x 1024 new_crtc_htotal = 0x0c34;
-	 */
-	new_crtc_htotal = (mode->crtc_htotal - 1) * 200 * 1000 / mode->clock;
-
-	return (mode->crtc_hdisplay - 1) | (new_crtc_htotal << 16);
-}
-
-static void mrst_hdmi_find_dpll(struct drm_crtc *crtc, int target,
-				int refclk, struct mrst_hdmi_clock *best_clock)
-{
-	int np_min, np_max, nr_min, nr_max;
-	int np, nr, nf;
-
-	np_min = DIV_ROUND_UP(mrst_hdmi_limit.vco.min, target * 10);
-	np_max = mrst_hdmi_limit.vco.max / (target * 10);
-	if (np_min < mrst_hdmi_limit.np.min)
-		np_min = mrst_hdmi_limit.np.min;
-	if (np_max > mrst_hdmi_limit.np.max)
-		np_max = mrst_hdmi_limit.np.max;
-
-	nr_min = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_max));
-	nr_max = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_min));
-	if (nr_min < mrst_hdmi_limit.nr.min)
-		nr_min = mrst_hdmi_limit.nr.min;
-	if (nr_max > mrst_hdmi_limit.nr.max)
-		nr_max = mrst_hdmi_limit.nr.max;
-
-	np = DIV_ROUND_UP((refclk * 1000), (target * 10 * nr_max));
-	nr = DIV_ROUND_UP((refclk * 1000), (target * 10 * np));
-	nf = DIV_ROUND_CLOSEST((target * 10 * np * nr), refclk);
-	DRM_DEBUG_KMS("np, nr, nf %d %d %d\n", np, nr, nf);
-
-	/*
-	 * 1024 x 768  np = 1; nr = 0x26; nf = 0x0fd8000;
-	 * 1280 x 1024 np = 1; nr = 0x17; nf = 0x1034000;
-	 */
-	best_clock->np = np;
-	best_clock->nr = nr - 1;
-	best_clock->nf = (nf << 14);
-}
-
-int mrst_crtc_hdmi_mode_set(struct drm_crtc *crtc,
-			    struct drm_display_mode *mode,
-			    struct drm_display_mode *adjusted_mode,
-			    int x, int y,
-			    struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	int pipe = 1;
-	int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-	int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-	int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-	int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-	int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-	int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-	int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
-	int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
-	int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	int refclk;
-	struct mrst_hdmi_clock clock;
-	u32 dspcntr, pipeconf, dpll, temp;
-	int dspcntr_reg = DSPBCNTR;
-
-	/* Disable the VGA plane that we never use */
-	REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-	/* XXX: Disable the panel fitter if it was on our pipe */
-
-	/* Disable dpll if necessary */
-	dpll = REG_READ(DPLL_CTRL);
-	if ((dpll & DPLL_PWRDN) == 0) {
-		REG_WRITE(DPLL_CTRL, dpll | (DPLL_PWRDN | DPLL_RESET));
-		REG_WRITE(DPLL_DIV_CTRL, 0x00000000);
-		REG_WRITE(DPLL_STATUS, 0x1);
-	}
-	udelay(150);
-
-	/* reset controller: FIXME - can we sort out the ioremap mess ? */
-	iounmap(hdmi_dev->regs);
-	mrst_hdmi_reset(dev);
-
-	/* program and enable dpll */
-	refclk = 25000;
-	mrst_hdmi_find_dpll(crtc, adjusted_mode->clock, refclk, &clock);
-
-	/* Setting DPLL */
-	dpll = REG_READ(DPLL_CTRL);
-	dpll &= ~DPLL_PDIV_MASK;
-	dpll &= ~(DPLL_PWRDN | DPLL_RESET);
-	REG_WRITE(DPLL_CTRL, 0x00000008);
-	REG_WRITE(DPLL_DIV_CTRL, ((clock.nf << 6) | clock.nr));
-	REG_WRITE(DPLL_ADJUST, ((clock.nf >> 14) - 1));
-	REG_WRITE(DPLL_CTRL, (dpll | (clock.np << DPLL_PDIV_SHIFT) | DPLL_ENSTAT | DPLL_DITHEN));
-	REG_WRITE(DPLL_UPDATE, 0x80000000);
-	REG_WRITE(DPLL_CLK_ENABLE, 0x80050102);
-	udelay(150);
-
-	hdmi_dev->regs = ioremap(hdmi_dev->mmio, hdmi_dev->mmio_len);
-	if (hdmi_dev->regs == NULL) {
-		DRM_ERROR("failed to do hdmi mmio mapping\n");
-		return -ENOMEM;
-	}
-
-	/* configure HDMI */
-	HDMI_WRITE(0x1004, 0x1fd);
-	HDMI_WRITE(0x2000, 0x1);
-	HDMI_WRITE(0x2008, 0x0);
-	HDMI_WRITE(0x3130, 0x8);
-	HDMI_WRITE(0x101c, 0x1800810);
-
-	temp = htotal_calculate(adjusted_mode);
-	REG_WRITE(htot_reg, temp);
-	REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16));
-	REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16));
-	REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16));
-	REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16));
-	REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16));
-	REG_WRITE(pipesrc_reg,
-		((mode->crtc_hdisplay - 1) << 16) |  (mode->crtc_vdisplay - 1));
-
-	REG_WRITE(PCH_HTOTAL_B, (adjusted_mode->crtc_hdisplay - 1) | ((adjusted_mode->crtc_htotal - 1) << 16));
-	REG_WRITE(PCH_HBLANK_B, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16));
-	REG_WRITE(PCH_HSYNC_B, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16));
-	REG_WRITE(PCH_VTOTAL_B, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16));
-	REG_WRITE(PCH_VBLANK_B, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16));
-	REG_WRITE(PCH_VSYNC_B, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16));
-	REG_WRITE(PCH_PIPEBSRC,
-		((mode->crtc_hdisplay - 1) << 16) |  (mode->crtc_vdisplay - 1));
-
-	temp = adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hblank_start;
-	HDMI_WRITE(HDMI_HBLANK_A, ((adjusted_mode->crtc_hdisplay - 1) << 16) |  temp);
-
-	REG_WRITE(dspsize_reg,
-			((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-	REG_WRITE(dsppos_reg, 0);
-
-	/* Flush the plane changes */
-	{
-		struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-	}
-
-	/* Set up the display plane register */
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr |= DISPPLANE_GAMMA_ENABLE;
-	dspcntr |= DISPPLANE_SEL_PIPE_B;
-	dspcntr |= DISPLAY_PLANE_ENABLE;
-
-	/* setup pipeconf */
-	pipeconf = REG_READ(pipeconf_reg);
-	pipeconf |= PIPEACONF_ENABLE;
-
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-
-	REG_WRITE(PCH_PIPEBCONF, pipeconf);
-	REG_READ(PCH_PIPEBCONF);
-	wait_for_vblank(dev);
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-	wait_for_vblank(dev);
-
-	return 0;
-}
-
-static int mrst_hdmi_mode_valid(struct drm_connector *connector,
-				struct drm_display_mode *mode)
-{
-	if (mode->clock > 165000)
-		return MODE_CLOCK_HIGH;
-	if (mode->clock < 20000)
-		return MODE_CLOCK_LOW;
-
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	return MODE_OK;
-}
-
-static bool mrst_hdmi_mode_fixup(struct drm_encoder *encoder,
-				 struct drm_display_mode *mode,
-				 struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-static enum drm_connector_status
-mrst_hdmi_detect(struct drm_connector *connector, bool force)
-{
-	enum drm_connector_status status;
-	struct drm_device *dev = connector->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	u32 temp;
-
-	temp = HDMI_READ(HDMI_HSR);
-	DRM_DEBUG_KMS("HDMI_HSR %x\n", temp);
-
-	if ((temp & HDMI_DETECT_HDP) != 0)
-		status = connector_status_connected;
-	else
-		status = connector_status_disconnected;
-
-	return status;
-}
-
-static const unsigned char raw_edid[] = {
-	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x10, 0xac, 0x2f, 0xa0,
-	0x53, 0x55, 0x33, 0x30, 0x16, 0x13, 0x01, 0x03, 0x0e, 0x3a, 0x24, 0x78,
-	0xea, 0xe9, 0xf5, 0xac, 0x51, 0x30, 0xb4, 0x25, 0x11, 0x50, 0x54, 0xa5,
-	0x4b, 0x00, 0x81, 0x80, 0xa9, 0x40, 0x71, 0x4f, 0xb3, 0x00, 0x01, 0x01,
-	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0,
-	0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x46, 0x6c, 0x21, 0x00, 0x00, 0x1a,
-	0x00, 0x00, 0x00, 0xff, 0x00, 0x47, 0x4e, 0x37, 0x32, 0x31, 0x39, 0x35,
-	0x52, 0x30, 0x33, 0x55, 0x53, 0x0a, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x44,
-	0x45, 0x4c, 0x4c, 0x20, 0x32, 0x37, 0x30, 0x39, 0x57, 0x0a, 0x20, 0x20,
-	0x00, 0x00, 0x00, 0xfd, 0x00, 0x38, 0x4c, 0x1e, 0x53, 0x11, 0x00, 0x0a,
-	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x8d
-};
-
-static int mrst_hdmi_get_modes(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct i2c_adapter *i2c_adap;
-	struct edid *edid;
-	struct drm_display_mode *mode, *t;
-	int i = 0, ret = 0;
-
-	i2c_adap = i2c_get_adapter(3);
-	if (i2c_adap == NULL) {
-		DRM_ERROR("No ddc adapter available!\n");
-		edid = (struct edid *)raw_edid;
-	} else {
-		edid = (struct edid *)raw_edid;
-		/* FIXME ? edid = drm_get_edid(connector, i2c_adap); */
-	}
-
-	if (edid) {
-		drm_mode_connector_update_edid_property(connector, edid);
-		ret = drm_add_edid_modes(connector, edid);
-		connector->display_info.raw_edid = NULL;
-	}
-
-	/*
-	 * prune modes that require frame buffer bigger than stolen mem
-	 */
-	list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
-		if ((mode->hdisplay * mode->vdisplay * 4) >= dev_priv->vram_stolen_size) {
-			i++;
-			drm_mode_remove(connector, mode);
-		}
-	}
-	return ret - i;
-}
-
-static void mrst_hdmi_mode_set(struct drm_encoder *encoder,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-
-	mrst_hdmi_audio_enable(dev);
-	return;
-}
-
-static void mrst_hdmi_destroy(struct drm_connector *connector)
-{
-	return;
-}
-
-static const struct drm_encoder_helper_funcs mrst_hdmi_helper_funcs = {
-	.dpms = mrst_hdmi_dpms,
-	.mode_fixup = mrst_hdmi_mode_fixup,
-	.prepare = psb_intel_encoder_prepare,
-	.mode_set = mrst_hdmi_mode_set,
-	.commit = psb_intel_encoder_commit,
-};
-
-static const struct drm_connector_helper_funcs
-					mrst_hdmi_connector_helper_funcs = {
-	.get_modes = mrst_hdmi_get_modes,
-	.mode_valid = mrst_hdmi_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-static const struct drm_connector_funcs mrst_hdmi_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.detect = mrst_hdmi_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = mrst_hdmi_destroy,
-};
-
-static void mrst_hdmi_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs mrst_hdmi_enc_funcs = {
-	.destroy = mrst_hdmi_enc_destroy,
-};
-
-void mrst_hdmi_init(struct drm_device *dev,
-					struct psb_intel_mode_device *mode_dev)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &mrst_hdmi_connector_funcs,
-			   DRM_MODE_CONNECTOR_DVID);
-
-	drm_encoder_init(dev, &psb_intel_output->enc,
-			 &mrst_hdmi_enc_funcs,
-			 DRM_MODE_ENCODER_TMDS);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-
-	psb_intel_output->type = INTEL_OUTPUT_HDMI;
-	drm_encoder_helper_add(encoder, &mrst_hdmi_helper_funcs);
-	drm_connector_helper_add(connector, &mrst_hdmi_connector_helper_funcs);
-
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-	drm_sysfs_connector_add(connector);
-
-	return;
-}
-
-static DEFINE_PCI_DEVICE_TABLE(hdmi_ids) = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080d) },
-	{}
-};
-
-void mrst_hdmi_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct pci_dev *pdev;
-	struct mrst_hdmi_dev *hdmi_dev;
-	int ret;
-
-	pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x080d, NULL);
-	if (!pdev)
-		return;
-
-	hdmi_dev = kzalloc(sizeof(struct mrst_hdmi_dev), GFP_KERNEL);
-	if (!hdmi_dev) {
-		dev_err(dev->dev, "failed to allocate memory\n");
-		goto out;
-	}
-
-
-	ret = pci_enable_device(pdev);
-	if (ret) {
-		dev_err(dev->dev, "failed to enable hdmi controller\n");
-		goto free;
-	}
-
-	hdmi_dev->mmio = pci_resource_start(pdev, 0);
-	hdmi_dev->mmio_len = pci_resource_len(pdev, 0);
-	hdmi_dev->regs = ioremap(hdmi_dev->mmio, hdmi_dev->mmio_len);
-	if (!hdmi_dev->regs) {
-		dev_err(dev->dev, "failed to map hdmi mmio\n");
-		goto free;
-	}
-
-	hdmi_dev->dev = pdev;
-	pci_set_drvdata(pdev, hdmi_dev);
-
-	/* Initialize i2c controller */
-	ret = mrst_hdmi_i2c_init(hdmi_dev->dev);
-	if (ret)
-		dev_err(dev->dev, "HDMI I2C initialization failed\n");
-
-	dev_priv->hdmi_priv = hdmi_dev;
-	mrst_hdmi_audio_disable(dev);
-	return;
-
-free:
-	kfree(hdmi_dev);
-out:
-	return;
-}
-
-void mrst_hdmi_teardown(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	struct pci_dev *pdev;
-
-	if (hdmi_dev) {
-		pdev = hdmi_dev->dev;
-		pci_set_drvdata(pdev, NULL);
-		mrst_hdmi_i2c_exit(pdev);
-		iounmap(hdmi_dev->regs);
-		kfree(hdmi_dev);
-		pci_dev_put(pdev);
-	}
-}
-
-/* save HDMI register state */
-void mrst_hdmi_save(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	int i;
-
-	/* dpll */
-	hdmi_dev->saveDPLL_CTRL = PSB_RVDC32(DPLL_CTRL);
-	hdmi_dev->saveDPLL_DIV_CTRL = PSB_RVDC32(DPLL_DIV_CTRL);
-	hdmi_dev->saveDPLL_ADJUST = PSB_RVDC32(DPLL_ADJUST);
-	hdmi_dev->saveDPLL_UPDATE = PSB_RVDC32(DPLL_UPDATE);
-	hdmi_dev->saveDPLL_CLK_ENABLE = PSB_RVDC32(DPLL_CLK_ENABLE);
-
-	/* pipe B */
-	dev_priv->savePIPEBCONF = PSB_RVDC32(PIPEBCONF);
-	dev_priv->savePIPEBSRC  = PSB_RVDC32(PIPEBSRC);
-	dev_priv->saveHTOTAL_B  = PSB_RVDC32(HTOTAL_B);
-	dev_priv->saveHBLANK_B  = PSB_RVDC32(HBLANK_B);
-	dev_priv->saveHSYNC_B   = PSB_RVDC32(HSYNC_B);
-	dev_priv->saveVTOTAL_B  = PSB_RVDC32(VTOTAL_B);
-	dev_priv->saveVBLANK_B  = PSB_RVDC32(VBLANK_B);
-	dev_priv->saveVSYNC_B   = PSB_RVDC32(VSYNC_B);
-
-	hdmi_dev->savePCH_PIPEBCONF = PSB_RVDC32(PCH_PIPEBCONF);
-	hdmi_dev->savePCH_PIPEBSRC = PSB_RVDC32(PCH_PIPEBSRC);
-	hdmi_dev->savePCH_HTOTAL_B = PSB_RVDC32(PCH_HTOTAL_B);
-	hdmi_dev->savePCH_HBLANK_B = PSB_RVDC32(PCH_HBLANK_B);
-	hdmi_dev->savePCH_HSYNC_B  = PSB_RVDC32(PCH_HSYNC_B);
-	hdmi_dev->savePCH_VTOTAL_B = PSB_RVDC32(PCH_VTOTAL_B);
-	hdmi_dev->savePCH_VBLANK_B = PSB_RVDC32(PCH_VBLANK_B);
-	hdmi_dev->savePCH_VSYNC_B  = PSB_RVDC32(PCH_VSYNC_B);
-
-	/* plane */
-	dev_priv->saveDSPBCNTR = PSB_RVDC32(DSPBCNTR);
-	dev_priv->saveDSPBSTRIDE = PSB_RVDC32(DSPBSTRIDE);
-	dev_priv->saveDSPBADDR = PSB_RVDC32(DSPBBASE);
-	dev_priv->saveDSPBSURF = PSB_RVDC32(DSPBSURF);
-	dev_priv->saveDSPBLINOFF = PSB_RVDC32(DSPBLINOFF);
-	dev_priv->saveDSPBTILEOFF = PSB_RVDC32(DSPBTILEOFF);
-
-	/* cursor B */
-	dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR);
-	dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE);
-	dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS);
-
-	/* save palette */
-	for (i = 0; i < 256; i++)
-		dev_priv->save_palette_b[i] = PSB_RVDC32(PALETTE_B + (i << 2));
-}
-
-/* restore HDMI register state */
-void mrst_hdmi_restore(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	int i;
-
-	/* dpll */
-	PSB_WVDC32(hdmi_dev->saveDPLL_CTRL, DPLL_CTRL);
-	PSB_WVDC32(hdmi_dev->saveDPLL_DIV_CTRL, DPLL_DIV_CTRL);
-	PSB_WVDC32(hdmi_dev->saveDPLL_ADJUST, DPLL_ADJUST);
-	PSB_WVDC32(hdmi_dev->saveDPLL_UPDATE, DPLL_UPDATE);
-	PSB_WVDC32(hdmi_dev->saveDPLL_CLK_ENABLE, DPLL_CLK_ENABLE);
-	DRM_UDELAY(150);
-
-	/* pipe */
-	PSB_WVDC32(dev_priv->savePIPEBSRC, PIPEBSRC);
-	PSB_WVDC32(dev_priv->saveHTOTAL_B, HTOTAL_B);
-	PSB_WVDC32(dev_priv->saveHBLANK_B, HBLANK_B);
-	PSB_WVDC32(dev_priv->saveHSYNC_B,  HSYNC_B);
-	PSB_WVDC32(dev_priv->saveVTOTAL_B, VTOTAL_B);
-	PSB_WVDC32(dev_priv->saveVBLANK_B, VBLANK_B);
-	PSB_WVDC32(dev_priv->saveVSYNC_B,  VSYNC_B);
-
-	PSB_WVDC32(hdmi_dev->savePCH_PIPEBSRC, PCH_PIPEBSRC);
-	PSB_WVDC32(hdmi_dev->savePCH_HTOTAL_B, PCH_HTOTAL_B);
-	PSB_WVDC32(hdmi_dev->savePCH_HBLANK_B, PCH_HBLANK_B);
-	PSB_WVDC32(hdmi_dev->savePCH_HSYNC_B,  PCH_HSYNC_B);
-	PSB_WVDC32(hdmi_dev->savePCH_VTOTAL_B, PCH_VTOTAL_B);
-	PSB_WVDC32(hdmi_dev->savePCH_VBLANK_B, PCH_VBLANK_B);
-	PSB_WVDC32(hdmi_dev->savePCH_VSYNC_B,  PCH_VSYNC_B);
-
-	PSB_WVDC32(dev_priv->savePIPEBCONF, PIPEBCONF);
-	PSB_WVDC32(hdmi_dev->savePCH_PIPEBCONF, PCH_PIPEBCONF);
-
-	/* plane */
-	PSB_WVDC32(dev_priv->saveDSPBLINOFF, DSPBLINOFF);
-	PSB_WVDC32(dev_priv->saveDSPBSTRIDE, DSPBSTRIDE);
-	PSB_WVDC32(dev_priv->saveDSPBTILEOFF, DSPBTILEOFF);
-	PSB_WVDC32(dev_priv->saveDSPBCNTR, DSPBCNTR);
-	PSB_WVDC32(dev_priv->saveDSPBSURF, DSPBSURF);
-
-	/* cursor B */
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR);
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS);
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE);
-
-	/* restore palette */
-	for (i = 0; i < 256; i++)
-		PSB_WVDC32(dev_priv->save_palette_b[i], PALETTE_B + (i << 2));
-}
diff --git a/drivers/staging/gma500/mrst_hdmi_i2c.c b/drivers/staging/gma500/mrst_hdmi_i2c.c
deleted file mode 100644
index 36e7edc4d14c..000000000000
--- a/drivers/staging/gma500/mrst_hdmi_i2c.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Li Peng <peng.li@intel.com>
- */
-
-#include <linux/mutex.h>
-#include <linux/pci.h>
-#include <linux/i2c.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/export.h>
-#include "psb_drv.h"
-
-#define HDMI_READ(reg)		readl(hdmi_dev->regs + (reg))
-#define HDMI_WRITE(reg, val)	writel(val, hdmi_dev->regs + (reg))
-
-#define HDMI_HCR	0x1000
-#define HCR_DETECT_HDP		(1 << 6)
-#define HCR_ENABLE_HDCP		(1 << 5)
-#define HCR_ENABLE_AUDIO	(1 << 2)
-#define HCR_ENABLE_PIXEL	(1 << 1)
-#define HCR_ENABLE_TMDS		(1 << 0)
-#define HDMI_HICR	0x1004
-#define HDMI_INTR_I2C_ERROR	(1 << 4)
-#define HDMI_INTR_I2C_FULL	(1 << 3)
-#define HDMI_INTR_I2C_DONE	(1 << 2)
-#define HDMI_INTR_HPD		(1 << 0)
-#define HDMI_HSR	0x1008
-#define HDMI_HISR	0x100C
-#define HDMI_HI2CRDB0	0x1200
-#define HDMI_HI2CHCR	0x1240
-#define HI2C_HDCP_WRITE		(0 << 2)
-#define HI2C_HDCP_RI_READ	(1 << 2)
-#define HI2C_HDCP_READ		(2 << 2)
-#define HI2C_EDID_READ		(3 << 2)
-#define HI2C_READ_CONTINUE	(1 << 1)
-#define HI2C_ENABLE_TRANSACTION	(1 << 0)
-
-#define HDMI_ICRH	0x1100
-#define HDMI_HI2CTDR0	0x1244
-#define HDMI_HI2CTDR1	0x1248
-
-#define I2C_STAT_INIT		0
-#define I2C_READ_DONE		1
-#define I2C_TRANSACTION_DONE	2
-
-struct hdmi_i2c_dev {
-	struct i2c_adapter *adap;
-	struct mutex i2c_lock;
-	struct completion complete;
-	int status;
-	struct i2c_msg *msg;
-	int buf_offset;
-};
-
-static void hdmi_i2c_irq_enable(struct mrst_hdmi_dev *hdmi_dev)
-{
-	u32 temp;
-
-	temp = HDMI_READ(HDMI_HICR);
-	temp |= (HDMI_INTR_I2C_ERROR | HDMI_INTR_I2C_FULL | HDMI_INTR_I2C_DONE);
-	HDMI_WRITE(HDMI_HICR, temp);
-	HDMI_READ(HDMI_HICR);
-}
-
-static void hdmi_i2c_irq_disable(struct mrst_hdmi_dev *hdmi_dev)
-{
-	HDMI_WRITE(HDMI_HICR, 0x0);
-	HDMI_READ(HDMI_HICR);
-}
-
-static int xfer_read(struct i2c_adapter *adap, struct i2c_msg *pmsg)
-{
-	struct mrst_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap);
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	u32 temp;
-
-	i2c_dev->status = I2C_STAT_INIT;
-	i2c_dev->msg = pmsg;
-	i2c_dev->buf_offset = 0;
-	INIT_COMPLETION(i2c_dev->complete);
-
-	/* Enable I2C transaction */
-	temp = ((pmsg->len) << 20) | HI2C_EDID_READ | HI2C_ENABLE_TRANSACTION;
-	HDMI_WRITE(HDMI_HI2CHCR, temp);
-	HDMI_READ(HDMI_HI2CHCR);
-
-	while (i2c_dev->status != I2C_TRANSACTION_DONE)
-		wait_for_completion_interruptible_timeout(&i2c_dev->complete,
-								10 * HZ);
-
-	return 0;
-}
-
-static int xfer_write(struct i2c_adapter *adap, struct i2c_msg *pmsg)
-{
-	/*
-	 * XXX: i2c write seems isn't useful for EDID probe, don't do anything
-	 */
-	return 0;
-}
-
-static int mrst_hdmi_i2c_access(struct i2c_adapter *adap,
-				struct i2c_msg *pmsg,
-				int num)
-{
-	struct mrst_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap);
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	int i, err = 0;
-
-	mutex_lock(&i2c_dev->i2c_lock);
-
-	/* Enable i2c unit */
-	HDMI_WRITE(HDMI_ICRH, 0x00008760);
-
-	/* Enable irq */
-	hdmi_i2c_irq_enable(hdmi_dev);
-	for (i = 0; i < num; i++) {
-		if (pmsg->len && pmsg->buf) {
-			if (pmsg->flags & I2C_M_RD)
-				err = xfer_read(adap, pmsg);
-			else
-				err = xfer_write(adap, pmsg);
-		}
-		pmsg++;         /* next message */
-	}
-
-	/* Disable irq */
-	hdmi_i2c_irq_disable(hdmi_dev);
-
-	mutex_unlock(&i2c_dev->i2c_lock);
-
-	return i;
-}
-
-static u32 mrst_hdmi_i2c_func(struct i2c_adapter *adapter)
-{
-	return I2C_FUNC_I2C | I2C_FUNC_10BIT_ADDR;
-}
-
-static const struct i2c_algorithm mrst_hdmi_i2c_algorithm = {
-	.master_xfer	= mrst_hdmi_i2c_access,
-	.functionality  = mrst_hdmi_i2c_func,
-};
-
-static struct i2c_adapter mrst_hdmi_i2c_adapter = {
-	.name		= "mrst_hdmi_i2c",
-	.nr		= 3,
-	.owner		= THIS_MODULE,
-	.class		= I2C_CLASS_DDC,
-	.algo		= &mrst_hdmi_i2c_algorithm,
-};
-
-static void hdmi_i2c_read(struct mrst_hdmi_dev *hdmi_dev)
-{
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	struct i2c_msg *msg = i2c_dev->msg;
-	u8 *buf = msg->buf;
-	u32 temp;
-	int i, offset;
-
-	offset = i2c_dev->buf_offset;
-	for (i = 0; i < 0x10; i++) {
-		temp = HDMI_READ(HDMI_HI2CRDB0 + (i * 4));
-		memcpy(buf + (offset + i * 4), &temp, 4);
-	}
-	i2c_dev->buf_offset += (0x10 * 4);
-
-	/* clearing read buffer full intr */
-	temp = HDMI_READ(HDMI_HISR);
-	HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_FULL);
-	HDMI_READ(HDMI_HISR);
-
-	/* continue read transaction */
-	temp = HDMI_READ(HDMI_HI2CHCR);
-	HDMI_WRITE(HDMI_HI2CHCR, temp | HI2C_READ_CONTINUE);
-	HDMI_READ(HDMI_HI2CHCR);
-
-	i2c_dev->status = I2C_READ_DONE;
-	return;
-}
-
-static void hdmi_i2c_transaction_done(struct mrst_hdmi_dev *hdmi_dev)
-{
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	u32 temp;
-
-	/* clear transaction done intr */
-	temp = HDMI_READ(HDMI_HISR);
-	HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_DONE);
-	HDMI_READ(HDMI_HISR);
-
-
-	temp = HDMI_READ(HDMI_HI2CHCR);
-	HDMI_WRITE(HDMI_HI2CHCR, temp & ~HI2C_ENABLE_TRANSACTION);
-	HDMI_READ(HDMI_HI2CHCR);
-
-	i2c_dev->status = I2C_TRANSACTION_DONE;
-	return;
-}
-
-static irqreturn_t mrst_hdmi_i2c_handler(int this_irq, void *dev)
-{
-	struct mrst_hdmi_dev *hdmi_dev = dev;
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	u32 stat;
-
-	stat = HDMI_READ(HDMI_HISR);
-
-	if (stat & HDMI_INTR_HPD) {
-		HDMI_WRITE(HDMI_HISR, stat | HDMI_INTR_HPD);
-		HDMI_READ(HDMI_HISR);
-	}
-
-	if (stat & HDMI_INTR_I2C_FULL)
-		hdmi_i2c_read(hdmi_dev);
-
-	if (stat & HDMI_INTR_I2C_DONE)
-		hdmi_i2c_transaction_done(hdmi_dev);
-
-	complete(&i2c_dev->complete);
-
-	return IRQ_HANDLED;
-}
-
-/*
- * choose alternate function 2 of GPIO pin 52, 53,
- * which is used by HDMI I2C logic
- */
-static void mrst_hdmi_i2c_gpio_fix(void)
-{
-	void *base;
-	unsigned int gpio_base = 0xff12c000;
-	int gpio_len = 0x1000;
-	u32 temp;
-
-	base = ioremap((resource_size_t)gpio_base, gpio_len);
-	if (base == NULL) {
-		DRM_ERROR("gpio ioremap fail\n");
-		return;
-	}
-
-	temp = readl(base + 0x44);
-	DRM_DEBUG_DRIVER("old gpio val %x\n", temp);
-	writel((temp | 0x00000a00), (base +  0x44));
-	temp = readl(base + 0x44);
-	DRM_DEBUG_DRIVER("new gpio val %x\n", temp);
-
-	iounmap(base);
-}
-
-int mrst_hdmi_i2c_init(struct pci_dev *dev)
-{
-	struct mrst_hdmi_dev *hdmi_dev;
-	struct hdmi_i2c_dev *i2c_dev;
-	int ret;
-
-	hdmi_dev = pci_get_drvdata(dev);
-
-	i2c_dev = kzalloc(sizeof(struct hdmi_i2c_dev), GFP_KERNEL);
-	if (i2c_dev == NULL) {
-		DRM_ERROR("Can't allocate interface\n");
-		ret = -ENOMEM;
-		goto exit;
-	}
-
-	i2c_dev->adap = &mrst_hdmi_i2c_adapter;
-	i2c_dev->status = I2C_STAT_INIT;
-	init_completion(&i2c_dev->complete);
-	mutex_init(&i2c_dev->i2c_lock);
-	i2c_set_adapdata(&mrst_hdmi_i2c_adapter, hdmi_dev);
-	hdmi_dev->i2c_dev = i2c_dev;
-
-	/* Enable HDMI I2C function on gpio */
-	mrst_hdmi_i2c_gpio_fix();
-
-	/* request irq */
-	ret = request_irq(dev->irq, mrst_hdmi_i2c_handler, IRQF_SHARED,
-			  mrst_hdmi_i2c_adapter.name, hdmi_dev);
-	if (ret) {
-		DRM_ERROR("Failed to request IRQ for I2C controller\n");
-		goto err;
-	}
-
-	/* Adapter registration */
-	ret = i2c_add_numbered_adapter(&mrst_hdmi_i2c_adapter);
-	return ret;
-
-err:
-	kfree(i2c_dev);
-exit:
-	return ret;
-}
-
-void mrst_hdmi_i2c_exit(struct pci_dev *dev)
-{
-	struct mrst_hdmi_dev *hdmi_dev;
-	struct hdmi_i2c_dev *i2c_dev;
-
-	hdmi_dev = pci_get_drvdata(dev);
-	if (i2c_del_adapter(&mrst_hdmi_i2c_adapter))
-		DRM_DEBUG_DRIVER("Failed to delete hdmi-i2c adapter\n");
-
-	i2c_dev = hdmi_dev->i2c_dev;
-	kfree(i2c_dev);
-	free_irq(dev->irq, hdmi_dev);
-}
diff --git a/drivers/staging/gma500/mrst_lvds.c b/drivers/staging/gma500/mrst_lvds.c
deleted file mode 100644
index e7999a2a3796..000000000000
--- a/drivers/staging/gma500/mrst_lvds.c
+++ /dev/null
@@ -1,407 +0,0 @@
-/*
- * Copyright © 2006-2009 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- *	Dave Airlie <airlied@linux.ie>
- *	Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-#include <asm/mrst.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-/* The max/min PWM frequency in BPCR[31:17] - */
-/* The smallest number is 1 (not 0) that can fit in the
- * 15-bit field of the and then*/
-/* shifts to the left by one bit to get the actual 16-bit
- * value that the 15-bits correspond to.*/
-#define MRST_BLC_MAX_PWM_REG_FREQ	    0xFFFF
-#define BRIGHTNESS_MAX_LEVEL 100
-
-/**
- * Sets the power state for the panel.
- */
-static void mrst_lvds_set_power(struct drm_device *dev,
-				struct psb_intel_output *output, bool on)
-{
-	u32 pp_status;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	if (on) {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-			  POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & (PP_ON | PP_READY)) == PP_READY);
-		dev_priv->is_lvds_on = true;
-		if (dev_priv->ops->lvds_bl_power)
-			dev_priv->ops->lvds_bl_power(dev, true);
-	} else {
-		if (dev_priv->ops->lvds_bl_power)
-			dev_priv->ops->lvds_bl_power(dev, false);
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-			  ~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while (pp_status & PP_ON);
-		dev_priv->is_lvds_on = false;
-		pm_request_idle(&dev->pdev->dev);
-	}
-	gma_power_end(dev);
-}
-
-static void mrst_lvds_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-
-	if (mode == DRM_MODE_DPMS_ON)
-		mrst_lvds_set_power(dev, output, true);
-	else
-		mrst_lvds_set_power(dev, output, false);
-
-	/* XXX: We never power down the LVDS pairs. */
-}
-
-static void mrst_lvds_mode_set(struct drm_encoder *encoder,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode)
-{
-	struct psb_intel_mode_device *mode_dev =
-				enc_to_psb_intel_output(encoder)->mode_dev;
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 lvds_port;
-	uint64_t v = DRM_MODE_SCALE_FULLSCREEN;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	/*
-	 * The LVDS pin pair will already have been turned on in the
-	 * psb_intel_crtc_mode_set since it has a large impact on the DPLL
-	 * settings.
-	 */
-	lvds_port = (REG_READ(LVDS) &
-		    (~LVDS_PIPEB_SELECT)) |
-		    LVDS_PORT_EN |
-		    LVDS_BORDER_EN;
-
-	/* If the firmware says dither on Moorestown, or the BIOS does
-	   on Oaktrail then enable dithering */
-	if (mode_dev->panel_wants_dither || dev_priv->lvds_dither)
-		lvds_port |= MRST_PANEL_8TO6_DITHER_ENABLE;
-
-	REG_WRITE(LVDS, lvds_port);
-
-	drm_connector_property_get_value(
-		&enc_to_psb_intel_output(encoder)->base,
-		dev->mode_config.scaling_mode_property,
-		&v);
-
-	if (v == DRM_MODE_SCALE_NO_SCALE)
-		REG_WRITE(PFIT_CONTROL, 0);
-	else if (v == DRM_MODE_SCALE_ASPECT) {
-		if ((mode->vdisplay != adjusted_mode->crtc_vdisplay) ||
-		    (mode->hdisplay != adjusted_mode->crtc_hdisplay)) {
-			if ((adjusted_mode->crtc_hdisplay * mode->vdisplay) ==
-			    (mode->hdisplay * adjusted_mode->crtc_vdisplay))
-				REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
-			else if ((adjusted_mode->crtc_hdisplay *
-				mode->vdisplay) > (mode->hdisplay *
-				adjusted_mode->crtc_vdisplay))
-				REG_WRITE(PFIT_CONTROL, PFIT_ENABLE |
-					  PFIT_SCALING_MODE_PILLARBOX);
-			else
-				REG_WRITE(PFIT_CONTROL, PFIT_ENABLE |
-					  PFIT_SCALING_MODE_LETTERBOX);
-		} else
-			REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
-	} else /*(v == DRM_MODE_SCALE_FULLSCREEN)*/
-		REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
-
-	gma_power_end(dev);
-}
-
-static void mrst_lvds_prepare(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-	mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
-					  BACKLIGHT_DUTY_CYCLE_MASK);
-	mrst_lvds_set_power(dev, output, false);
-	gma_power_end(dev);
-}
-
-static u32 mrst_lvds_get_max_backlight(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 ret;
-
-	if (gma_power_begin(dev, false)) {
-		ret = ((REG_READ(BLC_PWM_CTL) &
-			  BACKLIGHT_MODULATION_FREQ_MASK) >>
-			  BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-		gma_power_end(dev);
-	} else
-		ret = ((dev_priv->saveBLC_PWM_CTL &
-			  BACKLIGHT_MODULATION_FREQ_MASK) >>
-			  BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-	return ret;
-}
-
-static void mrst_lvds_commit(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (mode_dev->backlight_duty_cycle == 0)
-		mode_dev->backlight_duty_cycle =
-					mrst_lvds_get_max_backlight(dev);
-	mrst_lvds_set_power(dev, output, true);
-}
-
-static const struct drm_encoder_helper_funcs mrst_lvds_helper_funcs = {
-	.dpms = mrst_lvds_dpms,
-	.mode_fixup = psb_intel_lvds_mode_fixup,
-	.prepare = mrst_lvds_prepare,
-	.mode_set = mrst_lvds_mode_set,
-	.commit = mrst_lvds_commit,
-};
-
-static struct drm_display_mode lvds_configuration_modes[] = {
-	/* hard coded fixed mode for TPO LTPS LPJ040K001A */
-	{ DRM_MODE("800x480",  DRM_MODE_TYPE_DRIVER, 33264, 800, 836,
-		   846, 1056, 0, 480, 489, 491, 525, 0, 0) },
-	/* hard coded fixed mode for LVDS 800x480 */
-	{ DRM_MODE("800x480",  DRM_MODE_TYPE_DRIVER, 30994, 800, 801,
-		   802, 1024, 0, 480, 481, 482, 525, 0, 0) },
-	/* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */
-	{ DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1072,
-		   1104, 1184, 0, 600, 603, 604, 608, 0, 0) },
-	/* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */
-	{ DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1104,
-		   1136, 1184, 0, 600, 603, 604, 608, 0, 0) },
-	/* hard coded fixed mode for Sharp wsvga LVDS 1024x600 */
-	{ DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 48885, 1024, 1124,
-		   1204, 1312, 0, 600, 607, 610, 621, 0, 0) },
-	/* hard coded fixed mode for LVDS 1024x768 */
-	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
-		   1184, 1344, 0, 768, 771, 777, 806, 0, 0) },
-	/* hard coded fixed mode for LVDS 1366x768 */
-	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 77500, 1366, 1430,
-		   1558, 1664, 0, 768, 769, 770, 776, 0, 0) },
-};
-
-/* Returns the panel fixed mode from configuration. */
-
-static struct drm_display_mode *
-mrst_lvds_get_configuration_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode = NULL;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-
-	if (dev_priv->vbt_data.size != 0x00) { /*if non-zero, then use vbt*/
-		mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-		if (!mode)
-			return NULL;
-
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay + \
-				((ti->hsync_offset_hi << 8) | \
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start + \
-				((ti->hsync_pulse_width_hi << 8) | \
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-							ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 4) | \
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 4) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay + \
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-#if 0
-		printk(KERN_INFO "hdisplay is %d\n", mode->hdisplay);
-		printk(KERN_INFO "vdisplay is %d\n", mode->vdisplay);
-		printk(KERN_INFO "HSS is %d\n", mode->hsync_start);
-		printk(KERN_INFO "HSE is %d\n", mode->hsync_end);
-		printk(KERN_INFO "htotal is %d\n", mode->htotal);
-		printk(KERN_INFO "VSS is %d\n", mode->vsync_start);
-		printk(KERN_INFO "VSE is %d\n", mode->vsync_end);
-		printk(KERN_INFO "vtotal is %d\n", mode->vtotal);
-		printk(KERN_INFO "clock is %d\n", mode->clock);
-#endif
-	} else
-		mode = drm_mode_duplicate(dev, &lvds_configuration_modes[2]);
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	return mode;
-}
-
-/**
- * mrst_lvds_init - setup LVDS connectors on this device
- * @dev: drm device
- *
- * Create the connector, register the LVDS DDC bus, and try to figure out what
- * modes we can display on the LVDS panel (if present).
- */
-void mrst_lvds_init(struct drm_device *dev,
-		    struct psb_intel_mode_device *mode_dev)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-	struct drm_psb_private *dev_priv =
-				(struct drm_psb_private *) dev->dev_private;
-	struct edid *edid;
-	int ret = 0;
-	struct i2c_adapter *i2c_adap;
-	struct drm_display_mode *scan;	/* *modes, *bios_mode; */
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-	dev_priv->is_lvds_on = true;
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &psb_intel_lvds_connector_funcs,
-			   DRM_MODE_CONNECTOR_LVDS);
-
-	drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_lvds_enc_funcs,
-			 DRM_MODE_ENCODER_LVDS);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	psb_intel_output->type = INTEL_OUTPUT_LVDS;
-
-	drm_encoder_helper_add(encoder, &mrst_lvds_helper_funcs);
-	drm_connector_helper_add(connector,
-				 &psb_intel_lvds_connector_helper_funcs);
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-
-	drm_connector_attach_property(connector,
-					dev->mode_config.scaling_mode_property,
-					DRM_MODE_SCALE_FULLSCREEN);
-	drm_connector_attach_property(connector,
-					dev_priv->backlight_property,
-					BRIGHTNESS_MAX_LEVEL);
-
-	mode_dev->panel_wants_dither = false;
-	if (dev_priv->vbt_data.size != 0x00)
-		mode_dev->panel_wants_dither = (dev_priv->gct_data.
-			Panel_Port_Control & MRST_PANEL_8TO6_DITHER_ENABLE);
-
-	/*
-	 * LVDS discovery:
-	 * 1) check for EDID on DDC
-	 * 2) check for VBT data
-	 * 3) check to see if LVDS is already on
-	 *    if none of the above, no panel
-	 * 4) make sure lid is open
-	 *    if closed, act like it's not there for now
-	 */
-
-	i2c_adap = i2c_get_adapter(dev_priv->ops->i2c_bus);
-
-	if (i2c_adap == NULL)
-		dev_err(dev->dev, "No ddc adapter available!\n");
-	/*
-	 * Attempt to get the fixed panel mode from DDC.  Assume that the
-	 * preferred mode is the right one.
-	 */
-	if (i2c_adap) {
-		edid = drm_get_edid(connector, i2c_adap);
-		if (edid) {
-			drm_mode_connector_update_edid_property(connector,
-									edid);
-			ret = drm_add_edid_modes(connector, edid);
-			kfree(edid);
-		}
-
-		list_for_each_entry(scan, &connector->probed_modes, head) {
-			if (scan->type & DRM_MODE_TYPE_PREFERRED) {
-				mode_dev->panel_fixed_mode =
-				    drm_mode_duplicate(dev, scan);
-				goto out;	/* FIXME: check for quirks */
-			}
-		}
-	}
-	/*
-	 * If we didn't get EDID, try geting panel timing
-	 * from configuration data
-	 */
-	mode_dev->panel_fixed_mode = mrst_lvds_get_configuration_mode(dev);
-
-	if (mode_dev->panel_fixed_mode) {
-		mode_dev->panel_fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
-		goto out;	/* FIXME: check for quirks */
-	}
-
-	/* If we still don't have a mode after all that, give up. */
-	if (!mode_dev->panel_fixed_mode) {
-		dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n");
-		goto failed_find;
-	}
-
-out:
-	drm_sysfs_connector_add(connector);
-	return;
-
-failed_find:
-	dev_dbg(dev->dev, "No LVDS modes found, disabling.\n");
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-
-/* failed_ddc: */
-
-	drm_encoder_cleanup(encoder);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
diff --git a/drivers/staging/gma500/power.c b/drivers/staging/gma500/power.c
deleted file mode 100644
index 408257038335..000000000000
--- a/drivers/staging/gma500/power.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Authors:
- *    Benjamin Defnet <benjamin.r.defnet@intel.com>
- *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- * Massively reworked
- *    Alan Cox <alan@linux.intel.com>
- */
-
-#include "power.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include <linux/mutex.h>
-#include <linux/pm_runtime.h>
-
-static struct mutex power_mutex;	/* Serialize power ops */
-static spinlock_t power_ctrl_lock;	/* Serialize power claim */
-
-/**
- *	gma_power_init		-	initialise power manager
- *	@dev: our device
- *
- *	Set up for power management tracking of our hardware.
- */
-void gma_power_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/* FIXME: Move APM/OSPM base into relevant device code */
-	dev_priv->apm_base = dev_priv->apm_reg & 0xffff;
-	dev_priv->ospm_base &= 0xffff;
-
-	dev_priv->display_power = true;	/* We start active */
-	dev_priv->display_count = 0;	/* Currently no users */
-	dev_priv->suspended = false;	/* And not suspended */
-	spin_lock_init(&power_ctrl_lock);
-	mutex_init(&power_mutex);
-
-	dev_priv->ops->init_pm(dev);
-}
-
-/**
- *	gma_power_uninit	-	end power manager
- *	@dev: device to end for
- *
- *	Undo the effects of gma_power_init
- */
-void gma_power_uninit(struct drm_device *dev)
-{
-	pm_runtime_disable(&dev->pdev->dev);
-	pm_runtime_set_suspended(&dev->pdev->dev);
-}
-
-/**
- *	gma_suspend_display	-	suspend the display logic
- *	@dev: our DRM device
- *
- *	Suspend the display logic of the graphics interface
- */
-static void gma_suspend_display(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!dev_priv->display_power)
-		return;
-	dev_priv->ops->save_regs(dev);
-	dev_priv->ops->power_down(dev);
-	dev_priv->display_power = false;
-}
-
-/**
- *	gma_resume_display	-	resume display side logic
- *
- *	Resume the display hardware restoring state and enabling
- *	as necessary.
- */
-static void gma_resume_display(struct pci_dev *pdev)
-{
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (dev_priv->display_power)
-		return;
-
-	/* turn on the display power island */
-	dev_priv->ops->power_up(dev);
-	dev_priv->suspended = false;
-	dev_priv->display_power = true;
-
-	PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
-	pci_write_config_word(pdev, PSB_GMCH_CTRL,
-			dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
-	dev_priv->ops->restore_regs(dev);
-}
-
-/**
- *	gma_suspend_pci		-	suspend PCI side
- *	@pdev: PCI device
- *
- *	Perform the suspend processing on our PCI device state
- */
-static void gma_suspend_pci(struct pci_dev *pdev)
-{
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int bsm, vbt;
-
-	if (dev_priv->suspended)
-		return;
-
-	pci_save_state(pdev);
-	pci_read_config_dword(pdev, 0x5C, &bsm);
-	dev_priv->saveBSM = bsm;
-	pci_read_config_dword(pdev, 0xFC, &vbt);
-	dev_priv->saveVBT = vbt;
-	pci_read_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, &dev_priv->msi_addr);
-	pci_read_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, &dev_priv->msi_data);
-
-	pci_disable_device(pdev);
-	pci_set_power_state(pdev, PCI_D3hot);
-
-	dev_priv->suspended = true;
-}
-
-/**
- *	gma_resume_pci		-	resume helper
- *	@dev: our PCI device
- *
- *	Perform the resume processing on our PCI device state - rewrite
- *	register state and re-enable the PCI device
- */
-static bool gma_resume_pci(struct pci_dev *pdev)
-{
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-
-	if (!dev_priv->suspended)
-		return true;
-
-	pci_set_power_state(pdev, PCI_D0);
-	pci_restore_state(pdev);
-	pci_write_config_dword(pdev, 0x5c, dev_priv->saveBSM);
-	pci_write_config_dword(pdev, 0xFC, dev_priv->saveVBT);
-	/* restoring MSI address and data in PCIx space */
-	pci_write_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, dev_priv->msi_addr);
-	pci_write_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, dev_priv->msi_data);
-	ret = pci_enable_device(pdev);
-
-	if (ret != 0)
-		dev_err(&pdev->dev, "pci_enable failed: %d\n", ret);
-	else
-		dev_priv->suspended = false;
-	return !dev_priv->suspended;
-}
-
-/**
- *	gma_power_suspend		-	bus callback for suspend
- *	@pdev: our PCI device
- *	@state: suspend type
- *
- *	Called back by the PCI layer during a suspend of the system. We
- *	perform the necessary shut down steps and save enough state that
- *	we can undo this when resume is called.
- */
-int gma_power_suspend(struct device *_dev)
-{
-	struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	mutex_lock(&power_mutex);
-	if (!dev_priv->suspended) {
-		if (dev_priv->display_count) {
-			mutex_unlock(&power_mutex);
-			return -EBUSY;
-		}
-		psb_irq_uninstall(dev);
-		gma_suspend_display(dev);
-		gma_suspend_pci(pdev);
-	}
-	mutex_unlock(&power_mutex);
-	return 0;
-}
-
-/**
- *	gma_power_resume		-	resume power
- *	@pdev: PCI device
- *
- *	Resume the PCI side of the graphics and then the displays
- */
-int gma_power_resume(struct device *_dev)
-{
-	struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
-	struct drm_device *dev = pci_get_drvdata(pdev);
-
-	mutex_lock(&power_mutex);
-	gma_resume_pci(pdev);
-	gma_resume_display(pdev);
-	psb_irq_preinstall(dev);
-	psb_irq_postinstall(dev);
-	mutex_unlock(&power_mutex);
-	return 0;
-}
-
-/**
- *	gma_power_is_on		-	returne true if power is on
- *	@dev: our DRM device
- *
- *	Returns true if the display island power is on at this moment
- */
-bool gma_power_is_on(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	return dev_priv->display_power;
-}
-
-/**
- *	gma_power_begin		-	begin requiring power
- *	@dev: our DRM device
- *	@force_on: true to force power on
- *
- *	Begin an action that requires the display power island is enabled.
- *	We refcount the islands.
- */
-bool gma_power_begin(struct drm_device *dev, bool force_on)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-	unsigned long flags;
-
-	spin_lock_irqsave(&power_ctrl_lock, flags);
-	/* Power already on ? */
-	if (dev_priv->display_power) {
-		dev_priv->display_count++;
-		pm_runtime_get(&dev->pdev->dev);
-		spin_unlock_irqrestore(&power_ctrl_lock, flags);
-		return true;
-	}
-	if (force_on == false)
-		goto out_false;
-
-	/* Ok power up needed */
-	ret = gma_resume_pci(dev->pdev);
-	if (ret == 0) {
-		/* FIXME: we want to defer this for Medfield/Oaktrail */
-		gma_resume_display(dev->pdev);
-		psb_irq_preinstall(dev);
-		psb_irq_postinstall(dev);
-		pm_runtime_get(&dev->pdev->dev);
-		dev_priv->display_count++;
-		spin_unlock_irqrestore(&power_ctrl_lock, flags);
-		return true;
-	}
-out_false:
-	spin_unlock_irqrestore(&power_ctrl_lock, flags);
-	return false;
-}
-
-/**
- *	gma_power_end		-	end use of power
- *	@dev: Our DRM device
- *
- *	Indicate that one of our gma_power_begin() requested periods when
- *	the diplay island power is needed has completed.
- */
-void gma_power_end(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-	spin_lock_irqsave(&power_ctrl_lock, flags);
-	dev_priv->display_count--;
-	WARN_ON(dev_priv->display_count < 0);
-	spin_unlock_irqrestore(&power_ctrl_lock, flags);
-	pm_runtime_put(&dev->pdev->dev);
-}
-
-int psb_runtime_suspend(struct device *dev)
-{
-	return gma_power_suspend(dev);
-}
-
-int psb_runtime_resume(struct device *dev)
-{
-	return gma_power_resume(dev);;
-}
-
-int psb_runtime_idle(struct device *dev)
-{
-	struct drm_device *drmdev = pci_get_drvdata(to_pci_dev(dev));
-	struct drm_psb_private *dev_priv = drmdev->dev_private;
-	if (dev_priv->display_count)
-		return 0;
-	else
-		return 1;
-}
diff --git a/drivers/staging/gma500/power.h b/drivers/staging/gma500/power.h
deleted file mode 100644
index 1969d2ecb328..000000000000
--- a/drivers/staging/gma500/power.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
-
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Authors:
- *    Benjamin Defnet <benjamin.r.defnet@intel.com>
- *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- * Massively reworked
- *    Alan Cox <alan@linux.intel.com>
- */
-#ifndef _PSB_POWERMGMT_H_
-#define _PSB_POWERMGMT_H_
-
-#include <linux/pci.h>
-#include <drm/drmP.h>
-
-void gma_power_init(struct drm_device *dev);
-void gma_power_uninit(struct drm_device *dev);
-
-/*
- * The kernel bus power management  will call these functions
- */
-int gma_power_suspend(struct device *dev);
-int gma_power_resume(struct device *dev);
-
-/*
- * These are the functions the driver should use to wrap all hw access
- * (i.e. register reads and writes)
- */
-bool gma_power_begin(struct drm_device *dev, bool force);
-void gma_power_end(struct drm_device *dev);
-
-/*
- * Use this function to do an instantaneous check for if the hw is on.
- * Only use this in cases where you know the mutex is already held such
- * as in irq install/uninstall and you need to
- * prevent a deadlock situation.  Otherwise use gma_power_begin().
- */
-bool gma_power_is_on(struct drm_device *dev);
-
-/*
- * GFX-Runtime PM callbacks
- */
-int psb_runtime_suspend(struct device *dev);
-int psb_runtime_resume(struct device *dev);
-int psb_runtime_idle(struct device *dev);
-
-#endif /*_PSB_POWERMGMT_H_*/
diff --git a/drivers/staging/gma500/psb_device.c b/drivers/staging/gma500/psb_device.c
deleted file mode 100644
index b97aa78519f2..000000000000
--- a/drivers/staging/gma500/psb_device.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-
-
-static int psb_output_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	psb_intel_lvds_init(dev, &dev_priv->mode_dev);
-	psb_intel_sdvo_init(dev, SDVOB);
-	return 0;
-}
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-/*
- *	Poulsbo Backlight Interfaces
- */
-
-#define BLC_PWM_PRECISION_FACTOR 100	/* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-
-#define PSB_BLC_PWM_PRECISION_FACTOR    10
-#define PSB_BLC_MAX_PWM_REG_FREQ        0xFFFE
-#define PSB_BLC_MIN_PWM_REG_FREQ        0x2
-
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT	(16)
-
-static int psb_brightness;
-static struct backlight_device *psb_backlight_device;
-
-static int psb_get_brightness(struct backlight_device *bd)
-{
-	/* return locally cached var instead of HW read (due to DPST etc.) */
-	/* FIXME: ideally return actual value in case firmware fiddled with
-	   it */
-	return psb_brightness;
-}
-
-
-static int psb_backlight_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long core_clock;
-	/* u32 bl_max_freq; */
-	/* unsigned long value; */
-	u16 bl_max_freq;
-	uint32_t value;
-	uint32_t blc_pwm_precision_factor;
-
-	/* get bl_max_freq and pol from dev_priv*/
-	if (!dev_priv->lvds_bl) {
-		dev_err(dev->dev, "Has no valid LVDS backlight info\n");
-		return -ENOENT;
-	}
-	bl_max_freq = dev_priv->lvds_bl->freq;
-	blc_pwm_precision_factor = PSB_BLC_PWM_PRECISION_FACTOR;
-
-	core_clock = dev_priv->core_freq;
-
-	value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
-	value *= blc_pwm_precision_factor;
-	value /= bl_max_freq;
-	value /= blc_pwm_precision_factor;
-
-	if (value > (unsigned long long)PSB_BLC_MAX_PWM_REG_FREQ ||
-		 value < (unsigned long long)PSB_BLC_MIN_PWM_REG_FREQ)
-				return -ERANGE;
-	else {
-		value &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
-		REG_WRITE(BLC_PWM_CTL,
-			(value << PSB_BACKLIGHT_PWM_CTL_SHIFT) | (value));
-	}
-	return 0;
-}
-
-static int psb_set_brightness(struct backlight_device *bd)
-{
-	struct drm_device *dev = bl_get_data(psb_backlight_device);
-	int level = bd->props.brightness;
-
-	/* Percentage 1-100% being valid */
-	if (level < 1)
-		level = 1;
-
-	psb_intel_lvds_set_brightness(dev, level);
-	psb_brightness = level;
-	return 0;
-}
-
-static const struct backlight_ops psb_ops = {
-	.get_brightness = psb_get_brightness,
-	.update_status  = psb_set_brightness,
-};
-
-static int psb_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-	struct backlight_properties props;
-
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.max_brightness = 100;
-	props.type = BACKLIGHT_PLATFORM;
-
-	psb_backlight_device = backlight_device_register("psb-bl",
-					NULL, (void *)dev, &psb_ops, &props);
-	if (IS_ERR(psb_backlight_device))
-		return PTR_ERR(psb_backlight_device);
-
-	ret = psb_backlight_setup(dev);
-	if (ret < 0) {
-		backlight_device_unregister(psb_backlight_device);
-		psb_backlight_device = NULL;
-		return ret;
-	}
-	psb_backlight_device->props.brightness = 100;
-	psb_backlight_device->props.max_brightness = 100;
-	backlight_update_status(psb_backlight_device);
-	dev_priv->backlight_device = psb_backlight_device;
-	return 0;
-}
-
-#endif
-
-/*
- *	Provide the Poulsbo specific chip logic and low level methods
- *	for power management
- */
-
-static void psb_init_pm(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	u32 gating = PSB_RSGX32(PSB_CR_CLKGATECTL);
-	gating &= ~3;	/* Disable 2D clock gating */
-	gating |= 1;
-	PSB_WSGX32(gating, PSB_CR_CLKGATECTL);
-	PSB_RSGX32(PSB_CR_CLKGATECTL);
-}
-
-/**
- *	psb_save_display_registers	-	save registers lost on suspend
- *	@dev: our DRM device
- *
- *	Save the state we need in order to be able to restore the interface
- *	upon resume from suspend
- */
-static int psb_save_display_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc;
-	struct drm_connector *connector;
-
-	/* Display arbitration control + watermarks */
-	dev_priv->saveDSPARB = PSB_RVDC32(DSPARB);
-	dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1);
-	dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2);
-	dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3);
-	dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4);
-	dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5);
-	dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6);
-	dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
-
-	/* Save crtc and output state */
-	mutex_lock(&dev->mode_config.mutex);
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		if (drm_helper_crtc_in_use(crtc))
-			crtc->funcs->save(crtc);
-	}
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head)
-		connector->funcs->save(connector);
-
-	mutex_unlock(&dev->mode_config.mutex);
-	return 0;
-}
-
-/**
- *	psb_restore_display_registers	-	restore lost register state
- *	@dev: our DRM device
- *
- *	Restore register state that was lost during suspend and resume.
- */
-static int psb_restore_display_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc;
-	struct drm_connector *connector;
-
-	/* Display arbitration + watermarks */
-	PSB_WVDC32(dev_priv->saveDSPARB, DSPARB);
-	PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1);
-	PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2);
-	PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3);
-	PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4);
-	PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5);
-	PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6);
-	PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT);
-
-	/*make sure VGA plane is off. it initializes to on after reset!*/
-	PSB_WVDC32(0x80000000, VGACNTRL);
-
-	mutex_lock(&dev->mode_config.mutex);
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
-		if (drm_helper_crtc_in_use(crtc))
-			crtc->funcs->restore(crtc);
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head)
-		connector->funcs->restore(connector);
-
-	mutex_unlock(&dev->mode_config.mutex);
-	return 0;
-}
-
-static int psb_power_down(struct drm_device *dev)
-{
-	return 0;
-}
-
-static int psb_power_up(struct drm_device *dev)
-{
-	return 0;
-}
-
-static void psb_get_core_freq(struct drm_device *dev)
-{
-	uint32_t clock;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/
-	/*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/
-
-	pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
-	pci_read_config_dword(pci_root, 0xD4, &clock);
-	pci_dev_put(pci_root);
-
-	switch (clock & 0x07) {
-	case 0:
-		dev_priv->core_freq = 100;
-		break;
-	case 1:
-		dev_priv->core_freq = 133;
-		break;
-	case 2:
-		dev_priv->core_freq = 150;
-		break;
-	case 3:
-		dev_priv->core_freq = 178;
-		break;
-	case 4:
-		dev_priv->core_freq = 200;
-		break;
-	case 5:
-	case 6:
-	case 7:
-		dev_priv->core_freq = 266;
-	default:
-		dev_priv->core_freq = 0;
-	}
-}
-
-static int psb_chip_setup(struct drm_device *dev)
-{
-	psb_get_core_freq(dev);
-	gma_intel_opregion_init(dev);
-	psb_intel_init_bios(dev);
-	return 0;
-}
-
-const struct psb_ops psb_chip_ops = {
-	.name = "Poulsbo",
-	.accel_2d = 1,
-	.pipes = 2,
-	.crtcs = 2,
-	.sgx_offset = PSB_SGX_OFFSET,
-	.chip_setup = psb_chip_setup,
-
-	.crtc_helper = &psb_intel_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
-
-	.output_init = psb_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = psb_backlight_init,
-#endif
-
-	.init_pm = psb_init_pm,
-	.save_regs = psb_save_display_registers,
-	.restore_regs = psb_restore_display_registers,
-	.power_down = psb_power_down,
-	.power_up = psb_power_up,
-};
-
diff --git a/drivers/staging/gma500/psb_drm.h b/drivers/staging/gma500/psb_drm.h
deleted file mode 100644
index 0da846835688..000000000000
--- a/drivers/staging/gma500/psb_drm.h
+++ /dev/null
@@ -1,219 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- * Copyright (c) 2008, Tungsten Graphics Inc.  Cedar Park, TX., USA.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#ifndef _PSB_DRM_H_
-#define _PSB_DRM_H_
-
-#define PSB_NUM_PIPE 3
-
-#define PSB_GPU_ACCESS_READ         (1ULL << 32)
-#define PSB_GPU_ACCESS_WRITE        (1ULL << 33)
-#define PSB_GPU_ACCESS_MASK         (PSB_GPU_ACCESS_READ | PSB_GPU_ACCESS_WRITE)
-
-#define PSB_BO_FLAG_COMMAND         (1ULL << 52)
-
-/*
- * Feedback components:
- */
-
-struct drm_psb_sizes_arg {
-	u32 ta_mem_size;
-	u32 mmu_size;
-	u32 pds_size;
-	u32 rastgeom_size;
-	u32 tt_size;
-	u32 vram_size;
-};
-
-struct drm_psb_dpst_lut_arg {
-	uint8_t lut[256];
-	int output_id;
-};
-
-#define PSB_DC_CRTC_SAVE 0x01
-#define PSB_DC_CRTC_RESTORE 0x02
-#define PSB_DC_OUTPUT_SAVE 0x04
-#define PSB_DC_OUTPUT_RESTORE 0x08
-#define PSB_DC_CRTC_MASK 0x03
-#define PSB_DC_OUTPUT_MASK 0x0C
-
-struct drm_psb_dc_state_arg {
-	u32 flags;
-	u32 obj_id;
-};
-
-struct drm_psb_mode_operation_arg {
-	u32 obj_id;
-	u16 operation;
-	struct drm_mode_modeinfo mode;
-	void *data;
-};
-
-struct drm_psb_stolen_memory_arg {
-	u32 base;
-	u32 size;
-};
-
-/*Display Register Bits*/
-#define REGRWBITS_PFIT_CONTROLS			(1 << 0)
-#define REGRWBITS_PFIT_AUTOSCALE_RATIOS		(1 << 1)
-#define REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS	(1 << 2)
-#define REGRWBITS_PIPEASRC			(1 << 3)
-#define REGRWBITS_PIPEBSRC			(1 << 4)
-#define REGRWBITS_VTOTAL_A			(1 << 5)
-#define REGRWBITS_VTOTAL_B			(1 << 6)
-#define REGRWBITS_DSPACNTR	(1 << 8)
-#define REGRWBITS_DSPBCNTR	(1 << 9)
-#define REGRWBITS_DSPCCNTR	(1 << 10)
-
-/*Overlay Register Bits*/
-#define OV_REGRWBITS_OVADD			(1 << 0)
-#define OV_REGRWBITS_OGAM_ALL			(1 << 1)
-
-#define OVC_REGRWBITS_OVADD                  (1 << 2)
-#define OVC_REGRWBITS_OGAM_ALL			(1 << 3)
-
-struct drm_psb_register_rw_arg {
-	u32 b_force_hw_on;
-
-	u32 display_read_mask;
-	u32 display_write_mask;
-
-	struct {
-		u32 pfit_controls;
-		u32 pfit_autoscale_ratios;
-		u32 pfit_programmed_scale_ratios;
-		u32 pipeasrc;
-		u32 pipebsrc;
-		u32 vtotal_a;
-		u32 vtotal_b;
-	} display;
-
-	u32 overlay_read_mask;
-	u32 overlay_write_mask;
-
-	struct {
-		u32 OVADD;
-		u32 OGAMC0;
-		u32 OGAMC1;
-		u32 OGAMC2;
-		u32 OGAMC3;
-		u32 OGAMC4;
-		u32 OGAMC5;
-		u32 IEP_ENABLED;
-		u32 IEP_BLE_MINMAX;
-		u32 IEP_BSSCC_CONTROL;
-		u32 b_wait_vblank;
-	} overlay;
-
-	u32 sprite_enable_mask;
-	u32 sprite_disable_mask;
-
-	struct {
-		u32 dspa_control;
-		u32 dspa_key_value;
-		u32 dspa_key_mask;
-		u32 dspc_control;
-		u32 dspc_stride;
-		u32 dspc_position;
-		u32 dspc_linear_offset;
-		u32 dspc_size;
-		u32 dspc_surface;
-	} sprite;
-
-	u32 subpicture_enable_mask;
-	u32 subpicture_disable_mask;
-};
-
-/* Controlling the kernel modesetting buffers */
-
-#define DRM_PSB_SIZES           0x07
-#define DRM_PSB_FUSE_REG	0x08
-#define DRM_PSB_DC_STATE	0x0A
-#define DRM_PSB_ADB		0x0B
-#define DRM_PSB_MODE_OPERATION	0x0C
-#define DRM_PSB_STOLEN_MEMORY	0x0D
-#define DRM_PSB_REGISTER_RW	0x0E
-
-/*
- * NOTE: Add new commands here, but increment
- * the values below and increment their
- * corresponding defines where they're
- * defined elsewhere.
- */
-
-#define DRM_PSB_GEM_CREATE	0x10
-#define DRM_PSB_2D_OP		0x11
-#define DRM_PSB_GEM_MMAP	0x12
-#define DRM_PSB_DPST		0x1B
-#define DRM_PSB_GAMMA		0x1C
-#define DRM_PSB_DPST_BL		0x1D
-#define DRM_PSB_GET_PIPE_FROM_CRTC_ID 0x1F
-
-#define PSB_MODE_OPERATION_MODE_VALID	0x01
-#define PSB_MODE_OPERATION_SET_DC_BASE  0x02
-
-struct drm_psb_get_pipe_from_crtc_id_arg {
-	/** ID of CRTC being requested **/
-	u32 crtc_id;
-
-	/** pipe of requested CRTC **/
-	u32 pipe;
-};
-
-/* FIXME: move this into a medfield header once we are sure it isn't needed for an
-   ioctl  */
-struct psb_drm_dpu_rect {  
-	int x, y;             
-	int width, height;    
-};  
-
-struct drm_psb_gem_create {
-	__u64 size;
-	__u32 handle;
-	__u32 flags;
-#define PSB_GEM_CREATE_STOLEN		1	/* Stolen memory can be used */
-};
-
-#define PSB_2D_OP_BUFLEN		16
-
-struct drm_psb_2d_op {
-	__u32 src;		/* Handles, only src supported right now */
-	__u32 dst;
-	__u32 mask;
-	__u32 pat;
-	__u32 size;		/* In dwords of command */
-	__u32 spare;		/* And bumps array to u64 align */
-	__u32 cmd[PSB_2D_OP_BUFLEN];
-};
-
-struct drm_psb_gem_mmap {
-	__u32 handle;
-	__u32 pad;
-	/**
-	 * Fake offset to use for subsequent mmap call
-	 *
-	 * This is a fixed-size type for 32/64 compatibility.
-	 */
-	__u64 offset;
-};
-
-#endif
diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c
deleted file mode 100644
index 95816808f867..000000000000
--- a/drivers/staging/gma500/psb_drv.c
+++ /dev/null
@@ -1,1230 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "framebuffer.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-#include "mid_bios.h"
-#include "mdfld_dsi_dbi.h"
-#include <drm/drm_pciids.h>
-#include "power.h"
-#include <linux/cpu.h>
-#include <linux/notifier.h>
-#include <linux/spinlock.h>
-#include <linux/pm_runtime.h>
-#include <linux/module.h>
-#include <acpi/video.h>
-
-static int drm_psb_trap_pagefaults;
-
-int drm_psb_no_fb;
-
-static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
-
-MODULE_PARM_DESC(no_fb, "Disable FBdev");
-MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
-module_param_named(no_fb, drm_psb_no_fb, int, 0600);
-module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600);
-
-
-static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
-	{ 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
-	{ 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
-#if defined(CONFIG_DRM_PSB_MRST)
-	{ 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-#endif
-#if defined(CONFIG_DRM_PSB_MFLD)
-	{ 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-#endif
-#if defined(CONFIG_DRM_PSB_CDV)
-	{ 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-#endif
-	{ 0, 0, 0}
-};
-MODULE_DEVICE_TABLE(pci, pciidlist);
-
-/*
- * Standard IOCTLs.
- */
-
-#define DRM_IOCTL_PSB_SIZES	\
-		DRM_IOR(DRM_PSB_SIZES + DRM_COMMAND_BASE, \
-			struct drm_psb_sizes_arg)
-#define DRM_IOCTL_PSB_FUSE_REG	\
-		DRM_IOWR(DRM_PSB_FUSE_REG + DRM_COMMAND_BASE, uint32_t)
-#define DRM_IOCTL_PSB_DC_STATE	\
-		DRM_IOW(DRM_PSB_DC_STATE + DRM_COMMAND_BASE, \
-			struct drm_psb_dc_state_arg)
-#define DRM_IOCTL_PSB_ADB	\
-		DRM_IOWR(DRM_PSB_ADB + DRM_COMMAND_BASE, uint32_t)
-#define DRM_IOCTL_PSB_MODE_OPERATION	\
-		DRM_IOWR(DRM_PSB_MODE_OPERATION + DRM_COMMAND_BASE, \
-			 struct drm_psb_mode_operation_arg)
-#define DRM_IOCTL_PSB_STOLEN_MEMORY	\
-		DRM_IOWR(DRM_PSB_STOLEN_MEMORY + DRM_COMMAND_BASE, \
-			 struct drm_psb_stolen_memory_arg)
-#define DRM_IOCTL_PSB_REGISTER_RW	\
-		DRM_IOWR(DRM_PSB_REGISTER_RW + DRM_COMMAND_BASE, \
-			 struct drm_psb_register_rw_arg)
-#define DRM_IOCTL_PSB_DPST	\
-		DRM_IOWR(DRM_PSB_DPST + DRM_COMMAND_BASE, \
-			 uint32_t)
-#define DRM_IOCTL_PSB_GAMMA	\
-		DRM_IOWR(DRM_PSB_GAMMA + DRM_COMMAND_BASE, \
-			 struct drm_psb_dpst_lut_arg)
-#define DRM_IOCTL_PSB_DPST_BL	\
-		DRM_IOWR(DRM_PSB_DPST_BL + DRM_COMMAND_BASE, \
-			 uint32_t)
-#define DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID	\
-		DRM_IOWR(DRM_PSB_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
-			 struct drm_psb_get_pipe_from_crtc_id_arg)
-#define DRM_IOCTL_PSB_GEM_CREATE	\
-		DRM_IOWR(DRM_PSB_GEM_CREATE + DRM_COMMAND_BASE, \
-			 struct drm_psb_gem_create)
-#define DRM_IOCTL_PSB_2D_OP	\
-		DRM_IOW(DRM_PSB_2D_OP + DRM_COMMAND_BASE, \
-			 struct drm_psb_2d_op)
-#define DRM_IOCTL_PSB_GEM_MMAP	\
-		DRM_IOWR(DRM_PSB_GEM_MMAP + DRM_COMMAND_BASE, \
-			 struct drm_psb_gem_mmap)
-
-static int psb_sizes_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv);
-static int psb_dc_state_ioctl(struct drm_device *dev, void * data,
-			      struct drm_file *file_priv);
-static int psb_adb_ioctl(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv);
-static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
-				    struct drm_file *file_priv);
-static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
-				   struct drm_file *file_priv);
-static int psb_register_rw_ioctl(struct drm_device *dev, void *data,
-				 struct drm_file *file_priv);
-static int psb_dpst_ioctl(struct drm_device *dev, void *data,
-			  struct drm_file *file_priv);
-static int psb_gamma_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv);
-static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
-			     struct drm_file *file_priv);
-
-#define PSB_IOCTL_DEF(ioctl, func, flags) \
-	[DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func}
-
-static struct drm_ioctl_desc psb_ioctls[] = {
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_SIZES, psb_sizes_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_DC_STATE, psb_dc_state_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_MODE_OPERATION, psb_mode_operation_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_STOLEN_MEMORY, psb_stolen_memory_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_REGISTER_RW, psb_register_rw_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST, psb_dpst_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID,
-					psb_intel_get_pipe_from_crtc_id, 0),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_CREATE, psb_gem_create_ioctl,
-						DRM_UNLOCKED | DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_2D_OP, psb_accel_ioctl,
-						DRM_UNLOCKED| DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_MMAP, psb_gem_mmap_ioctl,
-						DRM_UNLOCKED | DRM_AUTH),
-};
-
-static void psb_lastclose(struct drm_device *dev)
-{
-	return;
-}
-
-static void psb_do_takedown(struct drm_device *dev)
-{
-}
-
-static int psb_do_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_gtt *pg = &dev_priv->gtt;
-
-	uint32_t stolen_gtt;
-
-	int ret = -ENOMEM;
-
-	if (pg->mmu_gatt_start & 0x0FFFFFFF) {
-		dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
-		ret = -EINVAL;
-		goto out_err;
-	}
-
-
-	stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
-	stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
-	stolen_gtt =
-	    (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
-
-	dev_priv->gatt_free_offset = pg->mmu_gatt_start +
-	    (stolen_gtt << PAGE_SHIFT) * 1024;
-
-	if (1 || drm_debug) {
-		uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID);
-		uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION);
-		DRM_INFO("SGX core id = 0x%08x\n", core_id);
-		DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n",
-			 (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >>
-			 _PSB_CC_REVISION_MAJOR_SHIFT,
-			 (core_rev & _PSB_CC_REVISION_MINOR_MASK) >>
-			 _PSB_CC_REVISION_MINOR_SHIFT);
-		DRM_INFO
-		    ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n",
-		     (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >>
-		     _PSB_CC_REVISION_MAINTENANCE_SHIFT,
-		     (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >>
-		     _PSB_CC_REVISION_DESIGNER_SHIFT);
-	}
-
-
-	spin_lock_init(&dev_priv->irqmask_lock);
-	spin_lock_init(&dev_priv->lock_2d);
-
-	PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
-	PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
-	PSB_RSGX32(PSB_CR_BIF_BANK1);
-	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
-							PSB_CR_BIF_CTRL);
-	psb_spank(dev_priv);
-
-	/* mmu_gatt ?? */
-	PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
-	return 0;
-out_err:
-	psb_do_takedown(dev);
-	return ret;
-}
-
-static int psb_driver_unload(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/* Kill vblank etc here */
-
-	gma_backlight_exit(dev);
-
-	if (drm_psb_no_fb == 0)
-		psb_modeset_cleanup(dev);
-
-	if (dev_priv) {
-		psb_lid_timer_takedown(dev_priv);
-		gma_intel_opregion_exit(dev);
-
-		if (dev_priv->ops->chip_teardown)
-			dev_priv->ops->chip_teardown(dev);
-		psb_do_takedown(dev);
-
-
-		if (dev_priv->pf_pd) {
-			psb_mmu_free_pagedir(dev_priv->pf_pd);
-			dev_priv->pf_pd = NULL;
-		}
-		if (dev_priv->mmu) {
-			struct psb_gtt *pg = &dev_priv->gtt;
-
-			down_read(&pg->sem);
-			psb_mmu_remove_pfn_sequence(
-				psb_mmu_get_default_pd
-				(dev_priv->mmu),
-				pg->mmu_gatt_start,
-				dev_priv->vram_stolen_size >> PAGE_SHIFT);
-			up_read(&pg->sem);
-			psb_mmu_driver_takedown(dev_priv->mmu);
-			dev_priv->mmu = NULL;
-		}
-		psb_gtt_takedown(dev);
-		if (dev_priv->scratch_page) {
-			__free_page(dev_priv->scratch_page);
-			dev_priv->scratch_page = NULL;
-		}
-		if (dev_priv->vdc_reg) {
-			iounmap(dev_priv->vdc_reg);
-			dev_priv->vdc_reg = NULL;
-		}
-		if (dev_priv->sgx_reg) {
-			iounmap(dev_priv->sgx_reg);
-			dev_priv->sgx_reg = NULL;
-		}
-
-		kfree(dev_priv);
-		dev->dev_private = NULL;
-
-		/*destroy VBT data*/
-		psb_intel_destroy_bios(dev);
-	}
-
-	gma_power_uninit(dev);
-
-	return 0;
-}
-
-
-static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
-{
-	struct drm_psb_private *dev_priv;
-	unsigned long resource_start;
-	struct psb_gtt *pg;
-	unsigned long irqflags;
-	int ret = -ENOMEM;
-	uint32_t tt_pages;
-	struct drm_connector *connector;
-	struct psb_intel_output *psb_intel_output;
-
-	dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
-	if (dev_priv == NULL)
-		return -ENOMEM;
-
-	dev_priv->ops = (struct psb_ops *)chipset;
-	dev_priv->dev = dev;
-	dev->dev_private = (void *) dev_priv;
-
-	if (!IS_PSB(dev)) {
-		if (pci_enable_msi(dev->pdev))
-			dev_warn(dev->dev, "Enabling MSI failed!\n");
-	}
-
-	dev_priv->num_pipe = dev_priv->ops->pipes;
-
-	resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
-
-	dev_priv->vdc_reg =
-	    ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
-	if (!dev_priv->vdc_reg)
-		goto out_err;
-
-	dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
-							PSB_SGX_SIZE);
-	if (!dev_priv->sgx_reg)
-		goto out_err;
-
-	ret = dev_priv->ops->chip_setup(dev);
-	if (ret)
-		goto out_err;
-
-	/* Init OSPM support */
-	gma_power_init(dev);
-
-	ret = -ENOMEM;
-
-	dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
-	if (!dev_priv->scratch_page)
-		goto out_err;
-
-	set_pages_uc(dev_priv->scratch_page, 1);
-
-	ret = psb_gtt_init(dev, 0);
-	if (ret)
-		goto out_err;
-
-	dev_priv->mmu = psb_mmu_driver_init((void *)0,
-					drm_psb_trap_pagefaults, 0,
-					dev_priv);
-	if (!dev_priv->mmu)
-		goto out_err;
-
-	pg = &dev_priv->gtt;
-
-	tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ?
-		(pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT;
-
-
-	dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
-	if (!dev_priv->pf_pd)
-		goto out_err;
-
-	psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
-	psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
-
-	ret = psb_do_init(dev);
-	if (ret)
-		return ret;
-
-	PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
-	PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
-
-/*	igd_opregion_init(&dev_priv->opregion_dev); */
-	acpi_video_register();
-	if (dev_priv->lid_state)
-		psb_lid_timer_init(dev_priv);
-
-	ret = drm_vblank_init(dev, dev_priv->num_pipe);
-	if (ret)
-		goto out_err;
-
-	/*
-	 * Install interrupt handlers prior to powering off SGX or else we will
-	 * crash.
-	 */
-	dev_priv->vdc_irq_mask = 0;
-	dev_priv->pipestat[0] = 0;
-	dev_priv->pipestat[1] = 0;
-	dev_priv->pipestat[2] = 0;
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-	PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-	PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
-	PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-	if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET))
-		drm_irq_install(dev);
-
-	dev->vblank_disable_allowed = 1;
-
-	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
-
-	dev->driver->get_vblank_counter = psb_get_vblank_counter;
-
-#if defined(CONFIG_DRM_PSB_MFLD)
-	/* FIXME: this is not the right place for this stuff ! */
-	mdfld_output_setup(dev);
-#endif
-	if (drm_psb_no_fb == 0) {
-		psb_modeset_init(dev);
-		psb_fbdev_init(dev);
-		drm_kms_helper_poll_init(dev);
-	}
-
-	/* Only add backlight support if we have LVDS output */
-	list_for_each_entry(connector, &dev->mode_config.connector_list,
-			    head) {
-		psb_intel_output = to_psb_intel_output(connector);
-
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-		case INTEL_OUTPUT_MIPI:
-			ret = gma_backlight_init(dev);
-			break;
-		}
-	}
-
-	if (ret)
-		return ret;
-
-	/* Enable runtime pm at last */
-	pm_runtime_set_active(&dev->pdev->dev);
-	return 0;
-out_err:
-	psb_driver_unload(dev);
-	return ret;
-}
-
-int psb_driver_device_is_agp(struct drm_device *dev)
-{
-	return 0;
-}
-
-
-static int psb_sizes_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	struct drm_psb_sizes_arg *arg = data;
-
-	*arg = dev_priv->sizes;
-	return 0;
-}
-
-static int psb_dc_state_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
-{
-	uint32_t flags;
-	uint32_t obj_id;
-	struct drm_mode_object *obj;
-	struct drm_connector *connector;
-	struct drm_crtc *crtc;
-	struct drm_psb_dc_state_arg *arg = data;
-
-
-	/* Double check MRST case */
-	if (IS_MRST(dev) || IS_MFLD(dev))
-		return -EOPNOTSUPP;
-
-	flags = arg->flags;
-	obj_id = arg->obj_id;
-
-	if (flags & PSB_DC_CRTC_MASK) {
-		obj = drm_mode_object_find(dev, obj_id,
-				DRM_MODE_OBJECT_CRTC);
-		if (!obj) {
-			dev_dbg(dev->dev, "Invalid CRTC object.\n");
-			return -EINVAL;
-		}
-
-		crtc = obj_to_crtc(obj);
-
-		mutex_lock(&dev->mode_config.mutex);
-		if (drm_helper_crtc_in_use(crtc)) {
-			if (flags & PSB_DC_CRTC_SAVE)
-				crtc->funcs->save(crtc);
-			else
-				crtc->funcs->restore(crtc);
-		}
-		mutex_unlock(&dev->mode_config.mutex);
-
-		return 0;
-	} else if (flags & PSB_DC_OUTPUT_MASK) {
-		obj = drm_mode_object_find(dev, obj_id,
-				DRM_MODE_OBJECT_CONNECTOR);
-		if (!obj) {
-			dev_dbg(dev->dev, "Invalid connector id.\n");
-			return -EINVAL;
-		}
-
-		connector = obj_to_connector(obj);
-		if (flags & PSB_DC_OUTPUT_SAVE)
-			connector->funcs->save(connector);
-		else
-			connector->funcs->restore(connector);
-
-		return 0;
-	}
-	return -EINVAL;
-}
-
-static inline void get_brightness(struct backlight_device *bd)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	if (bd) {
-		bd->props.brightness = bd->ops->get_brightness(bd);
-		backlight_update_status(bd);
-	}
-#endif
-}
-
-static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	uint32_t *arg = data;
-
-	dev_priv->blc_adj2 = *arg;
-	get_brightness(dev_priv->backlight_device);
-	return 0;
-}
-
-static int psb_adb_ioctl(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	uint32_t *arg = data;
-
-	dev_priv->blc_adj1 = *arg;
-	get_brightness(dev_priv->backlight_device);
-	return 0;
-}
-
-/* return the current mode to the dpst module */
-static int psb_dpst_ioctl(struct drm_device *dev, void *data,
-			  struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	uint32_t *arg = data;
-	uint32_t x;
-	uint32_t y;
-	uint32_t reg;
-
-	if (!gma_power_begin(dev, 0))
-		return -EIO;
-
-	reg = PSB_RVDC32(PIPEASRC);
-
-	gma_power_end(dev);
-
-	/* horizontal is the left 16 bits */
-	x = reg >> 16;
-	/* vertical is the right 16 bits */
-	y = reg & 0x0000ffff;
-
-	/* the values are the image size minus one */
-	x++;
-	y++;
-
-	*arg = (x << 16) | y;
-
-	return 0;
-}
-static int psb_gamma_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_psb_dpst_lut_arg *lut_arg = data;
-	struct drm_mode_object *obj;
-	struct drm_crtc *crtc;
-	struct drm_connector *connector;
-	struct psb_intel_crtc *psb_intel_crtc;
-	int i = 0;
-	int32_t obj_id;
-
-	obj_id = lut_arg->output_id;
-	obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
-	if (!obj) {
-		dev_dbg(dev->dev, "Invalid Connector object.\n");
-		return -EINVAL;
-	}
-
-	connector = obj_to_connector(obj);
-	crtc = connector->encoder->crtc;
-	psb_intel_crtc = to_psb_intel_crtc(crtc);
-
-	for (i = 0; i < 256; i++)
-		psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
-
-	psb_intel_crtc_load_lut(crtc);
-
-	return 0;
-}
-
-static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
-{
-	uint32_t obj_id;
-	uint16_t op;
-	struct drm_mode_modeinfo *umode;
-	struct drm_display_mode *mode = NULL;
-	struct drm_psb_mode_operation_arg *arg;
-	struct drm_mode_object *obj;
-	struct drm_connector *connector;
-	struct drm_framebuffer *drm_fb;
-	struct psb_framebuffer *psb_fb;
-	struct drm_connector_helper_funcs *connector_funcs;
-	int ret = 0;
-	int resp = MODE_OK;
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-
-	arg = (struct drm_psb_mode_operation_arg *)data;
-	obj_id = arg->obj_id;
-	op = arg->operation;
-
-	switch (op) {
-	case PSB_MODE_OPERATION_SET_DC_BASE:
-		obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_FB);
-		if (!obj) {
-			dev_dbg(dev->dev, "Invalid FB id %d\n", obj_id);
-			return -EINVAL;
-		}
-
-		drm_fb = obj_to_fb(obj);
-		psb_fb = to_psb_fb(drm_fb);
-
-		if (gma_power_begin(dev, 0)) {
-			REG_WRITE(DSPASURF, psb_fb->gtt->offset);
-			REG_READ(DSPASURF);
-			gma_power_end(dev);
-		} else {
-			dev_priv->saveDSPASURF = psb_fb->gtt->offset;
-		}
-
-		return 0;
-	case PSB_MODE_OPERATION_MODE_VALID:
-		umode = &arg->mode;
-
-		mutex_lock(&dev->mode_config.mutex);
-
-		obj = drm_mode_object_find(dev, obj_id,
-					DRM_MODE_OBJECT_CONNECTOR);
-		if (!obj) {
-			ret = -EINVAL;
-			goto mode_op_out;
-		}
-
-		connector = obj_to_connector(obj);
-
-		mode = drm_mode_create(dev);
-		if (!mode) {
-			ret = -ENOMEM;
-			goto mode_op_out;
-		}
-
-		/* drm_crtc_convert_umode(mode, umode); */
-		{
-			mode->clock = umode->clock;
-			mode->hdisplay = umode->hdisplay;
-			mode->hsync_start = umode->hsync_start;
-			mode->hsync_end = umode->hsync_end;
-			mode->htotal = umode->htotal;
-			mode->hskew = umode->hskew;
-			mode->vdisplay = umode->vdisplay;
-			mode->vsync_start = umode->vsync_start;
-			mode->vsync_end = umode->vsync_end;
-			mode->vtotal = umode->vtotal;
-			mode->vscan = umode->vscan;
-			mode->vrefresh = umode->vrefresh;
-			mode->flags = umode->flags;
-			mode->type = umode->type;
-			strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
-			mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
-		}
-
-		connector_funcs = (struct drm_connector_helper_funcs *)
-				   connector->helper_private;
-
-		if (connector_funcs->mode_valid) {
-			resp = connector_funcs->mode_valid(connector, mode);
-			arg->data = (void *)resp;
-		}
-
-		/*do some clean up work*/
-		if (mode)
-			drm_mode_destroy(dev, mode);
-mode_op_out:
-		mutex_unlock(&dev->mode_config.mutex);
-		return ret;
-
-	default:
-		dev_dbg(dev->dev, "Unsupported psb mode operation\n");
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
-}
-
-static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
-				   struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	struct drm_psb_stolen_memory_arg *arg = data;
-
-	arg->base = dev_priv->stolen_base;
-	arg->size = dev_priv->vram_stolen_size;
-
-	return 0;
-}
-
-/* FIXME: needs Medfield changes */
-static int psb_register_rw_ioctl(struct drm_device *dev, void *data,
-				 struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	struct drm_psb_register_rw_arg *arg = data;
-	bool usage = arg->b_force_hw_on ? true : false;
-
-	if (arg->display_write_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS)
-				PSB_WVDC32(arg->display.pfit_controls,
-					   PFIT_CONTROL);
-			if (arg->display_write_mask &
-			    REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-				PSB_WVDC32(arg->display.pfit_autoscale_ratios,
-					   PFIT_AUTO_RATIOS);
-			if (arg->display_write_mask &
-			    REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-				PSB_WVDC32(
-				   arg->display.pfit_programmed_scale_ratios,
-				   PFIT_PGM_RATIOS);
-			if (arg->display_write_mask & REGRWBITS_PIPEASRC)
-				PSB_WVDC32(arg->display.pipeasrc,
-					   PIPEASRC);
-			if (arg->display_write_mask & REGRWBITS_PIPEBSRC)
-				PSB_WVDC32(arg->display.pipebsrc,
-					   PIPEBSRC);
-			if (arg->display_write_mask & REGRWBITS_VTOTAL_A)
-				PSB_WVDC32(arg->display.vtotal_a,
-					   VTOTAL_A);
-			if (arg->display_write_mask & REGRWBITS_VTOTAL_B)
-				PSB_WVDC32(arg->display.vtotal_b,
-					   VTOTAL_B);
-			gma_power_end(dev);
-		} else {
-			if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS)
-				dev_priv->savePFIT_CONTROL =
-						arg->display.pfit_controls;
-			if (arg->display_write_mask &
-			    REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-				dev_priv->savePFIT_AUTO_RATIOS =
-					arg->display.pfit_autoscale_ratios;
-			if (arg->display_write_mask &
-			    REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-				dev_priv->savePFIT_PGM_RATIOS =
-				   arg->display.pfit_programmed_scale_ratios;
-			if (arg->display_write_mask & REGRWBITS_PIPEASRC)
-				dev_priv->savePIPEASRC = arg->display.pipeasrc;
-			if (arg->display_write_mask & REGRWBITS_PIPEBSRC)
-				dev_priv->savePIPEBSRC = arg->display.pipebsrc;
-			if (arg->display_write_mask & REGRWBITS_VTOTAL_A)
-				dev_priv->saveVTOTAL_A = arg->display.vtotal_a;
-			if (arg->display_write_mask & REGRWBITS_VTOTAL_B)
-				dev_priv->saveVTOTAL_B = arg->display.vtotal_b;
-		}
-	}
-
-	if (arg->display_read_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_CONTROLS)
-				arg->display.pfit_controls =
-						PSB_RVDC32(PFIT_CONTROL);
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-				arg->display.pfit_autoscale_ratios =
-						PSB_RVDC32(PFIT_AUTO_RATIOS);
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-				arg->display.pfit_programmed_scale_ratios =
-						PSB_RVDC32(PFIT_PGM_RATIOS);
-			if (arg->display_read_mask & REGRWBITS_PIPEASRC)
-				arg->display.pipeasrc = PSB_RVDC32(PIPEASRC);
-			if (arg->display_read_mask & REGRWBITS_PIPEBSRC)
-				arg->display.pipebsrc = PSB_RVDC32(PIPEBSRC);
-			if (arg->display_read_mask & REGRWBITS_VTOTAL_A)
-				arg->display.vtotal_a = PSB_RVDC32(VTOTAL_A);
-			if (arg->display_read_mask & REGRWBITS_VTOTAL_B)
-				arg->display.vtotal_b = PSB_RVDC32(VTOTAL_B);
-			gma_power_end(dev);
-		} else {
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_CONTROLS)
-				arg->display.pfit_controls =
-						dev_priv->savePFIT_CONTROL;
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-				arg->display.pfit_autoscale_ratios =
-						dev_priv->savePFIT_AUTO_RATIOS;
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-				arg->display.pfit_programmed_scale_ratios =
-						dev_priv->savePFIT_PGM_RATIOS;
-			if (arg->display_read_mask & REGRWBITS_PIPEASRC)
-				arg->display.pipeasrc = dev_priv->savePIPEASRC;
-			if (arg->display_read_mask & REGRWBITS_PIPEBSRC)
-				arg->display.pipebsrc = dev_priv->savePIPEBSRC;
-			if (arg->display_read_mask & REGRWBITS_VTOTAL_A)
-				arg->display.vtotal_a = dev_priv->saveVTOTAL_A;
-			if (arg->display_read_mask & REGRWBITS_VTOTAL_B)
-				arg->display.vtotal_b = dev_priv->saveVTOTAL_B;
-		}
-	}
-
-	if (arg->overlay_write_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) {
-				PSB_WVDC32(arg->overlay.OGAMC5, OV_OGAMC5);
-				PSB_WVDC32(arg->overlay.OGAMC4, OV_OGAMC4);
-				PSB_WVDC32(arg->overlay.OGAMC3, OV_OGAMC3);
-				PSB_WVDC32(arg->overlay.OGAMC2, OV_OGAMC2);
-				PSB_WVDC32(arg->overlay.OGAMC1, OV_OGAMC1);
-				PSB_WVDC32(arg->overlay.OGAMC0, OV_OGAMC0);
-			}
-			if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) {
-				PSB_WVDC32(arg->overlay.OGAMC5, OVC_OGAMC5);
-				PSB_WVDC32(arg->overlay.OGAMC4, OVC_OGAMC4);
-				PSB_WVDC32(arg->overlay.OGAMC3, OVC_OGAMC3);
-				PSB_WVDC32(arg->overlay.OGAMC2, OVC_OGAMC2);
-				PSB_WVDC32(arg->overlay.OGAMC1, OVC_OGAMC1);
-				PSB_WVDC32(arg->overlay.OGAMC0, OVC_OGAMC0);
-			}
-
-			if (arg->overlay_write_mask & OV_REGRWBITS_OVADD) {
-				PSB_WVDC32(arg->overlay.OVADD, OV_OVADD);
-
-				if (arg->overlay.b_wait_vblank) {
-					/* Wait for 20ms.*/
-					unsigned long vblank_timeout = jiffies
-								+ HZ/50;
-					uint32_t temp;
-					while (time_before_eq(jiffies,
-							vblank_timeout)) {
-						temp = PSB_RVDC32(OV_DOVASTA);
-						if ((temp & (0x1 << 31)) != 0)
-							break;
-						cpu_relax();
-					}
-				}
-			}
-			if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD) {
-				PSB_WVDC32(arg->overlay.OVADD, OVC_OVADD);
-				if (arg->overlay.b_wait_vblank) {
-					/* Wait for 20ms.*/
-					unsigned long vblank_timeout =
-							jiffies + HZ/50;
-					uint32_t temp;
-					while (time_before_eq(jiffies,
-							vblank_timeout)) {
-						temp = PSB_RVDC32(OVC_DOVCSTA);
-						if ((temp & (0x1 << 31)) != 0)
-							break;
-						cpu_relax();
-					}
-				}
-			}
-			gma_power_end(dev);
-		} else {
-			if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) {
-				dev_priv->saveOV_OGAMC5 = arg->overlay.OGAMC5;
-				dev_priv->saveOV_OGAMC4 = arg->overlay.OGAMC4;
-				dev_priv->saveOV_OGAMC3 = arg->overlay.OGAMC3;
-				dev_priv->saveOV_OGAMC2 = arg->overlay.OGAMC2;
-				dev_priv->saveOV_OGAMC1 = arg->overlay.OGAMC1;
-				dev_priv->saveOV_OGAMC0 = arg->overlay.OGAMC0;
-			}
-			if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) {
-				dev_priv->saveOVC_OGAMC5 = arg->overlay.OGAMC5;
-				dev_priv->saveOVC_OGAMC4 = arg->overlay.OGAMC4;
-				dev_priv->saveOVC_OGAMC3 = arg->overlay.OGAMC3;
-				dev_priv->saveOVC_OGAMC2 = arg->overlay.OGAMC2;
-				dev_priv->saveOVC_OGAMC1 = arg->overlay.OGAMC1;
-				dev_priv->saveOVC_OGAMC0 = arg->overlay.OGAMC0;
-			}
-			if (arg->overlay_write_mask & OV_REGRWBITS_OVADD)
-				dev_priv->saveOV_OVADD = arg->overlay.OVADD;
-			if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD)
-				dev_priv->saveOVC_OVADD = arg->overlay.OVADD;
-		}
-	}
-
-	if (arg->overlay_read_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) {
-				arg->overlay.OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-				arg->overlay.OGAMC4 = PSB_RVDC32(OV_OGAMC4);
-				arg->overlay.OGAMC3 = PSB_RVDC32(OV_OGAMC3);
-				arg->overlay.OGAMC2 = PSB_RVDC32(OV_OGAMC2);
-				arg->overlay.OGAMC1 = PSB_RVDC32(OV_OGAMC1);
-				arg->overlay.OGAMC0 = PSB_RVDC32(OV_OGAMC0);
-			}
-			if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) {
-				arg->overlay.OGAMC5 = PSB_RVDC32(OVC_OGAMC5);
-				arg->overlay.OGAMC4 = PSB_RVDC32(OVC_OGAMC4);
-				arg->overlay.OGAMC3 = PSB_RVDC32(OVC_OGAMC3);
-				arg->overlay.OGAMC2 = PSB_RVDC32(OVC_OGAMC2);
-				arg->overlay.OGAMC1 = PSB_RVDC32(OVC_OGAMC1);
-				arg->overlay.OGAMC0 = PSB_RVDC32(OVC_OGAMC0);
-			}
-			if (arg->overlay_read_mask & OV_REGRWBITS_OVADD)
-				arg->overlay.OVADD = PSB_RVDC32(OV_OVADD);
-			if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD)
-				arg->overlay.OVADD = PSB_RVDC32(OVC_OVADD);
-			gma_power_end(dev);
-		} else {
-			if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) {
-				arg->overlay.OGAMC5 = dev_priv->saveOV_OGAMC5;
-				arg->overlay.OGAMC4 = dev_priv->saveOV_OGAMC4;
-				arg->overlay.OGAMC3 = dev_priv->saveOV_OGAMC3;
-				arg->overlay.OGAMC2 = dev_priv->saveOV_OGAMC2;
-				arg->overlay.OGAMC1 = dev_priv->saveOV_OGAMC1;
-				arg->overlay.OGAMC0 = dev_priv->saveOV_OGAMC0;
-			}
-			if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) {
-				arg->overlay.OGAMC5 = dev_priv->saveOVC_OGAMC5;
-				arg->overlay.OGAMC4 = dev_priv->saveOVC_OGAMC4;
-				arg->overlay.OGAMC3 = dev_priv->saveOVC_OGAMC3;
-				arg->overlay.OGAMC2 = dev_priv->saveOVC_OGAMC2;
-				arg->overlay.OGAMC1 = dev_priv->saveOVC_OGAMC1;
-				arg->overlay.OGAMC0 = dev_priv->saveOVC_OGAMC0;
-			}
-			if (arg->overlay_read_mask & OV_REGRWBITS_OVADD)
-				arg->overlay.OVADD = dev_priv->saveOV_OVADD;
-			if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD)
-				arg->overlay.OVADD = dev_priv->saveOVC_OVADD;
-		}
-	}
-
-	if (arg->sprite_enable_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			PSB_WVDC32(0x1F3E, DSPARB);
-			PSB_WVDC32(arg->sprite.dspa_control
-					| PSB_RVDC32(DSPACNTR), DSPACNTR);
-			PSB_WVDC32(arg->sprite.dspa_key_value, DSPAKEYVAL);
-			PSB_WVDC32(arg->sprite.dspa_key_mask, DSPAKEYMASK);
-			PSB_WVDC32(PSB_RVDC32(DSPASURF), DSPASURF);
-			PSB_RVDC32(DSPASURF);
-			PSB_WVDC32(arg->sprite.dspc_control, DSPCCNTR);
-			PSB_WVDC32(arg->sprite.dspc_stride, DSPCSTRIDE);
-			PSB_WVDC32(arg->sprite.dspc_position, DSPCPOS);
-			PSB_WVDC32(arg->sprite.dspc_linear_offset, DSPCLINOFF);
-			PSB_WVDC32(arg->sprite.dspc_size, DSPCSIZE);
-			PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF);
-			PSB_RVDC32(DSPCSURF);
-			gma_power_end(dev);
-		}
-	}
-
-	if (arg->sprite_disable_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			PSB_WVDC32(0x3F3E, DSPARB);
-			PSB_WVDC32(0x0, DSPCCNTR);
-			PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF);
-			PSB_RVDC32(DSPCSURF);
-			gma_power_end(dev);
-		}
-	}
-
-	if (arg->subpicture_enable_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			uint32_t temp;
-			if (arg->subpicture_enable_mask & REGRWBITS_DSPACNTR) {
-				temp =  PSB_RVDC32(DSPACNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp &= ~DISPPLANE_BOTTOM;
-				temp |= DISPPLANE_32BPP;
-				PSB_WVDC32(temp, DSPACNTR);
-
-				temp =  PSB_RVDC32(DSPABASE);
-				PSB_WVDC32(temp, DSPABASE);
-				PSB_RVDC32(DSPABASE);
-				temp =  PSB_RVDC32(DSPASURF);
-				PSB_WVDC32(temp, DSPASURF);
-				PSB_RVDC32(DSPASURF);
-			}
-			if (arg->subpicture_enable_mask & REGRWBITS_DSPBCNTR) {
-				temp =  PSB_RVDC32(DSPBCNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp &= ~DISPPLANE_BOTTOM;
-				temp |= DISPPLANE_32BPP;
-				PSB_WVDC32(temp, DSPBCNTR);
-
-				temp =  PSB_RVDC32(DSPBBASE);
-				PSB_WVDC32(temp, DSPBBASE);
-				PSB_RVDC32(DSPBBASE);
-				temp =  PSB_RVDC32(DSPBSURF);
-				PSB_WVDC32(temp, DSPBSURF);
-				PSB_RVDC32(DSPBSURF);
-			}
-			if (arg->subpicture_enable_mask & REGRWBITS_DSPCCNTR) {
-				temp =  PSB_RVDC32(DSPCCNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp &= ~DISPPLANE_BOTTOM;
-				temp |= DISPPLANE_32BPP;
-				PSB_WVDC32(temp, DSPCCNTR);
-
-				temp =  PSB_RVDC32(DSPCBASE);
-				PSB_WVDC32(temp, DSPCBASE);
-				PSB_RVDC32(DSPCBASE);
-				temp =  PSB_RVDC32(DSPCSURF);
-				PSB_WVDC32(temp, DSPCSURF);
-				PSB_RVDC32(DSPCSURF);
-			}
-			gma_power_end(dev);
-		}
-	}
-
-	if (arg->subpicture_disable_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			uint32_t temp;
-			if (arg->subpicture_disable_mask & REGRWBITS_DSPACNTR) {
-				temp =  PSB_RVDC32(DSPACNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp |= DISPPLANE_32BPP_NO_ALPHA;
-				PSB_WVDC32(temp, DSPACNTR);
-
-				temp =  PSB_RVDC32(DSPABASE);
-				PSB_WVDC32(temp, DSPABASE);
-				PSB_RVDC32(DSPABASE);
-				temp =  PSB_RVDC32(DSPASURF);
-				PSB_WVDC32(temp, DSPASURF);
-				PSB_RVDC32(DSPASURF);
-			}
-			if (arg->subpicture_disable_mask & REGRWBITS_DSPBCNTR) {
-				temp =  PSB_RVDC32(DSPBCNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp |= DISPPLANE_32BPP_NO_ALPHA;
-				PSB_WVDC32(temp, DSPBCNTR);
-
-				temp =  PSB_RVDC32(DSPBBASE);
-				PSB_WVDC32(temp, DSPBBASE);
-				PSB_RVDC32(DSPBBASE);
-				temp =  PSB_RVDC32(DSPBSURF);
-				PSB_WVDC32(temp, DSPBSURF);
-				PSB_RVDC32(DSPBSURF);
-			}
-			if (arg->subpicture_disable_mask & REGRWBITS_DSPCCNTR) {
-				temp =  PSB_RVDC32(DSPCCNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp |= DISPPLANE_32BPP_NO_ALPHA;
-				PSB_WVDC32(temp, DSPCCNTR);
-
-				temp =  PSB_RVDC32(DSPCBASE);
-				PSB_WVDC32(temp, DSPCBASE);
-				PSB_RVDC32(DSPCBASE);
-				temp =  PSB_RVDC32(DSPCSURF);
-				PSB_WVDC32(temp, DSPCSURF);
-				PSB_RVDC32(DSPCSURF);
-			}
-			gma_power_end(dev);
-		}
-	}
-
-	return 0;
-}
-
-static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
-{
-	return 0;
-}
-
-static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
-{
-}
-
-static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
-			       unsigned long arg)
-{
-	struct drm_file *file_priv = filp->private_data;
-	struct drm_device *dev = file_priv->minor->dev;
-	int ret;
-	
-	pm_runtime_forbid(dev->dev);
-	ret = drm_ioctl(filp, cmd, arg);
-	pm_runtime_allow(dev->dev);
-	return ret;
-	/* FIXME: do we need to wrap the other side of this */
-}
-
-
-/* When a client dies:
- *    - Check for and clean up flipped page state
- */
-void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
-{
-}
-
-static void psb_remove(struct pci_dev *pdev)
-{
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	drm_put_dev(dev);
-}
-
-static const struct dev_pm_ops psb_pm_ops = {
-	.suspend = gma_power_suspend,
-	.resume = gma_power_resume,
-	.freeze = gma_power_suspend,
-	.thaw = gma_power_resume,
-	.poweroff = gma_power_suspend,
-	.restore = gma_power_resume,
-	.runtime_suspend = psb_runtime_suspend,
-	.runtime_resume = psb_runtime_resume,
-	.runtime_idle = psb_runtime_idle,
-};
-
-static struct vm_operations_struct psb_gem_vm_ops = {
-	.fault = psb_gem_fault,
-	.open = drm_gem_vm_open,
-	.close = drm_gem_vm_close,
-};
-
-static const struct file_operations gma500_driver_fops = {
-	.owner = THIS_MODULE,
-	.open = drm_open,
-	.release = drm_release,
-	.unlocked_ioctl = psb_unlocked_ioctl,
-	.mmap = drm_gem_mmap,
-	.poll = drm_poll,
-	.fasync = drm_fasync,
-	.read = drm_read,
-};
-
-static struct drm_driver driver = {
-	.driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
-			   DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
-	.load = psb_driver_load,
-	.unload = psb_driver_unload,
-
-	.ioctls = psb_ioctls,
-	.num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
-	.device_is_agp = psb_driver_device_is_agp,
-	.irq_preinstall = psb_irq_preinstall,
-	.irq_postinstall = psb_irq_postinstall,
-	.irq_uninstall = psb_irq_uninstall,
-	.irq_handler = psb_irq_handler,
-	.enable_vblank = psb_enable_vblank,
-	.disable_vblank = psb_disable_vblank,
-	.get_vblank_counter = psb_get_vblank_counter,
-	.lastclose = psb_lastclose,
-	.open = psb_driver_open,
-	.preclose = psb_driver_preclose,
-	.postclose = psb_driver_close,
-	.reclaim_buffers = drm_core_reclaim_buffers,
-
-	.gem_init_object = psb_gem_init_object,
-	.gem_free_object = psb_gem_free_object,
-	.gem_vm_ops = &psb_gem_vm_ops,
-	.dumb_create = psb_gem_dumb_create,
-	.dumb_map_offset = psb_gem_dumb_map_gtt,
-	.dumb_destroy = psb_gem_dumb_destroy,
-	.fops = &gma500_driver_fops,
-	.name = DRIVER_NAME,
-	.desc = DRIVER_DESC,
-	.date = PSB_DRM_DRIVER_DATE,
-	.major = PSB_DRM_DRIVER_MAJOR,
-	.minor = PSB_DRM_DRIVER_MINOR,
-	.patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
-};
-
-static struct pci_driver psb_pci_driver = {
-	.name = DRIVER_NAME,
-	.id_table = pciidlist,
-	.probe = psb_probe,
-	.remove = psb_remove,
-	.driver.pm = &psb_pm_ops,
-};
-
-static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
-	return drm_get_pci_dev(pdev, ent, &driver);
-}
-
-static int __init psb_init(void)
-{
-	return drm_pci_init(&driver, &psb_pci_driver);
-}
-
-static void __exit psb_exit(void)
-{
-	drm_pci_exit(&driver, &psb_pci_driver);
-}
-
-late_initcall(psb_init);
-module_exit(psb_exit);
-
-MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h
deleted file mode 100644
index 11d963a055be..000000000000
--- a/drivers/staging/gma500/psb_drv.h
+++ /dev/null
@@ -1,952 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#ifndef _PSB_DRV_H_
-#define _PSB_DRV_H_
-
-#include <linux/kref.h>
-
-#include <drm/drmP.h>
-#include "drm_global.h"
-#include "gem_glue.h"
-#include "psb_drm.h"
-#include "psb_reg.h"
-#include "psb_intel_drv.h"
-#include "gtt.h"
-#include "power.h"
-#include "mrst.h"
-#include "medfield.h"
-
-/* Append new drm mode definition here, align with libdrm definition */
-#define DRM_MODE_SCALE_NO_SCALE   	2
-
-enum {
-	CHIP_PSB_8108 = 0,		/* Poulsbo */
-	CHIP_PSB_8109 = 1,		/* Poulsbo */
-	CHIP_MRST_4100 = 2,		/* Moorestown/Oaktrail */
-	CHIP_MFLD_0130 = 3,		/* Medfield */
-};
-
-#define IS_PSB(dev) (((dev)->pci_device & 0xfffe) == 0x8108)
-#define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100)
-#define IS_MFLD(dev) (((dev)->pci_device & 0xfff8) == 0x0130)
-
-/*
- * Driver definitions
- */
-
-#define DRIVER_NAME "gma500"
-#define DRIVER_DESC "DRM driver for the Intel GMA500"
-
-#define PSB_DRM_DRIVER_DATE "2011-06-06"
-#define PSB_DRM_DRIVER_MAJOR 1
-#define PSB_DRM_DRIVER_MINOR 0
-#define PSB_DRM_DRIVER_PATCHLEVEL 0
-
-/*
- *	Hardware offsets
- */
-#define PSB_VDC_OFFSET		 0x00000000
-#define PSB_VDC_SIZE		 0x000080000
-#define MRST_MMIO_SIZE		 0x0000C0000
-#define MDFLD_MMIO_SIZE          0x000100000
-#define PSB_SGX_SIZE		 0x8000
-#define PSB_SGX_OFFSET		 0x00040000
-#define MRST_SGX_OFFSET		 0x00080000
-/*
- *	PCI resource identifiers
- */
-#define PSB_MMIO_RESOURCE	 0
-#define PSB_GATT_RESOURCE	 2
-#define PSB_GTT_RESOURCE	 3
-/*
- *	PCI configuration
- */
-#define PSB_GMCH_CTRL		 0x52
-#define PSB_BSM			 0x5C
-#define _PSB_GMCH_ENABLED	 0x4
-#define PSB_PGETBL_CTL		 0x2020
-#define _PSB_PGETBL_ENABLED	 0x00000001
-#define PSB_SGX_2D_SLAVE_PORT	 0x4000
-
-/* To get rid of */
-#define PSB_TT_PRIV0_LIMIT	 (256*1024*1024)
-#define PSB_TT_PRIV0_PLIMIT	 (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
-
-/*
- *	SGX side MMU definitions (these can probably go)
- */
-
-/*
- *	Flags for external memory type field.
- */
-#define PSB_MMU_CACHED_MEMORY	  0x0001	/* Bind to MMU only */
-#define PSB_MMU_RO_MEMORY	  0x0002	/* MMU RO memory */
-#define PSB_MMU_WO_MEMORY	  0x0004	/* MMU WO memory */
-/*
- *	PTE's and PDE's
- */
-#define PSB_PDE_MASK		  0x003FFFFF
-#define PSB_PDE_SHIFT		  22
-#define PSB_PTE_SHIFT		  12
-/*
- *	Cache control
- */
-#define PSB_PTE_VALID		  0x0001	/* PTE / PDE valid */
-#define PSB_PTE_WO		  0x0002	/* Write only */
-#define PSB_PTE_RO		  0x0004	/* Read only */
-#define PSB_PTE_CACHED		  0x0008	/* CPU cache coherent */
-
-/*
- *	VDC registers and bits
- */
-#define PSB_MSVDX_CLOCKGATING	  0x2064
-#define PSB_TOPAZ_CLOCKGATING	  0x2068
-#define PSB_HWSTAM		  0x2098
-#define PSB_INSTPM		  0x20C0
-#define PSB_INT_IDENTITY_R        0x20A4
-#define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
-#define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
-#define _PSB_DPST_PIPEB_FLAG      (1<<4)
-#define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
-#define _PSB_VSYNC_PIPEB_FLAG	  (1<<5)
-#define _PSB_DPST_PIPEA_FLAG      (1<<6)
-#define _PSB_PIPEA_EVENT_FLAG     (1<<6)
-#define _PSB_VSYNC_PIPEA_FLAG	  (1<<7)
-#define _MDFLD_MIPIA_FLAG	  (1<<16)
-#define _MDFLD_MIPIC_FLAG	  (1<<17)
-#define _PSB_IRQ_SGX_FLAG	  (1<<18)
-#define _PSB_IRQ_MSVDX_FLAG	  (1<<19)
-#define _LNC_IRQ_TOPAZ_FLAG	  (1<<20)
-
-#define _PSB_PIPE_EVENT_FLAG	(_PSB_VSYNC_PIPEA_FLAG | \
-				 _PSB_VSYNC_PIPEB_FLAG)
-
-/* This flag includes all the display IRQ bits excepts the vblank irqs. */
-#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
-				  _MDFLD_PIPEB_EVENT_FLAG | \
-				  _PSB_PIPEA_EVENT_FLAG | \
-				  _PSB_VSYNC_PIPEA_FLAG | \
-				  _MDFLD_MIPIA_FLAG | \
-				  _MDFLD_MIPIC_FLAG)
-#define PSB_INT_IDENTITY_R	  0x20A4
-#define PSB_INT_MASK_R		  0x20A8
-#define PSB_INT_ENABLE_R	  0x20A0
-
-#define _PSB_MMU_ER_MASK      0x0001FF00
-#define _PSB_MMU_ER_HOST      (1 << 16)
-#define GPIOA			0x5010
-#define GPIOB			0x5014
-#define GPIOC			0x5018
-#define GPIOD			0x501c
-#define GPIOE			0x5020
-#define GPIOF			0x5024
-#define GPIOG			0x5028
-#define GPIOH			0x502c
-#define GPIO_CLOCK_DIR_MASK		(1 << 0)
-#define GPIO_CLOCK_DIR_IN		(0 << 1)
-#define GPIO_CLOCK_DIR_OUT		(1 << 1)
-#define GPIO_CLOCK_VAL_MASK		(1 << 2)
-#define GPIO_CLOCK_VAL_OUT		(1 << 3)
-#define GPIO_CLOCK_VAL_IN		(1 << 4)
-#define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
-#define GPIO_DATA_DIR_MASK		(1 << 8)
-#define GPIO_DATA_DIR_IN		(0 << 9)
-#define GPIO_DATA_DIR_OUT		(1 << 9)
-#define GPIO_DATA_VAL_MASK		(1 << 10)
-#define GPIO_DATA_VAL_OUT		(1 << 11)
-#define GPIO_DATA_VAL_IN		(1 << 12)
-#define GPIO_DATA_PULLUP_DISABLE	(1 << 13)
-
-#define VCLK_DIVISOR_VGA0   0x6000
-#define VCLK_DIVISOR_VGA1   0x6004
-#define VCLK_POST_DIV	    0x6010
-
-#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
-#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
-#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
-#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
-#define PSB_COMM_USER_IRQ (1024 >> 2)
-#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
-#define PSB_COMM_FW (2048 >> 2)
-
-#define PSB_UIRQ_VISTEST	       1
-#define PSB_UIRQ_OOM_REPLY	       2
-#define PSB_UIRQ_FIRE_TA_REPLY	       3
-#define PSB_UIRQ_FIRE_RASTER_REPLY     4
-
-#define PSB_2D_SIZE (256*1024*1024)
-#define PSB_MAX_RELOC_PAGES 1024
-
-#define PSB_LOW_REG_OFFS 0x0204
-#define PSB_HIGH_REG_OFFS 0x0600
-
-#define PSB_NUM_VBLANKS 2
-
-
-#define PSB_2D_SIZE (256*1024*1024)
-#define PSB_MAX_RELOC_PAGES 1024
-
-#define PSB_LOW_REG_OFFS 0x0204
-#define PSB_HIGH_REG_OFFS 0x0600
-
-#define PSB_NUM_VBLANKS 2
-#define PSB_WATCHDOG_DELAY (DRM_HZ * 2)
-#define PSB_LID_DELAY (DRM_HZ / 10)
-
-#define MDFLD_PNW_B0 0x04
-#define MDFLD_PNW_C0 0x08
-
-#define MDFLD_DSR_2D_3D_0 	(1 << 0)
-#define MDFLD_DSR_2D_3D_2 	(1 << 1)
-#define MDFLD_DSR_CURSOR_0 	(1 << 2)
-#define MDFLD_DSR_CURSOR_2	(1 << 3)
-#define MDFLD_DSR_OVERLAY_0 	(1 << 4)
-#define MDFLD_DSR_OVERLAY_2 	(1 << 5)
-#define MDFLD_DSR_MIPI_CONTROL	(1 << 6)
-#define MDFLD_DSR_DAMAGE_MASK_0	((1 << 0) | (1 << 2) | (1 << 4))
-#define MDFLD_DSR_DAMAGE_MASK_2	((1 << 1) | (1 << 3) | (1 << 5))
-#define MDFLD_DSR_2D_3D 	(MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
-
-#define MDFLD_DSR_RR		45
-#define MDFLD_DPU_ENABLE 	(1 << 31)
-#define MDFLD_DSR_FULLSCREEN 	(1 << 30)
-#define MDFLD_DSR_DELAY		(DRM_HZ / MDFLD_DSR_RR)
-
-#define PSB_PWR_STATE_ON		1
-#define PSB_PWR_STATE_OFF		2
-
-#define PSB_PMPOLICY_NOPM		0
-#define PSB_PMPOLICY_CLOCKGATING	1
-#define PSB_PMPOLICY_POWERDOWN		2
-
-#define PSB_PMSTATE_POWERUP		0
-#define PSB_PMSTATE_CLOCKGATED		1
-#define PSB_PMSTATE_POWERDOWN		2
-#define PSB_PCIx_MSI_ADDR_LOC		0x94
-#define PSB_PCIx_MSI_DATA_LOC		0x98
-
-/* Medfield crystal settings */
-#define KSEL_CRYSTAL_19 1
-#define KSEL_BYPASS_19 5
-#define KSEL_BYPASS_25 6
-#define KSEL_BYPASS_83_100 7
-
-struct opregion_header;
-struct opregion_acpi;
-struct opregion_swsci;
-struct opregion_asle;
-
-struct psb_intel_opregion {
-	struct opregion_header *header;
-	struct opregion_acpi *acpi;
-	struct opregion_swsci *swsci;
-	struct opregion_asle *asle;
-	int enabled;
-};
-
-struct psb_ops;
-
-struct drm_psb_private {
-	struct drm_device *dev;
-	const struct psb_ops *ops;
-
-	struct psb_gtt gtt;
-
-	/* GTT Memory manager */
-	struct psb_gtt_mm *gtt_mm;
-	struct page *scratch_page;
-	u32 *gtt_map;
-	uint32_t stolen_base;
-	void *vram_addr;
-	unsigned long vram_stolen_size;
-	int gtt_initialized;
-	u16 gmch_ctrl;		/* Saved GTT setup */
-	u32 pge_ctl;
-
-	struct mutex gtt_mutex;
-	struct resource *gtt_mem;	/* Our PCI resource */
-
-	struct psb_mmu_driver *mmu;
-	struct psb_mmu_pd *pf_pd;
-
-	/*
-	 * Register base
-	 */
-
-	uint8_t *sgx_reg;
-	uint8_t *vdc_reg;
-	uint32_t gatt_free_offset;
-
-	/*
-	 * Fencing / irq.
-	 */
-
-	uint32_t vdc_irq_mask;
-	uint32_t pipestat[PSB_NUM_PIPE];
-
-	spinlock_t irqmask_lock;
-
-	/*
-	 * Power
-	 */
-
-	bool suspended;
-	bool display_power;
-	int display_count;
-
-	/*
-	 * Modesetting
-	 */
-	struct psb_intel_mode_device mode_dev;
-
-	struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
-	struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
-	uint32_t num_pipe;
-
-	/*
-	 * OSPM info (Power management base) (can go ?)
-	 */
-	uint32_t ospm_base;
-
-	/*
-	 * Sizes info
-	 */
-
-	struct drm_psb_sizes_arg sizes;
-
-	u32 fuse_reg_value;
-	u32 video_device_fuse;
-
-	/* PCI revision ID for B0:D2:F0 */
-	uint8_t platform_rev_id;
-
-	/*
-	 * LVDS info
-	 */
-	int backlight_duty_cycle;	/* restore backlight to this value */
-	bool panel_wants_dither;
-	struct drm_display_mode *panel_fixed_mode;
-	struct drm_display_mode *lfp_lvds_vbt_mode;
-	struct drm_display_mode *sdvo_lvds_vbt_mode;
-
-	struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
-	struct psb_intel_i2c_chan *lvds_i2c_bus;
-
-	/* Feature bits from the VBIOS */
-	unsigned int int_tv_support:1;
-	unsigned int lvds_dither:1;
-	unsigned int lvds_vbt:1;
-	unsigned int int_crt_support:1;
-	unsigned int lvds_use_ssc:1;
-	int lvds_ssc_freq;
-	bool is_lvds_on;
-	bool is_mipi_on;
-	u32 mipi_ctrl_display;
-
-	unsigned int core_freq;
-	uint32_t iLVDS_enable;
-
-	/* Runtime PM state */
-	int rpm_enabled;
-
-	/* MID specific */
-	struct mrst_vbt vbt_data;
-	struct mrst_gct_data gct_data;
-
-	/* MIPI Panel type etc */
-	int panel_id;
-	bool dual_mipi;		/* dual display - DPI & DBI */
-	bool dpi_panel_on;	/* The DPI panel power is on */
-	bool dpi_panel_on2;	/* The DPI panel power is on */
-	bool dbi_panel_on;	/* The DBI panel power is on */
-	bool dbi_panel_on2;	/* The DBI panel power is on */
-	u32 dsr_fb_update;	/* DSR FB update counter */
-
-	/* Moorestown HDMI state */
-	struct mrst_hdmi_dev *hdmi_priv;
-
-	/* Moorestown pipe config register value cache */
-	uint32_t pipeconf;
-	uint32_t pipeconf1;
-	uint32_t pipeconf2;
-
-	/* Moorestown plane control register value cache */
-	uint32_t dspcntr;
-	uint32_t dspcntr1;
-	uint32_t dspcntr2;
-
-	/* Moorestown MM backlight cache */
-	uint8_t saveBKLTCNT;
-	uint8_t saveBKLTREQ;
-	uint8_t saveBKLTBRTL;
-
-	/*
-	 * Register state
-	 */
-	uint32_t saveDSPACNTR;
-	uint32_t saveDSPBCNTR;
-	uint32_t savePIPEACONF;
-	uint32_t savePIPEBCONF;
-	uint32_t savePIPEASRC;
-	uint32_t savePIPEBSRC;
-	uint32_t saveFPA0;
-	uint32_t saveFPA1;
-	uint32_t saveDPLL_A;
-	uint32_t saveDPLL_A_MD;
-	uint32_t saveHTOTAL_A;
-	uint32_t saveHBLANK_A;
-	uint32_t saveHSYNC_A;
-	uint32_t saveVTOTAL_A;
-	uint32_t saveVBLANK_A;
-	uint32_t saveVSYNC_A;
-	uint32_t saveDSPASTRIDE;
-	uint32_t saveDSPASIZE;
-	uint32_t saveDSPAPOS;
-	uint32_t saveDSPABASE;
-	uint32_t saveDSPASURF;
-	uint32_t saveDSPASTATUS;
-	uint32_t saveFPB0;
-	uint32_t saveFPB1;
-	uint32_t saveDPLL_B;
-	uint32_t saveDPLL_B_MD;
-	uint32_t saveHTOTAL_B;
-	uint32_t saveHBLANK_B;
-	uint32_t saveHSYNC_B;
-	uint32_t saveVTOTAL_B;
-	uint32_t saveVBLANK_B;
-	uint32_t saveVSYNC_B;
-	uint32_t saveDSPBSTRIDE;
-	uint32_t saveDSPBSIZE;
-	uint32_t saveDSPBPOS;
-	uint32_t saveDSPBBASE;
-	uint32_t saveDSPBSURF;
-	uint32_t saveDSPBSTATUS;
-	uint32_t saveVCLK_DIVISOR_VGA0;
-	uint32_t saveVCLK_DIVISOR_VGA1;
-	uint32_t saveVCLK_POST_DIV;
-	uint32_t saveVGACNTRL;
-	uint32_t saveADPA;
-	uint32_t saveLVDS;
-	uint32_t saveDVOA;
-	uint32_t saveDVOB;
-	uint32_t saveDVOC;
-	uint32_t savePP_ON;
-	uint32_t savePP_OFF;
-	uint32_t savePP_CONTROL;
-	uint32_t savePP_CYCLE;
-	uint32_t savePFIT_CONTROL;
-	uint32_t savePaletteA[256];
-	uint32_t savePaletteB[256];
-	uint32_t saveBLC_PWM_CTL2;
-	uint32_t saveBLC_PWM_CTL;
-	uint32_t saveCLOCKGATING;
-	uint32_t saveDSPARB;
-	uint32_t saveDSPATILEOFF;
-	uint32_t saveDSPBTILEOFF;
-	uint32_t saveDSPAADDR;
-	uint32_t saveDSPBADDR;
-	uint32_t savePFIT_AUTO_RATIOS;
-	uint32_t savePFIT_PGM_RATIOS;
-	uint32_t savePP_ON_DELAYS;
-	uint32_t savePP_OFF_DELAYS;
-	uint32_t savePP_DIVISOR;
-	uint32_t saveBSM;
-	uint32_t saveVBT;
-	uint32_t saveBCLRPAT_A;
-	uint32_t saveBCLRPAT_B;
-	uint32_t saveDSPALINOFF;
-	uint32_t saveDSPBLINOFF;
-	uint32_t savePERF_MODE;
-	uint32_t saveDSPFW1;
-	uint32_t saveDSPFW2;
-	uint32_t saveDSPFW3;
-	uint32_t saveDSPFW4;
-	uint32_t saveDSPFW5;
-	uint32_t saveDSPFW6;
-	uint32_t saveCHICKENBIT;
-	uint32_t saveDSPACURSOR_CTRL;
-	uint32_t saveDSPBCURSOR_CTRL;
-	uint32_t saveDSPACURSOR_BASE;
-	uint32_t saveDSPBCURSOR_BASE;
-	uint32_t saveDSPACURSOR_POS;
-	uint32_t saveDSPBCURSOR_POS;
-	uint32_t save_palette_a[256];
-	uint32_t save_palette_b[256];
-	uint32_t saveOV_OVADD;
-	uint32_t saveOV_OGAMC0;
-	uint32_t saveOV_OGAMC1;
-	uint32_t saveOV_OGAMC2;
-	uint32_t saveOV_OGAMC3;
-	uint32_t saveOV_OGAMC4;
-	uint32_t saveOV_OGAMC5;
-	uint32_t saveOVC_OVADD;
-	uint32_t saveOVC_OGAMC0;
-	uint32_t saveOVC_OGAMC1;
-	uint32_t saveOVC_OGAMC2;
-	uint32_t saveOVC_OGAMC3;
-	uint32_t saveOVC_OGAMC4;
-	uint32_t saveOVC_OGAMC5;
-
-	/* MSI reg save */
-	uint32_t msi_addr;
-	uint32_t msi_data;
-
-	/* Medfield specific register save state */
-	uint32_t saveHDMIPHYMISCCTL;
-	uint32_t saveHDMIB_CONTROL;
-	uint32_t saveDSPCCNTR;
-	uint32_t savePIPECCONF;
-	uint32_t savePIPECSRC;
-	uint32_t saveHTOTAL_C;
-	uint32_t saveHBLANK_C;
-	uint32_t saveHSYNC_C;
-	uint32_t saveVTOTAL_C;
-	uint32_t saveVBLANK_C;
-	uint32_t saveVSYNC_C;
-	uint32_t saveDSPCSTRIDE;
-	uint32_t saveDSPCSIZE;
-	uint32_t saveDSPCPOS;
-	uint32_t saveDSPCSURF;
-	uint32_t saveDSPCSTATUS;
-	uint32_t saveDSPCLINOFF;
-	uint32_t saveDSPCTILEOFF;
-	uint32_t saveDSPCCURSOR_CTRL;
-	uint32_t saveDSPCCURSOR_BASE;
-	uint32_t saveDSPCCURSOR_POS;
-	uint32_t save_palette_c[256];
-	uint32_t saveOV_OVADD_C;
-	uint32_t saveOV_OGAMC0_C;
-	uint32_t saveOV_OGAMC1_C;
-	uint32_t saveOV_OGAMC2_C;
-	uint32_t saveOV_OGAMC3_C;
-	uint32_t saveOV_OGAMC4_C;
-	uint32_t saveOV_OGAMC5_C;
-
-	/* DSI register save */
-	uint32_t saveDEVICE_READY_REG;
-	uint32_t saveINTR_EN_REG;
-	uint32_t saveDSI_FUNC_PRG_REG;
-	uint32_t saveHS_TX_TIMEOUT_REG;
-	uint32_t saveLP_RX_TIMEOUT_REG;
-	uint32_t saveTURN_AROUND_TIMEOUT_REG;
-	uint32_t saveDEVICE_RESET_REG;
-	uint32_t saveDPI_RESOLUTION_REG;
-	uint32_t saveHORIZ_SYNC_PAD_COUNT_REG;
-	uint32_t saveHORIZ_BACK_PORCH_COUNT_REG;
-	uint32_t saveHORIZ_FRONT_PORCH_COUNT_REG;
-	uint32_t saveHORIZ_ACTIVE_AREA_COUNT_REG;
-	uint32_t saveVERT_SYNC_PAD_COUNT_REG;
-	uint32_t saveVERT_BACK_PORCH_COUNT_REG;
-	uint32_t saveVERT_FRONT_PORCH_COUNT_REG;
-	uint32_t saveHIGH_LOW_SWITCH_COUNT_REG;
-	uint32_t saveINIT_COUNT_REG;
-	uint32_t saveMAX_RET_PAK_REG;
-	uint32_t saveVIDEO_FMT_REG;
-	uint32_t saveEOT_DISABLE_REG;
-	uint32_t saveLP_BYTECLK_REG;
-	uint32_t saveHS_LS_DBI_ENABLE_REG;
-	uint32_t saveTXCLKESC_REG;
-	uint32_t saveDPHY_PARAM_REG;
-	uint32_t saveMIPI_CONTROL_REG;
-	uint32_t saveMIPI;
-	uint32_t saveMIPI_C;
-
-	/* DPST register save */
-	uint32_t saveHISTOGRAM_INT_CONTROL_REG;
-	uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
-	uint32_t savePWM_CONTROL_LOGIC;
-
-	/*
-	 * DSI info. 
-	 */
-	void * dbi_dsr_info;	
-	void * dbi_dpu_info;
-	void * dsi_configs[2];
-	/*
-	 * LID-Switch
-	 */
-	spinlock_t lid_lock;
-	struct timer_list lid_timer;
-	struct psb_intel_opregion opregion;
-	u32 *lid_state;
-	u32 lid_last_state;
-
-	/*
-	 * Watchdog
-	 */
-
-	uint32_t apm_reg;
-	uint16_t apm_base;
-
-	/*
-	 * Used for modifying backlight from
-	 * xrandr -- consider removing and using HAL instead
-	 */
-	struct backlight_device *backlight_device;
-	struct drm_property *backlight_property;
-	uint32_t blc_adj1;
-	uint32_t blc_adj2;
-
-	void *fbdev;
-	/* DPST state */
-	uint32_t dsr_idle_count;
-	bool is_in_idle;
-	bool dsr_enable;
-	void (*exit_idle)(struct drm_device *dev, u32 update_src);
-
-	/* 2D acceleration */
-	spinlock_t lock_2d;
-
-	/* FIXME: Arrays anyone ? */
-	struct mdfld_dsi_encoder *encoder0;	
-	struct mdfld_dsi_encoder *encoder2;	
-	struct mdfld_dsi_dbi_output * dbi_output;
-	struct mdfld_dsi_dbi_output * dbi_output2;
-	u32 bpp;
-	u32 bpp2;
-	
-	bool dispstatus;
-};
-
-
-/*
- *	Operations for each board type
- */
- 
-struct psb_ops {
-	const char *name;
-	unsigned int accel_2d:1;
-	int pipes;		/* Number of output pipes */
-	int crtcs;		/* Number of CRTCs */
-	int sgx_offset;		/* Base offset of SGX device */
-
-	/* Sub functions */
-	struct drm_crtc_helper_funcs const *crtc_helper;
-	struct drm_crtc_funcs const *crtc_funcs;
-
-	/* Setup hooks */
-	int (*chip_setup)(struct drm_device *dev);
-	void (*chip_teardown)(struct drm_device *dev);
-
-	/* Display management hooks */
-	int (*output_init)(struct drm_device *dev);
-	/* Power management hooks */
-	void (*init_pm)(struct drm_device *dev);
-	int (*save_regs)(struct drm_device *dev);
-	int (*restore_regs)(struct drm_device *dev);
-	int (*power_up)(struct drm_device *dev);
-	int (*power_down)(struct drm_device *dev);
-
-	void (*lvds_bl_power)(struct drm_device *dev, bool on);
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	/* Backlight */
-	int (*backlight_init)(struct drm_device *dev);
-#endif
-	int i2c_bus;		/* I2C bus identifier for Moorestown */
-};
-
-
-
-struct psb_mmu_driver;
-
-extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
-extern int drm_pick_crtcs(struct drm_device *dev);
-
-static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
-{
-	return (struct drm_psb_private *) dev->dev_private;
-}
-
-/*
- * MMU stuff.
- */
-
-extern struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
-					int trap_pagefaults,
-					int invalid_type,
-					struct drm_psb_private *dev_priv);
-extern void psb_mmu_driver_takedown(struct psb_mmu_driver *driver);
-extern struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver
-						 *driver);
-extern void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, uint32_t mmu_offset,
-			       uint32_t gtt_start, uint32_t gtt_pages);
-extern struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
-					   int trap_pagefaults,
-					   int invalid_type);
-extern void psb_mmu_free_pagedir(struct psb_mmu_pd *pd);
-extern void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot);
-extern void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
-					unsigned long address,
-					uint32_t num_pages);
-extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd,
-				       uint32_t start_pfn,
-				       unsigned long address,
-				       uint32_t num_pages, int type);
-extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
-				  unsigned long *pfn);
-
-/*
- * Enable / disable MMU for different requestors.
- */
-
-
-extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context);
-extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
-				unsigned long address, uint32_t num_pages,
-				uint32_t desired_tile_stride,
-				uint32_t hw_tile_stride, int type);
-extern void psb_mmu_remove_pages(struct psb_mmu_pd *pd,
-				 unsigned long address, uint32_t num_pages,
-				 uint32_t desired_tile_stride,
-				 uint32_t hw_tile_stride);
-/*
- *psb_irq.c
- */
-
-extern irqreturn_t psb_irq_handler(DRM_IRQ_ARGS);
-extern int psb_irq_enable_dpst(struct drm_device *dev);
-extern int psb_irq_disable_dpst(struct drm_device *dev);
-extern void psb_irq_preinstall(struct drm_device *dev);
-extern int psb_irq_postinstall(struct drm_device *dev);
-extern void psb_irq_uninstall(struct drm_device *dev);
-extern void psb_irq_turn_on_dpst(struct drm_device *dev);
-extern void psb_irq_turn_off_dpst(struct drm_device *dev);
-
-extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
-extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
-extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
-extern int psb_enable_vblank(struct drm_device *dev, int crtc);
-extern void psb_disable_vblank(struct drm_device *dev, int crtc);
-void
-psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
-
-void
-psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
-
-extern u32 psb_get_vblank_counter(struct drm_device *dev, int crtc);
-
-extern int mdfld_enable_te(struct drm_device *dev, int pipe);
-extern void mdfld_disable_te(struct drm_device *dev, int pipe);
-
-/*
- * intel_opregion.c
- */
-extern int gma_intel_opregion_init(struct drm_device *dev);
-extern int gma_intel_opregion_exit(struct drm_device *dev);
-
-/*
- * framebuffer.c
- */
-extern int psbfb_probed(struct drm_device *dev);
-extern int psbfb_remove(struct drm_device *dev,
-			struct drm_framebuffer *fb);
-/*
- * accel_2d.c
- */
-extern void psbfb_copyarea(struct fb_info *info,
-					const struct fb_copyarea *region);
-extern int psbfb_sync(struct fb_info *info);
-extern void psb_spank(struct drm_psb_private *dev_priv);
-extern int psb_accel_ioctl(struct drm_device *dev, void *data,
-							struct drm_file *file);
-
-/*
- * psb_reset.c
- */
-
-extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
-extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
-extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
-
-/* modesetting */
-extern void psb_modeset_init(struct drm_device *dev);
-extern void psb_modeset_cleanup(struct drm_device *dev);
-extern int psb_fbdev_init(struct drm_device *dev);
-
-/* backlight.c */
-int gma_backlight_init(struct drm_device *dev);
-void gma_backlight_exit(struct drm_device *dev);
-
-/* mrst_crtc.c */
-extern const struct drm_crtc_helper_funcs mrst_helper_funcs;
-
-/* mrst_lvds.c */
-extern void mrst_lvds_init(struct drm_device *dev,
-		    struct psb_intel_mode_device *mode_dev);
-
-/* psb_intel_display.c */
-extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
-extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
-
-/* psb_intel_lvds.c */
-extern const struct drm_connector_helper_funcs
-					psb_intel_lvds_connector_helper_funcs;
-extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
-
-/* gem.c */
-extern int psb_gem_init_object(struct drm_gem_object *obj);
-extern void psb_gem_free_object(struct drm_gem_object *obj);
-extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
-			struct drm_file *file);
-extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
-			struct drm_mode_create_dumb *args);
-extern int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
-			uint32_t handle);
-extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
-			uint32_t handle, uint64_t *offset);
-extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
-extern int psb_gem_create_ioctl(struct drm_device *dev, void *data,
-			struct drm_file *file);
-extern int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
-					struct drm_file *file);
-
-/* psb_device.c */
-extern const struct psb_ops psb_chip_ops;
-
-/* mrst_device.c */
-extern const struct psb_ops mrst_chip_ops;
-
-/* mdfld_device.c */
-extern const struct psb_ops mdfld_chip_ops;
-
-/* cdv_device.c */
-extern const struct psb_ops cdv_chip_ops;
-
-/*
- * Debug print bits setting
- */
-#define PSB_D_GENERAL (1 << 0)
-#define PSB_D_INIT    (1 << 1)
-#define PSB_D_IRQ     (1 << 2)
-#define PSB_D_ENTRY   (1 << 3)
-/* debug the get H/V BP/FP count */
-#define PSB_D_HV      (1 << 4)
-#define PSB_D_DBI_BF  (1 << 5)
-#define PSB_D_PM      (1 << 6)
-#define PSB_D_RENDER  (1 << 7)
-#define PSB_D_REG     (1 << 8)
-#define PSB_D_MSVDX   (1 << 9)
-#define PSB_D_TOPAZ   (1 << 10)
-
-extern int drm_psb_no_fb;
-extern int drm_idle_check_interval;
-
-/*
- *	Utilities
- */
-
-static inline u32 MRST_MSG_READ32(uint port, uint offset)
-{
-	int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
-	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_read_config_dword(pci_root, 0xD4, &ret_val);
-	pci_dev_put(pci_root);
-	return ret_val;
-}
-static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value)
-{
-	int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD4, value);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_dev_put(pci_root);
-}
-static inline u32 MDFLD_MSG_READ32(uint port, uint offset)
-{
-	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
-	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_read_config_dword(pci_root, 0xD4, &ret_val);
-	pci_dev_put(pci_root);
-	return ret_val;
-}
-static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value)
-{
-	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD4, value);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_dev_put(pci_root);
-}
-
-static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	return ioread32(dev_priv->vdc_reg + reg);
-}
-
-#define REG_READ(reg)	       REGISTER_READ(dev, (reg))
-
-static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
-				      uint32_t val)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	iowrite32((val), dev_priv->vdc_reg + (reg));
-}
-
-#define REG_WRITE(reg, val)	REGISTER_WRITE(dev, (reg), (val))
-
-static inline void REGISTER_WRITE16(struct drm_device *dev,
-					uint32_t reg, uint32_t val)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	iowrite16((val), dev_priv->vdc_reg + (reg));
-}
-
-#define REG_WRITE16(reg, val)	  REGISTER_WRITE16(dev, (reg), (val))
-
-static inline void REGISTER_WRITE8(struct drm_device *dev,
-				       uint32_t reg, uint32_t val)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	iowrite8((val), dev_priv->vdc_reg + (reg));
-}
-
-#define REG_WRITE8(reg, val)		REGISTER_WRITE8(dev, (reg), (val))
-
-#define PSB_WVDC32(_val, _offs)		iowrite32(_val, dev_priv->vdc_reg + (_offs))
-#define PSB_RVDC32(_offs)		ioread32(dev_priv->vdc_reg + (_offs))
-
-/* #define TRAP_SGX_PM_FAULT 1 */
-#ifdef TRAP_SGX_PM_FAULT
-#define PSB_RSGX32(_offs)						\
-({									\
-	if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {		\
-		printk(KERN_ERR						\
-			"access sgx when it's off!! (READ) %s, %d\n",	\
-	       __FILE__, __LINE__);					\
-		melay(1000);						\
-	}								\
-	ioread32(dev_priv->sgx_reg + (_offs));				\
-})
-#else
-#define PSB_RSGX32(_offs)		ioread32(dev_priv->sgx_reg + (_offs))
-#endif
-#define PSB_WSGX32(_val, _offs)		iowrite32(_val, dev_priv->sgx_reg + (_offs))
-
-#define MSVDX_REG_DUMP 0
-
-#define PSB_WMSVDX32(_val, _offs)	iowrite32(_val, dev_priv->msvdx_reg + (_offs))
-#define PSB_RMSVDX32(_offs)		ioread32(dev_priv->msvdx_reg + (_offs))
-
-#endif
diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c
deleted file mode 100644
index 85659613ae62..000000000000
--- a/drivers/staging/gma500/psb_intel_display.c
+++ /dev/null
@@ -1,1429 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drmP.h>
-#include "framebuffer.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_display.h"
-#include "power.h"
-
-#include "mdfld_output.h"
-
-struct psb_intel_clock_t {
-	/* given values */
-	int n;
-	int m1, m2;
-	int p1, p2;
-	/* derived values */
-	int dot;
-	int vco;
-	int m;
-	int p;
-};
-
-struct psb_intel_range_t {
-	int min, max;
-};
-
-struct psb_intel_p2_t {
-	int dot_limit;
-	int p2_slow, p2_fast;
-};
-
-#define INTEL_P2_NUM		      2
-
-struct psb_intel_limit_t {
-	struct psb_intel_range_t dot, vco, n, m, m1, m2, p, p1;
-	struct psb_intel_p2_t p2;
-};
-
-#define I8XX_DOT_MIN		  25000
-#define I8XX_DOT_MAX		 350000
-#define I8XX_VCO_MIN		 930000
-#define I8XX_VCO_MAX		1400000
-#define I8XX_N_MIN		      3
-#define I8XX_N_MAX		     16
-#define I8XX_M_MIN		     96
-#define I8XX_M_MAX		    140
-#define I8XX_M1_MIN		     18
-#define I8XX_M1_MAX		     26
-#define I8XX_M2_MIN		      6
-#define I8XX_M2_MAX		     16
-#define I8XX_P_MIN		      4
-#define I8XX_P_MAX		    128
-#define I8XX_P1_MIN		      2
-#define I8XX_P1_MAX		     33
-#define I8XX_P1_LVDS_MIN	      1
-#define I8XX_P1_LVDS_MAX	      6
-#define I8XX_P2_SLOW		      4
-#define I8XX_P2_FAST		      2
-#define I8XX_P2_LVDS_SLOW	      14
-#define I8XX_P2_LVDS_FAST	      14	/* No fast option */
-#define I8XX_P2_SLOW_LIMIT	 165000
-
-#define I9XX_DOT_MIN		  20000
-#define I9XX_DOT_MAX		 400000
-#define I9XX_VCO_MIN		1400000
-#define I9XX_VCO_MAX		2800000
-#define I9XX_N_MIN		      3
-#define I9XX_N_MAX		      8
-#define I9XX_M_MIN		     70
-#define I9XX_M_MAX		    120
-#define I9XX_M1_MIN		     10
-#define I9XX_M1_MAX		     20
-#define I9XX_M2_MIN		      5
-#define I9XX_M2_MAX		      9
-#define I9XX_P_SDVO_DAC_MIN	      5
-#define I9XX_P_SDVO_DAC_MAX	     80
-#define I9XX_P_LVDS_MIN		      7
-#define I9XX_P_LVDS_MAX		     98
-#define I9XX_P1_MIN		      1
-#define I9XX_P1_MAX		      8
-#define I9XX_P2_SDVO_DAC_SLOW		     10
-#define I9XX_P2_SDVO_DAC_FAST		      5
-#define I9XX_P2_SDVO_DAC_SLOW_LIMIT	 200000
-#define I9XX_P2_LVDS_SLOW		     14
-#define I9XX_P2_LVDS_FAST		      7
-#define I9XX_P2_LVDS_SLOW_LIMIT		 112000
-
-#define INTEL_LIMIT_I8XX_DVO_DAC    0
-#define INTEL_LIMIT_I8XX_LVDS	    1
-#define INTEL_LIMIT_I9XX_SDVO_DAC   2
-#define INTEL_LIMIT_I9XX_LVDS	    3
-
-static const struct psb_intel_limit_t psb_intel_limits[] = {
-	{			/* INTEL_LIMIT_I8XX_DVO_DAC */
-	 .dot = {.min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX},
-	 .vco = {.min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX},
-	 .n = {.min = I8XX_N_MIN, .max = I8XX_N_MAX},
-	 .m = {.min = I8XX_M_MIN, .max = I8XX_M_MAX},
-	 .m1 = {.min = I8XX_M1_MIN, .max = I8XX_M1_MAX},
-	 .m2 = {.min = I8XX_M2_MIN, .max = I8XX_M2_MAX},
-	 .p = {.min = I8XX_P_MIN, .max = I8XX_P_MAX},
-	 .p1 = {.min = I8XX_P1_MIN, .max = I8XX_P1_MAX},
-	 .p2 = {.dot_limit = I8XX_P2_SLOW_LIMIT,
-		.p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST},
-	 },
-	{			/* INTEL_LIMIT_I8XX_LVDS */
-	 .dot = {.min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX},
-	 .vco = {.min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX},
-	 .n = {.min = I8XX_N_MIN, .max = I8XX_N_MAX},
-	 .m = {.min = I8XX_M_MIN, .max = I8XX_M_MAX},
-	 .m1 = {.min = I8XX_M1_MIN, .max = I8XX_M1_MAX},
-	 .m2 = {.min = I8XX_M2_MIN, .max = I8XX_M2_MAX},
-	 .p = {.min = I8XX_P_MIN, .max = I8XX_P_MAX},
-	 .p1 = {.min = I8XX_P1_LVDS_MIN, .max = I8XX_P1_LVDS_MAX},
-	 .p2 = {.dot_limit = I8XX_P2_SLOW_LIMIT,
-		.p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST},
-	 },
-	{			/* INTEL_LIMIT_I9XX_SDVO_DAC */
-	 .dot = {.min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX},
-	 .vco = {.min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX},
-	 .n = {.min = I9XX_N_MIN, .max = I9XX_N_MAX},
-	 .m = {.min = I9XX_M_MIN, .max = I9XX_M_MAX},
-	 .m1 = {.min = I9XX_M1_MIN, .max = I9XX_M1_MAX},
-	 .m2 = {.min = I9XX_M2_MIN, .max = I9XX_M2_MAX},
-	 .p = {.min = I9XX_P_SDVO_DAC_MIN, .max = I9XX_P_SDVO_DAC_MAX},
-	 .p1 = {.min = I9XX_P1_MIN, .max = I9XX_P1_MAX},
-	 .p2 = {.dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
-		.p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast =
-		I9XX_P2_SDVO_DAC_FAST},
-	 },
-	{			/* INTEL_LIMIT_I9XX_LVDS */
-	 .dot = {.min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX},
-	 .vco = {.min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX},
-	 .n = {.min = I9XX_N_MIN, .max = I9XX_N_MAX},
-	 .m = {.min = I9XX_M_MIN, .max = I9XX_M_MAX},
-	 .m1 = {.min = I9XX_M1_MIN, .max = I9XX_M1_MAX},
-	 .m2 = {.min = I9XX_M2_MIN, .max = I9XX_M2_MAX},
-	 .p = {.min = I9XX_P_LVDS_MIN, .max = I9XX_P_LVDS_MAX},
-	 .p1 = {.min = I9XX_P1_MIN, .max = I9XX_P1_MAX},
-	 /* The single-channel range is 25-112Mhz, and dual-channel
-	  * is 80-224Mhz.  Prefer single channel as much as possible.
-	  */
-	 .p2 = {.dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
-		.p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST},
-	 },
-};
-
-static const struct psb_intel_limit_t *psb_intel_limit(struct drm_crtc *crtc)
-{
-	const struct psb_intel_limit_t *limit;
-
-	if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
-		limit = &psb_intel_limits[INTEL_LIMIT_I9XX_LVDS];
-	else
-		limit = &psb_intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC];
-	return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-
-static void i8xx_clock(int refclk, struct psb_intel_clock_t *clock)
-{
-	clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-	clock->p = clock->p1 * clock->p2;
-	clock->vco = refclk * clock->m / (clock->n + 2);
-	clock->dot = clock->vco / clock->p;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 9xx chips. */
-
-static void i9xx_clock(int refclk, struct psb_intel_clock_t *clock)
-{
-	clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-	clock->p = clock->p1 * clock->p2;
-	clock->vco = refclk * clock->m / (clock->n + 2);
-	clock->dot = clock->vco / clock->p;
-}
-
-static void psb_intel_clock(struct drm_device *dev, int refclk,
-			struct psb_intel_clock_t *clock)
-{
-	return i9xx_clock(refclk, clock);
-}
-
-/**
- * Returns whether any output on the specified pipe is of the specified type
- */
-bool psb_intel_pipe_has_type(struct drm_crtc *crtc, int type)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *l_entry;
-
-	list_for_each_entry(l_entry, &mode_config->connector_list, head) {
-		if (l_entry->encoder && l_entry->encoder->crtc == crtc) {
-			struct psb_intel_output *psb_intel_output =
-			    to_psb_intel_output(l_entry);
-			if (psb_intel_output->type == type)
-				return true;
-		}
-	}
-	return false;
-}
-
-#define INTELPllInvalid(s)   { /* ErrorF (s) */; return false; }
-/**
- * Returns whether the given set of divisors are valid for a given refclk with
- * the given connectors.
- */
-
-static bool psb_intel_PLL_is_valid(struct drm_crtc *crtc,
-			       struct psb_intel_clock_t *clock)
-{
-	const struct psb_intel_limit_t *limit = psb_intel_limit(crtc);
-
-	if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
-		INTELPllInvalid("p1 out of range\n");
-	if (clock->p < limit->p.min || limit->p.max < clock->p)
-		INTELPllInvalid("p out of range\n");
-	if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2)
-		INTELPllInvalid("m2 out of range\n");
-	if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
-		INTELPllInvalid("m1 out of range\n");
-	if (clock->m1 <= clock->m2)
-		INTELPllInvalid("m1 <= m2\n");
-	if (clock->m < limit->m.min || limit->m.max < clock->m)
-		INTELPllInvalid("m out of range\n");
-	if (clock->n < limit->n.min || limit->n.max < clock->n)
-		INTELPllInvalid("n out of range\n");
-	if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
-		INTELPllInvalid("vco out of range\n");
-	/* XXX: We may need to be checking "Dot clock"
-	 * depending on the multiplier, connector, etc.,
-	 * rather than just a single range.
-	 */
-	if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
-		INTELPllInvalid("dot out of range\n");
-
-	return true;
-}
-
-/**
- * Returns a set of divisors for the desired target clock with the given
- * refclk, or FALSE.  The returned values represent the clock equation:
- * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
- */
-static bool psb_intel_find_best_PLL(struct drm_crtc *crtc, int target,
-				int refclk,
-				struct psb_intel_clock_t *best_clock)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_clock_t clock;
-	const struct psb_intel_limit_t *limit = psb_intel_limit(crtc);
-	int err = target;
-
-	if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
-	    (REG_READ(LVDS) & LVDS_PORT_EN) != 0) {
-		/*
-		 * For LVDS, if the panel is on, just rely on its current
-		 * settings for dual-channel.  We haven't figured out how to
-		 * reliably set up different single/dual channel state, if we
-		 * even can.
-		 */
-		if ((REG_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
-		    LVDS_CLKB_POWER_UP)
-			clock.p2 = limit->p2.p2_fast;
-		else
-			clock.p2 = limit->p2.p2_slow;
-	} else {
-		if (target < limit->p2.dot_limit)
-			clock.p2 = limit->p2.p2_slow;
-		else
-			clock.p2 = limit->p2.p2_fast;
-	}
-
-	memset(best_clock, 0, sizeof(*best_clock));
-
-	for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max;
-	     clock.m1++) {
-		for (clock.m2 = limit->m2.min;
-		     clock.m2 < clock.m1 && clock.m2 <= limit->m2.max;
-		     clock.m2++) {
-			for (clock.n = limit->n.min;
-			     clock.n <= limit->n.max; clock.n++) {
-				for (clock.p1 = limit->p1.min;
-				     clock.p1 <= limit->p1.max;
-				     clock.p1++) {
-					int this_err;
-
-					psb_intel_clock(dev, refclk, &clock);
-
-					if (!psb_intel_PLL_is_valid
-					    (crtc, &clock))
-						continue;
-
-					this_err = abs(clock.dot - target);
-					if (this_err < err) {
-						*best_clock = clock;
-						err = this_err;
-					}
-				}
-			}
-		}
-	}
-
-	return err != target;
-}
-
-void psb_intel_wait_for_vblank(struct drm_device *dev)
-{
-	/* Wait for 20ms, i.e. one cycle at 50hz. */
-	mdelay(20);
-}
-
-int psb_intel_pipe_set_base(struct drm_crtc *crtc,
-			    int x, int y, struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_i915_master_private *master_priv; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-	int pipe = psb_intel_crtc->pipe;
-	unsigned long start, offset;
-	int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE);
-	int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
-	int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	u32 dspcntr;
-	int ret = 0;
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	/* no fb bound */
-	if (!crtc->fb) {
-		dev_dbg(dev->dev, "No FB bound\n");
-		goto psb_intel_pipe_cleaner;
-	}
-
-	/* We are displaying this buffer, make sure it is actually loaded
-	   into the GTT */
-	ret = psb_gtt_pin(psbfb->gtt);
-	if (ret < 0)
-		goto psb_intel_pipe_set_base_exit;
-	start = psbfb->gtt->offset;
-
-	offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-	REG_WRITE(dspstride, crtc->fb->pitches[0]);
-
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-	switch (crtc->fb->bits_per_pixel) {
-	case 8:
-		dspcntr |= DISPPLANE_8BPP;
-		break;
-	case 16:
-		if (crtc->fb->depth == 15)
-			dspcntr |= DISPPLANE_15_16BPP;
-		else
-			dspcntr |= DISPPLANE_16BPP;
-		break;
-	case 24:
-	case 32:
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown color depth\n");
-		ret = -EINVAL;
-		psb_gtt_unpin(psbfb->gtt);
-		goto psb_intel_pipe_set_base_exit;
-	}
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-
-	if (0 /* FIXMEAC - check what PSB needs */) {
-		REG_WRITE(dspbase, offset);
-		REG_READ(dspbase);
-		REG_WRITE(dspsurf, start);
-		REG_READ(dspsurf);
-	} else {
-		REG_WRITE(dspbase, start + offset);
-		REG_READ(dspbase);
-	}
-
-psb_intel_pipe_cleaner:
-	/* If there was a previous display we can now unpin it */
-	if (old_fb)
-		psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
-
-psb_intel_pipe_set_base_exit:
-	gma_power_end(dev);
-	return ret;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void psb_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_i915_master_private *master_priv; */
-	/* struct drm_i915_private *dev_priv = dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	u32 temp;
-	bool enabled;
-
-	/* XXX: When our outputs are all unaware of DPMS modes other than off
-	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-	 */
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable the DPLL */
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) == 0) {
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-		}
-
-		/* Enable the pipe */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) == 0)
-			REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-
-		/* Enable the plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		}
-
-		psb_intel_crtc_load_lut(crtc);
-
-		/* Give the overlay scaler a chance to enable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
-		break;
-	case DRM_MODE_DPMS_OFF:
-		/* Give the overlay scaler a chance to disable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-
-		/* Disable the VGA plane that we never use */
-		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-		/* Disable display plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp & ~DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-			REG_READ(dspbase_reg);
-		}
-
-		/* Next, disable display pipes */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
-			REG_READ(pipeconf_reg);
-		}
-
-		/* Wait for vblank for the disable to take effect. */
-		psb_intel_wait_for_vblank(dev);
-
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) != 0) {
-			REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-		}
-
-		/* Wait for the clocks to turn off. */
-		udelay(150);
-		break;
-	}
-
-	enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-
-	/*Set FIFO Watermarks*/
-	REG_WRITE(DSPARB, 0x3F3E);
-}
-
-static void psb_intel_crtc_prepare(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void psb_intel_crtc_commit(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-void psb_intel_encoder_prepare(struct drm_encoder *encoder)
-{
-	struct drm_encoder_helper_funcs *encoder_funcs =
-	    encoder->helper_private;
-	/* lvds has its own version of prepare see psb_intel_lvds_prepare */
-	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
-}
-
-void psb_intel_encoder_commit(struct drm_encoder *encoder)
-{
-	struct drm_encoder_helper_funcs *encoder_funcs =
-	    encoder->helper_private;
-	/* lvds has its own version of commit see psb_intel_lvds_commit */
-	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
-}
-
-static bool psb_intel_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int psb_intel_panel_fitter_pipe(struct drm_device *dev)
-{
-	u32 pfit_control;
-
-	pfit_control = REG_READ(PFIT_CONTROL);
-
-	/* See if the panel fitter is in use */
-	if ((pfit_control & PFIT_ENABLE) == 0)
-		return -1;
-	/* Must be on PIPE 1 for PSB */
-	return 1;
-}
-
-static int psb_intel_crtc_mode_set(struct drm_crtc *crtc,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode,
-			       int x, int y,
-			       struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	int pipe = psb_intel_crtc->pipe;
-	int fp_reg = (pipe == 0) ? FPA0 : FPB0;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-	int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-	int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-	int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-	int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-	int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-	int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
-	int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
-	int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-	int refclk;
-	struct psb_intel_clock_t clock;
-	u32 dpll = 0, fp = 0, dspcntr, pipeconf;
-	bool ok, is_sdvo = false, is_dvo = false;
-	bool is_crt = false, is_lvds = false, is_tv = false;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *connector;
-
-	/* No scan out no play */
-	if (crtc->fb == NULL) {
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-		return 0;
-	}
-
-	list_for_each_entry(connector, &mode_config->connector_list, head) {
-		struct psb_intel_output *psb_intel_output =
-		    to_psb_intel_output(connector);
-
-		if (!connector->encoder
-		    || connector->encoder->crtc != crtc)
-			continue;
-
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-			is_lvds = true;
-			break;
-		case INTEL_OUTPUT_SDVO:
-			is_sdvo = true;
-			break;
-		case INTEL_OUTPUT_DVO:
-			is_dvo = true;
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			is_tv = true;
-			break;
-		case INTEL_OUTPUT_ANALOG:
-			is_crt = true;
-			break;
-		}
-	}
-
-	refclk = 96000;
-
-	ok = psb_intel_find_best_PLL(crtc, adjusted_mode->clock, refclk,
-				 &clock);
-	if (!ok) {
-		dev_err(dev->dev, "Couldn't find PLL settings for mode!\n");
-		return 0;
-	}
-
-	fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
-
-	dpll = DPLL_VGA_MODE_DIS;
-	if (is_lvds) {
-		dpll |= DPLLB_MODE_LVDS;
-		dpll |= DPLL_DVO_HIGH_SPEED;
-	} else
-		dpll |= DPLLB_MODE_DAC_SERIAL;
-	if (is_sdvo) {
-		int sdvo_pixel_multiply =
-			    adjusted_mode->clock / mode->clock;
-		dpll |= DPLL_DVO_HIGH_SPEED;
-		dpll |=
-		    (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
-	}
-
-	/* compute bitmask from p1 value */
-	dpll |= (1 << (clock.p1 - 1)) << 16;
-	switch (clock.p2) {
-	case 5:
-		dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
-		break;
-	case 7:
-		dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7;
-		break;
-	case 10:
-		dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10;
-		break;
-	case 14:
-		dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
-		break;
-	}
-
-	if (is_tv) {
-		/* XXX: just matching BIOS for now */
-/*	dpll |= PLL_REF_INPUT_TVCLKINBC; */
-		dpll |= 3;
-	}
-	dpll |= PLL_REF_INPUT_DREFCLK;
-
-	/* setup pipeconf */
-	pipeconf = REG_READ(pipeconf_reg);
-
-	/* Set up the display plane register */
-	dspcntr = DISPPLANE_GAMMA_ENABLE;
-
-	if (pipe == 0)
-		dspcntr |= DISPPLANE_SEL_PIPE_A;
-	else
-		dspcntr |= DISPPLANE_SEL_PIPE_B;
-
-	dspcntr |= DISPLAY_PLANE_ENABLE;
-	pipeconf |= PIPEACONF_ENABLE;
-	dpll |= DPLL_VCO_ENABLE;
-
-
-	/* Disable the panel fitter if it was on our pipe */
-	if (psb_intel_panel_fitter_pipe(dev) == pipe)
-		REG_WRITE(PFIT_CONTROL, 0);
-
-	drm_mode_debug_printmodeline(mode);
-
-	if (dpll & DPLL_VCO_ENABLE) {
-		REG_WRITE(fp_reg, fp);
-		REG_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
-		REG_READ(dpll_reg);
-		udelay(150);
-	}
-
-	/* The LVDS pin pair needs to be on before the DPLLs are enabled.
-	 * This is an exception to the general rule that mode_set doesn't turn
-	 * things on.
-	 */
-	if (is_lvds) {
-		u32 lvds = REG_READ(LVDS);
-
-		lvds &= ~LVDS_PIPEB_SELECT;
-		if (pipe == 1)
-			lvds |= LVDS_PIPEB_SELECT;
-
-		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
-		/* Set the B0-B3 data pairs corresponding to
-		 * whether we're going to
-		 * set the DPLLs for dual-channel mode or not.
-		 */
-		lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
-		if (clock.p2 == 7)
-			lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
-
-		/* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
-		 * appropriately here, but we need to look more
-		 * thoroughly into how panels behave in the two modes.
-		 */
-
-		REG_WRITE(LVDS, lvds);
-		REG_READ(LVDS);
-	}
-
-	REG_WRITE(fp_reg, fp);
-	REG_WRITE(dpll_reg, dpll);
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
-
-	/* write it again -- the BIOS does, after all */
-	REG_WRITE(dpll_reg, dpll);
-
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
-
-	REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-		  ((adjusted_mode->crtc_htotal - 1) << 16));
-	REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-		  ((adjusted_mode->crtc_hblank_end - 1) << 16));
-	REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-		  ((adjusted_mode->crtc_hsync_end - 1) << 16));
-	REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-		  ((adjusted_mode->crtc_vtotal - 1) << 16));
-	REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-		  ((adjusted_mode->crtc_vblank_end - 1) << 16));
-	REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-		  ((adjusted_mode->crtc_vsync_end - 1) << 16));
-	/* pipesrc and dspsize control the size that is scaled from,
-	 * which should always be the user's requested size.
-	 */
-	REG_WRITE(dspsize_reg,
-		  ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-	REG_WRITE(dsppos_reg, 0);
-	REG_WRITE(pipesrc_reg,
-		  ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-
-	psb_intel_wait_for_vblank(dev);
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	/* Flush the plane changes */
-	crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-
-	psb_intel_wait_for_vblank(dev);
-
-	return 0;
-}
-
-/** Loads the palette/gamma unit for the CRTC with the prepared values */
-void psb_intel_crtc_load_lut(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv =
-				(struct drm_psb_private *)dev->dev_private;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int palreg = PALETTE_A;
-	int i;
-
-	/* The clocks have to be on to load the palette. */
-	if (!crtc->enabled)
-		return;
-
-	switch (psb_intel_crtc->pipe) {
-	case 0:
-		break;
-	case 1:
-		palreg = PALETTE_B;
-		break;
-	case 2:
-		palreg = PALETTE_C;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return;
-	}
-
-	if (gma_power_begin(dev, false)) {
-		for (i = 0; i < 256; i++) {
-			REG_WRITE(palreg + 4 * i,
-				  ((psb_intel_crtc->lut_r[i] +
-				  psb_intel_crtc->lut_adj[i]) << 16) |
-				  ((psb_intel_crtc->lut_g[i] +
-				  psb_intel_crtc->lut_adj[i]) << 8) |
-				  (psb_intel_crtc->lut_b[i] +
-				  psb_intel_crtc->lut_adj[i]));
-		}
-		gma_power_end(dev);
-	} else {
-		for (i = 0; i < 256; i++) {
-			dev_priv->save_palette_a[i] =
-				  ((psb_intel_crtc->lut_r[i] +
-				  psb_intel_crtc->lut_adj[i]) << 16) |
-				  ((psb_intel_crtc->lut_g[i] +
-				  psb_intel_crtc->lut_adj[i]) << 8) |
-				  (psb_intel_crtc->lut_b[i] +
-				  psb_intel_crtc->lut_adj[i]);
-		}
-
-	}
-}
-
-/**
- * Save HW states of giving crtc
- */
-static void psb_intel_crtc_save(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_psb_private *dev_priv =
-			(struct drm_psb_private *)dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-	int pipeA = (psb_intel_crtc->pipe == 0);
-	uint32_t paletteReg;
-	int i;
-
-	if (!crtc_state) {
-		dev_err(dev->dev, "No CRTC state found\n");
-		return;
-	}
-
-	crtc_state->saveDSPCNTR = REG_READ(pipeA ? DSPACNTR : DSPBCNTR);
-	crtc_state->savePIPECONF = REG_READ(pipeA ? PIPEACONF : PIPEBCONF);
-	crtc_state->savePIPESRC = REG_READ(pipeA ? PIPEASRC : PIPEBSRC);
-	crtc_state->saveFP0 = REG_READ(pipeA ? FPA0 : FPB0);
-	crtc_state->saveFP1 = REG_READ(pipeA ? FPA1 : FPB1);
-	crtc_state->saveDPLL = REG_READ(pipeA ? DPLL_A : DPLL_B);
-	crtc_state->saveHTOTAL = REG_READ(pipeA ? HTOTAL_A : HTOTAL_B);
-	crtc_state->saveHBLANK = REG_READ(pipeA ? HBLANK_A : HBLANK_B);
-	crtc_state->saveHSYNC = REG_READ(pipeA ? HSYNC_A : HSYNC_B);
-	crtc_state->saveVTOTAL = REG_READ(pipeA ? VTOTAL_A : VTOTAL_B);
-	crtc_state->saveVBLANK = REG_READ(pipeA ? VBLANK_A : VBLANK_B);
-	crtc_state->saveVSYNC = REG_READ(pipeA ? VSYNC_A : VSYNC_B);
-	crtc_state->saveDSPSTRIDE = REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE);
-
-	/*NOTE: DSPSIZE DSPPOS only for psb*/
-	crtc_state->saveDSPSIZE = REG_READ(pipeA ? DSPASIZE : DSPBSIZE);
-	crtc_state->saveDSPPOS = REG_READ(pipeA ? DSPAPOS : DSPBPOS);
-
-	crtc_state->saveDSPBASE = REG_READ(pipeA ? DSPABASE : DSPBBASE);
-
-	paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-	for (i = 0; i < 256; ++i)
-		crtc_state->savePalette[i] = REG_READ(paletteReg + (i << 2));
-}
-
-/**
- * Restore HW states of giving crtc
- */
-static void psb_intel_crtc_restore(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_psb_private * dev_priv =
-				(struct drm_psb_private *)dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc =  to_psb_intel_crtc(crtc);
-	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-	/* struct drm_crtc_helper_funcs * crtc_funcs = crtc->helper_private; */
-	int pipeA = (psb_intel_crtc->pipe == 0);
-	uint32_t paletteReg;
-	int i;
-
-	if (!crtc_state) {
-		dev_err(dev->dev, "No crtc state\n");
-		return;
-	}
-
-	if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) {
-		REG_WRITE(pipeA ? DPLL_A : DPLL_B,
-			crtc_state->saveDPLL & ~DPLL_VCO_ENABLE);
-		REG_READ(pipeA ? DPLL_A : DPLL_B);
-		udelay(150);
-	}
-
-	REG_WRITE(pipeA ? FPA0 : FPB0, crtc_state->saveFP0);
-	REG_READ(pipeA ? FPA0 : FPB0);
-
-	REG_WRITE(pipeA ? FPA1 : FPB1, crtc_state->saveFP1);
-	REG_READ(pipeA ? FPA1 : FPB1);
-
-	REG_WRITE(pipeA ? DPLL_A : DPLL_B, crtc_state->saveDPLL);
-	REG_READ(pipeA ? DPLL_A : DPLL_B);
-	udelay(150);
-
-	REG_WRITE(pipeA ? HTOTAL_A : HTOTAL_B, crtc_state->saveHTOTAL);
-	REG_WRITE(pipeA ? HBLANK_A : HBLANK_B, crtc_state->saveHBLANK);
-	REG_WRITE(pipeA ? HSYNC_A : HSYNC_B, crtc_state->saveHSYNC);
-	REG_WRITE(pipeA ? VTOTAL_A : VTOTAL_B, crtc_state->saveVTOTAL);
-	REG_WRITE(pipeA ? VBLANK_A : VBLANK_B, crtc_state->saveVBLANK);
-	REG_WRITE(pipeA ? VSYNC_A : VSYNC_B, crtc_state->saveVSYNC);
-	REG_WRITE(pipeA ? DSPASTRIDE : DSPBSTRIDE, crtc_state->saveDSPSTRIDE);
-
-	REG_WRITE(pipeA ? DSPASIZE : DSPBSIZE, crtc_state->saveDSPSIZE);
-	REG_WRITE(pipeA ? DSPAPOS : DSPBPOS, crtc_state->saveDSPPOS);
-
-	REG_WRITE(pipeA ? PIPEASRC : PIPEBSRC, crtc_state->savePIPESRC);
-	REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-	REG_WRITE(pipeA ? PIPEACONF : PIPEBCONF, crtc_state->savePIPECONF);
-
-	psb_intel_wait_for_vblank(dev);
-
-	REG_WRITE(pipeA ? DSPACNTR : DSPBCNTR, crtc_state->saveDSPCNTR);
-	REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-
-	psb_intel_wait_for_vblank(dev);
-
-	paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-	for (i = 0; i < 256; ++i)
-		REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]);
-}
-
-static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
-				 struct drm_file *file_priv,
-				 uint32_t handle,
-				 uint32_t width, uint32_t height)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
-	uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
-	uint32_t temp;
-	size_t addr = 0;
-	struct gtt_range *gt;
-	struct drm_gem_object *obj;
-	int ret;
-
-	/* if we want to turn of the cursor ignore width and height */
-	if (!handle) {
-		/* turn off the cursor */
-		temp = CURSOR_MODE_DISABLE;
-
-		if (gma_power_begin(dev, false)) {
-			REG_WRITE(control, temp);
-			REG_WRITE(base, 0);
-			gma_power_end(dev);
-		}
-
-		/* Unpin the old GEM object */
-		if (psb_intel_crtc->cursor_obj) {
-			gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-			psb_gtt_unpin(gt);
-			drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-			psb_intel_crtc->cursor_obj = NULL;
-		}
-
-		return 0;
-	}
-
-	/* Currently we only support 64x64 cursors */
-	if (width != 64 || height != 64) {
-		dev_dbg(dev->dev, "we currently only support 64x64 cursors\n");
-		return -EINVAL;
-	}
-
-	obj = drm_gem_object_lookup(dev, file_priv, handle);
-	if (!obj)
-		return -ENOENT;
-
-	if (obj->size < width * height * 4) {
-		dev_dbg(dev->dev, "buffer is to small\n");
-		return -ENOMEM;
-	}
-
-	gt = container_of(obj, struct gtt_range, gem);
-
-	/* Pin the memory into the GTT */
-	ret = psb_gtt_pin(gt);
-	if (ret) {
-		dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-		return ret;
-	}
-
-
-	addr = gt->offset;	/* Or resource.start ??? */
-
-	psb_intel_crtc->cursor_addr = addr;
-
-	temp = 0;
-	/* set the pipe for the cursor */
-	temp |= (pipe << 28);
-	temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE(control, temp);
-		REG_WRITE(base, addr);
-		gma_power_end(dev);
-	}
-
-	/* unpin the old bo */
-	if (psb_intel_crtc->cursor_obj) {
-		gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-		psb_gtt_unpin(gt);
-		drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-		psb_intel_crtc->cursor_obj = obj;
-	}
-	return 0;
-}
-
-static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t temp = 0;
-	uint32_t addr;
-
-
-	if (x < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
-		x = -x;
-	}
-	if (y < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
-		y = -y;
-	}
-
-	temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-	temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-
-	addr = psb_intel_crtc->cursor_addr;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
-		REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, addr);
-		gma_power_end(dev);
-	}
-	return 0;
-}
-
-void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-			 u16 *green, u16 *blue, uint32_t type, uint32_t size)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int i;
-
-	if (size != 256)
-		return;
-
-	for (i = 0; i < 256; i++) {
-		psb_intel_crtc->lut_r[i] = red[i] >> 8;
-		psb_intel_crtc->lut_g[i] = green[i] >> 8;
-		psb_intel_crtc->lut_b[i] = blue[i] >> 8;
-	}
-
-	psb_intel_crtc_load_lut(crtc);
-}
-
-static int psb_crtc_set_config(struct drm_mode_set *set)
-{
-	int ret;
-	struct drm_device *dev = set->crtc->dev;
-
-	pm_runtime_forbid(&dev->pdev->dev);
-	ret = drm_crtc_helper_set_config(set);
-	pm_runtime_allow(&dev->pdev->dev);
-	return ret;
-}
-
-/* Returns the clock of the currently programmed mode of the given pipe. */
-static int psb_intel_crtc_clock_get(struct drm_device *dev,
-				struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	u32 dpll;
-	u32 fp;
-	struct psb_intel_clock_t clock;
-	bool is_lvds;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (gma_power_begin(dev, false)) {
-		dpll = REG_READ((pipe == 0) ? DPLL_A : DPLL_B);
-		if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-			fp = REG_READ((pipe == 0) ? FPA0 : FPB0);
-		else
-			fp = REG_READ((pipe == 0) ? FPA1 : FPB1);
-		is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN);
-		gma_power_end(dev);
-	} else {
-		dpll = (pipe == 0) ?
-			dev_priv->saveDPLL_A : dev_priv->saveDPLL_B;
-
-		if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-			fp = (pipe == 0) ?
-				dev_priv->saveFPA0 :
-				dev_priv->saveFPB0;
-		else
-			fp = (pipe == 0) ?
-				dev_priv->saveFPA1 :
-				dev_priv->saveFPB1;
-
-		is_lvds = (pipe == 1) && (dev_priv->saveLVDS & LVDS_PORT_EN);
-	}
-
-	clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
-	clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
-	clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
-
-	if (is_lvds) {
-		clock.p1 =
-		    ffs((dpll &
-			 DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
-			DPLL_FPA01_P1_POST_DIV_SHIFT);
-		clock.p2 = 14;
-
-		if ((dpll & PLL_REF_INPUT_MASK) ==
-		    PLLB_REF_INPUT_SPREADSPECTRUMIN) {
-			/* XXX: might not be 66MHz */
-			i8xx_clock(66000, &clock);
-		} else
-			i8xx_clock(48000, &clock);
-	} else {
-		if (dpll & PLL_P1_DIVIDE_BY_TWO)
-			clock.p1 = 2;
-		else {
-			clock.p1 =
-			    ((dpll &
-			      DPLL_FPA01_P1_POST_DIV_MASK_I830) >>
-			     DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
-		}
-		if (dpll & PLL_P2_DIVIDE_BY_4)
-			clock.p2 = 4;
-		else
-			clock.p2 = 2;
-
-		i8xx_clock(48000, &clock);
-	}
-
-	/* XXX: It would be nice to validate the clocks, but we can't reuse
-	 * i830PllIsValid() because it relies on the xf86_config connector
-	 * configuration being accurate, which it isn't necessarily.
-	 */
-
-	return clock.dot;
-}
-
-/** Returns the currently programmed mode of the given pipe. */
-struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
-					     struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	struct drm_display_mode *mode;
-	int htot;
-	int hsync;
-	int vtot;
-	int vsync;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (gma_power_begin(dev, false)) {
-		htot = REG_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B);
-		hsync = REG_READ((pipe == 0) ? HSYNC_A : HSYNC_B);
-		vtot = REG_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B);
-		vsync = REG_READ((pipe == 0) ? VSYNC_A : VSYNC_B);
-		gma_power_end(dev);
-	} else {
-		htot = (pipe == 0) ?
-			dev_priv->saveHTOTAL_A : dev_priv->saveHTOTAL_B;
-		hsync = (pipe == 0) ?
-			dev_priv->saveHSYNC_A : dev_priv->saveHSYNC_B;
-		vtot = (pipe == 0) ?
-			dev_priv->saveVTOTAL_A : dev_priv->saveVTOTAL_B;
-		vsync = (pipe == 0) ?
-			dev_priv->saveVSYNC_A : dev_priv->saveVSYNC_B;
-	}
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode)
-		return NULL;
-
-	mode->clock = psb_intel_crtc_clock_get(dev, crtc);
-	mode->hdisplay = (htot & 0xffff) + 1;
-	mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
-	mode->hsync_start = (hsync & 0xffff) + 1;
-	mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
-	mode->vdisplay = (vtot & 0xffff) + 1;
-	mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
-	mode->vsync_start = (vsync & 0xffff) + 1;
-	mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	return mode;
-}
-
-void psb_intel_crtc_destroy(struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct gtt_range *gt;
-
-	/* Unpin the old GEM object */
-	if (psb_intel_crtc->cursor_obj) {
-		gt = container_of(psb_intel_crtc->cursor_obj,
-						struct gtt_range, gem);
-		psb_gtt_unpin(gt);
-		drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-		psb_intel_crtc->cursor_obj = NULL;
-	}
-	kfree(psb_intel_crtc->crtc_state);
-	drm_crtc_cleanup(crtc);
-	kfree(psb_intel_crtc);
-}
-
-const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
-	.dpms = psb_intel_crtc_dpms,
-	.mode_fixup = psb_intel_crtc_mode_fixup,
-	.mode_set = psb_intel_crtc_mode_set,
-	.mode_set_base = psb_intel_pipe_set_base,
-	.prepare = psb_intel_crtc_prepare,
-	.commit = psb_intel_crtc_commit,
-};
-
-const struct drm_crtc_funcs psb_intel_crtc_funcs = {
-	.save = psb_intel_crtc_save,
-	.restore = psb_intel_crtc_restore,
-	.cursor_set = psb_intel_crtc_cursor_set,
-	.cursor_move = psb_intel_crtc_cursor_move,
-	.gamma_set = psb_intel_crtc_gamma_set,
-	.set_config = psb_crtc_set_config,
-	.destroy = psb_intel_crtc_destroy,
-};
-
-/*
- * Set the default value of cursor control and base register
- * to zero. This is a workaround for h/w defect on Oaktrail
- */
-static void psb_intel_cursor_init(struct drm_device *dev, int pipe)
-{
-	u32 control[3] = { CURACNTR, CURBCNTR, CURCCNTR };
-	u32 base[3] = { CURABASE, CURBBASE, CURCBASE };
-
-	REG_WRITE(control[pipe], 0);
-	REG_WRITE(base[pipe], 0);
-}
-
-void psb_intel_crtc_init(struct drm_device *dev, int pipe,
-		     struct psb_intel_mode_device *mode_dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_intel_crtc *psb_intel_crtc;
-	int i;
-	uint16_t *r_base, *g_base, *b_base;
-
-	/* We allocate a extra array of drm_connector pointers
-	 * for fbdev after the crtc */
-	psb_intel_crtc =
-	    kzalloc(sizeof(struct psb_intel_crtc) +
-		    (INTELFB_CONN_LIMIT * sizeof(struct drm_connector *)),
-		    GFP_KERNEL);
-	if (psb_intel_crtc == NULL)
-		return;
-
-	psb_intel_crtc->crtc_state =
-		kzalloc(sizeof(struct psb_intel_crtc_state), GFP_KERNEL);
-	if (!psb_intel_crtc->crtc_state) {
-		dev_err(dev->dev, "Crtc state error: No memory\n");
-		kfree(psb_intel_crtc);
-		return;
-	}
-
-	/* Set the CRTC operations from the chip specific data */
-	drm_crtc_init(dev, &psb_intel_crtc->base, dev_priv->ops->crtc_funcs);
-
-	drm_mode_crtc_set_gamma_size(&psb_intel_crtc->base, 256);
-	psb_intel_crtc->pipe = pipe;
-	psb_intel_crtc->plane = pipe;
-
-	r_base = psb_intel_crtc->base.gamma_store;
-	g_base = r_base + 256;
-	b_base = g_base + 256;
-	for (i = 0; i < 256; i++) {
-		psb_intel_crtc->lut_r[i] = i;
-		psb_intel_crtc->lut_g[i] = i;
-		psb_intel_crtc->lut_b[i] = i;
-		r_base[i] = i << 8;
-		g_base[i] = i << 8;
-		b_base[i] = i << 8;
-
-		psb_intel_crtc->lut_adj[i] = 0;
-	}
-
-	psb_intel_crtc->mode_dev = mode_dev;
-	psb_intel_crtc->cursor_addr = 0;
-
-	drm_crtc_helper_add(&psb_intel_crtc->base,
-						dev_priv->ops->crtc_helper);
-
-	/* Setup the array of drm_connector pointer array */
-	psb_intel_crtc->mode_set.crtc = &psb_intel_crtc->base;
-	BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
-	       dev_priv->plane_to_crtc_mapping[psb_intel_crtc->plane] != NULL);
-	dev_priv->plane_to_crtc_mapping[psb_intel_crtc->plane] =
-							&psb_intel_crtc->base;
-	dev_priv->pipe_to_crtc_mapping[psb_intel_crtc->pipe] =
-							&psb_intel_crtc->base;
-	psb_intel_crtc->mode_set.connectors =
-	    (struct drm_connector **) (psb_intel_crtc + 1);
-	psb_intel_crtc->mode_set.num_connectors = 0;
-	psb_intel_cursor_init(dev, pipe);
-}
-
-int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_psb_get_pipe_from_crtc_id_arg *pipe_from_crtc_id = data;
-	struct drm_mode_object *drmmode_obj;
-	struct psb_intel_crtc *crtc;
-
-	if (!dev_priv) {
-		dev_err(dev->dev, "called with no initialization\n");
-		return -EINVAL;
-	}
-
-	drmmode_obj = drm_mode_object_find(dev, pipe_from_crtc_id->crtc_id,
-			DRM_MODE_OBJECT_CRTC);
-
-	if (!drmmode_obj) {
-		dev_err(dev->dev, "no such CRTC id\n");
-		return -EINVAL;
-	}
-
-	crtc = to_psb_intel_crtc(obj_to_crtc(drmmode_obj));
-	pipe_from_crtc_id->pipe = crtc->pipe;
-
-	return 0;
-}
-
-struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
-{
-	struct drm_crtc *crtc = NULL;
-
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-		if (psb_intel_crtc->pipe == pipe)
-			break;
-	}
-	return crtc;
-}
-
-int psb_intel_connector_clones(struct drm_device *dev, int type_mask)
-{
-	int index_mask = 0;
-	struct drm_connector *connector;
-	int entry = 0;
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list,
-			    head) {
-		struct psb_intel_output *psb_intel_output =
-		    to_psb_intel_output(connector);
-		if (type_mask & (1 << psb_intel_output->type))
-			index_mask |= (1 << entry);
-		entry++;
-	}
-	return index_mask;
-}
-
-
-void psb_intel_modeset_cleanup(struct drm_device *dev)
-{
-	drm_mode_config_cleanup(dev);
-}
-
-
-/* current intel driver doesn't take advantage of encoders
-   always give back the encoder for the connector
-*/
-struct drm_encoder *psb_intel_best_encoder(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	return &psb_intel_output->enc;
-}
-
diff --git a/drivers/staging/gma500/psb_intel_display.h b/drivers/staging/gma500/psb_intel_display.h
deleted file mode 100644
index 535b49a5e409..000000000000
--- a/drivers/staging/gma500/psb_intel_display.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* copyright (c) 2008, Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- * Eric Anholt <eric@anholt.net>
- */
-
-#ifndef _INTEL_DISPLAY_H_
-#define _INTEL_DISPLAY_H_
-
-bool psb_intel_pipe_has_type(struct drm_crtc *crtc, int type);
-void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-			 u16 *green, u16 *blue, uint32_t type, uint32_t size);
-void psb_intel_crtc_destroy(struct drm_crtc *crtc);
-
-#endif
diff --git a/drivers/staging/gma500/psb_intel_drv.h b/drivers/staging/gma500/psb_intel_drv.h
deleted file mode 100644
index 36b554b5c335..000000000000
--- a/drivers/staging/gma500/psb_intel_drv.h
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * Copyright (c) 2009-2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#ifndef __INTEL_DRV_H__
-#define __INTEL_DRV_H__
-
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <linux/gpio.h>
-
-/*
- * Display related stuff
- */
-
-/* store information about an Ixxx DVO */
-/* The i830->i865 use multiple DVOs with multiple i2cs */
-/* the i915, i945 have a single sDVO i2c bus - which is different */
-#define MAX_OUTPUTS 6
-/* maximum connectors per crtcs in the mode set */
-#define INTELFB_CONN_LIMIT 4
-
-#define INTEL_I2C_BUS_DVO 1
-#define INTEL_I2C_BUS_SDVO 2
-
-/* these are outputs from the chip - integrated only
- * external chips are via DVO or SDVO output */
-#define INTEL_OUTPUT_UNUSED 0
-#define INTEL_OUTPUT_ANALOG 1
-#define INTEL_OUTPUT_DVO 2
-#define INTEL_OUTPUT_SDVO 3
-#define INTEL_OUTPUT_LVDS 4
-#define INTEL_OUTPUT_TVOUT 5
-#define INTEL_OUTPUT_HDMI 6
-#define INTEL_OUTPUT_MIPI 7
-#define INTEL_OUTPUT_MIPI2 8
-
-#define INTEL_DVO_CHIP_NONE 0
-#define INTEL_DVO_CHIP_LVDS 1
-#define INTEL_DVO_CHIP_TMDS 2
-#define INTEL_DVO_CHIP_TVOUT 4
-
-/*
- * Hold information useally put on the device driver privates here,
- * since it needs to be shared across multiple of devices drivers privates.
- */
-struct psb_intel_mode_device {
-
-	/*
-	 * Abstracted memory manager operations
-	 */
-	 size_t(*bo_offset) (struct drm_device *dev, void *bo);
-
-	/*
-	 * Cursor (Can go ?)
-	 */
-	int cursor_needs_physical;
-
-	/*
-	 * LVDS info
-	 */
-	int backlight_duty_cycle;	/* restore backlight to this value */
-	bool panel_wants_dither;
-	struct drm_display_mode *panel_fixed_mode;
-	struct drm_display_mode *panel_fixed_mode2;
-	struct drm_display_mode *vbt_mode;	/* if any */
-
-	uint32_t saveBLC_PWM_CTL;
-};
-
-struct psb_intel_i2c_chan {
-	/* for getting at dev. private (mmio etc.) */
-	struct drm_device *drm_dev;
-	u32 reg;		/* GPIO reg */
-	struct i2c_adapter adapter;
-	struct i2c_algo_bit_data algo;
-	u8 slave_addr;
-};
-
-struct psb_intel_output {
-	struct drm_connector base;
-
-	struct drm_encoder enc;
-	int type;
-
-	struct psb_intel_i2c_chan *i2c_bus;	/* for control functions */
-	struct psb_intel_i2c_chan *ddc_bus;	/* for DDC only stuff */
-	bool load_detect_temp;
-	void *dev_priv;
-
-	struct psb_intel_mode_device *mode_dev;
-	struct i2c_adapter *hdmi_i2c_adapter;	/* for control functions */
-};
-
-struct psb_intel_crtc_state {
-	uint32_t saveDSPCNTR;
-	uint32_t savePIPECONF;
-	uint32_t savePIPESRC;
-	uint32_t saveDPLL;
-	uint32_t saveFP0;
-	uint32_t saveFP1;
-	uint32_t saveHTOTAL;
-	uint32_t saveHBLANK;
-	uint32_t saveHSYNC;
-	uint32_t saveVTOTAL;
-	uint32_t saveVBLANK;
-	uint32_t saveVSYNC;
-	uint32_t saveDSPSTRIDE;
-	uint32_t saveDSPSIZE;
-	uint32_t saveDSPPOS;
-	uint32_t saveDSPBASE;
-	uint32_t savePalette[256];
-};
-
-struct psb_intel_crtc {
-	struct drm_crtc base;
-	int pipe;
-	int plane;
-	uint32_t cursor_addr;
-	u8 lut_r[256], lut_g[256], lut_b[256];
-	u8 lut_adj[256];
-	struct psb_intel_framebuffer *fbdev_fb;
-	/* a mode_set for fbdev users on this crtc */
-	struct drm_mode_set mode_set;
-
-	/* GEM object that holds our cursor */
-	struct drm_gem_object *cursor_obj;
-
-	struct drm_display_mode saved_mode;
-	struct drm_display_mode saved_adjusted_mode;
-
-	struct psb_intel_mode_device *mode_dev;
-
-	/*crtc mode setting flags*/
-	u32 mode_flags;
-
-	/* Saved Crtc HW states */
-	struct psb_intel_crtc_state *crtc_state;
-};
-
-#define to_psb_intel_crtc(x)	\
-		container_of(x, struct psb_intel_crtc, base)
-#define to_psb_intel_output(x)	\
-		container_of(x, struct psb_intel_output, base)
-#define enc_to_psb_intel_output(x)	\
-		container_of(x, struct psb_intel_output, enc)
-#define to_psb_intel_framebuffer(x)	\
-		container_of(x, struct psb_intel_framebuffer, base)
-
-struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
-					const u32 reg, const char *name);
-void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
-int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output);
-extern bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output);
-
-extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
-			    struct psb_intel_mode_device *mode_dev);
-extern void psb_intel_crt_init(struct drm_device *dev);
-extern void psb_intel_sdvo_init(struct drm_device *dev, int output_device);
-extern void psb_intel_dvo_init(struct drm_device *dev);
-extern void psb_intel_tv_init(struct drm_device *dev);
-extern void psb_intel_lvds_init(struct drm_device *dev,
-			    struct psb_intel_mode_device *mode_dev);
-extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
-extern void mrst_lvds_init(struct drm_device *dev,
-			   struct psb_intel_mode_device *mode_dev);
-extern void mrst_wait_for_INTR_PKT_SENT(struct drm_device *dev);
-extern void mrst_dsi_init(struct drm_device *dev,
-			   struct psb_intel_mode_device *mode_dev);
-extern void mid_dsi_init(struct drm_device *dev,
-		    struct psb_intel_mode_device *mode_dev, int dsi_num);
-
-extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc);
-extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
-extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
-
-extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector
-					      *connector);
-
-extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
-						    struct drm_crtc *crtc);
-extern void psb_intel_wait_for_vblank(struct drm_device *dev);
-extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
-				struct drm_file *file_priv);
-extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
-						 int pipe);
-extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
-					     int sdvoB);
-extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
-extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
-				   int enable);
-extern int intelfb_probe(struct drm_device *dev);
-extern int intelfb_remove(struct drm_device *dev,
-			  struct drm_framebuffer *fb);
-extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device
-							*dev, struct
-							drm_mode_fb_cmd
-							*mode_cmd,
-							void *mm_private);
-extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
-				      struct drm_display_mode *mode,
-				      struct drm_display_mode *adjusted_mode);
-extern int psb_intel_lvds_mode_valid(struct drm_connector *connector,
-				     struct drm_display_mode *mode);
-extern int psb_intel_lvds_set_property(struct drm_connector *connector,
-					struct drm_property *property,
-					uint64_t value);
-extern void psb_intel_lvds_destroy(struct drm_connector *connector);
-extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
-
-extern void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe);
-extern void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe);
-
-#endif				/* __INTEL_DRV_H__ */
diff --git a/drivers/staging/gma500/psb_intel_lvds.c b/drivers/staging/gma500/psb_intel_lvds.c
deleted file mode 100644
index 21022e1a977a..000000000000
--- a/drivers/staging/gma500/psb_intel_lvds.c
+++ /dev/null
@@ -1,854 +0,0 @@
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- *	Dave Airlie <airlied@linux.ie>
- *	Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-/*
- * LVDS I2C backlight control macros
- */
-#define BRIGHTNESS_MAX_LEVEL 100
-#define BRIGHTNESS_MASK 0xFF
-#define BLC_I2C_TYPE	0x01
-#define BLC_PWM_TYPT	0x02
-
-#define BLC_POLARITY_NORMAL 0
-#define BLC_POLARITY_INVERSE 1
-
-#define PSB_BLC_MAX_PWM_REG_FREQ       (0xFFFE)
-#define PSB_BLC_MIN_PWM_REG_FREQ	(0x2)
-#define PSB_BLC_PWM_PRECISION_FACTOR	(10)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT	(16)
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-
-struct psb_intel_lvds_priv {
-	/*
-	 * Saved LVDO output states
-	 */
-	uint32_t savePP_ON;
-	uint32_t savePP_OFF;
-	uint32_t saveLVDS;
-	uint32_t savePP_CONTROL;
-	uint32_t savePP_CYCLE;
-	uint32_t savePFIT_CONTROL;
-	uint32_t savePFIT_PGM_RATIOS;
-	uint32_t saveBLC_PWM_CTL;
-};
-
-
-/*
- * Returns the maximum level of the backlight duty cycle field.
- */
-static u32 psb_intel_lvds_get_max_backlight(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 ret;
-
-	if (gma_power_begin(dev, false)) {
-		ret = REG_READ(BLC_PWM_CTL);
-		gma_power_end(dev);
-	} else /* Powered off, use the saved value */
-		ret = dev_priv->saveBLC_PWM_CTL;
-
-	/* Top 15bits hold the frequency mask */
-	ret = (ret &  BACKLIGHT_MODULATION_FREQ_MASK) >>
-					BACKLIGHT_MODULATION_FREQ_SHIFT;
-
-        ret *= 2;	/* Return a 16bit range as needed for setting */
-        if (ret == 0)
-                dev_err(dev->dev, "BL bug: Reg %08x save %08X\n",
-                        REG_READ(BLC_PWM_CTL), dev_priv->saveBLC_PWM_CTL);
-	return ret;
-}
-
-/*
- * Set LVDS backlight level by I2C command
- *
- * FIXME: at some point we need to both track this for PM and also
- * disable runtime pm on MRST if the brightness is nil (ie blanked)
- */
-static int psb_lvds_i2c_set_brightness(struct drm_device *dev,
-					unsigned int level)
-{
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *)dev->dev_private;
-
-	struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
-	u8 out_buf[2];
-	unsigned int blc_i2c_brightness;
-
-	struct i2c_msg msgs[] = {
-		{
-			.addr = lvds_i2c_bus->slave_addr,
-			.flags = 0,
-			.len = 2,
-			.buf = out_buf,
-		}
-	};
-
-	blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
-			     BRIGHTNESS_MASK /
-			     BRIGHTNESS_MAX_LEVEL);
-
-	if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-		blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
-
-	out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
-	out_buf[1] = (u8)blc_i2c_brightness;
-
-	if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) {
-		dev_dbg(dev->dev, "I2C set brightness.(command, value) (%d, %d)\n",
-			dev_priv->lvds_bl->brightnesscmd,
-			blc_i2c_brightness);
-		return 0;
-	}
-
-	dev_err(dev->dev, "I2C transfer error\n");
-	return -1;
-}
-
-
-static int psb_lvds_pwm_set_brightness(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv =
-			(struct drm_psb_private *)dev->dev_private;
-
-	u32 max_pwm_blc;
-	u32 blc_pwm_duty_cycle;
-
-	max_pwm_blc = psb_intel_lvds_get_max_backlight(dev);
-
-	/*BLC_PWM_CTL Should be initiated while backlight device init*/
-	BUG_ON(max_pwm_blc == 0);
-
-	blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
-
-	if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-		blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
-
-	blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
-	REG_WRITE(BLC_PWM_CTL,
-		  (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
-		  (blc_pwm_duty_cycle));
-
-        dev_info(dev->dev, "Backlight lvds set brightness %08x\n",
-		  (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
-		  (blc_pwm_duty_cycle));
-
-	return 0;
-}
-
-/*
- * Set LVDS backlight level either by I2C or PWM
- */
-void psb_intel_lvds_set_brightness(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	dev_dbg(dev->dev, "backlight level is %d\n", level);
-
-	if (!dev_priv->lvds_bl) {
-		dev_err(dev->dev, "NO LVDS backlight info\n");
-		return;
-	}
-
-	if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
-		psb_lvds_i2c_set_brightness(dev, level);
-	else
-		psb_lvds_pwm_set_brightness(dev, level);
-}
-
-/*
- * Sets the backlight level.
- *
- * level: backlight level, from 0 to psb_intel_lvds_get_max_backlight().
- */
-static void psb_intel_lvds_set_backlight(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 blc_pwm_ctl;
-
-	if (gma_power_begin(dev, false)) {
-		blc_pwm_ctl = REG_READ(BLC_PWM_CTL);
-		blc_pwm_ctl &= ~BACKLIGHT_DUTY_CYCLE_MASK;
-		REG_WRITE(BLC_PWM_CTL,
-				(blc_pwm_ctl |
-				(level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
-		dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl |
-					(level << BACKLIGHT_DUTY_CYCLE_SHIFT));
-		gma_power_end(dev);
-	} else {
-		blc_pwm_ctl = dev_priv->saveBLC_PWM_CTL &
-				~BACKLIGHT_DUTY_CYCLE_MASK;
-		dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl |
-					(level << BACKLIGHT_DUTY_CYCLE_SHIFT));
-	}
-}
-
-/*
- * Sets the power state for the panel.
- */
-static void psb_intel_lvds_set_power(struct drm_device *dev,
-				 struct psb_intel_output *output, bool on)
-{
-	u32 pp_status;
-
-	if (!gma_power_begin(dev, true)) {
-	        dev_err(dev->dev, "set power, chip off!\n");
-		return;
-        }
-        
-	if (on) {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-			  POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-
-		psb_intel_lvds_set_backlight(dev,
-					 output->
-					 mode_dev->backlight_duty_cycle);
-	} else {
-		psb_intel_lvds_set_backlight(dev, 0);
-
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-			  ~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while (pp_status & PP_ON);
-	}
-
-	gma_power_end(dev);
-}
-
-static void psb_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-
-	if (mode == DRM_MODE_DPMS_ON)
-		psb_intel_lvds_set_power(dev, output, true);
-	else
-		psb_intel_lvds_set_power(dev, output, false);
-
-	/* XXX: We never power down the LVDS pairs. */
-}
-
-static void psb_intel_lvds_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *)dev->dev_private;
-	struct psb_intel_output *psb_intel_output =
-		to_psb_intel_output(connector);
-	struct psb_intel_lvds_priv *lvds_priv =
-		(struct psb_intel_lvds_priv *)psb_intel_output->dev_priv;
-
-	lvds_priv->savePP_ON = REG_READ(LVDSPP_ON);
-	lvds_priv->savePP_OFF = REG_READ(LVDSPP_OFF);
-	lvds_priv->saveLVDS = REG_READ(LVDS);
-	lvds_priv->savePP_CONTROL = REG_READ(PP_CONTROL);
-	lvds_priv->savePP_CYCLE = REG_READ(PP_CYCLE);
-	/*lvds_priv->savePP_DIVISOR = REG_READ(PP_DIVISOR);*/
-	lvds_priv->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-	lvds_priv->savePFIT_CONTROL = REG_READ(PFIT_CONTROL);
-	lvds_priv->savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS);
-
-	/*TODO: move backlight_duty_cycle to psb_intel_lvds_priv*/
-	dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
-						BACKLIGHT_DUTY_CYCLE_MASK);
-
-	/*
-	 * If the light is off at server startup,
-	 * just make it full brightness
-	 */
-	if (dev_priv->backlight_duty_cycle == 0)
-		dev_priv->backlight_duty_cycle =
-		psb_intel_lvds_get_max_backlight(dev);
-
-	dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
-			lvds_priv->savePP_ON,
-			lvds_priv->savePP_OFF,
-			lvds_priv->saveLVDS,
-			lvds_priv->savePP_CONTROL,
-			lvds_priv->savePP_CYCLE,
-			lvds_priv->saveBLC_PWM_CTL);
-}
-
-static void psb_intel_lvds_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	u32 pp_status;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_lvds_priv *lvds_priv =
-		(struct psb_intel_lvds_priv *)psb_intel_output->dev_priv;
-
-	dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
-			lvds_priv->savePP_ON,
-			lvds_priv->savePP_OFF,
-			lvds_priv->saveLVDS,
-			lvds_priv->savePP_CONTROL,
-			lvds_priv->savePP_CYCLE,
-			lvds_priv->saveBLC_PWM_CTL);
-
-	REG_WRITE(BLC_PWM_CTL, lvds_priv->saveBLC_PWM_CTL);
-	REG_WRITE(PFIT_CONTROL, lvds_priv->savePFIT_CONTROL);
-	REG_WRITE(PFIT_PGM_RATIOS, lvds_priv->savePFIT_PGM_RATIOS);
-	REG_WRITE(LVDSPP_ON, lvds_priv->savePP_ON);
-	REG_WRITE(LVDSPP_OFF, lvds_priv->savePP_OFF);
-	/*REG_WRITE(PP_DIVISOR, lvds_priv->savePP_DIVISOR);*/
-	REG_WRITE(PP_CYCLE, lvds_priv->savePP_CYCLE);
-	REG_WRITE(PP_CONTROL, lvds_priv->savePP_CONTROL);
-	REG_WRITE(LVDS, lvds_priv->saveLVDS);
-
-	if (lvds_priv->savePP_CONTROL & POWER_TARGET_ON) {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-			POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-	} else {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-			~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while (pp_status & PP_ON);
-	}
-}
-
-int psb_intel_lvds_mode_valid(struct drm_connector *connector,
-				 struct drm_display_mode *mode)
-{
-	struct psb_intel_output *psb_intel_output =
-				to_psb_intel_output(connector);
-	struct drm_display_mode *fixed_mode =
-	    psb_intel_output->mode_dev->panel_fixed_mode;
-
-	if (psb_intel_output->type == INTEL_OUTPUT_MIPI2)
-		fixed_mode = psb_intel_output->mode_dev->panel_fixed_mode2;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return MODE_NO_INTERLACE;
-
-	if (fixed_mode) {
-		if (mode->hdisplay > fixed_mode->hdisplay)
-			return MODE_PANEL;
-		if (mode->vdisplay > fixed_mode->vdisplay)
-			return MODE_PANEL;
-	}
-	return MODE_OK;
-}
-
-bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	struct psb_intel_mode_device *mode_dev =
-	    enc_to_psb_intel_output(encoder)->mode_dev;
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_crtc *psb_intel_crtc =
-				to_psb_intel_crtc(encoder->crtc);
-	struct drm_encoder *tmp_encoder;
-	struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode;
-	struct psb_intel_output *psb_intel_output =
-					enc_to_psb_intel_output(encoder);
-
-	if (psb_intel_output->type == INTEL_OUTPUT_MIPI2)
-		panel_fixed_mode = mode_dev->panel_fixed_mode2;
-
-	/* PSB requires the LVDS is on pipe B, MRST has only one pipe anyway */
-	if (!IS_MRST(dev) && psb_intel_crtc->pipe == 0) {
-		printk(KERN_ERR "Can't support LVDS on pipe A\n");
-		return false;
-	}
-	if (IS_MRST(dev) && psb_intel_crtc->pipe != 0) {
-		printk(KERN_ERR "Must use PIPE A\n");
-		return false;
-	}
-	/* Should never happen!! */
-	list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list,
-			    head) {
-		if (tmp_encoder != encoder
-		    && tmp_encoder->crtc == encoder->crtc) {
-			printk(KERN_ERR "Can't enable LVDS and another "
-			       "encoder on the same pipe\n");
-			return false;
-		}
-	}
-
-	/*
-	 * If we have timings from the BIOS for the panel, put them in
-	 * to the adjusted mode.  The CRTC will be set up for this mode,
-	 * with the panel scaling set up to source from the H/VDisplay
-	 * of the original mode.
-	 */
-	if (panel_fixed_mode != NULL) {
-		adjusted_mode->hdisplay = panel_fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = panel_fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = panel_fixed_mode->hsync_end;
-		adjusted_mode->htotal = panel_fixed_mode->htotal;
-		adjusted_mode->vdisplay = panel_fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = panel_fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = panel_fixed_mode->vsync_end;
-		adjusted_mode->vtotal = panel_fixed_mode->vtotal;
-		adjusted_mode->clock = panel_fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode,
-				      CRTC_INTERLACE_HALVE_V);
-	}
-
-	/*
-	 * XXX: It would be nice to support lower refresh rates on the
-	 * panels to reduce power consumption, and perhaps match the
-	 * user's requested refresh rate.
-	 */
-
-	return true;
-}
-
-static void psb_intel_lvds_prepare(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-	mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
-					  BACKLIGHT_DUTY_CYCLE_MASK);
-
-	psb_intel_lvds_set_power(dev, output, false);
-
-	gma_power_end(dev);
-}
-
-static void psb_intel_lvds_commit(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (mode_dev->backlight_duty_cycle == 0)
-		mode_dev->backlight_duty_cycle =
-		    psb_intel_lvds_get_max_backlight(dev);
-
-	psb_intel_lvds_set_power(dev, output, true);
-}
-
-static void psb_intel_lvds_mode_set(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pfit_control;
-
-	/*
-	 * The LVDS pin pair will already have been turned on in the
-	 * psb_intel_crtc_mode_set since it has a large impact on the DPLL
-	 * settings.
-	 */
-
-	/*
-	 * Enable automatic panel scaling so that non-native modes fill the
-	 * screen.  Should be enabled before the pipe is enabled, according to
-	 * register description and PRM.
-	 */
-	if (mode->hdisplay != adjusted_mode->hdisplay ||
-	    mode->vdisplay != adjusted_mode->vdisplay)
-		pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE |
-				HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
-				HORIZ_INTERP_BILINEAR);
-	else
-		pfit_control = 0;
-
-	if (dev_priv->lvds_dither)
-		pfit_control |= PANEL_8TO6_DITHER_ENABLE;
-
-	REG_WRITE(PFIT_CONTROL, pfit_control);
-}
-
-/*
- * Detect the LVDS connection.
- *
- * This always returns CONNECTOR_STATUS_CONNECTED.
- * This connector should only have
- * been set up if the LVDS was actually connected anyway.
- */
-static enum drm_connector_status psb_intel_lvds_detect(struct drm_connector
-						   *connector, bool force)
-{
-	return connector_status_connected;
-}
-
-/*
- * Return the list of DDC modes if available, or the BIOS fixed mode otherwise.
- */
-static int psb_intel_lvds_get_modes(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_mode_device *mode_dev =
-					psb_intel_output->mode_dev;
-	int ret = 0;
-
-	if (!IS_MRST(dev))
-		ret = psb_intel_ddc_get_modes(psb_intel_output);
-
-	if (ret)
-		return ret;
-
-	/* Didn't get an EDID, so
-	 * Set wide sync ranges so we get all modes
-	 * handed to valid_mode for checking
-	 */
-	connector->display_info.min_vfreq = 0;
-	connector->display_info.max_vfreq = 200;
-	connector->display_info.min_hfreq = 0;
-	connector->display_info.max_hfreq = 200;
-
-	if (mode_dev->panel_fixed_mode != NULL) {
-		struct drm_display_mode *mode =
-		    drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
-		drm_mode_probed_add(connector, mode);
-		return 1;
-	}
-
-	return 0;
-}
-
-/**
- * psb_intel_lvds_destroy - unregister and free LVDS structures
- * @connector: connector to free
- *
- * Unregister the DDC bus for this connector then free the driver private
- * structure.
- */
-void psb_intel_lvds_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
-int psb_intel_lvds_set_property(struct drm_connector *connector,
-				       struct drm_property *property,
-				       uint64_t value)
-{
-	struct drm_encoder *encoder = connector->encoder;
-
-	if (!encoder)
-		return -1;
-
-	if (!strcmp(property->name, "scaling mode")) {
-		struct psb_intel_crtc *crtc =
-					to_psb_intel_crtc(encoder->crtc);
-		uint64_t curval;
-
-		if (!crtc)
-			goto set_prop_error;
-
-		switch (value) {
-		case DRM_MODE_SCALE_FULLSCREEN:
-			break;
-		case DRM_MODE_SCALE_NO_SCALE:
-			break;
-		case DRM_MODE_SCALE_ASPECT:
-			break;
-		default:
-			goto set_prop_error;
-		}
-
-		if (drm_connector_property_get_value(connector,
-						     property,
-						     &curval))
-			goto set_prop_error;
-
-		if (curval == value)
-			goto set_prop_done;
-
-		if (drm_connector_property_set_value(connector,
-							property,
-							value))
-			goto set_prop_error;
-
-		if (crtc->saved_mode.hdisplay != 0 &&
-		    crtc->saved_mode.vdisplay != 0) {
-			if (!drm_crtc_helper_set_mode(encoder->crtc,
-						      &crtc->saved_mode,
-						      encoder->crtc->x,
-						      encoder->crtc->y,
-						      encoder->crtc->fb))
-				goto set_prop_error;
-		}
-	} else if (!strcmp(property->name, "backlight")) {
-		if (drm_connector_property_set_value(connector,
-							property,
-							value))
-			goto set_prop_error;
-		else {
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-			struct drm_psb_private *devp =
-						encoder->dev->dev_private;
-			struct backlight_device *bd = devp->backlight_device;
-			if (bd) {
-				bd->props.brightness = value;
-				backlight_update_status(bd);
-			}
-#endif
-		}
-	} else if (!strcmp(property->name, "DPMS")) {
-		struct drm_encoder_helper_funcs *hfuncs
-						= encoder->helper_private;
-		hfuncs->dpms(encoder, value);
-	}
-
-set_prop_done:
-	return 0;
-set_prop_error:
-	return -1;
-}
-
-static const struct drm_encoder_helper_funcs psb_intel_lvds_helper_funcs = {
-	.dpms = psb_intel_lvds_encoder_dpms,
-	.mode_fixup = psb_intel_lvds_mode_fixup,
-	.prepare = psb_intel_lvds_prepare,
-	.mode_set = psb_intel_lvds_mode_set,
-	.commit = psb_intel_lvds_commit,
-};
-
-const struct drm_connector_helper_funcs
-				psb_intel_lvds_connector_helper_funcs = {
-	.get_modes = psb_intel_lvds_get_modes,
-	.mode_valid = psb_intel_lvds_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-const struct drm_connector_funcs psb_intel_lvds_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.save = psb_intel_lvds_save,
-	.restore = psb_intel_lvds_restore,
-	.detect = psb_intel_lvds_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = psb_intel_lvds_set_property,
-	.destroy = psb_intel_lvds_destroy,
-};
-
-
-static void psb_intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-const struct drm_encoder_funcs psb_intel_lvds_enc_funcs = {
-	.destroy = psb_intel_lvds_enc_destroy,
-};
-
-
-
-/**
- * psb_intel_lvds_init - setup LVDS connectors on this device
- * @dev: drm device
- *
- * Create the connector, register the LVDS DDC bus, and try to figure out what
- * modes we can display on the LVDS panel (if present).
- */
-void psb_intel_lvds_init(struct drm_device *dev,
-		     struct psb_intel_mode_device *mode_dev)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct psb_intel_lvds_priv *lvds_priv;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-	struct drm_display_mode *scan;	/* *modes, *bios_mode; */
-	struct drm_crtc *crtc;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 lvds;
-	int pipe;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	lvds_priv = kzalloc(sizeof(struct psb_intel_lvds_priv), GFP_KERNEL);
-	if (!lvds_priv) {
-		kfree(psb_intel_output);
-		dev_err(dev->dev, "LVDS private allocation error\n");
-		return;
-	}
-
-	psb_intel_output->dev_priv = lvds_priv;
-	psb_intel_output->mode_dev = mode_dev;
-
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &psb_intel_lvds_connector_funcs,
-			   DRM_MODE_CONNECTOR_LVDS);
-
-	drm_encoder_init(dev, &psb_intel_output->enc,
-			 &psb_intel_lvds_enc_funcs,
-			 DRM_MODE_ENCODER_LVDS);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	psb_intel_output->type = INTEL_OUTPUT_LVDS;
-
-	drm_encoder_helper_add(encoder, &psb_intel_lvds_helper_funcs);
-	drm_connector_helper_add(connector,
-				 &psb_intel_lvds_connector_helper_funcs);
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-
-	/*Attach connector properties*/
-	drm_connector_attach_property(connector,
-				      dev->mode_config.scaling_mode_property,
-				      DRM_MODE_SCALE_FULLSCREEN);
-	drm_connector_attach_property(connector,
-				      dev_priv->backlight_property,
-				      BRIGHTNESS_MAX_LEVEL);
-
-	/*
-	 * Set up I2C bus
-	 * FIXME: distroy i2c_bus when exit
-	 */
-	psb_intel_output->i2c_bus = psb_intel_i2c_create(dev,
-							 GPIOB,
-							 "LVDSBLC_B");
-	if (!psb_intel_output->i2c_bus) {
-		dev_printk(KERN_ERR,
-			&dev->pdev->dev, "I2C bus registration failed.\n");
-		goto failed_blc_i2c;
-	}
-	psb_intel_output->i2c_bus->slave_addr = 0x2C;
-	dev_priv->lvds_i2c_bus =  psb_intel_output->i2c_bus;
-
-	/*
-	 * LVDS discovery:
-	 * 1) check for EDID on DDC
-	 * 2) check for VBT data
-	 * 3) check to see if LVDS is already on
-	 *    if none of the above, no panel
-	 * 4) make sure lid is open
-	 *    if closed, act like it's not there for now
-	 */
-
-	/* Set up the DDC bus. */
-	psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-							 GPIOC,
-							 "LVDSDDC_C");
-	if (!psb_intel_output->ddc_bus) {
-		dev_printk(KERN_ERR, &dev->pdev->dev,
-			   "DDC bus registration " "failed.\n");
-		goto failed_ddc;
-	}
-
-	/*
-	 * Attempt to get the fixed panel mode from DDC.  Assume that the
-	 * preferred mode is the right one.
-	 */
-	psb_intel_ddc_get_modes(psb_intel_output);
-	list_for_each_entry(scan, &connector->probed_modes, head) {
-		if (scan->type & DRM_MODE_TYPE_PREFERRED) {
-			mode_dev->panel_fixed_mode =
-			    drm_mode_duplicate(dev, scan);
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-
-	/* Failed to get EDID, what about VBT? do we need this? */
-	if (mode_dev->vbt_mode)
-		mode_dev->panel_fixed_mode =
-		    drm_mode_duplicate(dev, mode_dev->vbt_mode);
-
-	if (!mode_dev->panel_fixed_mode)
-		if (dev_priv->lfp_lvds_vbt_mode)
-			mode_dev->panel_fixed_mode =
-				drm_mode_duplicate(dev,
-					dev_priv->lfp_lvds_vbt_mode);
-
-	/*
-	 * If we didn't get EDID, try checking if the panel is already turned
-	 * on.	If so, assume that whatever is currently programmed is the
-	 * correct mode.
-	 */
-	lvds = REG_READ(LVDS);
-	pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
-	crtc = psb_intel_get_crtc_from_pipe(dev, pipe);
-
-	if (crtc && (lvds & LVDS_PORT_EN)) {
-		mode_dev->panel_fixed_mode =
-		    psb_intel_crtc_mode_get(dev, crtc);
-		if (mode_dev->panel_fixed_mode) {
-			mode_dev->panel_fixed_mode->type |=
-			    DRM_MODE_TYPE_PREFERRED;
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-
-	/* If we still don't have a mode after all that, give up. */
-	if (!mode_dev->panel_fixed_mode) {
-		dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n");
-		goto failed_find;
-	}
-
-	/*
-	 * Blacklist machines with BIOSes that list an LVDS panel without
-	 * actually having one.
-	 */
-out:
-	drm_sysfs_connector_add(connector);
-	return;
-
-failed_find:
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-failed_ddc:
-	if (psb_intel_output->i2c_bus)
-		psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-failed_blc_i2c:
-	drm_encoder_cleanup(encoder);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
diff --git a/drivers/staging/gma500/psb_intel_modes.c b/drivers/staging/gma500/psb_intel_modes.c
deleted file mode 100644
index bde1aff96190..000000000000
--- a/drivers/staging/gma500/psb_intel_modes.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (c) 2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authers: Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <linux/fb.h>
-#include <drm/drmP.h>
-#include "psb_intel_drv.h"
-
-/**
- * psb_intel_ddc_probe
- *
- */
-bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output)
-{
-	u8 out_buf[] = { 0x0, 0x0 };
-	u8 buf[2];
-	int ret;
-	struct i2c_msg msgs[] = {
-		{
-		 .addr = 0x50,
-		 .flags = 0,
-		 .len = 1,
-		 .buf = out_buf,
-		 },
-		{
-		 .addr = 0x50,
-		 .flags = I2C_M_RD,
-		 .len = 1,
-		 .buf = buf,
-		 }
-	};
-
-	ret = i2c_transfer(&psb_intel_output->ddc_bus->adapter, msgs, 2);
-	if (ret == 2)
-		return true;
-
-	return false;
-}
-
-/**
- * psb_intel_ddc_get_modes - get modelist from monitor
- * @connector: DRM connector device to use
- *
- * Fetch the EDID information from @connector using the DDC bus.
- */
-int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output)
-{
-	struct edid *edid;
-	int ret = 0;
-
-	edid =
-	    drm_get_edid(&psb_intel_output->base,
-			 &psb_intel_output->ddc_bus->adapter);
-	if (edid) {
-		drm_mode_connector_update_edid_property(&psb_intel_output->
-							base, edid);
-		ret = drm_add_edid_modes(&psb_intel_output->base, edid);
-		kfree(edid);
-	}
-	return ret;
-}
diff --git a/drivers/staging/gma500/psb_intel_reg.h b/drivers/staging/gma500/psb_intel_reg.h
deleted file mode 100644
index 1ac16aa791c9..000000000000
--- a/drivers/staging/gma500/psb_intel_reg.h
+++ /dev/null
@@ -1,1235 +0,0 @@
-/*
- * Copyright (c) 2009, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-#ifndef __PSB_INTEL_REG_H__
-#define __PSB_INTEL_REG_H__
-
-#define BLC_PWM_CTL		0x61254
-#define BLC_PWM_CTL2		0x61250
-#define BLC_PWM_CTL_C		0x62254
-#define BLC_PWM_CTL2_C		0x62250
-#define BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
-/*
- * This is the most significant 15 bits of the number of backlight cycles in a
- * complete cycle of the modulated backlight control.
- *
- * The actual value is this field multiplied by two.
- */
-#define BACKLIGHT_MODULATION_FREQ_MASK	(0x7fff << 17)
-#define BLM_LEGACY_MODE			(1 << 16)
-/*
- * This is the number of cycles out of the backlight modulation cycle for which
- * the backlight is on.
- *
- * This field must be no greater than the number of cycles in the complete
- * backlight modulation cycle.
- */
-#define BACKLIGHT_DUTY_CYCLE_SHIFT	(0)
-#define BACKLIGHT_DUTY_CYCLE_MASK	(0xffff)
-
-#define I915_GCFGC			0xf0
-#define I915_LOW_FREQUENCY_ENABLE	(1 << 7)
-#define I915_DISPLAY_CLOCK_190_200_MHZ	(0 << 4)
-#define I915_DISPLAY_CLOCK_333_MHZ	(4 << 4)
-#define I915_DISPLAY_CLOCK_MASK		(7 << 4)
-
-#define I855_HPLLCC			0xc0
-#define I855_CLOCK_CONTROL_MASK		(3 << 0)
-#define I855_CLOCK_133_200		(0 << 0)
-#define I855_CLOCK_100_200		(1 << 0)
-#define I855_CLOCK_100_133		(2 << 0)
-#define I855_CLOCK_166_250		(3 << 0)
-
-/* I830 CRTC registers */
-#define HTOTAL_A		0x60000
-#define HBLANK_A		0x60004
-#define HSYNC_A			0x60008
-#define VTOTAL_A		0x6000c
-#define VBLANK_A		0x60010
-#define VSYNC_A			0x60014
-#define PIPEASRC		0x6001c
-#define BCLRPAT_A		0x60020
-#define VSYNCSHIFT_A		0x60028
-
-#define HTOTAL_B		0x61000
-#define HBLANK_B		0x61004
-#define HSYNC_B			0x61008
-#define VTOTAL_B		0x6100c
-#define VBLANK_B		0x61010
-#define VSYNC_B			0x61014
-#define PIPEBSRC		0x6101c
-#define BCLRPAT_B		0x61020
-#define VSYNCSHIFT_B		0x61028
-
-#define HTOTAL_C		0x62000
-#define HBLANK_C		0x62004
-#define HSYNC_C			0x62008
-#define VTOTAL_C		0x6200c
-#define VBLANK_C		0x62010
-#define VSYNC_C			0x62014
-#define PIPECSRC		0x6201c
-#define BCLRPAT_C		0x62020
-#define VSYNCSHIFT_C		0x62028
-
-#define PP_STATUS		0x61200
-# define PP_ON				(1 << 31)
-/*
- * Indicates that all dependencies of the panel are on:
- *
- * - PLL enabled
- * - pipe enabled
- * - LVDS/DVOB/DVOC on
- */
-#define PP_READY			(1 << 30)
-#define PP_SEQUENCE_NONE		(0 << 28)
-#define PP_SEQUENCE_ON			(1 << 28)
-#define PP_SEQUENCE_OFF			(2 << 28)
-#define PP_SEQUENCE_MASK		0x30000000
-#define PP_CONTROL		0x61204
-#define POWER_TARGET_ON			(1 << 0)
-
-#define LVDSPP_ON		0x61208
-#define LVDSPP_OFF		0x6120c
-#define PP_CYCLE		0x61210
-
-#define PFIT_CONTROL		0x61230
-#define PFIT_ENABLE			(1 << 31)
-#define PFIT_PIPE_MASK			(3 << 29)
-#define PFIT_PIPE_SHIFT			29
-#define PFIT_SCALING_MODE_PILLARBOX	(1 << 27)
-#define PFIT_SCALING_MODE_LETTERBOX	(3 << 26)
-#define VERT_INTERP_DISABLE		(0 << 10)
-#define VERT_INTERP_BILINEAR		(1 << 10)
-#define VERT_INTERP_MASK		(3 << 10)
-#define VERT_AUTO_SCALE			(1 << 9)
-#define HORIZ_INTERP_DISABLE		(0 << 6)
-#define HORIZ_INTERP_BILINEAR		(1 << 6)
-#define HORIZ_INTERP_MASK		(3 << 6)
-#define HORIZ_AUTO_SCALE		(1 << 5)
-#define PANEL_8TO6_DITHER_ENABLE	(1 << 3)
-
-#define PFIT_PGM_RATIOS		0x61234
-#define PFIT_VERT_SCALE_MASK			0xfff00000
-#define PFIT_HORIZ_SCALE_MASK			0x0000fff0
-
-#define PFIT_AUTO_RATIOS	0x61238
-
-#define DPLL_A			0x06014
-#define DPLL_B			0x06018
-#define DPLL_VCO_ENABLE			(1 << 31)
-#define DPLL_DVO_HIGH_SPEED		(1 << 30)
-#define DPLL_SYNCLOCK_ENABLE		(1 << 29)
-#define DPLL_VGA_MODE_DIS		(1 << 28)
-#define DPLLB_MODE_DAC_SERIAL		(1 << 26)	/* i915 */
-#define DPLLB_MODE_LVDS			(2 << 26)	/* i915 */
-#define DPLL_MODE_MASK			(3 << 26)
-#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10	(0 << 24)	/* i915 */
-#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5	(1 << 24)	/* i915 */
-#define DPLLB_LVDS_P2_CLOCK_DIV_14	(0 << 24)	/* i915 */
-#define DPLLB_LVDS_P2_CLOCK_DIV_7	(1 << 24)	/* i915 */
-#define DPLL_P2_CLOCK_DIV_MASK		0x03000000	/* i915 */
-#define DPLL_FPA01_P1_POST_DIV_MASK	0x00ff0000	/* i915 */
-#define DPLL_LOCK			(1 << 15)	/* CDV */
-
-/*
- *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
- * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
- */
-# define DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000
-/*
- * The i830 generation, in LVDS mode, defines P1 as the bit number set within
- * this field (only one bit may be set).
- */
-#define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS	0x003f0000
-#define DPLL_FPA01_P1_POST_DIV_SHIFT	16
-#define PLL_P2_DIVIDE_BY_4		(1 << 23)	/* i830, required
-							 * in DVO non-gang */
-# define PLL_P1_DIVIDE_BY_TWO		(1 << 21)	/* i830 */
-#define PLL_REF_INPUT_DREFCLK		(0 << 13)
-#define PLL_REF_INPUT_TVCLKINA		(1 << 13)	/* i830 */
-#define PLL_REF_INPUT_TVCLKINBC		(2 << 13)	/* SDVO
-								 * TVCLKIN */
-#define PLLB_REF_INPUT_SPREADSPECTRUMIN	(3 << 13)
-#define PLL_REF_INPUT_MASK		(3 << 13)
-#define PLL_LOAD_PULSE_PHASE_SHIFT	9
-/*
- * Parallel to Serial Load Pulse phase selection.
- * Selects the phase for the 10X DPLL clock for the PCIe
- * digital display port. The range is 4 to 13; 10 or more
- * is just a flip delay. The default is 6
- */
-#define PLL_LOAD_PULSE_PHASE_MASK	(0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
-#define DISPLAY_RATE_SELECT_FPA1	(1 << 8)
-
-/*
- * SDVO multiplier for 945G/GM. Not used on 965.
- *
- * DPLL_MD_UDI_MULTIPLIER_MASK
- */
-#define SDVO_MULTIPLIER_MASK		0x000000ff
-#define SDVO_MULTIPLIER_SHIFT_HIRES	4
-#define SDVO_MULTIPLIER_SHIFT_VGA	0
-
-/*
- * PLL_MD
- */
-/* Pipe A SDVO/UDI clock multiplier/divider register for G965. */
-#define DPLL_A_MD		0x0601c
-/* Pipe B SDVO/UDI clock multiplier/divider register for G965. */
-#define DPLL_B_MD		0x06020
-/*
- * UDI pixel divider, controlling how many pixels are stuffed into a packet.
- *
- * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
- */
-#define DPLL_MD_UDI_DIVIDER_MASK	0x3f000000
-#define DPLL_MD_UDI_DIVIDER_SHIFT	24
-/* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
-#define DPLL_MD_VGA_UDI_DIVIDER_MASK	0x003f0000
-#define DPLL_MD_VGA_UDI_DIVIDER_SHIFT	16
-/*
- * SDVO/UDI pixel multiplier.
- *
- * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
- * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
- * modes, the bus rate would be below the limits, so SDVO allows for stuffing
- * dummy bytes in the datastream at an increased clock rate, with both sides of
- * the link knowing how many bytes are fill.
- *
- * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
- * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
- * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
- * through an SDVO command.
- *
- * This register field has values of multiplication factor minus 1, with
- * a maximum multiplier of 5 for SDVO.
- */
-#define DPLL_MD_UDI_MULTIPLIER_MASK	0x00003f00
-#define DPLL_MD_UDI_MULTIPLIER_SHIFT	8
-/*
- * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
- * This best be set to the default value (3) or the CRT won't work. No,
- * I don't entirely understand what this does...
- */
-#define DPLL_MD_VGA_UDI_MULTIPLIER_MASK	0x0000003f
-#define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0
-
-#define DPLL_TEST		0x606c
-#define DPLLB_TEST_SDVO_DIV_1		(0 << 22)
-#define DPLLB_TEST_SDVO_DIV_2		(1 << 22)
-#define DPLLB_TEST_SDVO_DIV_4		(2 << 22)
-#define DPLLB_TEST_SDVO_DIV_MASK	(3 << 22)
-#define DPLLB_TEST_N_BYPASS		(1 << 19)
-#define DPLLB_TEST_M_BYPASS		(1 << 18)
-#define DPLLB_INPUT_BUFFER_ENABLE	(1 << 16)
-#define DPLLA_TEST_N_BYPASS		(1 << 3)
-#define DPLLA_TEST_M_BYPASS		(1 << 2)
-#define DPLLA_INPUT_BUFFER_ENABLE	(1 << 0)
-
-#define ADPA			0x61100
-#define ADPA_DAC_ENABLE			(1 << 31)
-#define ADPA_DAC_DISABLE		0
-#define ADPA_PIPE_SELECT_MASK		(1 << 30)
-#define ADPA_PIPE_A_SELECT		0
-#define ADPA_PIPE_B_SELECT		(1 << 30)
-#define ADPA_USE_VGA_HVPOLARITY		(1 << 15)
-#define ADPA_SETS_HVPOLARITY		0
-#define ADPA_VSYNC_CNTL_DISABLE		(1 << 11)
-#define ADPA_VSYNC_CNTL_ENABLE		0
-#define ADPA_HSYNC_CNTL_DISABLE		(1 << 10)
-#define ADPA_HSYNC_CNTL_ENABLE		0
-#define ADPA_VSYNC_ACTIVE_HIGH		(1 << 4)
-#define ADPA_VSYNC_ACTIVE_LOW		0
-#define ADPA_HSYNC_ACTIVE_HIGH		(1 << 3)
-#define ADPA_HSYNC_ACTIVE_LOW		0
-
-#define FPA0			0x06040
-#define FPA1			0x06044
-#define FPB0			0x06048
-#define FPB1			0x0604c
-#define FP_N_DIV_MASK			0x003f0000
-#define FP_N_DIV_SHIFT			16
-#define FP_M1_DIV_MASK			0x00003f00
-#define FP_M1_DIV_SHIFT			8
-#define FP_M2_DIV_MASK			0x0000003f
-#define FP_M2_DIV_SHIFT			0
-
-#define PORT_HOTPLUG_EN		0x61110
-#define SDVOB_HOTPLUG_INT_EN		(1 << 26)
-#define SDVOC_HOTPLUG_INT_EN		(1 << 25)
-#define TV_HOTPLUG_INT_EN		(1 << 18)
-#define CRT_HOTPLUG_INT_EN		(1 << 9)
-#define CRT_HOTPLUG_FORCE_DETECT	(1 << 3)
-/* CDV.. */
-#define CRT_HOTPLUG_ACTIVATION_PERIOD_64	(1 << 8)
-#define CRT_HOTPLUG_DAC_ON_TIME_2M		(0 << 7)
-#define CRT_HOTPLUG_DAC_ON_TIME_4M		(1 << 7)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_40		(0 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_50		(1 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_60		(2 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_70		(3 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK	(3 << 5)
-#define CRT_HOTPLUG_DETECT_DELAY_1G		(0 << 4)
-#define CRT_HOTPLUG_DETECT_DELAY_2G		(1 << 4)
-#define CRT_HOTPLUG_DETECT_VOLTAGE_325MV	(0 << 2)
-#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV	(1 << 2)
-#define CRT_HOTPLUG_DETECT_MASK			0x000000F8
-
-#define PORT_HOTPLUG_STAT	0x61114
-#define CRT_HOTPLUG_INT_STATUS		(1 << 11)
-#define TV_HOTPLUG_INT_STATUS		(1 << 10)
-#define CRT_HOTPLUG_MONITOR_MASK	(3 << 8)
-#define CRT_HOTPLUG_MONITOR_COLOR	(3 << 8)
-#define CRT_HOTPLUG_MONITOR_MONO	(2 << 8)
-#define CRT_HOTPLUG_MONITOR_NONE	(0 << 8)
-#define SDVOC_HOTPLUG_INT_STATUS	(1 << 7)
-#define SDVOB_HOTPLUG_INT_STATUS	(1 << 6)
-
-#define SDVOB			0x61140
-#define SDVOC			0x61160
-#define SDVO_ENABLE			(1 << 31)
-#define SDVO_PIPE_B_SELECT		(1 << 30)
-#define SDVO_STALL_SELECT		(1 << 29)
-#define SDVO_INTERRUPT_ENABLE		(1 << 26)
-
-/**
- * 915G/GM SDVO pixel multiplier.
- *
- * Programmed value is multiplier - 1, up to 5x.
- *
- * DPLL_MD_UDI_MULTIPLIER_MASK
- */
-#define SDVO_PORT_MULTIPLY_MASK		(7 << 23)
-#define SDVO_PORT_MULTIPLY_SHIFT	23
-#define SDVO_PHASE_SELECT_MASK		(15 << 19)
-#define SDVO_PHASE_SELECT_DEFAULT	(6 << 19)
-#define SDVO_CLOCK_OUTPUT_INVERT	(1 << 18)
-#define SDVOC_GANG_MODE			(1 << 16)
-#define SDVO_BORDER_ENABLE		(1 << 7)
-#define SDVOB_PCIE_CONCURRENCY		(1 << 3)
-#define SDVO_DETECTED			(1 << 2)
-/* Bits to be preserved when writing */
-#define SDVOB_PRESERVE_MASK		((1 << 17) | (1 << 16) | (1 << 14))
-#define SDVOC_PRESERVE_MASK		(1 << 17)
-
-/*
- * This register controls the LVDS output enable, pipe selection, and data
- * format selection.
- *
- * All of the clock/data pairs are force powered down by power sequencing.
- */
-#define LVDS			0x61180
-/*
- * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
- * the DPLL semantics change when the LVDS is assigned to that pipe.
- */
-#define LVDS_PORT_EN			(1 << 31)
-/* Selects pipe B for LVDS data.  Must be set on pre-965. */
-#define LVDS_PIPEB_SELECT		(1 << 30)
-
-/* Turns on border drawing to allow centered display. */
-#define LVDS_BORDER_EN			(1 << 15)
-
-/*
- * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
- * pixel.
- */
-#define LVDS_A0A2_CLKA_POWER_MASK	(3 << 8)
-#define LVDS_A0A2_CLKA_POWER_DOWN	(0 << 8)
-#define LVDS_A0A2_CLKA_POWER_UP		(3 << 8)
-/*
- * Controls the A3 data pair, which contains the additional LSBs for 24 bit
- * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
- * on.
- */
-#define LVDS_A3_POWER_MASK		(3 << 6)
-#define LVDS_A3_POWER_DOWN		(0 << 6)
-#define LVDS_A3_POWER_UP		(3 << 6)
-/*
- * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
- * is set.
- */
-#define LVDS_CLKB_POWER_MASK		(3 << 4)
-#define LVDS_CLKB_POWER_DOWN		(0 << 4)
-#define LVDS_CLKB_POWER_UP		(3 << 4)
-/*
- * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
- * setting for whether we are in dual-channel mode.  The B3 pair will
- * additionally only be powered up when LVDS_A3_POWER_UP is set.
- */
-#define LVDS_B0B3_POWER_MASK		(3 << 2)
-#define LVDS_B0B3_POWER_DOWN		(0 << 2)
-#define LVDS_B0B3_POWER_UP		(3 << 2)
-
-#define PIPEACONF		0x70008
-#define PIPEACONF_ENABLE		(1 << 31)
-#define PIPEACONF_DISABLE		0
-#define PIPEACONF_DOUBLE_WIDE		(1 << 30)
-#define PIPECONF_ACTIVE			(1 << 30)
-#define I965_PIPECONF_ACTIVE		(1 << 30)
-#define PIPECONF_DSIPLL_LOCK		(1 << 29)
-#define PIPEACONF_SINGLE_WIDE		0
-#define PIPEACONF_PIPE_UNLOCKED		0
-#define PIPEACONF_DSR			(1 << 26)
-#define PIPEACONF_PIPE_LOCKED		(1 << 25)
-#define PIPEACONF_PALETTE		0
-#define PIPECONF_FORCE_BORDER		(1 << 25)
-#define PIPEACONF_GAMMA			(1 << 24)
-#define PIPECONF_PROGRESSIVE		(0 << 21)
-#define PIPECONF_INTERLACE_W_FIELD_INDICATION	(6 << 21)
-#define PIPECONF_INTERLACE_FIELD_0_ONLY		(7 << 21)
-#define PIPECONF_PLANE_OFF		(1 << 19)
-#define PIPECONF_CURSOR_OFF		(1 << 18)
-
-#define PIPEBCONF		0x71008
-#define PIPEBCONF_ENABLE		(1 << 31)
-#define PIPEBCONF_DISABLE		0
-#define PIPEBCONF_DOUBLE_WIDE		(1 << 30)
-#define PIPEBCONF_DISABLE		0
-#define PIPEBCONF_GAMMA			(1 << 24)
-#define PIPEBCONF_PALETTE		0
-
-#define PIPECCONF		0x72008
-
-#define PIPEBGCMAXRED		0x71010
-#define PIPEBGCMAXGREEN		0x71014
-#define PIPEBGCMAXBLUE		0x71018
-
-#define PIPEASTAT		0x70024
-#define PIPEBSTAT		0x71024
-#define PIPECSTAT		0x72024
-#define PIPE_VBLANK_INTERRUPT_STATUS		(1UL << 1)
-#define PIPE_START_VBLANK_INTERRUPT_STATUS	(1UL << 2)
-#define PIPE_VBLANK_CLEAR			(1 << 1)
-#define PIPE_VBLANK_STATUS			(1 << 1)
-#define PIPE_TE_STATUS				(1UL << 6)
-#define PIPE_DPST_EVENT_STATUS			(1UL << 7)
-#define PIPE_VSYNC_CLEAR			(1UL << 9)
-#define PIPE_VSYNC_STATUS			(1UL << 9)
-#define PIPE_HDMI_AUDIO_UNDERRUN_STATUS		(1UL << 10)
-#define PIPE_HDMI_AUDIO_BUFFER_DONE_STATUS	(1UL << 11)
-#define PIPE_VBLANK_INTERRUPT_ENABLE		(1UL << 17)
-#define PIPE_START_VBLANK_INTERRUPT_ENABLE	(1UL << 18)
-#define PIPE_TE_ENABLE				(1UL << 22)
-#define PIPE_DPST_EVENT_ENABLE			(1UL << 23)
-#define PIPE_VSYNC_ENABL			(1UL << 25)
-#define PIPE_HDMI_AUDIO_UNDERRUN		(1UL << 26)
-#define PIPE_HDMI_AUDIO_BUFFER_DONE		(1UL << 27)
-#define PIPE_HDMI_AUDIO_INT_MASK		(PIPE_HDMI_AUDIO_UNDERRUN | \
-						PIPE_HDMI_AUDIO_BUFFER_DONE)
-#define PIPE_EVENT_MASK ((1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)|(1 << 24)|(1 << 23)|(1 << 22)|(1 << 21)|(1 << 20)|(1 << 16))
-#define PIPE_VBLANK_MASK ((1 << 25)|(1 << 24)|(1 << 18)|(1 << 17))
-#define HISTOGRAM_INT_CONTROL		0x61268
-#define HISTOGRAM_BIN_DATA		0X61264
-#define HISTOGRAM_LOGIC_CONTROL		0x61260
-#define PWM_CONTROL_LOGIC		0x61250
-#define PIPE_HOTPLUG_INTERRUPT_STATUS		(1UL << 10)
-#define HISTOGRAM_INTERRUPT_ENABLE		(1UL << 31)
-#define HISTOGRAM_LOGIC_ENABLE			(1UL << 31)
-#define PWM_LOGIC_ENABLE			(1UL << 31)
-#define PWM_PHASEIN_ENABLE			(1UL << 25)
-#define PWM_PHASEIN_INT_ENABLE			(1UL << 24)
-#define PWM_PHASEIN_VB_COUNT			0x00001f00
-#define PWM_PHASEIN_INC				0x0000001f
-#define HISTOGRAM_INT_CTRL_CLEAR		(1UL << 30)
-#define DPST_YUV_LUMA_MODE			0
-
-struct dpst_ie_histogram_control {
-	union {
-		uint32_t data;
-		struct {
-			uint32_t bin_reg_index:7;
-			uint32_t reserved:4;
-			uint32_t bin_reg_func_select:1;
-			uint32_t sync_to_phase_in:1;
-			uint32_t alt_enhancement_mode:2;
-			uint32_t reserved1:1;
-			uint32_t sync_to_phase_in_count:8;
-			uint32_t histogram_mode_select:1;
-			uint32_t reserved2:4;
-			uint32_t ie_pipe_assignment:1;
-			uint32_t ie_mode_table_enabled:1;
-			uint32_t ie_histogram_enable:1;
-		};
-	};
-};
-
-struct dpst_guardband {
-	union {
-		uint32_t data;
-		struct {
-			uint32_t guardband:22;
-			uint32_t guardband_interrupt_delay:8;
-			uint32_t interrupt_status:1;
-			uint32_t interrupt_enable:1;
-		};
-	};
-};
-
-#define PIPEAFRAMEHIGH		0x70040
-#define PIPEAFRAMEPIXEL		0x70044
-#define PIPEBFRAMEHIGH		0x71040
-#define PIPEBFRAMEPIXEL		0x71044
-#define PIPECFRAMEHIGH		0x72040
-#define PIPECFRAMEPIXEL		0x72044
-#define PIPE_FRAME_HIGH_MASK	0x0000ffff
-#define PIPE_FRAME_HIGH_SHIFT	0
-#define PIPE_FRAME_LOW_MASK	0xff000000
-#define PIPE_FRAME_LOW_SHIFT	24
-#define PIPE_PIXEL_MASK		0x00ffffff
-#define PIPE_PIXEL_SHIFT	0
-
-#define DSPARB			0x70030
-#define DSPFW1			0x70034
-#define DSPFW2			0x70038
-#define DSPFW3			0x7003c
-#define DSPFW4			0x70050
-#define DSPFW5			0x70054
-#define DSPFW6			0x70058
-#define DSPCHICKENBIT		0x70400
-#define DSPACNTR		0x70180
-#define DSPBCNTR		0x71180
-#define DSPCCNTR		0x72180
-#define DISPLAY_PLANE_ENABLE			(1 << 31)
-#define DISPLAY_PLANE_DISABLE			0
-#define DISPPLANE_GAMMA_ENABLE			(1 << 30)
-#define DISPPLANE_GAMMA_DISABLE			0
-#define DISPPLANE_PIXFORMAT_MASK		(0xf << 26)
-#define DISPPLANE_8BPP				(0x2 << 26)
-#define DISPPLANE_15_16BPP			(0x4 << 26)
-#define DISPPLANE_16BPP				(0x5 << 26)
-#define DISPPLANE_32BPP_NO_ALPHA		(0x6 << 26)
-#define DISPPLANE_32BPP				(0x7 << 26)
-#define DISPPLANE_STEREO_ENABLE			(1 << 25)
-#define DISPPLANE_STEREO_DISABLE		0
-#define DISPPLANE_SEL_PIPE_MASK			(1 << 24)
-#define DISPPLANE_SEL_PIPE_POS			24
-#define DISPPLANE_SEL_PIPE_A			0
-#define DISPPLANE_SEL_PIPE_B			(1 << 24)
-#define DISPPLANE_SRC_KEY_ENABLE		(1 << 22)
-#define DISPPLANE_SRC_KEY_DISABLE		0
-#define DISPPLANE_LINE_DOUBLE			(1 << 20)
-#define DISPPLANE_NO_LINE_DOUBLE		0
-#define DISPPLANE_STEREO_POLARITY_FIRST		0
-#define DISPPLANE_STEREO_POLARITY_SECOND	(1 << 18)
-/* plane B only */
-#define DISPPLANE_ALPHA_TRANS_ENABLE		(1 << 15)
-#define DISPPLANE_ALPHA_TRANS_DISABLE		0
-#define DISPPLANE_SPRITE_ABOVE_DISPLAYA		0
-#define DISPPLANE_SPRITE_ABOVE_OVERLAY		(1)
-#define DISPPLANE_BOTTOM			(4)
-
-#define DSPABASE		0x70184
-#define DSPALINOFF		0x70184
-#define DSPASTRIDE		0x70188
-
-#define DSPBBASE		0x71184
-#define DSPBLINOFF		0X71184
-#define DSPBADDR		DSPBBASE
-#define DSPBSTRIDE		0x71188
-
-#define DSPCBASE		0x72184
-#define DSPCLINOFF		0x72184
-#define DSPCSTRIDE		0x72188
-
-#define DSPAKEYVAL		0x70194
-#define DSPAKEYMASK		0x70198
-
-#define DSPAPOS			0x7018C	/* reserved */
-#define DSPASIZE		0x70190
-#define DSPBPOS			0x7118C
-#define DSPBSIZE		0x71190
-#define DSPCPOS			0x7218C
-#define DSPCSIZE		0x72190
-
-#define DSPASURF		0x7019C
-#define DSPATILEOFF		0x701A4
-
-#define DSPBSURF		0x7119C
-#define DSPBTILEOFF		0x711A4
-
-#define DSPCSURF		0x7219C
-#define DSPCTILEOFF		0x721A4
-#define DSPCKEYMAXVAL		0x721A0
-#define DSPCKEYMINVAL		0x72194
-#define DSPCKEYMSK		0x72198
-
-#define VGACNTRL		0x71400
-#define VGA_DISP_DISABLE		(1 << 31)
-#define VGA_2X_MODE			(1 << 30)
-#define VGA_PIPE_B_SELECT		(1 << 29)
-
-/*
- * Overlay registers
- */
-#define OV_C_OFFSET		0x08000
-#define OV_OVADD		0x30000
-#define OV_DOVASTA		0x30008
-# define OV_PIPE_SELECT			((1 << 6)|(1 << 7))
-# define OV_PIPE_SELECT_POS		6
-# define OV_PIPE_A			0
-# define OV_PIPE_C			1
-#define OV_OGAMC5		0x30010
-#define OV_OGAMC4		0x30014
-#define OV_OGAMC3		0x30018
-#define OV_OGAMC2		0x3001C
-#define OV_OGAMC1		0x30020
-#define OV_OGAMC0		0x30024
-#define OVC_OVADD		0x38000
-#define OVC_DOVCSTA		0x38008
-#define OVC_OGAMC5		0x38010
-#define OVC_OGAMC4		0x38014
-#define OVC_OGAMC3		0x38018
-#define OVC_OGAMC2		0x3801C
-#define OVC_OGAMC1		0x38020
-#define OVC_OGAMC0		0x38024
-
-/*
- * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
- * of video memory available to the BIOS in SWF1.
- */
-#define SWF0			0x71410
-#define SWF1			0x71414
-#define SWF2			0x71418
-#define SWF3			0x7141c
-#define SWF4			0x71420
-#define SWF5			0x71424
-#define SWF6			0x71428
-
-/*
- * 855 scratch registers.
- */
-#define SWF00			0x70410
-#define SWF01			0x70414
-#define SWF02			0x70418
-#define SWF03			0x7041c
-#define SWF04			0x70420
-#define SWF05			0x70424
-#define SWF06			0x70428
-
-#define SWF10			SWF0
-#define SWF11			SWF1
-#define SWF12			SWF2
-#define SWF13			SWF3
-#define SWF14			SWF4
-#define SWF15			SWF5
-#define SWF16			SWF6
-
-#define SWF30			0x72414
-#define SWF31			0x72418
-#define SWF32			0x7241c
-
-
-/*
- * Palette registers
- */
-#define PALETTE_A		0x0a000
-#define PALETTE_B		0x0a800
-#define PALETTE_C		0x0ac00
-
-/* Cursor A & B regs */
-#define CURACNTR		0x70080
-#define CURSOR_MODE_DISABLE		0x00
-#define CURSOR_MODE_64_32B_AX		0x07
-#define CURSOR_MODE_64_ARGB_AX		((1 << 5) | CURSOR_MODE_64_32B_AX)
-#define MCURSOR_GAMMA_ENABLE		(1 << 26)
-#define CURABASE		0x70084
-#define CURAPOS			0x70088
-#define CURSOR_POS_MASK			0x007FF
-#define CURSOR_POS_SIGN			0x8000
-#define CURSOR_X_SHIFT			0
-#define CURSOR_Y_SHIFT			16
-#define CURBCNTR		0x700c0
-#define CURBBASE		0x700c4
-#define CURBPOS			0x700c8
-#define CURCCNTR		0x700e0
-#define CURCBASE		0x700e4
-#define CURCPOS			0x700e8
-
-/*
- * Interrupt Registers
- */
-#define IER			0x020a0
-#define IIR			0x020a4
-#define IMR			0x020a8
-#define ISR			0x020ac
-
-/*
- * MOORESTOWN delta registers
- */
-#define MRST_DPLL_A		0x0f014
-#define MDFLD_DPLL_B		0x0f018
-#define MDFLD_INPUT_REF_SEL		(1 << 14)
-#define MDFLD_VCO_SEL			(1 << 16)
-#define DPLLA_MODE_LVDS			(2 << 26)	/* mrst */
-#define MDFLD_PLL_LATCHEN		(1 << 28)
-#define MDFLD_PWR_GATE_EN		(1 << 30)
-#define MDFLD_P1_MASK			(0x1FF << 17)
-#define MRST_FPA0		0x0f040
-#define MRST_FPA1		0x0f044
-#define MDFLD_DPLL_DIV0		0x0f048
-#define MDFLD_DPLL_DIV1		0x0f04c
-#define MRST_PERF_MODE		0x020f4
-
-/*
- * MEDFIELD HDMI registers
- */
-#define HDMIPHYMISCCTL		0x61134
-#define HDMI_PHY_POWER_DOWN		0x7f
-#define HDMIB_CONTROL		0x61140
-#define HDMIB_PORT_EN			(1 << 31)
-#define HDMIB_PIPE_B_SELECT		(1 << 30)
-#define HDMIB_NULL_PACKET		(1 << 9)
-#define HDMIB_HDCP_PORT			(1 << 5)
-
-/* #define LVDS			0x61180 */
-#define MRST_PANEL_8TO6_DITHER_ENABLE	(1 << 25)
-#define MRST_PANEL_24_DOT_1_FORMAT	(1 << 24)
-#define LVDS_A3_POWER_UP_0_OUTPUT	(1 << 6)
-
-#define MIPI			0x61190
-#define MIPI_C			0x62190
-#define MIPI_PORT_EN			(1 << 31)
-/* Turns on border drawing to allow centered display. */
-#define SEL_FLOPPED_HSTX		(1 << 23)
-#define PASS_FROM_SPHY_TO_AFE		(1 << 16)
-#define MIPI_BORDER_EN			(1 << 15)
-#define MIPIA_3LANE_MIPIC_1LANE		0x1
-#define MIPIA_2LANE_MIPIC_2LANE		0x2
-#define TE_TRIGGER_DSI_PROTOCOL		(1 << 2)
-#define TE_TRIGGER_GPIO_PIN		(1 << 3)
-#define MIPI_TE_COUNT		0x61194
-
-/* #define PP_CONTROL	0x61204 */
-#define POWER_DOWN_ON_RESET		(1 << 1)
-
-/* #define PFIT_CONTROL	0x61230 */
-#define PFIT_PIPE_SELECT		(3 << 29)
-#define PFIT_PIPE_SELECT_SHIFT		(29)
-
-/* #define BLC_PWM_CTL		0x61254 */
-#define MRST_BACKLIGHT_MODULATION_FREQ_SHIFT	(16)
-#define MRST_BACKLIGHT_MODULATION_FREQ_MASK	(0xffff << 16)
-
-/* #define PIPEACONF 0x70008 */
-#define PIPEACONF_PIPE_STATE		(1 << 30)
-/* #define DSPACNTR		0x70180 */
-
-#define MRST_DSPABASE		0x7019c
-#define MRST_DSPBBASE		0x7119c
-#define MDFLD_DSPCBASE		0x7219c
-
-/*
- * Moorestown registers.
- */
-
-/*
- *	MIPI IP registers
- */
-#define MIPIC_REG_OFFSET		0x800
-
-#define DEVICE_READY_REG		0xb000
-#define LP_OUTPUT_HOLD				(1 << 16)
-#define EXIT_ULPS_DEV_READY			0x3
-#define LP_OUTPUT_HOLD_RELEASE			0x810000
-# define ENTERING_ULPS				(2 << 1)
-# define EXITING_ULPS				(1 << 1)
-# define ULPS_MASK				(3 << 1)
-# define BUS_POSSESSION				(1 << 3)
-#define INTR_STAT_REG			0xb004
-#define RX_SOT_ERROR				(1 << 0)
-#define RX_SOT_SYNC_ERROR			(1 << 1)
-#define RX_ESCAPE_MODE_ENTRY_ERROR		(1 << 3)
-#define RX_LP_TX_SYNC_ERROR			(1 << 4)
-#define RX_HS_RECEIVE_TIMEOUT_ERROR		(1 << 5)
-#define RX_FALSE_CONTROL_ERROR			(1 << 6)
-#define RX_ECC_SINGLE_BIT_ERROR			(1 << 7)
-#define RX_ECC_MULTI_BIT_ERROR			(1 << 8)
-#define RX_CHECKSUM_ERROR			(1 << 9)
-#define RX_DSI_DATA_TYPE_NOT_RECOGNIZED		(1 << 10)
-#define RX_DSI_VC_ID_INVALID			(1 << 11)
-#define TX_FALSE_CONTROL_ERROR			(1 << 12)
-#define TX_ECC_SINGLE_BIT_ERROR			(1 << 13)
-#define TX_ECC_MULTI_BIT_ERROR			(1 << 14)
-#define TX_CHECKSUM_ERROR			(1 << 15)
-#define TX_DSI_DATA_TYPE_NOT_RECOGNIZED		(1 << 16)
-#define TX_DSI_VC_ID_INVALID			(1 << 17)
-#define HIGH_CONTENTION				(1 << 18)
-#define LOW_CONTENTION				(1 << 19)
-#define DPI_FIFO_UNDER_RUN			(1 << 20)
-#define HS_TX_TIMEOUT				(1 << 21)
-#define LP_RX_TIMEOUT				(1 << 22)
-#define TURN_AROUND_ACK_TIMEOUT			(1 << 23)
-#define ACK_WITH_NO_ERROR			(1 << 24)
-#define HS_GENERIC_WR_FIFO_FULL			(1 << 27)
-#define LP_GENERIC_WR_FIFO_FULL			(1 << 28)
-#define SPL_PKT_SENT				(1 << 30)
-#define INTR_EN_REG			0xb008
-#define DSI_FUNC_PRG_REG		0xb00c
-#define DPI_CHANNEL_NUMBER_POS			0x03
-#define DBI_CHANNEL_NUMBER_POS			0x05
-#define FMT_DPI_POS				0x07
-#define FMT_DBI_POS				0x0A
-#define DBI_DATA_WIDTH_POS			0x0D
-
-/* DPI PIXEL FORMATS */
-#define RGB_565_FMT				0x01	/* RGB 565 FORMAT */
-#define RGB_666_FMT				0x02	/* RGB 666 FORMAT */
-#define LRGB_666_FMT				0x03	/* RGB LOOSELY PACKED
-							 * 666 FORMAT
-							 */
-#define RGB_888_FMT				0x04	/* RGB 888 FORMAT */
-#define VIRTUAL_CHANNEL_NUMBER_0		0x00	/* Virtual channel 0 */
-#define VIRTUAL_CHANNEL_NUMBER_1		0x01	/* Virtual channel 1 */
-#define VIRTUAL_CHANNEL_NUMBER_2		0x02	/* Virtual channel 2 */
-#define VIRTUAL_CHANNEL_NUMBER_3		0x03	/* Virtual channel 3 */
-
-#define DBI_NOT_SUPPORTED			0x00	/* command mode
-							 * is not supported
-							 */
-#define DBI_DATA_WIDTH_16BIT			0x01	/* 16 bit data */
-#define DBI_DATA_WIDTH_9BIT			0x02	/* 9 bit data */
-#define DBI_DATA_WIDTH_8BIT			0x03	/* 8 bit data */
-#define DBI_DATA_WIDTH_OPT1			0x04	/* option 1 */
-#define DBI_DATA_WIDTH_OPT2			0x05	/* option 2 */
-
-#define HS_TX_TIMEOUT_REG		0xb010
-#define LP_RX_TIMEOUT_REG		0xb014
-#define TURN_AROUND_TIMEOUT_REG		0xb018
-#define DEVICE_RESET_REG		0xb01C
-#define DPI_RESOLUTION_REG		0xb020
-#define RES_V_POS				0x10
-#define DBI_RESOLUTION_REG		0xb024 /* Reserved for MDFLD */
-#define HORIZ_SYNC_PAD_COUNT_REG	0xb028
-#define HORIZ_BACK_PORCH_COUNT_REG	0xb02C
-#define HORIZ_FRONT_PORCH_COUNT_REG	0xb030
-#define HORIZ_ACTIVE_AREA_COUNT_REG	0xb034
-#define VERT_SYNC_PAD_COUNT_REG		0xb038
-#define VERT_BACK_PORCH_COUNT_REG	0xb03c
-#define VERT_FRONT_PORCH_COUNT_REG	0xb040
-#define HIGH_LOW_SWITCH_COUNT_REG	0xb044
-#define DPI_CONTROL_REG			0xb048
-#define DPI_SHUT_DOWN				(1 << 0)
-#define DPI_TURN_ON				(1 << 1)
-#define DPI_COLOR_MODE_ON			(1 << 2)
-#define DPI_COLOR_MODE_OFF			(1 << 3)
-#define DPI_BACK_LIGHT_ON			(1 << 4)
-#define DPI_BACK_LIGHT_OFF			(1 << 5)
-#define DPI_LP					(1 << 6)
-#define DPI_DATA_REG			0xb04c
-#define DPI_BACK_LIGHT_ON_DATA			0x07
-#define DPI_BACK_LIGHT_OFF_DATA			0x17
-#define INIT_COUNT_REG			0xb050
-#define MAX_RET_PAK_REG			0xb054
-#define VIDEO_FMT_REG			0xb058
-#define COMPLETE_LAST_PCKT			(1 << 2)
-#define EOT_DISABLE_REG			0xb05c
-#define ENABLE_CLOCK_STOPPING			(1 << 1)
-#define LP_BYTECLK_REG			0xb060
-#define LP_GEN_DATA_REG			0xb064
-#define HS_GEN_DATA_REG			0xb068
-#define LP_GEN_CTRL_REG			0xb06C
-#define HS_GEN_CTRL_REG			0xb070
-#define DCS_CHANNEL_NUMBER_POS		0x6
-#define MCS_COMMANDS_POS		0x8
-#define WORD_COUNTS_POS			0x8
-#define MCS_PARAMETER_POS			0x10
-#define GEN_FIFO_STAT_REG		0xb074
-#define HS_DATA_FIFO_FULL			(1 << 0)
-#define HS_DATA_FIFO_HALF_EMPTY			(1 << 1)
-#define HS_DATA_FIFO_EMPTY			(1 << 2)
-#define LP_DATA_FIFO_FULL			(1 << 8)
-#define LP_DATA_FIFO_HALF_EMPTY			(1 << 9)
-#define LP_DATA_FIFO_EMPTY			(1 << 10)
-#define HS_CTRL_FIFO_FULL			(1 << 16)
-#define HS_CTRL_FIFO_HALF_EMPTY			(1 << 17)
-#define HS_CTRL_FIFO_EMPTY			(1 << 18)
-#define LP_CTRL_FIFO_FULL			(1 << 24)
-#define LP_CTRL_FIFO_HALF_EMPTY			(1 << 25)
-#define LP_CTRL_FIFO_EMPTY			(1 << 26)
-#define DBI_FIFO_EMPTY				(1 << 27)
-#define DPI_FIFO_EMPTY				(1 << 28)
-#define HS_LS_DBI_ENABLE_REG		0xb078
-#define TXCLKESC_REG			0xb07c
-#define DPHY_PARAM_REG			0xb080
-#define DBI_BW_CTRL_REG			0xb084
-#define CLK_LANE_SWT_REG		0xb088
-
-/*
- * MIPI Adapter registers
- */
-#define MIPI_CONTROL_REG		0xb104
-#define MIPI_2X_CLOCK_BITS			((1 << 0) | (1 << 1))
-#define MIPI_DATA_ADDRESS_REG		0xb108
-#define MIPI_DATA_LENGTH_REG		0xb10C
-#define MIPI_COMMAND_ADDRESS_REG	0xb110
-#define MIPI_COMMAND_LENGTH_REG		0xb114
-#define MIPI_READ_DATA_RETURN_REG0	0xb118
-#define MIPI_READ_DATA_RETURN_REG1	0xb11C
-#define MIPI_READ_DATA_RETURN_REG2	0xb120
-#define MIPI_READ_DATA_RETURN_REG3	0xb124
-#define MIPI_READ_DATA_RETURN_REG4	0xb128
-#define MIPI_READ_DATA_RETURN_REG5	0xb12C
-#define MIPI_READ_DATA_RETURN_REG6	0xb130
-#define MIPI_READ_DATA_RETURN_REG7	0xb134
-#define MIPI_READ_DATA_VALID_REG	0xb138
-
-/* DBI COMMANDS */
-#define soft_reset			0x01
-/*
- *	The display module performs a software reset.
- *	Registers are written with their SW Reset default values.
- */
-#define get_power_mode			0x0a
-/*
- *	The display module returns the current power mode
- */
-#define get_address_mode		0x0b
-/*
- *	The display module returns the current status.
- */
-#define get_pixel_format		0x0c
-/*
- *	This command gets the pixel format for the RGB image data
- *	used by the interface.
- */
-#define get_display_mode		0x0d
-/*
- *	The display module returns the Display Image Mode status.
- */
-#define get_signal_mode			0x0e
-/*
- *	The display module returns the Display Signal Mode.
- */
-#define get_diagnostic_result		0x0f
-/*
- *	The display module returns the self-diagnostic results following
- *	a Sleep Out command.
- */
-#define enter_sleep_mode		0x10
-/*
- *	This command causes the display module to enter the Sleep mode.
- *	In this mode, all unnecessary blocks inside the display module are
- *	disabled except interface communication. This is the lowest power
- *	mode the display module supports.
- */
-#define exit_sleep_mode			0x11
-/*
- *	This command causes the display module to exit Sleep mode.
- *	All blocks inside the display module are enabled.
- */
-#define enter_partial_mode		0x12
-/*
- *	This command causes the display module to enter the Partial Display
- *	Mode. The Partial Display Mode window is described by the
- *	set_partial_area command.
- */
-#define enter_normal_mode		0x13
-/*
- *	This command causes the display module to enter the Normal mode.
- *	Normal Mode is defined as Partial Display mode and Scroll mode are off
- */
-#define exit_invert_mode		0x20
-/*
- *	This command causes the display module to stop inverting the image
- *	data on the display device. The frame memory contents remain unchanged.
- *	No status bits are changed.
- */
-#define enter_invert_mode		0x21
-/*
- *	This command causes the display module to invert the image data only on
- *	the display device. The frame memory contents remain unchanged.
- *	No status bits are changed.
- */
-#define set_gamma_curve			0x26
-/*
- *	This command selects the desired gamma curve for the display device.
- *	Four fixed gamma curves are defined in section DCS spec.
- */
-#define set_display_off			0x28
-/* ************************************************************************* *\
-This command causes the display module to stop displaying the image data
-on the display device. The frame memory contents remain unchanged.
-No status bits are changed.
-\* ************************************************************************* */
-#define set_display_on			0x29
-/* ************************************************************************* *\
-This command causes the display module to start displaying the image data
-on the display device. The frame memory contents remain unchanged.
-No status bits are changed.
-\* ************************************************************************* */
-#define set_column_address		0x2a
-/*
- *	This command defines the column extent of the frame memory accessed by
- *	the hostprocessor with the read_memory_continue and
- *	write_memory_continue commands.
- *	No status bits are changed.
- */
-#define set_page_addr			0x2b
-/*
- *	This command defines the page extent of the frame memory accessed by
- *	the host processor with the write_memory_continue and
- *	read_memory_continue command.
- *	No status bits are changed.
- */
-#define write_mem_start			0x2c
-/*
- *	This command transfers image data from the host processor to the
- *	display modules frame memory starting at the pixel location specified
- *	by preceding set_column_address and set_page_address commands.
- */
-#define set_partial_area		0x30
-/*
- *	This command defines the Partial Display mode s display area.
- *	There are two parameters associated with this command, the first
- *	defines the Start Row (SR) and the second the End Row (ER). SR and ER
- *	refer to the Frame Memory Line Pointer.
- */
-#define set_scroll_area			0x33
-/*
- *	This command defines the display modules Vertical Scrolling Area.
- */
-#define set_tear_off			0x34
-/*
- *	This command turns off the display modules Tearing Effect output
- *	signal on the TE signal line.
- */
-#define set_tear_on			0x35
-/*
- *	This command turns on the display modules Tearing Effect output signal
- *	on the TE signal line.
- */
-#define set_address_mode		0x36
-/*
- *	This command sets the data order for transfers from the host processor
- *	to display modules frame memory,bits B[7:5] and B3, and from the
- *	display modules frame memory to the display device, bits B[2:0] and B4.
- */
-#define set_scroll_start		0x37
-/*
- *	This command sets the start of the vertical scrolling area in the frame
- *	memory. The vertical scrolling area is fully defined when this command
- *	is used with the set_scroll_area command The set_scroll_start command
- *	has one parameter, the Vertical Scroll Pointer. The VSP defines the
- *	line in the frame memory that is written to the display device as the
- *	first line of the vertical scroll area.
- */
-#define exit_idle_mode			0x38
-/*
- *	This command causes the display module to exit Idle mode.
- */
-#define enter_idle_mode			0x39
-/*
- *	This command causes the display module to enter Idle Mode.
- *	In Idle Mode, color expression is reduced. Colors are shown on the
- *	display device using the MSB of each of the R, G and B color
- *	components in the frame memory
- */
-#define set_pixel_format		0x3a
-/*
- *	This command sets the pixel format for the RGB image data used by the
- *	interface.
- *	Bits D[6:4]  DPI Pixel Format Definition
- *	Bits D[2:0]  DBI Pixel Format Definition
- *	Bits D7 and D3 are not used.
- */
-#define DCS_PIXEL_FORMAT_3bpp		0x1
-#define DCS_PIXEL_FORMAT_8bpp		0x2
-#define DCS_PIXEL_FORMAT_12bpp		0x3
-#define DCS_PIXEL_FORMAT_16bpp		0x5
-#define DCS_PIXEL_FORMAT_18bpp		0x6
-#define DCS_PIXEL_FORMAT_24bpp		0x7
-
-#define write_mem_cont			0x3c
-
-/*
- *	This command transfers image data from the host processor to the
- *	display module's frame memory continuing from the pixel location
- *	following the previous write_memory_continue or write_memory_start
- *	command.
- */
-#define set_tear_scanline		0x44
-/*
- *	This command turns on the display modules Tearing Effect output signal
- *	on the TE signal line when the display module reaches line N.
- */
-#define get_scanline			0x45
-/*
- *	The display module returns the current scanline, N, used to update the
- *	 display device. The total number of scanlines on a display device is
- *	defined as VSYNC + VBP + VACT + VFP.The first scanline is defined as
- *	the first line of V Sync and is denoted as Line 0.
- *	When in Sleep Mode, the value returned by get_scanline is undefined.
- */
-
-/* MCS or Generic COMMANDS */
-/* MCS/generic data type */
-#define GEN_SHORT_WRITE_0	0x03  /* generic short write, no parameters */
-#define GEN_SHORT_WRITE_1	0x13  /* generic short write, 1 parameters */
-#define GEN_SHORT_WRITE_2	0x23  /* generic short write, 2 parameters */
-#define GEN_READ_0		0x04  /* generic read, no parameters */
-#define GEN_READ_1		0x14  /* generic read, 1 parameters */
-#define GEN_READ_2		0x24  /* generic read, 2 parameters */
-#define GEN_LONG_WRITE		0x29  /* generic long write */
-#define MCS_SHORT_WRITE_0	0x05  /* MCS short write, no parameters */
-#define MCS_SHORT_WRITE_1	0x15  /* MCS short write, 1 parameters */
-#define MCS_READ		0x06  /* MCS read, no parameters */
-#define MCS_LONG_WRITE		0x39  /* MCS long write */
-/* MCS/generic commands */
-/* TPO MCS */
-#define write_display_profile		0x50
-#define write_display_brightness	0x51
-#define write_ctrl_display		0x53
-#define write_ctrl_cabc			0x55
-  #define UI_IMAGE		0x01
-  #define STILL_IMAGE		0x02
-  #define MOVING_IMAGE		0x03
-#define write_hysteresis		0x57
-#define write_gamma_setting		0x58
-#define write_cabc_min_bright		0x5e
-#define write_kbbc_profile		0x60
-/* TMD MCS */
-#define tmd_write_display_brightness 0x8c
-
-/*
- *	This command is used to control ambient light, panel backlight
- *	brightness and gamma settings.
- */
-#define BRIGHT_CNTL_BLOCK_ON	(1 << 5)
-#define AMBIENT_LIGHT_SENSE_ON	(1 << 4)
-#define DISPLAY_DIMMING_ON	(1 << 3)
-#define BACKLIGHT_ON		(1 << 2)
-#define DISPLAY_BRIGHTNESS_AUTO	(1 << 1)
-#define GAMMA_AUTO		(1 << 0)
-
-/* DCS Interface Pixel Formats */
-#define DCS_PIXEL_FORMAT_3BPP	0x1
-#define DCS_PIXEL_FORMAT_8BPP	0x2
-#define DCS_PIXEL_FORMAT_12BPP	0x3
-#define DCS_PIXEL_FORMAT_16BPP	0x5
-#define DCS_PIXEL_FORMAT_18BPP	0x6
-#define DCS_PIXEL_FORMAT_24BPP	0x7
-/* ONE PARAMETER READ DATA */
-#define addr_mode_data		0xfc
-#define diag_res_data		0x00
-#define disp_mode_data		0x23
-#define pxl_fmt_data		0x77
-#define pwr_mode_data		0x74
-#define sig_mode_data		0x00
-/* TWO PARAMETERS READ DATA */
-#define scanline_data1		0xff
-#define scanline_data2		0xff
-#define NON_BURST_MODE_SYNC_PULSE	0x01	/* Non Burst Mode
-						 * with Sync Pulse
-						 */
-#define NON_BURST_MODE_SYNC_EVENTS	0x02	/* Non Burst Mode
-						 * with Sync events
-						 */
-#define BURST_MODE			0x03	/* Burst Mode */
-#define DBI_COMMAND_BUFFER_SIZE		0x240   /* 0x32 */    /* 0x120 */
-						/* Allocate at least
-						 * 0x100 Byte with 32
-						 * byte alignment
-						 */
-#define DBI_DATA_BUFFER_SIZE		0x120	/* Allocate at least
-						 * 0x100 Byte with 32
-						 * byte alignment
-						 */
-#define DBI_CB_TIME_OUT			0xFFFF
-
-#define GEN_FB_TIME_OUT			2000
-
-#define SKU_83				0x01
-#define SKU_100				0x02
-#define SKU_100L			0x04
-#define SKU_BYPASS			0x08
-
-/* Some handy macros for playing with bitfields. */
-#define PSB_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low))
-#define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK)
-#define GET_FIELD(word, field) (((word)  & field ## _MASK) >> field ## _SHIFT)
-
-#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))
-
-/* PCI config space */
-
-#define SB_PCKT         0x02100 /* cedarview */
-# define SB_OPCODE_MASK                         PSB_MASK(31, 16)
-# define SB_OPCODE_SHIFT                        16
-# define SB_OPCODE_READ                         0
-# define SB_OPCODE_WRITE                        1
-# define SB_DEST_MASK                           PSB_MASK(15, 8)
-# define SB_DEST_SHIFT                          8
-# define SB_DEST_DPLL                           0x88
-# define SB_BYTE_ENABLE_MASK                    PSB_MASK(7, 4)
-# define SB_BYTE_ENABLE_SHIFT                   4
-# define SB_BUSY                                (1 << 0)
-
-
-/* 32-bit value read/written from the DPIO reg. */
-#define SB_DATA		0x02104 /* cedarview */
-/* 32-bit address of the DPIO reg to be read/written. */
-#define SB_ADDR		0x02108 /* cedarview */
-#define DPIO_CFG	0x02110 /* cedarview */
-# define DPIO_MODE_SELECT_1			(1 << 3)
-# define DPIO_MODE_SELECT_0			(1 << 2)
-# define DPIO_SFR_BYPASS			(1 << 1)
-/* reset is active low */
-# define DPIO_CMN_RESET_N			(1 << 0)
-
-/* Cedarview sideband registers */
-#define _SB_M_A			0x8008
-#define _SB_M_B			0x8028
-#define SB_M(pipe) _PIPE(pipe, _SB_M_A, _SB_M_B)
-# define SB_M_DIVIDER_MASK			(0xFF << 24)
-# define SB_M_DIVIDER_SHIFT			24
-
-#define _SB_N_VCO_A		0x8014
-#define _SB_N_VCO_B		0x8034
-#define SB_N_VCO(pipe) _PIPE(pipe, _SB_N_VCO_A, _SB_N_VCO_B)
-#define SB_N_VCO_SEL_MASK			PSB_MASK(31, 30)
-#define SB_N_VCO_SEL_SHIFT			30
-#define SB_N_DIVIDER_MASK			PSB_MASK(29, 26)
-#define SB_N_DIVIDER_SHIFT			26
-#define SB_N_CB_TUNE_MASK			PSB_MASK(25, 24)
-#define SB_N_CB_TUNE_SHIFT			24
-
-#define _SB_REF_A		0x8018
-#define _SB_REF_B		0x8038
-#define SB_REF_SFR(pipe)	_PIPE(pipe, _SB_REF_A, _SB_REF_B)
-
-#define _SB_P_A			0x801c
-#define _SB_P_B			0x803c
-#define SB_P(pipe) _PIPE(pipe, _SB_P_A, _SB_P_B)
-#define SB_P2_DIVIDER_MASK			PSB_MASK(31, 30)
-#define SB_P2_DIVIDER_SHIFT			30
-#define SB_P2_10				0 /* HDMI, DP, DAC */
-#define SB_P2_5				1 /* DAC */
-#define SB_P2_14				2 /* LVDS single */
-#define SB_P2_7				3 /* LVDS double */
-#define SB_P1_DIVIDER_MASK			PSB_MASK(15, 12)
-#define SB_P1_DIVIDER_SHIFT			12
-
-#define PSB_LANE0		0x120
-#define PSB_LANE1		0x220
-#define PSB_LANE2		0x2320
-#define PSB_LANE3		0x2420
-
-#define LANE_PLL_MASK		(0x7 << 20)
-#define LANE_PLL_ENABLE		(0x3 << 20)
-
-
-#endif
diff --git a/drivers/staging/gma500/psb_intel_sdvo.c b/drivers/staging/gma500/psb_intel_sdvo.c
deleted file mode 100644
index a4bad1af4b7c..000000000000
--- a/drivers/staging/gma500/psb_intel_sdvo.c
+++ /dev/null
@@ -1,1293 +0,0 @@
-/*
- * Copyright (c) 2006-2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/delay.h>
-/* #include <drm/drm_crtc.h> */
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_sdvo_regs.h"
-
-struct psb_intel_sdvo_priv {
-	struct psb_intel_i2c_chan *i2c_bus;
-	int slaveaddr;
-	int output_device;
-
-	u16 active_outputs;
-
-	struct psb_intel_sdvo_caps caps;
-	int pixel_clock_min, pixel_clock_max;
-
-	int save_sdvo_mult;
-	u16 save_active_outputs;
-	struct psb_intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
-	struct psb_intel_sdvo_dtd save_output_dtd[16];
-	u32 save_SDVOX;
-	u8 in_out_map[4];
-
-	u8 by_input_wiring;
-	u32 active_device;
-};
-
-/**
- * Writes the SDVOB or SDVOC with the given value, but always writes both
- * SDVOB and SDVOC to work around apparent hardware issues (according to
- * comments in the BIOS).
- */
-void psb_intel_sdvo_write_sdvox(struct psb_intel_output *psb_intel_output,
-				u32 val)
-{
-	struct drm_device *dev = psb_intel_output->base.dev;
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	u32 bval = val, cval = val;
-	int i;
-
-	if (sdvo_priv->output_device == SDVOB)
-		cval = REG_READ(SDVOC);
-	else
-		bval = REG_READ(SDVOB);
-	/*
-	 * Write the registers twice for luck. Sometimes,
-	 * writing them only once doesn't appear to 'stick'.
-	 * The BIOS does this too. Yay, magic
-	 */
-	for (i = 0; i < 2; i++) {
-		REG_WRITE(SDVOB, bval);
-		REG_READ(SDVOB);
-		REG_WRITE(SDVOC, cval);
-		REG_READ(SDVOC);
-	}
-}
-
-static bool psb_intel_sdvo_read_byte(
-				struct psb_intel_output *psb_intel_output,
-				u8 addr, u8 *ch)
-{
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	u8 out_buf[2];
-	u8 buf[2];
-	int ret;
-
-	struct i2c_msg msgs[] = {
-		{
-		 .addr = sdvo_priv->i2c_bus->slave_addr,
-		 .flags = 0,
-		 .len = 1,
-		 .buf = out_buf,
-		 },
-		{
-		 .addr = sdvo_priv->i2c_bus->slave_addr,
-		 .flags = I2C_M_RD,
-		 .len = 1,
-		 .buf = buf,
-		 }
-	};
-
-	out_buf[0] = addr;
-	out_buf[1] = 0;
-
-	ret = i2c_transfer(&sdvo_priv->i2c_bus->adapter, msgs, 2);
-	if (ret == 2) {
-		*ch = buf[0];
-		return true;
-	}
-
-	return false;
-}
-
-static bool psb_intel_sdvo_write_byte(
-			struct psb_intel_output *psb_intel_output,
-			int addr, u8 ch)
-{
-	u8 out_buf[2];
-	struct i2c_msg msgs[] = {
-		{
-		 .addr = psb_intel_output->i2c_bus->slave_addr,
-		 .flags = 0,
-		 .len = 2,
-		 .buf = out_buf,
-		 }
-	};
-
-	out_buf[0] = addr;
-	out_buf[1] = ch;
-
-	if (i2c_transfer(&psb_intel_output->i2c_bus->adapter, msgs, 1) == 1)
-		return true;
-	return false;
-}
-
-#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
-/** Mapping of command numbers to names, for debug output */
-static const struct _sdvo_cmd_name {
-	u8 cmd;
-	char *name;
-} sdvo_cmd_names[] = {
-SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_SET_TV_RESOLUTION_SUPPORT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),};
-
-#define SDVO_NAME(dev_priv) \
-		 ((dev_priv)->output_device == SDVOB ? "SDVOB" : "SDVOC")
-#define SDVO_PRIV(output)   ((struct psb_intel_sdvo_priv *) (output)->dev_priv)
-
-static void psb_intel_sdvo_write_cmd(struct psb_intel_output *psb_intel_output,
-				     u8 cmd,
-				     void *args,
-				     int args_len)
-{
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	int i;
-
-	if (0) {
-		printk(KERN_DEBUG "%s: W: %02X ", SDVO_NAME(sdvo_priv), cmd);
-		for (i = 0; i < args_len; i++)
-			printk(KERN_CONT "%02X ", ((u8 *) args)[i]);
-		for (; i < 8; i++)
-			printk(KERN_CONT "   ");
-		for (i = 0;
-		     i <
-		     sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]);
-		     i++) {
-			if (cmd == sdvo_cmd_names[i].cmd) {
-				printk(KERN_CONT
-					"(%s)", sdvo_cmd_names[i].name);
-				break;
-			}
-		}
-		if (i ==
-		    sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]))
-			printk(KERN_CONT "(%02X)", cmd);
-		printk(KERN_CONT "\n");
-	}
-
-	for (i = 0; i < args_len; i++) {
-		psb_intel_sdvo_write_byte(psb_intel_output,
-					SDVO_I2C_ARG_0 - i,
-					((u8 *) args)[i]);
-	}
-
-	psb_intel_sdvo_write_byte(psb_intel_output, SDVO_I2C_OPCODE, cmd);
-}
-
-static const char *const cmd_status_names[] = {
-	"Power on",
-	"Success",
-	"Not supported",
-	"Invalid arg",
-	"Pending",
-	"Target not specified",
-	"Scaling not supported"
-};
-
-static u8 psb_intel_sdvo_read_response(
-				struct psb_intel_output *psb_intel_output,
-				void *response, int response_len)
-{
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	int i;
-	u8 status;
-	u8 retry = 50;
-
-	while (retry--) {
-		/* Read the command response */
-		for (i = 0; i < response_len; i++) {
-			psb_intel_sdvo_read_byte(psb_intel_output,
-					     SDVO_I2C_RETURN_0 + i,
-					     &((u8 *) response)[i]);
-		}
-
-		/* read the return status */
-		psb_intel_sdvo_read_byte(psb_intel_output,
-					 SDVO_I2C_CMD_STATUS,
-					 &status);
-
-		if (0) {
-			pr_debug("%s: R: ", SDVO_NAME(sdvo_priv));
-			for (i = 0; i < response_len; i++)
-				printk(KERN_CONT "%02X ", ((u8 *) response)[i]);
-			for (; i < 8; i++)
-				printk("   ");
-			if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
-				printk(KERN_CONT "(%s)",
-					 cmd_status_names[status]);
-			else
-				printk(KERN_CONT "(??? %d)", status);
-			printk(KERN_CONT "\n");
-		}
-
-		if (status != SDVO_CMD_STATUS_PENDING)
-			return status;
-
-		mdelay(50);
-	}
-
-	return status;
-}
-
-int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
-{
-	if (mode->clock >= 100000)
-		return 1;
-	else if (mode->clock >= 50000)
-		return 2;
-	else
-		return 4;
-}
-
-/**
- * Don't check status code from this as it switches the bus back to the
- * SDVO chips which defeats the purpose of doing a bus switch in the first
- * place.
- */
-void psb_intel_sdvo_set_control_bus_switch(
-				struct psb_intel_output *psb_intel_output,
-				u8 target)
-{
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
-				 &target,
-				 1);
-}
-
-static bool psb_intel_sdvo_set_target_input(
-				struct psb_intel_output *psb_intel_output,
-				bool target_0, bool target_1)
-{
-	struct psb_intel_sdvo_set_target_input_args targets = { 0 };
-	u8 status;
-
-	if (target_0 && target_1)
-		return SDVO_CMD_STATUS_NOTSUPP;
-
-	if (target_1)
-		targets.target_1 = 1;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_TARGET_INPUT,
-			     &targets, sizeof(targets));
-
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-/**
- * Return whether each input is trained.
- *
- * This function is making an assumption about the layout of the response,
- * which should be checked against the docs.
- */
-static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_output
-					  *psb_intel_output, bool *input_1,
-					  bool *input_2)
-{
-	struct psb_intel_sdvo_get_trained_inputs_response response;
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_GET_TRAINED_INPUTS,
-			     NULL, 0);
-	status =
-	    psb_intel_sdvo_read_response(psb_intel_output, &response,
-				     sizeof(response));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	*input_1 = response.input0_trained;
-	*input_2 = response.input1_trained;
-	return true;
-}
-
-static bool psb_intel_sdvo_get_active_outputs(struct psb_intel_output
-					  *psb_intel_output, u16 *outputs)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_GET_ACTIVE_OUTPUTS,
-			     NULL, 0);
-	status =
-	    psb_intel_sdvo_read_response(psb_intel_output, outputs,
-				     sizeof(*outputs));
-
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_output
-					  *psb_intel_output, u16 outputs)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_ACTIVE_OUTPUTS,
-			     &outputs, sizeof(outputs));
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_output
-					       *psb_intel_output, int mode)
-{
-	u8 status, state = SDVO_ENCODER_STATE_ON;
-
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-		state = SDVO_ENCODER_STATE_ON;
-		break;
-	case DRM_MODE_DPMS_STANDBY:
-		state = SDVO_ENCODER_STATE_STANDBY;
-		break;
-	case DRM_MODE_DPMS_SUSPEND:
-		state = SDVO_ENCODER_STATE_SUSPEND;
-		break;
-	case DRM_MODE_DPMS_OFF:
-		state = SDVO_ENCODER_STATE_OFF;
-		break;
-	}
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-			     SDVO_CMD_SET_ENCODER_POWER_STATE, &state,
-			     sizeof(state));
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_output
-						   *psb_intel_output,
-						   int *clock_min,
-						   int *clock_max)
-{
-	struct psb_intel_sdvo_pixel_clock_range clocks;
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-			     SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, NULL,
-			     0);
-
-	status =
-	    psb_intel_sdvo_read_response(psb_intel_output, &clocks,
-				     sizeof(clocks));
-
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	/* Convert the values from units of 10 kHz to kHz. */
-	*clock_min = clocks.min * 10;
-	*clock_max = clocks.max * 10;
-
-	return true;
-}
-
-static bool psb_intel_sdvo_set_target_output(
-				struct psb_intel_output *psb_intel_output,
-				u16 outputs)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_TARGET_OUTPUT,
-			     &outputs, sizeof(outputs));
-
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_get_timing(struct psb_intel_output *psb_intel_output,
-				  u8 cmd, struct psb_intel_sdvo_dtd *dtd)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, cmd, NULL, 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output, &dtd->part1,
-					  sizeof(dtd->part1));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, cmd + 1, NULL, 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output, &dtd->part2,
-					  sizeof(dtd->part2));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	return true;
-}
-
-static bool psb_intel_sdvo_get_input_timing(
-				struct psb_intel_output *psb_intel_output,
-				struct psb_intel_sdvo_dtd *dtd)
-{
-	return psb_intel_sdvo_get_timing(psb_intel_output,
-				     SDVO_CMD_GET_INPUT_TIMINGS_PART1,
-				     dtd);
-}
-
-static bool psb_intel_sdvo_set_timing(
-				struct psb_intel_output *psb_intel_output,
-				u8 cmd,
-				struct psb_intel_sdvo_dtd *dtd)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, cmd, &dtd->part1,
-			     sizeof(dtd->part1));
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, cmd + 1, &dtd->part2,
-			     sizeof(dtd->part2));
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	return true;
-}
-
-static bool psb_intel_sdvo_set_input_timing(
-				struct psb_intel_output *psb_intel_output,
-				struct psb_intel_sdvo_dtd *dtd)
-{
-	return psb_intel_sdvo_set_timing(psb_intel_output,
-				     SDVO_CMD_SET_INPUT_TIMINGS_PART1,
-				     dtd);
-}
-
-static bool psb_intel_sdvo_set_output_timing(
-				struct psb_intel_output *psb_intel_output,
-				struct psb_intel_sdvo_dtd *dtd)
-{
-	return psb_intel_sdvo_set_timing(psb_intel_output,
-				     SDVO_CMD_SET_OUTPUT_TIMINGS_PART1,
-				     dtd);
-}
-
-static int psb_intel_sdvo_get_clock_rate_mult(struct psb_intel_output
-						*psb_intel_output)
-{
-	u8 response, status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_CLOCK_RATE_MULT,
-				 NULL,
-				 0);
-
-	status = psb_intel_sdvo_read_response(psb_intel_output, &response, 1);
-
-	if (status != SDVO_CMD_STATUS_SUCCESS) {
-		DRM_DEBUG("Couldn't get SDVO clock rate multiplier\n");
-		return SDVO_CLOCK_RATE_MULT_1X;
-	} else {
-		DRM_DEBUG("Current clock rate multiplier: %d\n", response);
-	}
-
-	return response;
-}
-
-static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_output
-						*psb_intel_output, u8 val)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				SDVO_CMD_SET_CLOCK_RATE_MULT,
-				&val,
-				1);
-
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	return true;
-}
-
-static bool psb_sdvo_set_current_inoutmap(struct psb_intel_output *output,
-					  u32 in0outputmask,
-					  u32 in1outputmask)
-{
-	u8 byArgs[4];
-	u8 status;
-	int i;
-	struct psb_intel_sdvo_priv *sdvo_priv = output->dev_priv;
-
-	/* Make all fields of the  args/ret to zero */
-	memset(byArgs, 0, sizeof(byArgs));
-
-	/* Fill up the argument values; */
-	byArgs[0] = (u8) (in0outputmask & 0xFF);
-	byArgs[1] = (u8) ((in0outputmask >> 8) & 0xFF);
-	byArgs[2] = (u8) (in1outputmask & 0xFF);
-	byArgs[3] = (u8) ((in1outputmask >> 8) & 0xFF);
-
-
-	/*save inoutmap arg here*/
-	for (i = 0; i < 4; i++)
-		sdvo_priv->in_out_map[i] = byArgs[0];
-
-	psb_intel_sdvo_write_cmd(output, SDVO_CMD_SET_IN_OUT_MAP, byArgs, 4);
-	status = psb_intel_sdvo_read_response(output, NULL, 0);
-
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-	return true;
-}
-
-
-static void psb_intel_sdvo_set_iomap(struct psb_intel_output *output)
-{
-	u32 dwCurrentSDVOIn0 = 0;
-	u32 dwCurrentSDVOIn1 = 0;
-	u32 dwDevMask = 0;
-
-
-	struct psb_intel_sdvo_priv *sdvo_priv = output->dev_priv;
-
-	/* Please DO NOT change the following code. */
-	/* SDVOB_IN0 or SDVOB_IN1 ==> sdvo_in0 */
-	/* SDVOC_IN0 or SDVOC_IN1 ==> sdvo_in1 */
-	if (sdvo_priv->by_input_wiring & (SDVOB_IN0 | SDVOC_IN0)) {
-		switch (sdvo_priv->active_device) {
-		case SDVO_DEVICE_LVDS:
-			dwDevMask = SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1;
-			break;
-		case SDVO_DEVICE_TMDS:
-			dwDevMask = SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1;
-			break;
-		case SDVO_DEVICE_TV:
-			dwDevMask =
-			SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_SVID0 |
-			SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB1 |
-			SDVO_OUTPUT_SVID1 | SDVO_OUTPUT_CVBS1 |
-			SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1;
-			break;
-		case SDVO_DEVICE_CRT:
-			dwDevMask = SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1;
-			break;
-		}
-		dwCurrentSDVOIn0 = (sdvo_priv->active_outputs & dwDevMask);
-	} else if (sdvo_priv->by_input_wiring & (SDVOB_IN1 | SDVOC_IN1)) {
-		switch (sdvo_priv->active_device) {
-		case SDVO_DEVICE_LVDS:
-			dwDevMask = SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1;
-			break;
-		case SDVO_DEVICE_TMDS:
-			dwDevMask = SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1;
-			break;
-		case SDVO_DEVICE_TV:
-			dwDevMask =
-			SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_SVID0 |
-			SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB1 |
-			SDVO_OUTPUT_SVID1 | SDVO_OUTPUT_CVBS1 |
-			SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1;
-			break;
-		case SDVO_DEVICE_CRT:
-			dwDevMask = SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1;
-			break;
-		}
-		dwCurrentSDVOIn1 = (sdvo_priv->active_outputs & dwDevMask);
-	}
-
-	psb_sdvo_set_current_inoutmap(output, dwCurrentSDVOIn0,
-					  dwCurrentSDVOIn1);
-}
-
-
-static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	/* Make the CRTC code factor in the SDVO pixel multiplier.  The SDVO
-	 * device will be told of the multiplier during mode_set.
-	 */
-	adjusted_mode->clock *= psb_intel_sdvo_get_pixel_multiplier(mode);
-	return true;
-}
-
-static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_crtc *crtc = encoder->crtc;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_intel_output *psb_intel_output =
-					enc_to_psb_intel_output(encoder);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	u16 width, height;
-	u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len;
-	u16 h_sync_offset, v_sync_offset;
-	u32 sdvox;
-	struct psb_intel_sdvo_dtd output_dtd;
-	int sdvo_pixel_multiply;
-
-	if (!mode)
-		return;
-
-	psb_intel_sdvo_set_target_output(psb_intel_output, 0);
-
-	width = mode->crtc_hdisplay;
-	height = mode->crtc_vdisplay;
-
-	/* do some mode translations */
-	h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
-	h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
-
-	v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
-	v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
-
-	h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
-	v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
-
-	output_dtd.part1.clock = mode->clock / 10;
-	output_dtd.part1.h_active = width & 0xff;
-	output_dtd.part1.h_blank = h_blank_len & 0xff;
-	output_dtd.part1.h_high = (((width >> 8) & 0xf) << 4) |
-	    ((h_blank_len >> 8) & 0xf);
-	output_dtd.part1.v_active = height & 0xff;
-	output_dtd.part1.v_blank = v_blank_len & 0xff;
-	output_dtd.part1.v_high = (((height >> 8) & 0xf) << 4) |
-	    ((v_blank_len >> 8) & 0xf);
-
-	output_dtd.part2.h_sync_off = h_sync_offset;
-	output_dtd.part2.h_sync_width = h_sync_len & 0xff;
-	output_dtd.part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
-	    (v_sync_len & 0xf);
-	output_dtd.part2.sync_off_width_high =
-	    ((h_sync_offset & 0x300) >> 2) | ((h_sync_len & 0x300) >> 4) |
-	    ((v_sync_offset & 0x30) >> 2) | ((v_sync_len & 0x30) >> 4);
-
-	output_dtd.part2.dtd_flags = 0x18;
-	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
-		output_dtd.part2.dtd_flags |= 0x2;
-	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
-		output_dtd.part2.dtd_flags |= 0x4;
-
-	output_dtd.part2.sdvo_flags = 0;
-	output_dtd.part2.v_sync_off_high = v_sync_offset & 0xc0;
-	output_dtd.part2.reserved = 0;
-
-	/* Set the output timing to the screen */
-	psb_intel_sdvo_set_target_output(psb_intel_output,
-				     sdvo_priv->active_outputs);
-
-	/* Set the input timing to the screen. Assume always input 0. */
-	psb_intel_sdvo_set_target_input(psb_intel_output, true, false);
-
-	psb_intel_sdvo_set_output_timing(psb_intel_output, &output_dtd);
-
-	/* We would like to use i830_sdvo_create_preferred_input_timing() to
-	 * provide the device with a timing it can support, if it supports that
-	 * feature.  However, presumably we would need to adjust the CRTC to
-	 * output the preferred timing, and we don't support that currently.
-	 */
-	psb_intel_sdvo_set_input_timing(psb_intel_output, &output_dtd);
-
-	switch (psb_intel_sdvo_get_pixel_multiplier(mode)) {
-	case 1:
-		psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-					       SDVO_CLOCK_RATE_MULT_1X);
-		break;
-	case 2:
-		psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-					       SDVO_CLOCK_RATE_MULT_2X);
-		break;
-	case 4:
-		psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-					       SDVO_CLOCK_RATE_MULT_4X);
-		break;
-	}
-
-	/* Set the SDVO control regs. */
-	sdvox = REG_READ(sdvo_priv->output_device);
-	switch (sdvo_priv->output_device) {
-	case SDVOB:
-		sdvox &= SDVOB_PRESERVE_MASK;
-		break;
-	case SDVOC:
-		sdvox &= SDVOC_PRESERVE_MASK;
-		break;
-	}
-	sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
-	if (psb_intel_crtc->pipe == 1)
-		sdvox |= SDVO_PIPE_B_SELECT;
-
-	sdvo_pixel_multiply = psb_intel_sdvo_get_pixel_multiplier(mode);
-
-	psb_intel_sdvo_write_sdvox(psb_intel_output, sdvox);
-
-	 psb_intel_sdvo_set_iomap(psb_intel_output);
-}
-
-static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *psb_intel_output =
-					enc_to_psb_intel_output(encoder);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	u32 temp;
-
-	if (mode != DRM_MODE_DPMS_ON) {
-		psb_intel_sdvo_set_active_outputs(psb_intel_output, 0);
-		if (0)
-			psb_intel_sdvo_set_encoder_power_state(
-							psb_intel_output,
-							mode);
-
-		if (mode == DRM_MODE_DPMS_OFF) {
-			temp = REG_READ(sdvo_priv->output_device);
-			if ((temp & SDVO_ENABLE) != 0) {
-				psb_intel_sdvo_write_sdvox(psb_intel_output,
-						       temp &
-						       ~SDVO_ENABLE);
-			}
-		}
-	} else {
-		bool input1, input2;
-		int i;
-		u8 status;
-
-		temp = REG_READ(sdvo_priv->output_device);
-		if ((temp & SDVO_ENABLE) == 0)
-			psb_intel_sdvo_write_sdvox(psb_intel_output,
-					       temp | SDVO_ENABLE);
-		for (i = 0; i < 2; i++)
-			psb_intel_wait_for_vblank(dev);
-
-		status =
-		    psb_intel_sdvo_get_trained_inputs(psb_intel_output,
-							&input1,
-							&input2);
-
-
-		/* Warn if the device reported failure to sync.
-		 * A lot of SDVO devices fail to notify of sync, but it's
-		 * a given it the status is a success, we succeeded.
-		 */
-		if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
-			DRM_DEBUG
-			    ("First %s output reported failure to sync\n",
-			     SDVO_NAME(sdvo_priv));
-		}
-
-		if (0)
-			psb_intel_sdvo_set_encoder_power_state(
-							psb_intel_output,
-							mode);
-		psb_intel_sdvo_set_active_outputs(psb_intel_output,
-					      sdvo_priv->active_outputs);
-	}
-	return;
-}
-
-static void psb_intel_sdvo_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	/*int o;*/
-
-	sdvo_priv->save_sdvo_mult =
-	    psb_intel_sdvo_get_clock_rate_mult(psb_intel_output);
-	psb_intel_sdvo_get_active_outputs(psb_intel_output,
-				      &sdvo_priv->save_active_outputs);
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
-		psb_intel_sdvo_set_target_input(psb_intel_output,
-						true,
-						false);
-		psb_intel_sdvo_get_input_timing(psb_intel_output,
-					    &sdvo_priv->save_input_dtd_1);
-	}
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
-		psb_intel_sdvo_set_target_input(psb_intel_output,
-						false,
-						true);
-		psb_intel_sdvo_get_input_timing(psb_intel_output,
-					    &sdvo_priv->save_input_dtd_2);
-	}
-	sdvo_priv->save_SDVOX = REG_READ(sdvo_priv->output_device);
-
-	/*TODO: save the in_out_map state*/
-}
-
-static void psb_intel_sdvo_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	/*int o;*/
-	int i;
-	bool input1, input2;
-	u8 status;
-
-	psb_intel_sdvo_set_active_outputs(psb_intel_output, 0);
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
-		psb_intel_sdvo_set_target_input(psb_intel_output, true, false);
-		psb_intel_sdvo_set_input_timing(psb_intel_output,
-					    &sdvo_priv->save_input_dtd_1);
-	}
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
-		psb_intel_sdvo_set_target_input(psb_intel_output, false, true);
-		psb_intel_sdvo_set_input_timing(psb_intel_output,
-					    &sdvo_priv->save_input_dtd_2);
-	}
-
-	psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-				       sdvo_priv->save_sdvo_mult);
-
-	REG_WRITE(sdvo_priv->output_device, sdvo_priv->save_SDVOX);
-
-	if (sdvo_priv->save_SDVOX & SDVO_ENABLE) {
-		for (i = 0; i < 2; i++)
-			psb_intel_wait_for_vblank(dev);
-		status =
-		    psb_intel_sdvo_get_trained_inputs(psb_intel_output,
-							&input1,
-							&input2);
-		if (status == SDVO_CMD_STATUS_SUCCESS && !input1)
-			DRM_DEBUG
-			    ("First %s output reported failure to sync\n",
-			     SDVO_NAME(sdvo_priv));
-	}
-
-	psb_intel_sdvo_set_active_outputs(psb_intel_output,
-				      sdvo_priv->save_active_outputs);
-
-	/*TODO: restore in_out_map*/
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_SET_IN_OUT_MAP,
-				 sdvo_priv->in_out_map,
-				 4);
-
-	psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-}
-
-static int psb_intel_sdvo_mode_valid(struct drm_connector *connector,
-				 struct drm_display_mode *mode)
-{
-	struct psb_intel_output *psb_intel_output =
-				to_psb_intel_output(connector);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	if (sdvo_priv->pixel_clock_min > mode->clock)
-		return MODE_CLOCK_LOW;
-
-	if (sdvo_priv->pixel_clock_max < mode->clock)
-		return MODE_CLOCK_HIGH;
-
-	return MODE_OK;
-}
-
-static bool psb_intel_sdvo_get_capabilities(
-				struct psb_intel_output *psb_intel_output,
-				struct psb_intel_sdvo_caps *caps)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_DEVICE_CAPS,
-				 NULL,
-				 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output,
-						caps,
-						sizeof(*caps));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	return true;
-}
-
-struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
-{
-	struct drm_connector *connector = NULL;
-	struct psb_intel_output *iout = NULL;
-	struct psb_intel_sdvo_priv *sdvo;
-
-	/* find the sdvo connector */
-	list_for_each_entry(connector, &dev->mode_config.connector_list,
-			    head) {
-		iout = to_psb_intel_output(connector);
-
-		if (iout->type != INTEL_OUTPUT_SDVO)
-			continue;
-
-		sdvo = iout->dev_priv;
-
-		if (sdvo->output_device == SDVOB && sdvoB)
-			return connector;
-
-		if (sdvo->output_device == SDVOC && !sdvoB)
-			return connector;
-
-	}
-
-	return NULL;
-}
-
-int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
-{
-	u8 response[2];
-	u8 status;
-	struct psb_intel_output *psb_intel_output;
-
-	if (!connector)
-		return 0;
-
-	psb_intel_output = to_psb_intel_output(connector);
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_HOT_PLUG_SUPPORT,
-				 NULL,
-				 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output,
-						&response,
-						2);
-
-	if (response[0] != 0)
-		return 1;
-
-	return 0;
-}
-
-void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
-{
-	u8 response[2];
-	u8 status;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_ACTIVE_HOT_PLUG,
-				 NULL,
-				 0);
-	psb_intel_sdvo_read_response(psb_intel_output, &response, 2);
-
-	if (on) {
-		psb_intel_sdvo_write_cmd(psb_intel_output,
-				     SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL,
-				     0);
-		status = psb_intel_sdvo_read_response(psb_intel_output,
-						      &response,
-						      2);
-
-		psb_intel_sdvo_write_cmd(psb_intel_output,
-				     SDVO_CMD_SET_ACTIVE_HOT_PLUG,
-				     &response, 2);
-	} else {
-		response[0] = 0;
-		response[1] = 0;
-		psb_intel_sdvo_write_cmd(psb_intel_output,
-				     SDVO_CMD_SET_ACTIVE_HOT_PLUG,
-				     &response, 2);
-	}
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_ACTIVE_HOT_PLUG,
-				 NULL,
-				 0);
-	psb_intel_sdvo_read_response(psb_intel_output, &response, 2);
-}
-
-static enum drm_connector_status psb_intel_sdvo_detect(struct drm_connector
-						   *connector, bool force)
-{
-	u8 response[2];
-	u8 status;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_ATTACHED_DISPLAYS,
-				 NULL,
-				 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output, &response, 2);
-
-	DRM_DEBUG("SDVO response %d %d\n", response[0], response[1]);
-	if ((response[0] != 0) || (response[1] != 0))
-		return connector_status_connected;
-	else
-		return connector_status_disconnected;
-}
-
-static int psb_intel_sdvo_get_modes(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	/* set the bus switch and get the modes */
-	psb_intel_sdvo_set_control_bus_switch(psb_intel_output,
-					  SDVO_CONTROL_BUS_DDC2);
-	psb_intel_ddc_get_modes(psb_intel_output);
-
-	if (list_empty(&connector->probed_modes))
-		return 0;
-	return 1;
-}
-
-static void psb_intel_sdvo_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-				to_psb_intel_output(connector);
-
-	if (psb_intel_output->i2c_bus)
-		psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(psb_intel_output);
-}
-
-static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = {
-	.dpms = psb_intel_sdvo_dpms,
-	.mode_fixup = psb_intel_sdvo_mode_fixup,
-	.prepare = psb_intel_encoder_prepare,
-	.mode_set = psb_intel_sdvo_mode_set,
-	.commit = psb_intel_encoder_commit,
-};
-
-static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.save = psb_intel_sdvo_save,
-	.restore = psb_intel_sdvo_restore,
-	.detect = psb_intel_sdvo_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = psb_intel_sdvo_destroy,
-};
-
-static const struct drm_connector_helper_funcs
-				psb_intel_sdvo_connector_helper_funcs = {
-	.get_modes = psb_intel_sdvo_get_modes,
-	.mode_valid = psb_intel_sdvo_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = {
-	.destroy = psb_intel_sdvo_enc_destroy,
-};
-
-
-void psb_intel_sdvo_init(struct drm_device *dev, int output_device)
-{
-	struct drm_connector *connector;
-	struct psb_intel_output *psb_intel_output;
-	struct psb_intel_sdvo_priv *sdvo_priv;
-	struct psb_intel_i2c_chan *i2cbus = NULL;
-	int connector_type;
-	u8 ch[0x40];
-	int i;
-	int encoder_type, output_id;
-
-	psb_intel_output =
-	    kcalloc(sizeof(struct psb_intel_output) +
-		    sizeof(struct psb_intel_sdvo_priv), 1, GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	connector = &psb_intel_output->base;
-
-	drm_connector_init(dev, connector, &psb_intel_sdvo_connector_funcs,
-			   DRM_MODE_CONNECTOR_Unknown);
-	drm_connector_helper_add(connector,
-				 &psb_intel_sdvo_connector_helper_funcs);
-	sdvo_priv = (struct psb_intel_sdvo_priv *) (psb_intel_output + 1);
-	psb_intel_output->type = INTEL_OUTPUT_SDVO;
-
-	connector->interlace_allowed = 0;
-	connector->doublescan_allowed = 0;
-
-	/* setup the DDC bus. */
-	if (output_device == SDVOB)
-		i2cbus =
-		    psb_intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
-	else
-		i2cbus =
-		    psb_intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
-
-	if (!i2cbus)
-		goto err_connector;
-
-	sdvo_priv->i2c_bus = i2cbus;
-
-	if (output_device == SDVOB) {
-		output_id = 1;
-		sdvo_priv->by_input_wiring = SDVOB_IN0;
-		sdvo_priv->i2c_bus->slave_addr = 0x38;
-	} else {
-		output_id = 2;
-		sdvo_priv->i2c_bus->slave_addr = 0x39;
-	}
-
-	sdvo_priv->output_device = output_device;
-	psb_intel_output->i2c_bus = i2cbus;
-	psb_intel_output->dev_priv = sdvo_priv;
-
-
-	/* Read the regs to test if we can talk to the device */
-	for (i = 0; i < 0x40; i++) {
-		if (!psb_intel_sdvo_read_byte(psb_intel_output, i, &ch[i])) {
-			dev_dbg(dev->dev, "No SDVO device found on SDVO%c\n",
-				  output_device == SDVOB ? 'B' : 'C');
-			goto err_i2c;
-		}
-	}
-
-	psb_intel_sdvo_get_capabilities(psb_intel_output, &sdvo_priv->caps);
-
-	memset(&sdvo_priv->active_outputs, 0,
-	       sizeof(sdvo_priv->active_outputs));
-
-	/* TODO, CVBS, SVID, YPRPB & SCART outputs. */
-	if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0) {
-		sdvo_priv->active_outputs = SDVO_OUTPUT_RGB0;
-		sdvo_priv->active_device = SDVO_DEVICE_CRT;
-		connector->display_info.subpixel_order =
-		    SubPixelHorizontalRGB;
-		encoder_type = DRM_MODE_ENCODER_DAC;
-		connector_type = DRM_MODE_CONNECTOR_VGA;
-	} else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1) {
-		sdvo_priv->active_outputs = SDVO_OUTPUT_RGB1;
-		sdvo_priv->active_outputs = SDVO_DEVICE_CRT;
-		connector->display_info.subpixel_order =
-		    SubPixelHorizontalRGB;
-		encoder_type = DRM_MODE_ENCODER_DAC;
-		connector_type = DRM_MODE_CONNECTOR_VGA;
-	} else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0) {
-		sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS0;
-		sdvo_priv->active_device = SDVO_DEVICE_TMDS;
-		connector->display_info.subpixel_order =
-		    SubPixelHorizontalRGB;
-		encoder_type = DRM_MODE_ENCODER_TMDS;
-		connector_type = DRM_MODE_CONNECTOR_DVID;
-	} else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS1) {
-		sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS1;
-		sdvo_priv->active_device = SDVO_DEVICE_TMDS;
-		connector->display_info.subpixel_order =
-		    SubPixelHorizontalRGB;
-		encoder_type = DRM_MODE_ENCODER_TMDS;
-		connector_type = DRM_MODE_CONNECTOR_DVID;
-	} else {
-		unsigned char bytes[2];
-
-		memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
-		dev_dbg(dev->dev, "%s: No active RGB or TMDS outputs (0x%02x%02x)\n",
-		     SDVO_NAME(sdvo_priv), bytes[0], bytes[1]);
-		goto err_i2c;
-	}
-
-	drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_sdvo_enc_funcs,
-			 encoder_type);
-	drm_encoder_helper_add(&psb_intel_output->enc,
-			       &psb_intel_sdvo_helper_funcs);
-	connector->connector_type = connector_type;
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	drm_sysfs_connector_add(connector);
-
-	/* Set the input timing to the screen. Assume always input 0. */
-	psb_intel_sdvo_set_target_input(psb_intel_output, true, false);
-
-	psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_output,
-					       &sdvo_priv->pixel_clock_min,
-					       &sdvo_priv->
-					       pixel_clock_max);
-
-
-	dev_dbg(dev->dev, "%s device VID/DID: %02X:%02X.%02X, "
-		  "clock range %dMHz - %dMHz, "
-		  "input 1: %c, input 2: %c, "
-		  "output 1: %c, output 2: %c\n",
-		  SDVO_NAME(sdvo_priv),
-		  sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id,
-		  sdvo_priv->caps.device_rev_id,
-		  sdvo_priv->pixel_clock_min / 1000,
-		  sdvo_priv->pixel_clock_max / 1000,
-		  (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
-		  (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
-		  /* check currently supported outputs */
-		  sdvo_priv->caps.output_flags &
-		  (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
-		  sdvo_priv->caps.output_flags &
-		  (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
-
-	psb_intel_output->ddc_bus = i2cbus;
-
-	return;
-
-err_i2c:
-	psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-err_connector:
-	drm_connector_cleanup(connector);
-	kfree(psb_intel_output);
-
-	return;
-}
diff --git a/drivers/staging/gma500/psb_intel_sdvo_regs.h b/drivers/staging/gma500/psb_intel_sdvo_regs.h
deleted file mode 100644
index 96862ea65aba..000000000000
--- a/drivers/staging/gma500/psb_intel_sdvo_regs.h
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * SDVO command definitions and structures.
- *
- * Copyright (c) 2008, Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#define SDVO_OUTPUT_FIRST   (0)
-#define SDVO_OUTPUT_TMDS0   (1 << 0)
-#define SDVO_OUTPUT_RGB0    (1 << 1)
-#define SDVO_OUTPUT_CVBS0   (1 << 2)
-#define SDVO_OUTPUT_SVID0   (1 << 3)
-#define SDVO_OUTPUT_YPRPB0  (1 << 4)
-#define SDVO_OUTPUT_SCART0  (1 << 5)
-#define SDVO_OUTPUT_LVDS0   (1 << 6)
-#define SDVO_OUTPUT_TMDS1   (1 << 8)
-#define SDVO_OUTPUT_RGB1    (1 << 9)
-#define SDVO_OUTPUT_CVBS1   (1 << 10)
-#define SDVO_OUTPUT_SVID1   (1 << 11)
-#define SDVO_OUTPUT_YPRPB1  (1 << 12)
-#define SDVO_OUTPUT_SCART1  (1 << 13)
-#define SDVO_OUTPUT_LVDS1   (1 << 14)
-#define SDVO_OUTPUT_LAST    (14)
-
-struct psb_intel_sdvo_caps {
-	u8 vendor_id;
-	u8 device_id;
-	u8 device_rev_id;
-	u8 sdvo_version_major;
-	u8 sdvo_version_minor;
-	unsigned int sdvo_inputs_mask:2;
-	unsigned int smooth_scaling:1;
-	unsigned int sharp_scaling:1;
-	unsigned int up_scaling:1;
-	unsigned int down_scaling:1;
-	unsigned int stall_support:1;
-	unsigned int pad:1;
-	u16 output_flags;
-} __packed;
-
-/** This matches the EDID DTD structure, more or less */
-struct psb_intel_sdvo_dtd {
-	struct {
-		u16 clock;	/**< pixel clock, in 10kHz units */
-		u8 h_active;	/**< lower 8 bits (pixels) */
-		u8 h_blank;	/**< lower 8 bits (pixels) */
-		u8 h_high;	/**< upper 4 bits each h_active, h_blank */
-		u8 v_active;	/**< lower 8 bits (lines) */
-		u8 v_blank;	/**< lower 8 bits (lines) */
-		u8 v_high;	/**< upper 4 bits each v_active, v_blank */
-	} part1;
-
-	struct {
-		u8 h_sync_off;
-			/**< lower 8 bits, from hblank start */
-		u8 h_sync_width;/**< lower 8 bits (pixels) */
-	/** lower 4 bits each vsync offset, vsync width */
-		u8 v_sync_off_width;
-	/**
-	 * 2 high bits of hsync offset, 2 high bits of hsync width,
-	 * bits 4-5 of vsync offset, and 2 high bits of vsync width.
-	 */
-		u8 sync_off_width_high;
-		u8 dtd_flags;
-		u8 sdvo_flags;
-	/** bits 6-7 of vsync offset at bits 6-7 */
-		u8 v_sync_off_high;
-		u8 reserved;
-	} part2;
-} __packed;
-
-struct psb_intel_sdvo_pixel_clock_range {
-	u16 min;		/**< pixel clock, in 10kHz units */
-	u16 max;		/**< pixel clock, in 10kHz units */
-} __packed;
-
-struct psb_intel_sdvo_preferred_input_timing_args {
-	u16 clock;
-	u16 width;
-	u16 height;
-} __packed;
-
-/* I2C registers for SDVO */
-#define SDVO_I2C_ARG_0				0x07
-#define SDVO_I2C_ARG_1				0x06
-#define SDVO_I2C_ARG_2				0x05
-#define SDVO_I2C_ARG_3				0x04
-#define SDVO_I2C_ARG_4				0x03
-#define SDVO_I2C_ARG_5				0x02
-#define SDVO_I2C_ARG_6				0x01
-#define SDVO_I2C_ARG_7				0x00
-#define SDVO_I2C_OPCODE				0x08
-#define SDVO_I2C_CMD_STATUS			0x09
-#define SDVO_I2C_RETURN_0			0x0a
-#define SDVO_I2C_RETURN_1			0x0b
-#define SDVO_I2C_RETURN_2			0x0c
-#define SDVO_I2C_RETURN_3			0x0d
-#define SDVO_I2C_RETURN_4			0x0e
-#define SDVO_I2C_RETURN_5			0x0f
-#define SDVO_I2C_RETURN_6			0x10
-#define SDVO_I2C_RETURN_7			0x11
-#define SDVO_I2C_VENDOR_BEGIN			0x20
-
-/* Status results */
-#define SDVO_CMD_STATUS_POWER_ON		0x0
-#define SDVO_CMD_STATUS_SUCCESS			0x1
-#define SDVO_CMD_STATUS_NOTSUPP			0x2
-#define SDVO_CMD_STATUS_INVALID_ARG		0x3
-#define SDVO_CMD_STATUS_PENDING			0x4
-#define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED	0x5
-#define SDVO_CMD_STATUS_SCALING_NOT_SUPP	0x6
-
-/* SDVO commands, argument/result registers */
-
-#define SDVO_CMD_RESET					0x01
-
-/** Returns a struct psb_intel_sdvo_caps */
-#define SDVO_CMD_GET_DEVICE_CAPS			0x02
-
-#define SDVO_CMD_GET_FIRMWARE_REV			0x86
-# define SDVO_DEVICE_FIRMWARE_MINOR			SDVO_I2C_RETURN_0
-# define SDVO_DEVICE_FIRMWARE_MAJOR			SDVO_I2C_RETURN_1
-# define SDVO_DEVICE_FIRMWARE_PATCH			SDVO_I2C_RETURN_2
-
-/**
- * Reports which inputs are trained (managed to sync).
- *
- * Devices must have trained within 2 vsyncs of a mode change.
- */
-#define SDVO_CMD_GET_TRAINED_INPUTS			0x03
-struct psb_intel_sdvo_get_trained_inputs_response {
-	unsigned int input0_trained:1;
-	unsigned int input1_trained:1;
-	unsigned int pad:6;
-} __packed;
-
-/** Returns a struct psb_intel_sdvo_output_flags of active outputs. */
-#define SDVO_CMD_GET_ACTIVE_OUTPUTS			0x04
-
-/**
- * Sets the current set of active outputs.
- *
- * Takes a struct psb_intel_sdvo_output_flags.
- * Must be preceded by a SET_IN_OUT_MAP
- * on multi-output devices.
- */
-#define SDVO_CMD_SET_ACTIVE_OUTPUTS			0x05
-
-/**
- * Returns the current mapping of SDVO inputs to outputs on the device.
- *
- * Returns two struct psb_intel_sdvo_output_flags structures.
- */
-#define SDVO_CMD_GET_IN_OUT_MAP				0x06
-
-/**
- * Sets the current mapping of SDVO inputs to outputs on the device.
- *
- * Takes two struct i380_sdvo_output_flags structures.
- */
-#define SDVO_CMD_SET_IN_OUT_MAP				0x07
-
-/**
- * Returns a struct psb_intel_sdvo_output_flags of attached displays.
- */
-#define SDVO_CMD_GET_ATTACHED_DISPLAYS			0x0b
-
-/**
- * Returns a struct psb_intel_sdvo_ouptut_flags of displays supporting hot plugging.
- */
-#define SDVO_CMD_GET_HOT_PLUG_SUPPORT			0x0c
-
-/**
- * Takes a struct psb_intel_sdvo_output_flags.
- */
-#define SDVO_CMD_SET_ACTIVE_HOT_PLUG			0x0d
-
-/**
- * Returns a struct psb_intel_sdvo_output_flags of displays with hot plug
- * interrupts enabled.
- */
-#define SDVO_CMD_GET_ACTIVE_HOT_PLUG			0x0e
-
-#define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE		0x0f
-struct psb_intel_sdvo_get_interrupt_event_source_response {
-	u16 interrupt_status;
-	unsigned int ambient_light_interrupt:1;
-	unsigned int pad:7;
-} __packed;
-
-/**
- * Selects which input is affected by future input commands.
- *
- * Commands affected include SET_INPUT_TIMINGS_PART[12],
- * GET_INPUT_TIMINGS_PART[12], GET_PREFERRED_INPUT_TIMINGS_PART[12],
- * GET_INPUT_PIXEL_CLOCK_RANGE, and CREATE_PREFERRED_INPUT_TIMINGS.
- */
-#define SDVO_CMD_SET_TARGET_INPUT			0x10
-struct psb_intel_sdvo_set_target_input_args {
-	unsigned int target_1:1;
-	unsigned int pad:7;
-} __packed;
-
-/**
- * Takes a struct psb_intel_sdvo_output_flags of which outputs are targeted by
- * future output commands.
- *
- * Affected commands inclue SET_OUTPUT_TIMINGS_PART[12],
- * GET_OUTPUT_TIMINGS_PART[12], and GET_OUTPUT_PIXEL_CLOCK_RANGE.
- */
-#define SDVO_CMD_SET_TARGET_OUTPUT			0x11
-
-#define SDVO_CMD_GET_INPUT_TIMINGS_PART1		0x12
-#define SDVO_CMD_GET_INPUT_TIMINGS_PART2		0x13
-#define SDVO_CMD_SET_INPUT_TIMINGS_PART1		0x14
-#define SDVO_CMD_SET_INPUT_TIMINGS_PART2		0x15
-#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART1		0x16
-#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART2		0x17
-#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART1		0x18
-#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART2		0x19
-/* Part 1 */
-# define SDVO_DTD_CLOCK_LOW				SDVO_I2C_ARG_0
-# define SDVO_DTD_CLOCK_HIGH				SDVO_I2C_ARG_1
-# define SDVO_DTD_H_ACTIVE				SDVO_I2C_ARG_2
-# define SDVO_DTD_H_BLANK				SDVO_I2C_ARG_3
-# define SDVO_DTD_H_HIGH				SDVO_I2C_ARG_4
-# define SDVO_DTD_V_ACTIVE				SDVO_I2C_ARG_5
-# define SDVO_DTD_V_BLANK				SDVO_I2C_ARG_6
-# define SDVO_DTD_V_HIGH				SDVO_I2C_ARG_7
-/* Part 2 */
-# define SDVO_DTD_HSYNC_OFF				SDVO_I2C_ARG_0
-# define SDVO_DTD_HSYNC_WIDTH				SDVO_I2C_ARG_1
-# define SDVO_DTD_VSYNC_OFF_WIDTH			SDVO_I2C_ARG_2
-# define SDVO_DTD_SYNC_OFF_WIDTH_HIGH			SDVO_I2C_ARG_3
-# define SDVO_DTD_DTD_FLAGS				SDVO_I2C_ARG_4
-# define SDVO_DTD_DTD_FLAG_INTERLACED				(1 << 7)
-# define SDVO_DTD_DTD_FLAG_STEREO_MASK				(3 << 5)
-# define SDVO_DTD_DTD_FLAG_INPUT_MASK				(3 << 3)
-# define SDVO_DTD_DTD_FLAG_SYNC_MASK				(3 << 1)
-# define SDVO_DTD_SDVO_FLAS				SDVO_I2C_ARG_5
-# define SDVO_DTD_SDVO_FLAG_STALL				(1 << 7)
-# define SDVO_DTD_SDVO_FLAG_CENTERED				(0 << 6)
-# define SDVO_DTD_SDVO_FLAG_UPPER_LEFT				(1 << 6)
-# define SDVO_DTD_SDVO_FLAG_SCALING_MASK			(3 << 4)
-# define SDVO_DTD_SDVO_FLAG_SCALING_NONE			(0 << 4)
-# define SDVO_DTD_SDVO_FLAG_SCALING_SHARP			(1 << 4)
-# define SDVO_DTD_SDVO_FLAG_SCALING_SMOOTH			(2 << 4)
-# define SDVO_DTD_VSYNC_OFF_HIGH			SDVO_I2C_ARG_6
-
-/**
- * Generates a DTD based on the given width, height, and flags.
- *
- * This will be supported by any device supporting scaling or interlaced
- * modes.
- */
-#define SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING		0x1a
-# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_LOW		SDVO_I2C_ARG_0
-# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_HIGH		SDVO_I2C_ARG_1
-# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_LOW		SDVO_I2C_ARG_2
-# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_HIGH		SDVO_I2C_ARG_3
-# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_LOW		SDVO_I2C_ARG_4
-# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_HIGH	SDVO_I2C_ARG_5
-# define SDVO_PREFERRED_INPUT_TIMING_FLAGS		SDVO_I2C_ARG_6
-# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_INTERLACED		(1 << 0)
-# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_SCALED		(1 << 1)
-
-#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1	0x1b
-#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2	0x1c
-
-/** Returns a struct psb_intel_sdvo_pixel_clock_range */
-#define SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE		0x1d
-/** Returns a struct psb_intel_sdvo_pixel_clock_range */
-#define SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE		0x1e
-
-/** Returns a byte bitfield containing SDVO_CLOCK_RATE_MULT_* flags */
-#define SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS		0x1f
-
-/** Returns a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
-#define SDVO_CMD_GET_CLOCK_RATE_MULT			0x20
-/** Takes a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
-#define SDVO_CMD_SET_CLOCK_RATE_MULT			0x21
-# define SDVO_CLOCK_RATE_MULT_1X				(1 << 0)
-# define SDVO_CLOCK_RATE_MULT_2X				(1 << 1)
-# define SDVO_CLOCK_RATE_MULT_4X				(1 << 3)
-
-#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS		0x27
-
-#define SDVO_CMD_GET_TV_FORMAT				0x28
-
-#define SDVO_CMD_SET_TV_FORMAT				0x29
-
-#define SDVO_CMD_GET_SUPPORTED_POWER_STATES		0x2a
-#define SDVO_CMD_GET_ENCODER_POWER_STATE		0x2b
-#define SDVO_CMD_SET_ENCODER_POWER_STATE		0x2c
-# define SDVO_ENCODER_STATE_ON					(1 << 0)
-# define SDVO_ENCODER_STATE_STANDBY				(1 << 1)
-# define SDVO_ENCODER_STATE_SUSPEND				(1 << 2)
-# define SDVO_ENCODER_STATE_OFF					(1 << 3)
-
-#define SDVO_CMD_SET_TV_RESOLUTION_SUPPORT		0x93
-
-#define SDVO_CMD_SET_CONTROL_BUS_SWITCH			0x7a
-# define SDVO_CONTROL_BUS_PROM				0x0
-# define SDVO_CONTROL_BUS_DDC1				0x1
-# define SDVO_CONTROL_BUS_DDC2				0x2
-# define SDVO_CONTROL_BUS_DDC3				0x3
-
-/* SDVO Bus & SDVO Inputs wiring details*/
-/* Bit 0: Is SDVOB connected to In0 (1 = yes, 0 = no*/
-/* Bit 1: Is SDVOB connected to In1 (1 = yes, 0 = no*/
-/* Bit 2: Is SDVOC connected to In0 (1 = yes, 0 = no*/
-/* Bit 3: Is SDVOC connected to In1 (1 = yes, 0 = no*/
-#define SDVOB_IN0 0x01
-#define SDVOB_IN1 0x02
-#define SDVOC_IN0 0x04
-#define SDVOC_IN1 0x08
-
-#define SDVO_DEVICE_NONE 0x00
-#define        SDVO_DEVICE_CRT 0x01
-#define        SDVO_DEVICE_TV 0x02
-#define        SDVO_DEVICE_LVDS 0x04
-#define        SDVO_DEVICE_TMDS 0x08
-
diff --git a/drivers/staging/gma500/psb_irq.c b/drivers/staging/gma500/psb_irq.c
deleted file mode 100644
index 36dd63044b06..000000000000
--- a/drivers/staging/gma500/psb_irq.c
+++ /dev/null
@@ -1,627 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- * develop this driver.
- *
- **************************************************************************/
-/*
- */
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include "mdfld_output.h"
-
-/*
- * inline functions
- */
-
-static inline u32
-psb_pipestat(int pipe)
-{
-	if (pipe == 0)
-		return PIPEASTAT;
-	if (pipe == 1)
-		return PIPEBSTAT;
-	if (pipe == 2)
-		return PIPECSTAT;
-	BUG();
-}
-
-static inline u32
-mid_pipe_event(int pipe)
-{
-	if (pipe == 0)
-		return _PSB_PIPEA_EVENT_FLAG;
-	if (pipe == 1)
-		return _MDFLD_PIPEB_EVENT_FLAG;
-	if (pipe == 2)
-		return _MDFLD_PIPEC_EVENT_FLAG;
-	BUG();
-}
-
-static inline u32
-mid_pipe_vsync(int pipe)
-{
-	if (pipe == 0)
-		return _PSB_VSYNC_PIPEA_FLAG;
-	if (pipe == 1)
-		return _PSB_VSYNC_PIPEB_FLAG;
-	if (pipe == 2)
-		return _MDFLD_PIPEC_VBLANK_FLAG;
-	BUG();
-}
-
-static inline u32
-mid_pipeconf(int pipe)
-{
-	if (pipe == 0)
-		return PIPEACONF;
-	if (pipe == 1)
-		return PIPEBCONF;
-	if (pipe == 2)
-		return PIPECCONF;
-	BUG();
-}
-
-void
-psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask)
-{
-	if ((dev_priv->pipestat[pipe] & mask) != mask) {
-		u32 reg = psb_pipestat(pipe);
-		dev_priv->pipestat[pipe] |= mask;
-		/* Enable the interrupt, clear any pending status */
-		if (gma_power_begin(dev_priv->dev, false)) {
-			u32 writeVal = PSB_RVDC32(reg);
-			writeVal |= (mask | (mask >> 16));
-			PSB_WVDC32(writeVal, reg);
-			(void) PSB_RVDC32(reg);
-			gma_power_end(dev_priv->dev);
-		}
-	}
-}
-
-void
-psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask)
-{
-	if ((dev_priv->pipestat[pipe] & mask) != 0) {
-		u32 reg = psb_pipestat(pipe);
-		dev_priv->pipestat[pipe] &= ~mask;
-		if (gma_power_begin(dev_priv->dev, false)) {
-			u32 writeVal = PSB_RVDC32(reg);
-			writeVal &= ~mask;
-			PSB_WVDC32(writeVal, reg);
-			(void) PSB_RVDC32(reg);
-			gma_power_end(dev_priv->dev);
-		}
-	}
-}
-
-void mid_enable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
-{
-	if (gma_power_begin(dev_priv->dev, false)) {
-		u32 pipe_event = mid_pipe_event(pipe);
-		dev_priv->vdc_irq_mask |= pipe_event;
-		PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-		PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-		gma_power_end(dev_priv->dev);
-	}
-}
-
-void mid_disable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
-{
-	if (dev_priv->pipestat[pipe] == 0) {
-		if (gma_power_begin(dev_priv->dev, false)) {
-			u32 pipe_event = mid_pipe_event(pipe);
-			dev_priv->vdc_irq_mask &= ~pipe_event;
-			PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-			PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-			gma_power_end(dev_priv->dev);
-		}
-	}
-}
-
-/**
- * Display controller interrupt handler for pipe event.
- *
- */
-static void mid_pipe_event_handler(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-
-	uint32_t pipe_stat_val = 0;
-	uint32_t pipe_stat_reg = psb_pipestat(pipe);
-	uint32_t pipe_enable = dev_priv->pipestat[pipe];
-	uint32_t pipe_status = dev_priv->pipestat[pipe] >> 16;
-	uint32_t pipe_clear;
-	uint32_t i = 0;
-
-	spin_lock(&dev_priv->irqmask_lock);
-
-	pipe_stat_val = PSB_RVDC32(pipe_stat_reg);
-	pipe_stat_val &= pipe_enable | pipe_status;
-	pipe_stat_val &= pipe_stat_val >> 16;
-
-	spin_unlock(&dev_priv->irqmask_lock);
-
-	/* Clear the 2nd level interrupt status bits
-	 * Sometimes the bits are very sticky so we repeat until they unstick */
-	for (i = 0; i < 0xffff; i++) {
-		PSB_WVDC32(PSB_RVDC32(pipe_stat_reg), pipe_stat_reg);
-		pipe_clear = PSB_RVDC32(pipe_stat_reg) & pipe_status;
-
-		if (pipe_clear == 0)
-			break;
-	}
-
-	if (pipe_clear)
-		dev_err(dev->dev,
-		"%s, can't clear status bits for pipe %d, its value = 0x%x.\n",
-		__func__, pipe, PSB_RVDC32(pipe_stat_reg));
-
-	if (pipe_stat_val & PIPE_VBLANK_STATUS)
-		drm_handle_vblank(dev, pipe);
-
-	if (pipe_stat_val & PIPE_TE_STATUS)
-		drm_handle_vblank(dev, pipe);
-}
-
-/*
- * Display controller interrupt handler.
- */
-static void psb_vdc_interrupt(struct drm_device *dev, uint32_t vdc_stat)
-{
-	if (vdc_stat & _PSB_VSYNC_PIPEA_FLAG)
-		mid_pipe_event_handler(dev, 0);
-
-	if (vdc_stat & _PSB_VSYNC_PIPEB_FLAG)
-		mid_pipe_event_handler(dev, 1);
-}
-
-irqreturn_t psb_irq_handler(DRM_IRQ_ARGS)
-{
-	struct drm_device *dev = (struct drm_device *) arg;
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-
-	uint32_t vdc_stat, dsp_int = 0, sgx_int = 0;
-	int handled = 0;
-
-	spin_lock(&dev_priv->irqmask_lock);
-
-	vdc_stat = PSB_RVDC32(PSB_INT_IDENTITY_R);
-
-	if (vdc_stat & _PSB_PIPE_EVENT_FLAG)
-		dsp_int = 1;
-
-	/* FIXME: Handle Medfield
-	if (vdc_stat & _MDFLD_DISP_ALL_IRQ_FLAG)
-		dsp_int = 1;
-	*/
-
-	if (vdc_stat & _PSB_IRQ_SGX_FLAG)
-		sgx_int = 1;
-
-	vdc_stat &= dev_priv->vdc_irq_mask;
-	spin_unlock(&dev_priv->irqmask_lock);
-
-	if (dsp_int && gma_power_is_on(dev)) {
-		psb_vdc_interrupt(dev, vdc_stat);
-		handled = 1;
-	}
-
-	if (sgx_int) {
-		/* Not expected - we have it masked, shut it up */
-		u32 s, s2;
-		s = PSB_RSGX32(PSB_CR_EVENT_STATUS);
-		s2 = PSB_RSGX32(PSB_CR_EVENT_STATUS2);
-		PSB_WSGX32(s, PSB_CR_EVENT_HOST_CLEAR);
-		PSB_WSGX32(s2, PSB_CR_EVENT_HOST_CLEAR2);
-		/* if s & _PSB_CE_TWOD_COMPLETE we have 2D done but
-		   we may as well poll even if we add that ! */
-		handled = 1;
-	}
-
-	PSB_WVDC32(vdc_stat, PSB_INT_IDENTITY_R);
-	(void) PSB_RVDC32(PSB_INT_IDENTITY_R);
-	DRM_READMEMORYBARRIER();
-
-	if (!handled)
-		return IRQ_NONE;
-
-	return IRQ_HANDLED;
-}
-
-void psb_irq_preinstall(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	if (gma_power_is_on(dev))
-		PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-	if (dev->vblank_enabled[0])
-		dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG;
-	if (dev->vblank_enabled[1])
-		dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
-
-	/* FIXME: Handle Medfield irq mask
-	if (dev->vblank_enabled[1])
-		dev_priv->vdc_irq_mask |= _MDFLD_PIPEB_EVENT_FLAG;
-	if (dev->vblank_enabled[2])
-		dev_priv->vdc_irq_mask |= _MDFLD_PIPEC_EVENT_FLAG;
-	*/
-
-	/* This register is safe even if display island is off */
-	PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-int psb_irq_postinstall(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	/* This register is safe even if display island is off */
-	PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-	PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-
-	if (dev->vblank_enabled[0])
-		psb_enable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
-	else
-		psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	if (dev->vblank_enabled[1])
-		psb_enable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
-	else
-		psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	if (dev->vblank_enabled[2])
-		psb_enable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
-	else
-		psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-	return 0;
-}
-
-void psb_irq_uninstall(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-
-	if (dev->vblank_enabled[0])
-		psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	if (dev->vblank_enabled[1])
-		psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	if (dev->vblank_enabled[2])
-		psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	dev_priv->vdc_irq_mask &= _PSB_IRQ_SGX_FLAG |
-				  _PSB_IRQ_MSVDX_FLAG |
-				  _LNC_IRQ_TOPAZ_FLAG;
-
-	/* These two registers are safe even if display island is off */
-	PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-	PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-
-	wmb();
-
-	/* This register is safe even if display island is off */
-	PSB_WVDC32(PSB_RVDC32(PSB_INT_IDENTITY_R), PSB_INT_IDENTITY_R);
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-void psb_irq_turn_on_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *) dev->dev_private;
-	u32 hist_reg;
-	u32 pwm_reg;
-
-	if (gma_power_begin(dev, false)) {
-		PSB_WVDC32(1 << 31, HISTOGRAM_LOGIC_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
-		PSB_WVDC32(1 << 31, HISTOGRAM_INT_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-
-		PSB_WVDC32(0x80010100, PWM_CONTROL_LOGIC);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-		PSB_WVDC32(pwm_reg | PWM_PHASEIN_ENABLE
-						| PWM_PHASEIN_INT_ENABLE,
-							   PWM_CONTROL_LOGIC);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-		psb_enable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
-
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-		PSB_WVDC32(hist_reg | HISTOGRAM_INT_CTRL_CLEAR,
-							HISTOGRAM_INT_CONTROL);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-		PSB_WVDC32(pwm_reg | 0x80010100 | PWM_PHASEIN_ENABLE,
-							PWM_CONTROL_LOGIC);
-
-		gma_power_end(dev);
-	}
-}
-
-int psb_irq_enable_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	/* enable DPST */
-	mid_enable_pipe_event(dev_priv, 0);
-	psb_irq_turn_on_dpst(dev);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-	return 0;
-}
-
-void psb_irq_turn_off_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	u32 hist_reg;
-	u32 pwm_reg;
-
-	if (gma_power_begin(dev, false)) {
-		PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-
-		psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
-
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-		PSB_WVDC32(pwm_reg & !(PWM_PHASEIN_INT_ENABLE),
-							PWM_CONTROL_LOGIC);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-		gma_power_end(dev);
-	}
-}
-
-int psb_irq_disable_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	mid_disable_pipe_event(dev_priv, 0);
-	psb_irq_turn_off_dpst(dev);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-
-	return 0;
-}
-
-#ifdef PSB_FIXME
-static int psb_vblank_do_wait(struct drm_device *dev,
-			      unsigned int *sequence, atomic_t *counter)
-{
-	unsigned int cur_vblank;
-	int ret = 0;
-	DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
-		    (((cur_vblank = atomic_read(counter))
-		      - *sequence) <= (1 << 23)));
-	*sequence = cur_vblank;
-
-	return ret;
-}
-#endif
-
-/*
- * It is used to enable VBLANK interrupt
- */
-int psb_enable_vblank(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long irqflags;
-	uint32_t reg_val = 0;
-	uint32_t pipeconf_reg = mid_pipeconf(pipe);
-
-#if defined(CONFIG_DRM_PSB_MFLD)
-	/* Medfield is different - we should perhaps extract out vblank
-	   and blacklight etc ops */
-	if (IS_MFLD(dev) && !mdfld_panel_dpi(dev))
-		return mdfld_enable_te(dev, pipe);
-#endif
-	if (gma_power_begin(dev, false)) {
-		reg_val = REG_READ(pipeconf_reg);
-		gma_power_end(dev);
-	}
-
-	if (!(reg_val & PIPEACONF_ENABLE))
-		return -EINVAL;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	if (pipe == 0)
-		dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG;
-	else if (pipe == 1)
-		dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
-
-	PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-	PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-	psb_enable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-
-	return 0;
-}
-
-/*
- * It is used to disable VBLANK interrupt
- */
-void psb_disable_vblank(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long irqflags;
-
-#if defined(CONFIG_DRM_PSB_MFLD)
-	if (IS_MFLD(dev) && !mdfld_panel_dpi(dev))
-		mdfld_disable_te(dev, pipe);
-#endif
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	if (pipe == 0)
-		dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEA_FLAG;
-	else if (pipe == 1)
-		dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEB_FLAG;
-
-	PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-	PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-	psb_disable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-/**
- *	mdfld_enable_te		-	enable TE events
- *	@dev: our DRM device
- *	@pipe: which pipe to work on
- *
- *	Enable TE events on a Medfield display pipe. Medfield specific.
- */
-int mdfld_enable_te(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-	uint32_t reg_val = 0;
-	uint32_t pipeconf_reg = mid_pipeconf(pipe);
-
-	if (gma_power_begin(dev, false)) {
-		reg_val = REG_READ(pipeconf_reg);
-		gma_power_end(dev);
-	}
-
-	if (!(reg_val & PIPEACONF_ENABLE))
-		return -EINVAL;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, flags);
-
-	mid_enable_pipe_event(dev_priv, pipe);
-	psb_enable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags);
-
-	return 0;
-}
-
-/**
- *	mdfld_disable_te		-	disable TE events
- *	@dev: our DRM device
- *	@pipe: which pipe to work on
- *
- *	Disable TE events on a Medfield display pipe. Medfield specific.
- */
-void mdfld_disable_te(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, flags);
-
-	mid_disable_pipe_event(dev_priv, pipe);
-	psb_disable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags);
-}
-
-/* Called from drm generic code, passed a 'crtc', which
- * we use as a pipe index
- */
-u32 psb_get_vblank_counter(struct drm_device *dev, int pipe)
-{
-	uint32_t high_frame = PIPEAFRAMEHIGH;
-	uint32_t low_frame = PIPEAFRAMEPIXEL;
-	uint32_t pipeconf_reg = PIPEACONF;
-	uint32_t reg_val = 0;
-	uint32_t high1 = 0, high2 = 0, low = 0, count = 0;
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		high_frame = PIPEBFRAMEHIGH;
-		low_frame = PIPEBFRAMEPIXEL;
-		pipeconf_reg = PIPEBCONF;
-		break;
-	case 2:
-		high_frame = PIPECFRAMEHIGH;
-		low_frame = PIPECFRAMEPIXEL;
-		pipeconf_reg = PIPECCONF;
-		break;
-	default:
-		dev_err(dev->dev, "%s, invalid pipe.\n", __func__);
-		return 0;
-	}
-
-	if (!gma_power_begin(dev, false))
-		return 0;
-
-	reg_val = REG_READ(pipeconf_reg);
-
-	if (!(reg_val & PIPEACONF_ENABLE)) {
-		dev_err(dev->dev, "trying to get vblank count for disabled pipe %d\n",
-								pipe);
-		goto psb_get_vblank_counter_exit;
-	}
-
-	/*
-	 * High & low register fields aren't synchronized, so make sure
-	 * we get a low value that's stable across two reads of the high
-	 * register.
-	 */
-	do {
-		high1 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
-			 PIPE_FRAME_HIGH_SHIFT);
-		low =  ((REG_READ(low_frame) & PIPE_FRAME_LOW_MASK) >>
-			PIPE_FRAME_LOW_SHIFT);
-		high2 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
-			 PIPE_FRAME_HIGH_SHIFT);
-	} while (high1 != high2);
-
-	count = (high1 << 8) | low;
-
-psb_get_vblank_counter_exit:
-
-	gma_power_end(dev);
-
-	return count;
-}
-
diff --git a/drivers/staging/gma500/psb_irq.h b/drivers/staging/gma500/psb_irq.h
deleted file mode 100644
index 216fda38b57d..000000000000
--- a/drivers/staging/gma500/psb_irq.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *    Benjamin Defnet <benjamin.r.defnet@intel.com>
- *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- *
- **************************************************************************/
-
-#ifndef _SYSIRQ_H_
-#define _SYSIRQ_H_
-
-#include <drm/drmP.h>
-
-bool sysirq_init(struct drm_device *dev);
-void sysirq_uninit(struct drm_device *dev);
-
-void psb_irq_preinstall(struct drm_device *dev);
-int  psb_irq_postinstall(struct drm_device *dev);
-void psb_irq_uninstall(struct drm_device *dev);
-irqreturn_t psb_irq_handler(DRM_IRQ_ARGS);
-
-int psb_irq_enable_dpst(struct drm_device *dev);
-int psb_irq_disable_dpst(struct drm_device *dev);
-void psb_irq_turn_on_dpst(struct drm_device *dev);
-void psb_irq_turn_off_dpst(struct drm_device *dev);
-int  psb_enable_vblank(struct drm_device *dev, int pipe);
-void psb_disable_vblank(struct drm_device *dev, int pipe);
-u32  psb_get_vblank_counter(struct drm_device *dev, int pipe);
-
-#endif /* _SYSIRQ_H_ */
diff --git a/drivers/staging/gma500/psb_lid.c b/drivers/staging/gma500/psb_lid.c
deleted file mode 100644
index b867aabe6bf3..000000000000
--- a/drivers/staging/gma500/psb_lid.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
- **************************************************************************/
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include <linux/spinlock.h>
-
-static void psb_lid_timer_func(unsigned long data)
-{
-	struct drm_psb_private * dev_priv = (struct drm_psb_private *)data;
-	struct drm_device *dev = (struct drm_device *)dev_priv->dev;
-	struct timer_list *lid_timer = &dev_priv->lid_timer;
-	unsigned long irq_flags;
-	u32 *lid_state = dev_priv->lid_state;
-	u32 pp_status;
-
-	if (readl(lid_state) == dev_priv->lid_last_state)
-		goto lid_timer_schedule;
-
-	if ((readl(lid_state)) & 0x01) {
-		/*lid state is open*/
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-
-		/*FIXME: should be backlight level before*/
-		psb_intel_lvds_set_brightness(dev, 100);
-	} else {
-		psb_intel_lvds_set_brightness(dev, 0);
-
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & ~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-	}
-	dev_priv->lid_last_state =  readl(lid_state);
-
-lid_timer_schedule:
-	spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
-	if (!timer_pending(lid_timer)) {
-		lid_timer->expires = jiffies + PSB_LID_DELAY;
-		add_timer(lid_timer);
-	}
-	spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
-}
-
-void psb_lid_timer_init(struct drm_psb_private *dev_priv)
-{
-	struct timer_list *lid_timer = &dev_priv->lid_timer;
-	unsigned long irq_flags;
-
-	spin_lock_init(&dev_priv->lid_lock);
-	spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
-
-	init_timer(lid_timer);
-
-	lid_timer->data = (unsigned long)dev_priv;
-	lid_timer->function = psb_lid_timer_func;
-	lid_timer->expires = jiffies + PSB_LID_DELAY;
-
-	add_timer(lid_timer);
-	spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
-}
-
-void psb_lid_timer_takedown(struct drm_psb_private *dev_priv)
-{
-	del_timer_sync(&dev_priv->lid_timer);
-}
-
diff --git a/drivers/staging/gma500/psb_reg.h b/drivers/staging/gma500/psb_reg.h
deleted file mode 100644
index b81c7c1e9c2d..000000000000
--- a/drivers/staging/gma500/psb_reg.h
+++ /dev/null
@@ -1,582 +0,0 @@
-/**************************************************************************
- *
- * Copyright (c) (2005-2007) Imagination Technologies Limited.
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA..
- *
- **************************************************************************/
-
-#ifndef _PSB_REG_H_
-#define _PSB_REG_H_
-
-#define PSB_CR_CLKGATECTL		0x0000
-#define _PSB_C_CLKGATECTL_AUTO_MAN_REG		(1 << 24)
-#define _PSB_C_CLKGATECTL_USE_CLKG_SHIFT	(20)
-#define _PSB_C_CLKGATECTL_USE_CLKG_MASK		(0x3 << 20)
-#define _PSB_C_CLKGATECTL_DPM_CLKG_SHIFT	(16)
-#define _PSB_C_CLKGATECTL_DPM_CLKG_MASK		(0x3 << 16)
-#define _PSB_C_CLKGATECTL_TA_CLKG_SHIFT		(12)
-#define _PSB_C_CLKGATECTL_TA_CLKG_MASK		(0x3 << 12)
-#define _PSB_C_CLKGATECTL_TSP_CLKG_SHIFT	(8)
-#define _PSB_C_CLKGATECTL_TSP_CLKG_MASK		(0x3 << 8)
-#define _PSB_C_CLKGATECTL_ISP_CLKG_SHIFT	(4)
-#define _PSB_C_CLKGATECTL_ISP_CLKG_MASK		(0x3 << 4)
-#define _PSB_C_CLKGATECTL_2D_CLKG_SHIFT		(0)
-#define _PSB_C_CLKGATECTL_2D_CLKG_MASK		(0x3 << 0)
-#define _PSB_C_CLKGATECTL_CLKG_ENABLED		(0)
-#define _PSB_C_CLKGATECTL_CLKG_DISABLED		(1)
-#define _PSB_C_CLKGATECTL_CLKG_AUTO		(2)
-
-#define PSB_CR_CORE_ID			0x0010
-#define _PSB_CC_ID_ID_SHIFT			(16)
-#define _PSB_CC_ID_ID_MASK			(0xFFFF << 16)
-#define _PSB_CC_ID_CONFIG_SHIFT			(0)
-#define _PSB_CC_ID_CONFIG_MASK			(0xFFFF << 0)
-
-#define PSB_CR_CORE_REVISION		0x0014
-#define _PSB_CC_REVISION_DESIGNER_SHIFT		(24)
-#define _PSB_CC_REVISION_DESIGNER_MASK		(0xFF << 24)
-#define _PSB_CC_REVISION_MAJOR_SHIFT		(16)
-#define _PSB_CC_REVISION_MAJOR_MASK		(0xFF << 16)
-#define _PSB_CC_REVISION_MINOR_SHIFT		(8)
-#define _PSB_CC_REVISION_MINOR_MASK		(0xFF << 8)
-#define _PSB_CC_REVISION_MAINTENANCE_SHIFT	(0)
-#define _PSB_CC_REVISION_MAINTENANCE_MASK	(0xFF << 0)
-
-#define PSB_CR_DESIGNER_REV_FIELD1	0x0018
-
-#define PSB_CR_SOFT_RESET		0x0080
-#define _PSB_CS_RESET_TSP_RESET		(1 << 6)
-#define _PSB_CS_RESET_ISP_RESET		(1 << 5)
-#define _PSB_CS_RESET_USE_RESET		(1 << 4)
-#define _PSB_CS_RESET_TA_RESET		(1 << 3)
-#define _PSB_CS_RESET_DPM_RESET		(1 << 2)
-#define _PSB_CS_RESET_TWOD_RESET	(1 << 1)
-#define _PSB_CS_RESET_BIF_RESET			(1 << 0)
-
-#define PSB_CR_DESIGNER_REV_FIELD2	0x001C
-
-#define PSB_CR_EVENT_HOST_ENABLE2	0x0110
-
-#define PSB_CR_EVENT_STATUS2		0x0118
-
-#define PSB_CR_EVENT_HOST_CLEAR2	0x0114
-#define _PSB_CE2_BIF_REQUESTER_FAULT		(1 << 4)
-
-#define PSB_CR_EVENT_STATUS		0x012C
-
-#define PSB_CR_EVENT_HOST_ENABLE	0x0130
-
-#define PSB_CR_EVENT_HOST_CLEAR		0x0134
-#define _PSB_CE_MASTER_INTERRUPT		(1 << 31)
-#define _PSB_CE_TA_DPM_FAULT			(1 << 28)
-#define _PSB_CE_TWOD_COMPLETE			(1 << 27)
-#define _PSB_CE_DPM_OUT_OF_MEMORY_ZLS		(1 << 25)
-#define _PSB_CE_DPM_TA_MEM_FREE			(1 << 24)
-#define _PSB_CE_PIXELBE_END_RENDER		(1 << 18)
-#define _PSB_CE_SW_EVENT			(1 << 14)
-#define _PSB_CE_TA_FINISHED			(1 << 13)
-#define _PSB_CE_TA_TERMINATE			(1 << 12)
-#define _PSB_CE_DPM_REACHED_MEM_THRESH		(1 << 3)
-#define _PSB_CE_DPM_OUT_OF_MEMORY_GBL		(1 << 2)
-#define _PSB_CE_DPM_OUT_OF_MEMORY_MT		(1 << 1)
-#define _PSB_CE_DPM_3D_MEM_FREE			(1 << 0)
-
-
-#define PSB_USE_OFFSET_MASK		0x0007FFFF
-#define PSB_USE_OFFSET_SIZE		(PSB_USE_OFFSET_MASK + 1)
-#define PSB_CR_USE_CODE_BASE0		0x0A0C
-#define PSB_CR_USE_CODE_BASE1		0x0A10
-#define PSB_CR_USE_CODE_BASE2		0x0A14
-#define PSB_CR_USE_CODE_BASE3		0x0A18
-#define PSB_CR_USE_CODE_BASE4		0x0A1C
-#define PSB_CR_USE_CODE_BASE5		0x0A20
-#define PSB_CR_USE_CODE_BASE6		0x0A24
-#define PSB_CR_USE_CODE_BASE7		0x0A28
-#define PSB_CR_USE_CODE_BASE8		0x0A2C
-#define PSB_CR_USE_CODE_BASE9		0x0A30
-#define PSB_CR_USE_CODE_BASE10		0x0A34
-#define PSB_CR_USE_CODE_BASE11		0x0A38
-#define PSB_CR_USE_CODE_BASE12		0x0A3C
-#define PSB_CR_USE_CODE_BASE13		0x0A40
-#define PSB_CR_USE_CODE_BASE14		0x0A44
-#define PSB_CR_USE_CODE_BASE15		0x0A48
-#define PSB_CR_USE_CODE_BASE(_i)	(0x0A0C + ((_i) << 2))
-#define _PSB_CUC_BASE_DM_SHIFT			(25)
-#define _PSB_CUC_BASE_DM_MASK			(0x3 << 25)
-#define _PSB_CUC_BASE_ADDR_SHIFT		(0)	/* 1024-bit aligned address? */
-#define _PSB_CUC_BASE_ADDR_ALIGNSHIFT		(7)
-#define _PSB_CUC_BASE_ADDR_MASK			(0x1FFFFFF << 0)
-#define _PSB_CUC_DM_VERTEX			(0)
-#define _PSB_CUC_DM_PIXEL			(1)
-#define _PSB_CUC_DM_RESERVED			(2)
-#define _PSB_CUC_DM_EDM				(3)
-
-#define PSB_CR_PDS_EXEC_BASE		0x0AB8
-#define _PSB_CR_PDS_EXEC_BASE_ADDR_SHIFT	(20)	/* 1MB aligned address */
-#define _PSB_CR_PDS_EXEC_BASE_ADDR_ALIGNSHIFT	(20)
-
-#define PSB_CR_EVENT_KICKER		0x0AC4
-#define _PSB_CE_KICKER_ADDRESS_SHIFT		(4)	/* 128-bit aligned address */
-
-#define PSB_CR_EVENT_KICK		0x0AC8
-#define _PSB_CE_KICK_NOW			(1 << 0)
-
-#define PSB_CR_BIF_DIR_LIST_BASE1	0x0C38
-
-#define PSB_CR_BIF_CTRL			0x0C00
-#define _PSB_CB_CTRL_CLEAR_FAULT		(1 << 4)
-#define _PSB_CB_CTRL_INVALDC			(1 << 3)
-#define _PSB_CB_CTRL_FLUSH			(1 << 2)
-
-#define PSB_CR_BIF_INT_STAT		0x0C04
-
-#define PSB_CR_BIF_FAULT		0x0C08
-#define _PSB_CBI_STAT_PF_N_RW			(1 << 14)
-#define _PSB_CBI_STAT_FAULT_SHIFT		(0)
-#define _PSB_CBI_STAT_FAULT_MASK		(0x3FFF << 0)
-#define _PSB_CBI_STAT_FAULT_CACHE		(1 << 1)
-#define _PSB_CBI_STAT_FAULT_TA			(1 << 2)
-#define _PSB_CBI_STAT_FAULT_VDM			(1 << 3)
-#define _PSB_CBI_STAT_FAULT_2D			(1 << 4)
-#define _PSB_CBI_STAT_FAULT_PBE			(1 << 5)
-#define _PSB_CBI_STAT_FAULT_TSP			(1 << 6)
-#define _PSB_CBI_STAT_FAULT_ISP			(1 << 7)
-#define _PSB_CBI_STAT_FAULT_USSEPDS		(1 << 8)
-#define _PSB_CBI_STAT_FAULT_HOST		(1 << 9)
-
-#define PSB_CR_BIF_BANK0		0x0C78
-#define PSB_CR_BIF_BANK1		0x0C7C
-#define PSB_CR_BIF_DIR_LIST_BASE0	0x0C84
-#define PSB_CR_BIF_TWOD_REQ_BASE	0x0C88
-#define PSB_CR_BIF_3D_REQ_BASE		0x0CAC
-
-#define PSB_CR_2D_SOCIF			0x0E18
-#define _PSB_C2_SOCIF_FREESPACE_SHIFT		(0)
-#define _PSB_C2_SOCIF_FREESPACE_MASK		(0xFF << 0)
-#define _PSB_C2_SOCIF_EMPTY			(0x80 << 0)
-
-#define PSB_CR_2D_BLIT_STATUS		0x0E04
-#define _PSB_C2B_STATUS_BUSY			(1 << 24)
-#define _PSB_C2B_STATUS_COMPLETE_SHIFT		(0)
-#define _PSB_C2B_STATUS_COMPLETE_MASK		(0xFFFFFF << 0)
-
-/*
- * 2D defs.
- */
-
-/*
- * 2D Slave Port Data : Block Header's Object Type
- */
-
-#define	PSB_2D_CLIP_BH			(0x00000000)
-#define	PSB_2D_PAT_BH			(0x10000000)
-#define	PSB_2D_CTRL_BH			(0x20000000)
-#define	PSB_2D_SRC_OFF_BH		(0x30000000)
-#define	PSB_2D_MASK_OFF_BH		(0x40000000)
-#define	PSB_2D_RESERVED1_BH		(0x50000000)
-#define	PSB_2D_RESERVED2_BH		(0x60000000)
-#define	PSB_2D_FENCE_BH			(0x70000000)
-#define	PSB_2D_BLIT_BH			(0x80000000)
-#define	PSB_2D_SRC_SURF_BH		(0x90000000)
-#define	PSB_2D_DST_SURF_BH		(0xA0000000)
-#define	PSB_2D_PAT_SURF_BH		(0xB0000000)
-#define	PSB_2D_SRC_PAL_BH		(0xC0000000)
-#define	PSB_2D_PAT_PAL_BH		(0xD0000000)
-#define	PSB_2D_MASK_SURF_BH		(0xE0000000)
-#define	PSB_2D_FLUSH_BH			(0xF0000000)
-
-/*
- * Clip Definition block (PSB_2D_CLIP_BH)
- */
-#define PSB_2D_CLIPCOUNT_MAX		(1)
-#define PSB_2D_CLIPCOUNT_MASK		(0x00000000)
-#define PSB_2D_CLIPCOUNT_CLRMASK	(0xFFFFFFFF)
-#define PSB_2D_CLIPCOUNT_SHIFT		(0)
-/* clip rectangle min & max */
-#define PSB_2D_CLIP_XMAX_MASK		(0x00FFF000)
-#define PSB_2D_CLIP_XMAX_CLRMASK	(0xFF000FFF)
-#define PSB_2D_CLIP_XMAX_SHIFT		(12)
-#define PSB_2D_CLIP_XMIN_MASK		(0x00000FFF)
-#define PSB_2D_CLIP_XMIN_CLRMASK	(0x00FFF000)
-#define PSB_2D_CLIP_XMIN_SHIFT		(0)
-/* clip rectangle offset */
-#define PSB_2D_CLIP_YMAX_MASK		(0x00FFF000)
-#define PSB_2D_CLIP_YMAX_CLRMASK	(0xFF000FFF)
-#define PSB_2D_CLIP_YMAX_SHIFT		(12)
-#define PSB_2D_CLIP_YMIN_MASK		(0x00000FFF)
-#define PSB_2D_CLIP_YMIN_CLRMASK	(0x00FFF000)
-#define PSB_2D_CLIP_YMIN_SHIFT		(0)
-
-/*
- * Pattern Control (PSB_2D_PAT_BH)
- */
-#define PSB_2D_PAT_HEIGHT_MASK		(0x0000001F)
-#define PSB_2D_PAT_HEIGHT_SHIFT		(0)
-#define PSB_2D_PAT_WIDTH_MASK		(0x000003E0)
-#define PSB_2D_PAT_WIDTH_SHIFT		(5)
-#define PSB_2D_PAT_YSTART_MASK		(0x00007C00)
-#define PSB_2D_PAT_YSTART_SHIFT		(10)
-#define PSB_2D_PAT_XSTART_MASK		(0x000F8000)
-#define PSB_2D_PAT_XSTART_SHIFT		(15)
-
-/*
- * 2D Control block (PSB_2D_CTRL_BH)
- */
-/* Present Flags */
-#define PSB_2D_SRCCK_CTRL		(0x00000001)
-#define PSB_2D_DSTCK_CTRL		(0x00000002)
-#define PSB_2D_ALPHA_CTRL		(0x00000004)
-/* Colour Key Colour (SRC/DST)*/
-#define PSB_2D_CK_COL_MASK		(0xFFFFFFFF)
-#define PSB_2D_CK_COL_CLRMASK		(0x00000000)
-#define PSB_2D_CK_COL_SHIFT		(0)
-/* Colour Key Mask (SRC/DST)*/
-#define PSB_2D_CK_MASK_MASK		(0xFFFFFFFF)
-#define PSB_2D_CK_MASK_CLRMASK		(0x00000000)
-#define PSB_2D_CK_MASK_SHIFT		(0)
-/* Alpha Control (Alpha/RGB)*/
-#define PSB_2D_GBLALPHA_MASK		(0x000FF000)
-#define PSB_2D_GBLALPHA_CLRMASK		(0xFFF00FFF)
-#define PSB_2D_GBLALPHA_SHIFT		(12)
-#define PSB_2D_SRCALPHA_OP_MASK		(0x00700000)
-#define PSB_2D_SRCALPHA_OP_CLRMASK	(0xFF8FFFFF)
-#define PSB_2D_SRCALPHA_OP_SHIFT	(20)
-#define PSB_2D_SRCALPHA_OP_ONE		(0x00000000)
-#define PSB_2D_SRCALPHA_OP_SRC		(0x00100000)
-#define PSB_2D_SRCALPHA_OP_DST		(0x00200000)
-#define PSB_2D_SRCALPHA_OP_SG		(0x00300000)
-#define PSB_2D_SRCALPHA_OP_DG		(0x00400000)
-#define PSB_2D_SRCALPHA_OP_GBL		(0x00500000)
-#define PSB_2D_SRCALPHA_OP_ZERO		(0x00600000)
-#define PSB_2D_SRCALPHA_INVERT		(0x00800000)
-#define PSB_2D_SRCALPHA_INVERT_CLR	(0xFF7FFFFF)
-#define PSB_2D_DSTALPHA_OP_MASK		(0x07000000)
-#define PSB_2D_DSTALPHA_OP_CLRMASK	(0xF8FFFFFF)
-#define PSB_2D_DSTALPHA_OP_SHIFT	(24)
-#define PSB_2D_DSTALPHA_OP_ONE		(0x00000000)
-#define PSB_2D_DSTALPHA_OP_SRC		(0x01000000)
-#define PSB_2D_DSTALPHA_OP_DST		(0x02000000)
-#define PSB_2D_DSTALPHA_OP_SG		(0x03000000)
-#define PSB_2D_DSTALPHA_OP_DG		(0x04000000)
-#define PSB_2D_DSTALPHA_OP_GBL		(0x05000000)
-#define PSB_2D_DSTALPHA_OP_ZERO		(0x06000000)
-#define PSB_2D_DSTALPHA_INVERT		(0x08000000)
-#define PSB_2D_DSTALPHA_INVERT_CLR	(0xF7FFFFFF)
-
-#define PSB_2D_PRE_MULTIPLICATION_ENABLE	(0x10000000)
-#define PSB_2D_PRE_MULTIPLICATION_CLRMASK	(0xEFFFFFFF)
-#define PSB_2D_ZERO_SOURCE_ALPHA_ENABLE		(0x20000000)
-#define PSB_2D_ZERO_SOURCE_ALPHA_CLRMASK	(0xDFFFFFFF)
-
-/*
- *Source Offset (PSB_2D_SRC_OFF_BH)
- */
-#define PSB_2D_SRCOFF_XSTART_MASK	((0x00000FFF) << 12)
-#define PSB_2D_SRCOFF_XSTART_SHIFT	(12)
-#define PSB_2D_SRCOFF_YSTART_MASK	(0x00000FFF)
-#define PSB_2D_SRCOFF_YSTART_SHIFT	(0)
-
-/*
- * Mask Offset (PSB_2D_MASK_OFF_BH)
- */
-#define PSB_2D_MASKOFF_XSTART_MASK	((0x00000FFF) << 12)
-#define PSB_2D_MASKOFF_XSTART_SHIFT	(12)
-#define PSB_2D_MASKOFF_YSTART_MASK	(0x00000FFF)
-#define PSB_2D_MASKOFF_YSTART_SHIFT	(0)
-
-/*
- * 2D Fence (see PSB_2D_FENCE_BH): bits 0:27 are ignored
- */
-
-/*
- *Blit Rectangle (PSB_2D_BLIT_BH)
- */
-
-#define PSB_2D_ROT_MASK			(3 << 25)
-#define PSB_2D_ROT_CLRMASK		(~PSB_2D_ROT_MASK)
-#define PSB_2D_ROT_NONE			(0 << 25)
-#define PSB_2D_ROT_90DEGS		(1 << 25)
-#define PSB_2D_ROT_180DEGS		(2 << 25)
-#define PSB_2D_ROT_270DEGS		(3 << 25)
-
-#define PSB_2D_COPYORDER_MASK		(3 << 23)
-#define PSB_2D_COPYORDER_CLRMASK	(~PSB_2D_COPYORDER_MASK)
-#define PSB_2D_COPYORDER_TL2BR		(0 << 23)
-#define PSB_2D_COPYORDER_BR2TL		(1 << 23)
-#define PSB_2D_COPYORDER_TR2BL		(2 << 23)
-#define PSB_2D_COPYORDER_BL2TR		(3 << 23)
-
-#define PSB_2D_DSTCK_CLRMASK		(0xFF9FFFFF)
-#define PSB_2D_DSTCK_DISABLE		(0x00000000)
-#define PSB_2D_DSTCK_PASS		(0x00200000)
-#define PSB_2D_DSTCK_REJECT		(0x00400000)
-
-#define PSB_2D_SRCCK_CLRMASK		(0xFFE7FFFF)
-#define PSB_2D_SRCCK_DISABLE		(0x00000000)
-#define PSB_2D_SRCCK_PASS		(0x00080000)
-#define PSB_2D_SRCCK_REJECT		(0x00100000)
-
-#define PSB_2D_CLIP_ENABLE		(0x00040000)
-
-#define PSB_2D_ALPHA_ENABLE		(0x00020000)
-
-#define PSB_2D_PAT_CLRMASK		(0xFFFEFFFF)
-#define PSB_2D_PAT_MASK			(0x00010000)
-#define PSB_2D_USE_PAT			(0x00010000)
-#define PSB_2D_USE_FILL			(0x00000000)
-/*
- * Tungsten Graphics note on rop codes: If rop A and rop B are
- * identical, the mask surface will not be read and need not be
- * set up.
- */
-
-#define PSB_2D_ROP3B_MASK		(0x0000FF00)
-#define PSB_2D_ROP3B_CLRMASK		(0xFFFF00FF)
-#define PSB_2D_ROP3B_SHIFT		(8)
-/* rop code A */
-#define PSB_2D_ROP3A_MASK		(0x000000FF)
-#define PSB_2D_ROP3A_CLRMASK		(0xFFFFFF00)
-#define PSB_2D_ROP3A_SHIFT		(0)
-
-#define PSB_2D_ROP4_MASK		(0x0000FFFF)
-/*
- *	DWORD0:	(Only pass if Pattern control == Use Fill Colour)
- *	Fill Colour RGBA8888
- */
-#define PSB_2D_FILLCOLOUR_MASK		(0xFFFFFFFF)
-#define PSB_2D_FILLCOLOUR_SHIFT		(0)
-/*
- *	DWORD1: (Always Present)
- *	X Start (Dest)
- *	Y Start (Dest)
- */
-#define PSB_2D_DST_XSTART_MASK		(0x00FFF000)
-#define PSB_2D_DST_XSTART_CLRMASK	(0xFF000FFF)
-#define PSB_2D_DST_XSTART_SHIFT		(12)
-#define PSB_2D_DST_YSTART_MASK		(0x00000FFF)
-#define PSB_2D_DST_YSTART_CLRMASK	(0xFFFFF000)
-#define PSB_2D_DST_YSTART_SHIFT		(0)
-/*
- *	DWORD2: (Always Present)
- *	X Size (Dest)
- *	Y Size (Dest)
- */
-#define PSB_2D_DST_XSIZE_MASK		(0x00FFF000)
-#define PSB_2D_DST_XSIZE_CLRMASK	(0xFF000FFF)
-#define PSB_2D_DST_XSIZE_SHIFT		(12)
-#define PSB_2D_DST_YSIZE_MASK		(0x00000FFF)
-#define PSB_2D_DST_YSIZE_CLRMASK	(0xFFFFF000)
-#define PSB_2D_DST_YSIZE_SHIFT		(0)
-
-/*
- * Source Surface (PSB_2D_SRC_SURF_BH)
- */
-/*
- * WORD 0
- */
-
-#define PSB_2D_SRC_FORMAT_MASK		(0x00078000)
-#define PSB_2D_SRC_1_PAL		(0x00000000)
-#define PSB_2D_SRC_2_PAL		(0x00008000)
-#define PSB_2D_SRC_4_PAL		(0x00010000)
-#define PSB_2D_SRC_8_PAL		(0x00018000)
-#define PSB_2D_SRC_8_ALPHA		(0x00020000)
-#define PSB_2D_SRC_4_ALPHA		(0x00028000)
-#define PSB_2D_SRC_332RGB		(0x00030000)
-#define PSB_2D_SRC_4444ARGB		(0x00038000)
-#define PSB_2D_SRC_555RGB		(0x00040000)
-#define PSB_2D_SRC_1555ARGB		(0x00048000)
-#define PSB_2D_SRC_565RGB		(0x00050000)
-#define PSB_2D_SRC_0888ARGB		(0x00058000)
-#define PSB_2D_SRC_8888ARGB		(0x00060000)
-#define PSB_2D_SRC_8888UYVY		(0x00068000)
-#define PSB_2D_SRC_RESERVED		(0x00070000)
-#define PSB_2D_SRC_1555ARGB_LOOKUP	(0x00078000)
-
-
-#define PSB_2D_SRC_STRIDE_MASK		(0x00007FFF)
-#define PSB_2D_SRC_STRIDE_CLRMASK	(0xFFFF8000)
-#define PSB_2D_SRC_STRIDE_SHIFT		(0)
-/*
- *  WORD 1 - Base Address
- */
-#define PSB_2D_SRC_ADDR_MASK		(0x0FFFFFFC)
-#define PSB_2D_SRC_ADDR_CLRMASK		(0x00000003)
-#define PSB_2D_SRC_ADDR_SHIFT		(2)
-#define PSB_2D_SRC_ADDR_ALIGNSHIFT	(2)
-
-/*
- * Pattern Surface (PSB_2D_PAT_SURF_BH)
- */
-/*
- *  WORD 0
- */
-
-#define PSB_2D_PAT_FORMAT_MASK		(0x00078000)
-#define PSB_2D_PAT_1_PAL		(0x00000000)
-#define PSB_2D_PAT_2_PAL		(0x00008000)
-#define PSB_2D_PAT_4_PAL		(0x00010000)
-#define PSB_2D_PAT_8_PAL		(0x00018000)
-#define PSB_2D_PAT_8_ALPHA		(0x00020000)
-#define PSB_2D_PAT_4_ALPHA		(0x00028000)
-#define PSB_2D_PAT_332RGB		(0x00030000)
-#define PSB_2D_PAT_4444ARGB		(0x00038000)
-#define PSB_2D_PAT_555RGB		(0x00040000)
-#define PSB_2D_PAT_1555ARGB		(0x00048000)
-#define PSB_2D_PAT_565RGB		(0x00050000)
-#define PSB_2D_PAT_0888ARGB		(0x00058000)
-#define PSB_2D_PAT_8888ARGB		(0x00060000)
-
-#define PSB_2D_PAT_STRIDE_MASK		(0x00007FFF)
-#define PSB_2D_PAT_STRIDE_CLRMASK	(0xFFFF8000)
-#define PSB_2D_PAT_STRIDE_SHIFT		(0)
-/*
- *  WORD 1 - Base Address
- */
-#define PSB_2D_PAT_ADDR_MASK		(0x0FFFFFFC)
-#define PSB_2D_PAT_ADDR_CLRMASK		(0x00000003)
-#define PSB_2D_PAT_ADDR_SHIFT		(2)
-#define PSB_2D_PAT_ADDR_ALIGNSHIFT	(2)
-
-/*
- * Destination Surface (PSB_2D_DST_SURF_BH)
- */
-/*
- * WORD 0
- */
-
-#define PSB_2D_DST_FORMAT_MASK		(0x00078000)
-#define PSB_2D_DST_332RGB		(0x00030000)
-#define PSB_2D_DST_4444ARGB		(0x00038000)
-#define PSB_2D_DST_555RGB		(0x00040000)
-#define PSB_2D_DST_1555ARGB		(0x00048000)
-#define PSB_2D_DST_565RGB		(0x00050000)
-#define PSB_2D_DST_0888ARGB		(0x00058000)
-#define PSB_2D_DST_8888ARGB		(0x00060000)
-#define PSB_2D_DST_8888AYUV		(0x00070000)
-
-#define PSB_2D_DST_STRIDE_MASK		(0x00007FFF)
-#define PSB_2D_DST_STRIDE_CLRMASK	(0xFFFF8000)
-#define PSB_2D_DST_STRIDE_SHIFT		(0)
-/*
- * WORD 1 - Base Address
- */
-#define PSB_2D_DST_ADDR_MASK		(0x0FFFFFFC)
-#define PSB_2D_DST_ADDR_CLRMASK		(0x00000003)
-#define PSB_2D_DST_ADDR_SHIFT		(2)
-#define PSB_2D_DST_ADDR_ALIGNSHIFT	(2)
-
-/*
- * Mask Surface (PSB_2D_MASK_SURF_BH)
- */
-/*
- * WORD 0
- */
-#define PSB_2D_MASK_STRIDE_MASK		(0x00007FFF)
-#define PSB_2D_MASK_STRIDE_CLRMASK	(0xFFFF8000)
-#define PSB_2D_MASK_STRIDE_SHIFT	(0)
-/*
- *  WORD 1 - Base Address
- */
-#define PSB_2D_MASK_ADDR_MASK		(0x0FFFFFFC)
-#define PSB_2D_MASK_ADDR_CLRMASK	(0x00000003)
-#define PSB_2D_MASK_ADDR_SHIFT		(2)
-#define PSB_2D_MASK_ADDR_ALIGNSHIFT	(2)
-
-/*
- * Source Palette (PSB_2D_SRC_PAL_BH)
- */
-
-#define PSB_2D_SRCPAL_ADDR_SHIFT	(0)
-#define PSB_2D_SRCPAL_ADDR_CLRMASK	(0xF0000007)
-#define PSB_2D_SRCPAL_ADDR_MASK		(0x0FFFFFF8)
-#define PSB_2D_SRCPAL_BYTEALIGN		(1024)
-
-/*
- * Pattern Palette (PSB_2D_PAT_PAL_BH)
- */
-
-#define PSB_2D_PATPAL_ADDR_SHIFT	(0)
-#define PSB_2D_PATPAL_ADDR_CLRMASK	(0xF0000007)
-#define PSB_2D_PATPAL_ADDR_MASK		(0x0FFFFFF8)
-#define PSB_2D_PATPAL_BYTEALIGN		(1024)
-
-/*
- * Rop3 Codes (2 LS bytes)
- */
-
-#define PSB_2D_ROP3_SRCCOPY		(0xCCCC)
-#define PSB_2D_ROP3_PATCOPY		(0xF0F0)
-#define PSB_2D_ROP3_WHITENESS		(0xFFFF)
-#define PSB_2D_ROP3_BLACKNESS		(0x0000)
-#define PSB_2D_ROP3_SRC			(0xCC)
-#define PSB_2D_ROP3_PAT			(0xF0)
-#define PSB_2D_ROP3_DST			(0xAA)
-
-/*
- * Sizes.
- */
-
-#define PSB_SCENE_HW_COOKIE_SIZE	16
-#define PSB_TA_MEM_HW_COOKIE_SIZE	16
-
-/*
- * Scene stuff.
- */
-
-#define PSB_NUM_HW_SCENES		2
-
-/*
- * Scheduler completion actions.
- */
-
-#define PSB_RASTER_BLOCK		0
-#define PSB_RASTER			1
-#define PSB_RETURN			2
-#define PSB_TA				3
-
-/* Power management */
-#define PSB_PUNIT_PORT			0x04
-#define PSB_OSPMBA			0x78
-#define PSB_APMBA			0x7a
-#define PSB_APM_CMD			0x0
-#define PSB_APM_STS			0x04
-#define PSB_PWRGT_VID_ENC_MASK		0x30
-#define PSB_PWRGT_VID_DEC_MASK		0xc
-#define PSB_PWRGT_GL3_MASK		0xc0
-
-#define PSB_PM_SSC			0x20
-#define PSB_PM_SSS			0x30
-#define PSB_PWRGT_DISPLAY_MASK		0xc /*on a different BA than video/gfx*/
-#define MDFLD_PWRGT_DISPLAY_A_CNTR	0x0000000c
-#define MDFLD_PWRGT_DISPLAY_B_CNTR	0x0000c000
-#define MDFLD_PWRGT_DISPLAY_C_CNTR	0x00030000
-#define MDFLD_PWRGT_DISP_MIPI_CNTR	0x000c0000
-#define MDFLD_PWRGT_DISPLAY_CNTR    (MDFLD_PWRGT_DISPLAY_A_CNTR | MDFLD_PWRGT_DISPLAY_B_CNTR | MDFLD_PWRGT_DISPLAY_C_CNTR | MDFLD_PWRGT_DISP_MIPI_CNTR) /* 0x000fc00c */
-/* Display SSS register bits are different in A0 vs. B0 */
-#define PSB_PWRGT_GFX_MASK		0x3
-#define MDFLD_PWRGT_DISPLAY_A_STS	0x000000c0
-#define MDFLD_PWRGT_DISPLAY_B_STS	0x00000300
-#define MDFLD_PWRGT_DISPLAY_C_STS	0x00000c00
-#define PSB_PWRGT_GFX_MASK_B0		0xc3
-#define MDFLD_PWRGT_DISPLAY_A_STS_B0	0x0000000c
-#define MDFLD_PWRGT_DISPLAY_B_STS_B0	0x0000c000
-#define MDFLD_PWRGT_DISPLAY_C_STS_B0	0x00030000
-#define MDFLD_PWRGT_DISP_MIPI_STS	0x000c0000
-#define MDFLD_PWRGT_DISPLAY_STS_A0    (MDFLD_PWRGT_DISPLAY_A_STS | MDFLD_PWRGT_DISPLAY_B_STS | MDFLD_PWRGT_DISPLAY_C_STS | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
-#define MDFLD_PWRGT_DISPLAY_STS_B0    (MDFLD_PWRGT_DISPLAY_A_STS_B0 | MDFLD_PWRGT_DISPLAY_B_STS_B0 | MDFLD_PWRGT_DISPLAY_C_STS_B0 | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
-#endif
diff --git a/drivers/staging/omapdrm/Makefile b/drivers/staging/omapdrm/Makefile
index 592cf69020cd..d9cdc120d122 100644
--- a/drivers/staging/omapdrm/Makefile
+++ b/drivers/staging/omapdrm/Makefile
@@ -7,6 +7,7 @@ ccflags-y := -Iinclude/drm -Werror
 omapdrm-y := omap_drv.o \
 	omap_debugfs.o \
 	omap_crtc.o \
+	omap_plane.o \
 	omap_encoder.o \
 	omap_connector.o \
 	omap_fb.o \
diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c
index cffdf5e12394..17ca163e5896 100644
--- a/drivers/staging/omapdrm/omap_crtc.c
+++ b/drivers/staging/omapdrm/omap_crtc.c
@@ -27,196 +27,95 @@
 
 struct omap_crtc {
 	struct drm_crtc base;
-	struct omap_overlay *ovl;
-	struct omap_overlay_info info;
+	struct drm_plane *plane;
+	const char *name;
 	int id;
 
-	/* if there is a pending flip, this will be non-null: */
+	/* if there is a pending flip, these will be non-null: */
 	struct drm_pending_vblank_event *event;
+	struct drm_framebuffer *old_fb;
 };
 
-/* push changes down to dss2 */
-static int commit(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	struct omap_overlay *ovl = omap_crtc->ovl;
-	struct omap_overlay_info *info = &omap_crtc->info;
-	int ret;
-
-	DBG("%s", omap_crtc->ovl->name);
-	DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width,
-			info->out_height, info->screen_width);
-	DBG("%d,%d %08x", info->pos_x, info->pos_y, info->paddr);
-
-	/* NOTE: do we want to do this at all here, or just wait
-	 * for dpms(ON) since other CRTC's may not have their mode
-	 * set yet, so fb dimensions may still change..
-	 */
-	ret = ovl->set_overlay_info(ovl, info);
-	if (ret) {
-		dev_err(dev->dev, "could not set overlay info\n");
-		return ret;
-	}
-
-	/* our encoder doesn't necessarily get a commit() after this, in
-	 * particular in the dpms() and mode_set_base() cases, so force the
-	 * manager to update:
-	 *
-	 * could this be in the encoder somehow?
-	 */
-	if (ovl->manager) {
-		ret = ovl->manager->apply(ovl->manager);
-		if (ret) {
-			dev_err(dev->dev, "could not apply settings\n");
-			return ret;
-		}
-	}
-
-	if (info->enabled) {
-		omap_framebuffer_flush(crtc->fb, crtc->x, crtc->y,
-				crtc->fb->width, crtc->fb->height);
-	}
-
-	return 0;
-}
-
-/* update parameters that are dependent on the framebuffer dimensions and
- * position within the fb that this crtc scans out from. This is called
- * when framebuffer dimensions or x,y base may have changed, either due
- * to our mode, or a change in another crtc that is scanning out of the
- * same fb.
- */
-static void update_scanout(struct drm_crtc *crtc)
-{
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	dma_addr_t paddr;
-	unsigned int screen_width;
-
-	omap_framebuffer_get_buffer(crtc->fb, crtc->x, crtc->y,
-			NULL, &paddr, &screen_width);
-
-	DBG("%s: %d,%d: %08x (%d)", omap_crtc->ovl->name,
-			crtc->x, crtc->y, (u32)paddr, screen_width);
-
-	omap_crtc->info.paddr = paddr;
-	omap_crtc->info.screen_width = screen_width;
-}
-
 static void omap_crtc_gamma_set(struct drm_crtc *crtc,
 		u16 *red, u16 *green, u16 *blue, uint32_t start, uint32_t size)
 {
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
+	/* not supported.. at least not yet */
 }
 
 static void omap_crtc_destroy(struct drm_crtc *crtc)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
+	omap_crtc->plane->funcs->destroy(omap_crtc->plane);
 	drm_crtc_cleanup(crtc);
 	kfree(omap_crtc);
 }
 
 static void omap_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
+	struct omap_drm_private *priv = crtc->dev->dev_private;
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+	int i;
 
-	DBG("%s: %d", omap_crtc->ovl->name, mode);
+	WARN_ON(omap_plane_dpms(omap_crtc->plane, mode));
 
-	if (mode == DRM_MODE_DPMS_ON) {
-		update_scanout(crtc);
-		omap_crtc->info.enabled = true;
-	} else {
-		omap_crtc->info.enabled = false;
+	for (i = 0; i < priv->num_planes; i++) {
+		struct drm_plane *plane = priv->planes[i];
+		if (plane->crtc == crtc)
+			WARN_ON(omap_plane_dpms(plane, mode));
 	}
-
-	WARN_ON(commit(crtc));
 }
 
 static bool omap_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
+		struct drm_display_mode *mode,
+		struct drm_display_mode *adjusted_mode)
 {
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
 	return true;
 }
 
 static int omap_crtc_mode_set(struct drm_crtc *crtc,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode,
-			       int x, int y,
-			       struct drm_framebuffer *old_fb)
+		struct drm_display_mode *mode,
+		struct drm_display_mode *adjusted_mode,
+		int x, int y,
+		struct drm_framebuffer *old_fb)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+	struct drm_plane *plane = omap_crtc->plane;
 
-	DBG("%s: %d,%d: %dx%d", omap_crtc->ovl->name, x, y,
-			mode->hdisplay, mode->vdisplay);
-
-	/* just use adjusted mode */
-	mode = adjusted_mode;
-
-	omap_crtc->info.width = mode->hdisplay;
-	omap_crtc->info.height = mode->vdisplay;
-	omap_crtc->info.out_width = mode->hdisplay;
-	omap_crtc->info.out_height = mode->vdisplay;
-	omap_crtc->info.color_mode = OMAP_DSS_COLOR_RGB24U;
-	omap_crtc->info.rotation_type = OMAP_DSS_ROT_DMA;
-	omap_crtc->info.rotation = OMAP_DSS_ROT_0;
-	omap_crtc->info.global_alpha = 0xff;
-	omap_crtc->info.mirror = 0;
-	omap_crtc->info.mirror = 0;
-	omap_crtc->info.pos_x = 0;
-	omap_crtc->info.pos_y = 0;
-#if 0 /* re-enable when these are available in DSS2 driver */
-	omap_crtc->info.zorder = 3;        /* GUI in the front, video behind */
-	omap_crtc->info.min_x_decim = 1;
-	omap_crtc->info.max_x_decim = 1;
-	omap_crtc->info.min_y_decim = 1;
-	omap_crtc->info.max_y_decim = 1;
-#endif
-
-	update_scanout(crtc);
-
-	return 0;
+	return omap_plane_mode_set(plane, crtc, crtc->fb,
+			0, 0, mode->hdisplay, mode->vdisplay,
+			x << 16, y << 16,
+			mode->hdisplay << 16, mode->vdisplay << 16);
 }
 
 static void omap_crtc_prepare(struct drm_crtc *crtc)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	struct omap_overlay *ovl = omap_crtc->ovl;
-
-	DBG("%s", omap_crtc->ovl->name);
-
-	ovl->get_overlay_info(ovl, &omap_crtc->info);
-
+	DBG("%s", omap_crtc->name);
 	omap_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 }
 
 static void omap_crtc_commit(struct drm_crtc *crtc)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
+	DBG("%s", omap_crtc->name);
 	omap_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
 }
 
 static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
-		    struct drm_framebuffer *old_fb)
+		struct drm_framebuffer *old_fb)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+	struct drm_plane *plane = omap_crtc->plane;
+	struct drm_display_mode *mode = &crtc->mode;
 
-	DBG("%s %d,%d: fb=%p", omap_crtc->ovl->name, x, y, old_fb);
-
-	update_scanout(crtc);
-
-	return commit(crtc);
+	return plane->funcs->update_plane(plane, crtc, crtc->fb,
+			0, 0, mode->hdisplay, mode->vdisplay,
+			x << 16, y << 16,
+			mode->hdisplay << 16, mode->vdisplay << 16);
 }
 
 static void omap_crtc_load_lut(struct drm_crtc *crtc)
 {
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
 }
 
 static void page_flip_cb(void *arg)
@@ -225,15 +124,16 @@ static void page_flip_cb(void *arg)
 	struct drm_device *dev = crtc->dev;
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
 	struct drm_pending_vblank_event *event = omap_crtc->event;
+	struct drm_framebuffer *old_fb = omap_crtc->old_fb;
 	struct timeval now;
 	unsigned long flags;
 
 	WARN_ON(!event);
 
 	omap_crtc->event = NULL;
+	omap_crtc->old_fb = NULL;
 
-	update_scanout(crtc);
-	WARN_ON(commit(crtc));
+	omap_crtc_mode_set_base(crtc, crtc->x, crtc->y, old_fb);
 
 	/* wakeup userspace */
 	/* TODO: this should happen *after* flip in vsync IRQ handler */
@@ -264,10 +164,11 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
 		return -EINVAL;
 	}
 
-	crtc->fb = fb;
+	omap_crtc->old_fb = crtc->fb;
 	omap_crtc->event = event;
+	crtc->fb = fb;
 
-	omap_gem_op_async(omap_framebuffer_bo(fb), OMAP_GEM_READ,
+	omap_gem_op_async(omap_framebuffer_bo(fb, 0), OMAP_GEM_READ,
 			page_flip_cb, crtc);
 
 	return 0;
@@ -290,12 +191,6 @@ static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = {
 	.load_lut = omap_crtc_load_lut,
 };
 
-struct omap_overlay *omap_crtc_get_overlay(struct drm_crtc *crtc)
-{
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	return omap_crtc->ovl;
-}
-
 /* initialize crtc */
 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
 		struct omap_overlay *ovl, int id)
@@ -310,9 +205,13 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
 		goto fail;
 	}
 
-	omap_crtc->ovl = ovl;
-	omap_crtc->id = id;
 	crtc = &omap_crtc->base;
+
+	omap_crtc->plane = omap_plane_init(dev, ovl, (1 << id), true);
+	omap_crtc->plane->crtc = crtc;
+	omap_crtc->name = ovl->name;
+	omap_crtc->id = id;
+
 	drm_crtc_init(dev, crtc, &omap_crtc_funcs);
 	drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs);
 
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
index 602aa2dd49c8..3bbea9aac404 100644
--- a/drivers/staging/omapdrm/omap_drv.c
+++ b/drivers/staging/omapdrm/omap_drv.c
@@ -204,12 +204,6 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
 	struct omap_overlay_manager *mgr = NULL;
 	struct drm_crtc *crtc;
 
-	if (ovl->manager) {
-		DBG("disconnecting %s from %s", ovl->name,
-					ovl->manager->name);
-		ovl->unset_manager(ovl);
-	}
-
 	/* find next best connector, ones with detected connection first
 	 */
 	while (*j < priv->num_connectors && !mgr) {
@@ -245,11 +239,6 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
 		(*j)++;
 	}
 
-	if (mgr) {
-		DBG("connecting %s to %s", ovl->name, mgr->name);
-		ovl->set_manager(ovl, mgr);
-	}
-
 	crtc = omap_crtc_init(dev, ovl, priv->num_crtcs);
 
 	if (!crtc) {
@@ -265,6 +254,26 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
 	return 0;
 }
 
+static int create_plane(struct drm_device *dev, struct omap_overlay *ovl,
+		unsigned int possible_crtcs)
+{
+	struct omap_drm_private *priv = dev->dev_private;
+	struct drm_plane *plane =
+			omap_plane_init(dev, ovl, possible_crtcs, false);
+
+	if (!plane) {
+		dev_err(dev->dev, "could not create plane: %s\n",
+				ovl->name);
+		return -ENOMEM;
+	}
+
+	BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes));
+
+	priv->planes[priv->num_planes++] = plane;
+
+	return 0;
+}
+
 static int match_dev_name(struct omap_dss_device *dssdev, void *data)
 {
 	return !strcmp(dssdev->name, data);
@@ -332,6 +341,12 @@ static int omap_modeset_init(struct drm_device *dev)
 				omap_dss_get_overlay(kms_pdata->ovl_ids[i]);
 			create_crtc(dev, ovl, &j, connected_connectors);
 		}
+
+		for (i = 0; i < kms_pdata->pln_cnt; i++) {
+			struct omap_overlay *ovl =
+				omap_dss_get_overlay(kms_pdata->pln_ids[i]);
+			create_plane(dev, ovl, (1 << priv->num_crtcs) - 1);
+		}
 	} else {
 		/* otherwise just grab up to CONFIG_DRM_OMAP_NUM_CRTCS and try
 		 * to make educated guesses about everything else
@@ -353,6 +368,12 @@ static int omap_modeset_init(struct drm_device *dev)
 			create_crtc(dev, omap_dss_get_overlay(i),
 					&j, connected_connectors);
 		}
+
+		/* use any remaining overlays as drm planes */
+		for (; i < omap_dss_get_num_overlays(); i++) {
+			struct omap_overlay *ovl = omap_dss_get_overlay(i);
+			create_plane(dev, ovl, (1 << priv->num_crtcs) - 1);
+		}
 	}
 
 	/* for now keep the mapping of CRTCs and encoders static.. */
@@ -361,15 +382,7 @@ static int omap_modeset_init(struct drm_device *dev)
 		struct omap_overlay_manager *mgr =
 				omap_encoder_get_manager(encoder);
 
-		encoder->possible_crtcs = 0;
-
-		for (j = 0; j < priv->num_crtcs; j++) {
-			struct omap_overlay *ovl =
-					omap_crtc_get_overlay(priv->crtcs[j]);
-			if (ovl->manager == mgr) {
-				encoder->possible_crtcs |= (1 << j);
-			}
-		}
+		encoder->possible_crtcs = (1 << priv->num_crtcs) - 1;
 
 		DBG("%s: possible_crtcs=%08x", mgr->name,
 					encoder->possible_crtcs);
@@ -377,8 +390,8 @@ static int omap_modeset_init(struct drm_device *dev)
 
 	dump_video_chains();
 
-	dev->mode_config.min_width = 256;
-	dev->mode_config.min_height = 256;
+	dev->mode_config.min_width = 32;
+	dev->mode_config.min_height = 32;
 
 	/* note: eventually will need some cpu_is_omapXYZ() type stuff here
 	 * to fill in these limits properly on different OMAP generations..
@@ -708,6 +721,18 @@ static struct vm_operations_struct omap_gem_vm_ops = {
 	.close = drm_gem_vm_close,
 };
 
+static const struct file_operations omapdriver_fops = {
+		.owner = THIS_MODULE,
+		.open = drm_open,
+		.unlocked_ioctl = drm_ioctl,
+		.release = drm_release,
+		.mmap = omap_gem_mmap,
+		.poll = drm_poll,
+		.fasync = drm_fasync,
+		.read = drm_read,
+		.llseek = noop_llseek,
+};
+
 static struct drm_driver omap_drm_driver = {
 		.driver_features =
 				DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM,
@@ -738,17 +763,7 @@ static struct drm_driver omap_drm_driver = {
 		.dumb_destroy = omap_gem_dumb_destroy,
 		.ioctls = ioctls,
 		.num_ioctls = DRM_OMAP_NUM_IOCTLS,
-		.fops = {
-				.owner = THIS_MODULE,
-				.open = drm_open,
-				.unlocked_ioctl = drm_ioctl,
-				.release = drm_release,
-				.mmap = omap_gem_mmap,
-				.poll = drm_poll,
-				.fasync = drm_fasync,
-				.read = drm_read,
-				.llseek = noop_llseek,
-		},
+		.fops = &omapdriver_fops,
 		.name = DRIVER_NAME,
 		.desc = DRIVER_DESC,
 		.date = DRIVER_DATE,
diff --git a/drivers/staging/omapdrm/omap_drv.h b/drivers/staging/omapdrm/omap_drv.h
index 76c42515ecc5..61fe022dda5b 100644
--- a/drivers/staging/omapdrm/omap_drv.h
+++ b/drivers/staging/omapdrm/omap_drv.h
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
 #include "omap_drm.h"
 #include "omap_priv.h"
 
@@ -41,6 +42,8 @@
 struct omap_drm_private {
 	unsigned int num_crtcs;
 	struct drm_crtc *crtcs[8];
+	unsigned int num_planes;
+	struct drm_plane *planes[8];
 	unsigned int num_encoders;
 	struct drm_encoder *encoders[8];
 	unsigned int num_connectors;
@@ -61,7 +64,17 @@ void omap_fbdev_free(struct drm_device *dev);
 
 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
 		struct omap_overlay *ovl, int id);
-struct omap_overlay *omap_crtc_get_overlay(struct drm_crtc *crtc);
+
+struct drm_plane *omap_plane_init(struct drm_device *dev,
+		struct omap_overlay *ovl, unsigned int possible_crtcs,
+		bool priv);
+int omap_plane_dpms(struct drm_plane *plane, int mode);
+int omap_plane_mode_set(struct drm_plane *plane,
+		struct drm_crtc *crtc, struct drm_framebuffer *fb,
+		int crtc_x, int crtc_y,
+		unsigned int crtc_w, unsigned int crtc_h,
+		uint32_t src_x, uint32_t src_y,
+		uint32_t src_w, uint32_t src_h);
 
 struct drm_encoder *omap_encoder_init(struct drm_device *dev,
 		struct omap_overlay_manager *mgr);
@@ -80,12 +93,14 @@ void omap_connector_flush(struct drm_connector *connector,
 		int x, int y, int w, int h);
 
 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
-		struct drm_file *file, struct drm_mode_fb_cmd *mode_cmd);
+		struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd);
 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
-		struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *bo);
-struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb);
-int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y,
-		void **vaddr, dma_addr_t *paddr, unsigned int *screen_width);
+		struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
+struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
+int omap_framebuffer_pin(struct drm_framebuffer *fb);
+void omap_framebuffer_unpin(struct drm_framebuffer *fb);
+void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y,
+		struct omap_overlay_info *info);
 struct drm_connector *omap_framebuffer_get_next_connector(
 		struct drm_framebuffer *fb, struct drm_connector *from);
 void omap_framebuffer_flush(struct drm_framebuffer *fb,
@@ -132,4 +147,29 @@ static inline int align_pitch(int pitch, int width, int bpp)
 	return ALIGN(pitch, 8 * bytespp);
 }
 
+/* should these be made into common util helpers?
+ */
+
+static inline int objects_lookup(struct drm_device *dev,
+		struct drm_file *filp, uint32_t pixel_format,
+		struct drm_gem_object **bos, uint32_t *handles)
+{
+	int i, n = drm_format_num_planes(pixel_format);
+
+	for (i = 0; i < n; i++) {
+		bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
+		if (!bos[i]) {
+			goto fail;
+		}
+	}
+
+	return 0;
+
+fail:
+	while (--i > 0) {
+		drm_gem_object_unreference_unlocked(bos[i]);
+	}
+	return -ENOENT;
+}
+
 #endif /* __OMAP_DRV_H__ */
diff --git a/drivers/staging/omapdrm/omap_fb.c b/drivers/staging/omapdrm/omap_fb.c
index 0b50c5b3b564..d021a7ec58df 100644
--- a/drivers/staging/omapdrm/omap_fb.c
+++ b/drivers/staging/omapdrm/omap_fb.c
@@ -22,18 +22,57 @@
 #include "drm_crtc.h"
 #include "drm_crtc_helper.h"
 
-
 /*
  * framebuffer funcs
  */
 
+/* per-format info: */
+struct format {
+	enum omap_color_mode dss_format;
+	uint32_t pixel_format;
+	struct {
+		int stride_bpp;           /* this times width is stride */
+		int sub_y;                /* sub-sample in y dimension */
+	} planes[4];
+	bool yuv;
+};
+
+static const struct format formats[] = {
+	/* 16bpp [A]RGB: */
+	{ OMAP_DSS_COLOR_RGB16,       DRM_FORMAT_RGB565,   {{2, 1}}, false }, /* RGB16-565 */
+	{ OMAP_DSS_COLOR_RGB12U,      DRM_FORMAT_RGBX4444, {{2, 1}}, false }, /* RGB12x-4444 */
+	{ OMAP_DSS_COLOR_RGBX16,      DRM_FORMAT_XRGB4444, {{2, 1}}, false }, /* xRGB12-4444 */
+	{ OMAP_DSS_COLOR_RGBA16,      DRM_FORMAT_RGBA4444, {{2, 1}}, false }, /* RGBA12-4444 */
+	{ OMAP_DSS_COLOR_ARGB16,      DRM_FORMAT_ARGB4444, {{2, 1}}, false }, /* ARGB16-4444 */
+	{ OMAP_DSS_COLOR_XRGB16_1555, DRM_FORMAT_XRGB1555, {{2, 1}}, false }, /* xRGB15-1555 */
+	{ OMAP_DSS_COLOR_ARGB16_1555, DRM_FORMAT_ARGB1555, {{2, 1}}, false }, /* ARGB16-1555 */
+	/* 24bpp RGB: */
+	{ OMAP_DSS_COLOR_RGB24P,      DRM_FORMAT_RGB888,   {{3, 1}}, false }, /* RGB24-888 */
+	/* 32bpp [A]RGB: */
+	{ OMAP_DSS_COLOR_RGBX32,      DRM_FORMAT_RGBX8888, {{4, 1}}, false }, /* RGBx24-8888 */
+	{ OMAP_DSS_COLOR_RGB24U,      DRM_FORMAT_XRGB8888, {{4, 1}}, false }, /* xRGB24-8888 */
+	{ OMAP_DSS_COLOR_RGBA32,      DRM_FORMAT_RGBA8888, {{4, 1}}, false }, /* RGBA32-8888 */
+	{ OMAP_DSS_COLOR_ARGB32,      DRM_FORMAT_ARGB8888, {{4, 1}}, false }, /* ARGB32-8888 */
+	/* YUV: */
+	{ OMAP_DSS_COLOR_NV12,        DRM_FORMAT_NV12,     {{1, 1}, {1, 2}}, true },
+	{ OMAP_DSS_COLOR_YUV2,        DRM_FORMAT_YUYV,     {{2, 1}}, true },
+	{ OMAP_DSS_COLOR_UYVY,        DRM_FORMAT_UYVY,     {{2, 1}}, true },
+};
+
+/* per-plane info for the fb: */
+struct plane {
+	struct drm_gem_object *bo;
+	uint32_t pitch;
+	uint32_t offset;
+	dma_addr_t paddr;
+};
+
 #define to_omap_framebuffer(x) container_of(x, struct omap_framebuffer, base)
 
 struct omap_framebuffer {
 	struct drm_framebuffer base;
-	struct drm_gem_object *bo;
-	int size;
-	dma_addr_t paddr;
+	const struct format *format;
+	struct plane planes[4];
 };
 
 static int omap_framebuffer_create_handle(struct drm_framebuffer *fb,
@@ -41,22 +80,23 @@ static int omap_framebuffer_create_handle(struct drm_framebuffer *fb,
 		unsigned int *handle)
 {
 	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
-    return drm_gem_handle_create(file_priv, omap_fb->bo, handle);
+	return drm_gem_handle_create(file_priv,
+			omap_fb->planes[0].bo, handle);
 }
 
 static void omap_framebuffer_destroy(struct drm_framebuffer *fb)
 {
-	struct drm_device *dev = fb->dev;
 	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
+	int i, n = drm_format_num_planes(omap_fb->format->pixel_format);
 
 	DBG("destroy: FB ID: %d (%p)", fb->base.id, fb);
 
 	drm_framebuffer_cleanup(fb);
 
-	if (omap_fb->bo) {
-		if (omap_fb->paddr && omap_gem_put_paddr(omap_fb->bo))
-			dev_err(dev->dev, "could not unmap!\n");
-		drm_gem_object_unreference_unlocked(omap_fb->bo);
+	for (i = 0; i < n; i++) {
+		struct plane *plane = &omap_fb->planes[i];
+		if (plane->bo)
+			drm_gem_object_unreference_unlocked(plane->bo);
 	}
 
 	kfree(omap_fb);
@@ -83,37 +123,76 @@ static const struct drm_framebuffer_funcs omap_framebuffer_funcs = {
 	.dirty = omap_framebuffer_dirty,
 };
 
-/* returns the buffer size */
-int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y,
-		void **vaddr, dma_addr_t *paddr, unsigned int *screen_width)
+/* pins buffer in preparation for scanout */
+int omap_framebuffer_pin(struct drm_framebuffer *fb)
 {
 	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
-	int bpp = fb->bits_per_pixel / 8;
-	unsigned long offset;
+	int ret, i, n = drm_format_num_planes(omap_fb->format->pixel_format);
 
-	offset = (x * bpp) + (y * fb->pitch);
+	for (i = 0; i < n; i++) {
+		struct plane *plane = &omap_fb->planes[i];
+		ret = omap_gem_get_paddr(plane->bo, &plane->paddr, true);
+		if (ret)
+			goto fail;
+	}
 
-	if (vaddr) {
-		void *bo_vaddr = omap_gem_vaddr(omap_fb->bo);
-		/* note: we can only count on having a vaddr for buffers that
-		 * are allocated physically contiguously to begin with (ie.
-		 * dma_alloc_coherent()).  But this should be ok because it
-		 * is only used by legacy fbdev
-		 */
-		BUG_ON(IS_ERR_OR_NULL(bo_vaddr));
-		*vaddr = bo_vaddr + offset;
+	return 0;
+
+fail:
+	while (--i > 0) {
+		struct plane *plane = &omap_fb->planes[i];
+		omap_gem_put_paddr(plane->bo);
 	}
+	return ret;
+}
 
-	*paddr = omap_fb->paddr + offset;
-	*screen_width = fb->pitch / bpp;
+/* releases buffer when done with scanout */
+void omap_framebuffer_unpin(struct drm_framebuffer *fb)
+{
+	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
+	int i, n = drm_format_num_planes(omap_fb->format->pixel_format);
 
-	return omap_fb->size - offset;
+	for (i = 0; i < n; i++) {
+		struct plane *plane = &omap_fb->planes[i];
+		omap_gem_put_paddr(plane->bo);
+	}
 }
 
-struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb)
+/* update ovl info for scanout, handles cases of multi-planar fb's, etc.
+ */
+void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y,
+		struct omap_overlay_info *info)
 {
 	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
-	return omap_fb->bo;
+	const struct format *format = omap_fb->format;
+	struct plane *plane = &omap_fb->planes[0];
+	unsigned int offset;
+
+	offset = plane->offset +
+			(x * format->planes[0].stride_bpp) +
+			(y * plane->pitch / format->planes[0].sub_y);
+
+	info->color_mode   = format->dss_format;
+	info->paddr        = plane->paddr + offset;
+	info->screen_width = plane->pitch / format->planes[0].stride_bpp;
+
+	if (format->dss_format == OMAP_DSS_COLOR_NV12) {
+		plane = &omap_fb->planes[1];
+		offset = plane->offset +
+				(x * format->planes[1].stride_bpp) +
+				(y * plane->pitch / format->planes[1].sub_y);
+		info->p_uv_addr = plane->paddr + offset;
+	} else {
+		info->p_uv_addr = 0;
+	}
+}
+
+struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p)
+{
+	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
+	if (p >= drm_format_num_planes(omap_fb->format->pixel_format))
+		return NULL;
+	return omap_fb->planes[p].bo;
 }
 
 /* iterate thru all the connectors, returning ones that are attached
@@ -171,39 +250,57 @@ void omap_framebuffer_flush(struct drm_framebuffer *fb,
 }
 
 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
-		struct drm_file *file, struct drm_mode_fb_cmd *mode_cmd)
+		struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd)
 {
-	struct drm_gem_object *bo;
+	struct drm_gem_object *bos[4];
 	struct drm_framebuffer *fb;
-	bo = drm_gem_object_lookup(dev, file, mode_cmd->handle);
-	if (!bo) {
-		return ERR_PTR(-ENOENT);
-	}
-	fb = omap_framebuffer_init(dev, mode_cmd, bo);
-	if (!fb) {
-		return ERR_PTR(-ENOMEM);
+	int ret;
+
+	ret = objects_lookup(dev, file, mode_cmd->pixel_format,
+			bos, mode_cmd->handles);
+	if (ret)
+		return ERR_PTR(ret);
+
+	fb = omap_framebuffer_init(dev, mode_cmd, bos);
+	if (IS_ERR(fb)) {
+		int i, n = drm_format_num_planes(mode_cmd->pixel_format);
+		for (i = 0; i < n; i++)
+			drm_gem_object_unreference_unlocked(bos[i]);
+		return fb;
 	}
 	return fb;
 }
 
 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
-		struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *bo)
+		struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos)
 {
 	struct omap_framebuffer *omap_fb;
 	struct drm_framebuffer *fb = NULL;
-	int size, ret;
+	const struct format *format = NULL;
+	int ret, i, n = drm_format_num_planes(mode_cmd->pixel_format);
 
-	DBG("create framebuffer: dev=%p, mode_cmd=%p (%dx%d@%d)",
+	DBG("create framebuffer: dev=%p, mode_cmd=%p (%dx%d@%4.4s)",
 			dev, mode_cmd, mode_cmd->width, mode_cmd->height,
-			mode_cmd->bpp);
+			(char *)&mode_cmd->pixel_format);
+
+	for (i = 0; i < ARRAY_SIZE(formats); i++) {
+		if (formats[i].pixel_format == mode_cmd->pixel_format) {
+			format = &formats[i];
+			break;
+		}
+	}
 
-	/* in case someone tries to feed us a completely bogus stride: */
-	mode_cmd->pitch = align_pitch(mode_cmd->pitch,
-			mode_cmd->width, mode_cmd->bpp);
+	if (!format) {
+		dev_err(dev->dev, "unsupported pixel format: %4.4s\n",
+				(char *)&mode_cmd->pixel_format);
+		ret = -EINVAL;
+		goto fail;
+	}
 
 	omap_fb = kzalloc(sizeof(*omap_fb), GFP_KERNEL);
 	if (!omap_fb) {
 		dev_err(dev->dev, "could not allocate fb\n");
+		ret = -ENOMEM;
 		goto fail;
 	}
 
@@ -216,19 +313,32 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
 
 	DBG("create: FB ID: %d (%p)", fb->base.id, fb);
 
-	size = PAGE_ALIGN(mode_cmd->pitch * mode_cmd->height);
+	omap_fb->format = format;
 
-	if (size > bo->size) {
-		dev_err(dev->dev, "provided buffer object is too small!\n");
-		goto fail;
-	}
+	for (i = 0; i < n; i++) {
+		struct plane *plane = &omap_fb->planes[i];
+		int size, pitch = mode_cmd->pitches[i];
+
+		if (pitch < (mode_cmd->width * format->planes[i].stride_bpp)) {
+			dev_err(dev->dev, "provided buffer pitch is too small! %d < %d\n",
+					pitch, mode_cmd->width * format->planes[i].stride_bpp);
+			ret = -EINVAL;
+			goto fail;
+		}
 
-	omap_fb->bo = bo;
-	omap_fb->size = size;
+		size = pitch * mode_cmd->height / format->planes[i].sub_y;
 
-	if (omap_gem_get_paddr(bo, &omap_fb->paddr, true)) {
-		dev_err(dev->dev, "could not map (paddr)!\n");
-		goto fail;
+		if (size > (bos[i]->size - mode_cmd->offsets[i])) {
+			dev_err(dev->dev, "provided buffer object is too small! %d < %d\n",
+					bos[i]->size - mode_cmd->offsets[i], size);
+			ret = -EINVAL;
+			goto fail;
+		}
+
+		plane->bo     = bos[i];
+		plane->offset = mode_cmd->offsets[i];
+		plane->pitch  = mode_cmd->pitches[i];
+		plane->paddr  = pitch;
 	}
 
 	drm_helper_mode_fill_fb_struct(fb, mode_cmd);
@@ -239,5 +349,5 @@ fail:
 	if (fb) {
 		omap_framebuffer_destroy(fb);
 	}
-	return NULL;
+	return ERR_PTR(ret);
 }
diff --git a/drivers/staging/omapdrm/omap_fbdev.c b/drivers/staging/omapdrm/omap_fbdev.c
index 093ae2f87b20..96940bbfc6f4 100644
--- a/drivers/staging/omapdrm/omap_fbdev.c
+++ b/drivers/staging/omapdrm/omap_fbdev.c
@@ -129,10 +129,8 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
 	struct drm_framebuffer *fb = NULL;
 	union omap_gem_size gsize;
 	struct fb_info *fbi = NULL;
-	struct drm_mode_fb_cmd mode_cmd = {0};
+	struct drm_mode_fb_cmd2 mode_cmd = {0};
 	dma_addr_t paddr;
-	void __iomem *vaddr;
-	int size, screen_width;
 	int ret;
 
 	/* only doing ARGB32 since this is what is needed to alpha-blend
@@ -145,36 +143,56 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
 			sizes->surface_height, sizes->surface_bpp,
 			sizes->fb_width, sizes->fb_height);
 
+	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
+			sizes->surface_depth);
+
 	mode_cmd.width = sizes->surface_width;
 	mode_cmd.height = sizes->surface_height;
 
-	mode_cmd.bpp = sizes->surface_bpp;
-	mode_cmd.depth = sizes->surface_depth;
-
-	mode_cmd.pitch = align_pitch(
-			mode_cmd.width * ((mode_cmd.bpp + 7) / 8),
-			mode_cmd.width, mode_cmd.bpp);
+	mode_cmd.pitches[0] = align_pitch(
+			mode_cmd.width * ((sizes->surface_bpp + 7) / 8),
+			mode_cmd.width, sizes->surface_bpp);
 
 	fbdev->ywrap_enabled = priv->has_dmm && ywrap_enabled;
 	if (fbdev->ywrap_enabled) {
 		/* need to align pitch to page size if using DMM scrolling */
-		mode_cmd.pitch = ALIGN(mode_cmd.pitch, PAGE_SIZE);
+		mode_cmd.pitches[0] = ALIGN(mode_cmd.pitches[0], PAGE_SIZE);
 	}
 
 	/* allocate backing bo */
 	gsize = (union omap_gem_size){
-		.bytes = PAGE_ALIGN(mode_cmd.pitch * mode_cmd.height),
+		.bytes = PAGE_ALIGN(mode_cmd.pitches[0] * mode_cmd.height),
 	};
 	DBG("allocating %d bytes for fb %d", gsize.bytes, dev->primary->index);
 	fbdev->bo = omap_gem_new(dev, gsize, OMAP_BO_SCANOUT | OMAP_BO_WC);
 	if (!fbdev->bo) {
 		dev_err(dev->dev, "failed to allocate buffer object\n");
+		ret = -ENOMEM;
 		goto fail;
 	}
 
-	fb = omap_framebuffer_init(dev, &mode_cmd, fbdev->bo);
-	if (!fb) {
+	fb = omap_framebuffer_init(dev, &mode_cmd, &fbdev->bo);
+	if (IS_ERR(fb)) {
 		dev_err(dev->dev, "failed to allocate fb\n");
+		/* note: if fb creation failed, we can't rely on fb destroy
+		 * to unref the bo:
+		 */
+		drm_gem_object_unreference(fbdev->bo);
+		ret = PTR_ERR(fb);
+		goto fail;
+	}
+
+	/* note: this keeps the bo pinned.. which is perhaps not ideal,
+	 * but is needed as long as we use fb_mmap() to mmap to userspace
+	 * (since this happens using fix.smem_start).  Possibly we could
+	 * implement our own mmap using GEM mmap support to avoid this
+	 * (non-tiled buffer doesn't need to be pinned for fbcon to write
+	 * to it).  Then we just need to be sure that we are able to re-
+	 * pin it in case of an opps.
+	 */
+	ret = omap_gem_get_paddr(fbdev->bo, &paddr, true);
+	if (ret) {
+		dev_err(dev->dev, "could not map (paddr)!\n");
 		ret = -ENOMEM;
 		goto fail;
 	}
@@ -206,18 +224,15 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
 		goto fail_unlock;
 	}
 
-	drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth);
+	drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth);
 	drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height);
 
-	size = omap_framebuffer_get_buffer(fb, 0, 0,
-			&vaddr, &paddr, &screen_width);
-
 	dev->mode_config.fb_base = paddr;
 
-	fbi->screen_base = vaddr;
-	fbi->screen_size = size;
+	fbi->screen_base = omap_gem_vaddr(fbdev->bo);
+	fbi->screen_size = fbdev->bo->size;
 	fbi->fix.smem_start = paddr;
-	fbi->fix.smem_len = size;
+	fbi->fix.smem_len = fbdev->bo->size;
 
 	/* if we have DMM, then we can use it for scrolling by just
 	 * shuffling pages around in DMM rather than doing sw blit.
@@ -362,11 +377,11 @@ void omap_fbdev_free(struct drm_device *dev)
 
 	fbdev = to_omap_fbdev(priv->fbdev);
 
-	kfree(fbdev);
-
 	/* this will free the backing object */
 	if (fbdev->fb)
 		fbdev->fb->funcs->destroy(fbdev->fb);
 
+	kfree(fbdev);
+
 	priv->fbdev = NULL;
 }
diff --git a/drivers/staging/omapdrm/omap_gem.c b/drivers/staging/omapdrm/omap_gem.c
index e0ebd1d139f6..b7d6f886c5cf 100644
--- a/drivers/staging/omapdrm/omap_gem.c
+++ b/drivers/staging/omapdrm/omap_gem.c
@@ -116,6 +116,9 @@ struct omap_gem_object {
 	} *sync;
 };
 
+static int get_pages(struct drm_gem_object *obj, struct page ***pages);
+static uint64_t mmap_offset(struct drm_gem_object *obj);
+
 /* To deal with userspace mmap'ings of 2d tiled buffers, which (a) are
  * not necessarily pinned in TILER all the time, and (b) when they are
  * they are not necessarily page aligned, we reserve one or more small
@@ -149,7 +152,7 @@ static void evict_entry(struct drm_gem_object *obj,
 {
 	if (obj->dev->dev_mapping) {
 		size_t size = PAGE_SIZE * usergart[fmt].height;
-		loff_t off = omap_gem_mmap_offset(obj) +
+		loff_t off = mmap_offset(obj) +
 				(entry->obj_pgoff << PAGE_SHIFT);
 		unmap_mapping_range(obj->dev->dev_mapping, off, size, 1);
 	}
@@ -189,8 +192,6 @@ static inline bool is_shmem(struct drm_gem_object *obj)
 	return obj->filp != NULL;
 }
 
-static int get_pages(struct drm_gem_object *obj, struct page ***pages);
-
 static DEFINE_SPINLOCK(sync_lock);
 
 /** ensure backing pages are allocated */
@@ -251,7 +252,7 @@ static void omap_gem_detach_pages(struct drm_gem_object *obj)
 }
 
 /** get mmap offset */
-uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
+static uint64_t mmap_offset(struct drm_gem_object *obj)
 {
 	if (!obj->map_list.map) {
 		/* Make it mmapable */
@@ -267,6 +268,15 @@ uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
 	return (uint64_t)obj->map_list.hash.key << PAGE_SHIFT;
 }
 
+uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
+{
+	uint64_t offset;
+	mutex_lock(&obj->dev->struct_mutex);
+	offset = mmap_offset(obj);
+	mutex_unlock(&obj->dev->struct_mutex);
+	return offset;
+}
+
 /** get mmap size */
 size_t omap_gem_mmap_size(struct drm_gem_object *obj)
 {
@@ -1034,6 +1044,11 @@ void omap_gem_free_object(struct drm_gem_object *obj)
 		drm_gem_free_mmap_offset(obj);
 	}
 
+	/* this means the object is still pinned.. which really should
+	 * not happen.  I think..
+	 */
+	WARN_ON(omap_obj->paddr_cnt > 0);
+
 	/* don't free externally allocated backing memory */
 	if (!(omap_obj->flags & OMAP_BO_EXT_MEM)) {
 		if (omap_obj->pages) {
diff --git a/drivers/staging/omapdrm/omap_plane.c b/drivers/staging/omapdrm/omap_plane.c
new file mode 100644
index 000000000000..97909124a1fe
--- /dev/null
+++ b/drivers/staging/omapdrm/omap_plane.c
@@ -0,0 +1,344 @@
+/*
+ * drivers/staging/omapdrm/omap_plane.c
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Rob Clark <rob.clark@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "omap_drv.h"
+
+/* some hackery because omapdss has an 'enum omap_plane' (which would be
+ * better named omap_plane_id).. and compiler seems unhappy about having
+ * both a 'struct omap_plane' and 'enum omap_plane'
+ */
+#define omap_plane _omap_plane
+
+/*
+ * plane funcs
+ */
+
+#define to_omap_plane(x) container_of(x, struct omap_plane, base)
+
+struct omap_plane {
+	struct drm_plane base;
+	struct omap_overlay *ovl;
+	struct omap_overlay_info info;
+
+	/* Source values, converted to integers because we don't support
+	 * fractional positions:
+	 */
+	unsigned int src_x, src_y;
+
+	/* last fb that we pinned: */
+	struct drm_framebuffer *pinned_fb;
+};
+
+
+/* push changes down to dss2 */
+static int commit(struct drm_plane *plane)
+{
+	struct drm_device *dev = plane->dev;
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	struct omap_overlay *ovl = omap_plane->ovl;
+	struct omap_overlay_info *info = &omap_plane->info;
+	int ret;
+
+	DBG("%s", ovl->name);
+	DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width,
+			info->out_height, info->screen_width);
+	DBG("%d,%d %08x %08x", info->pos_x, info->pos_y,
+			info->paddr, info->p_uv_addr);
+
+	/* NOTE: do we want to do this at all here, or just wait
+	 * for dpms(ON) since other CRTC's may not have their mode
+	 * set yet, so fb dimensions may still change..
+	 */
+	ret = ovl->set_overlay_info(ovl, info);
+	if (ret) {
+		dev_err(dev->dev, "could not set overlay info\n");
+		return ret;
+	}
+
+	/* our encoder doesn't necessarily get a commit() after this, in
+	 * particular in the dpms() and mode_set_base() cases, so force the
+	 * manager to update:
+	 *
+	 * could this be in the encoder somehow?
+	 */
+	if (ovl->manager) {
+		ret = ovl->manager->apply(ovl->manager);
+		if (ret) {
+			dev_err(dev->dev, "could not apply settings\n");
+			return ret;
+		}
+	}
+
+	if (ovl->is_enabled(ovl)) {
+		omap_framebuffer_flush(plane->fb, info->pos_x, info->pos_y,
+				info->out_width, info->out_height);
+	}
+
+	return 0;
+}
+
+/* when CRTC that we are attached to has potentially changed, this checks
+ * if we are attached to proper manager, and if necessary updates.
+ */
+static void update_manager(struct drm_plane *plane)
+{
+	struct omap_drm_private *priv = plane->dev->dev_private;
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	struct omap_overlay *ovl = omap_plane->ovl;
+	struct omap_overlay_manager *mgr = NULL;
+	int i;
+
+	if (plane->crtc) {
+		for (i = 0; i < priv->num_encoders; i++) {
+			struct drm_encoder *encoder = priv->encoders[i];
+			if (encoder->crtc == plane->crtc) {
+				mgr = omap_encoder_get_manager(encoder);
+				break;
+			}
+		}
+	}
+
+	if (ovl->manager != mgr) {
+		bool enabled = ovl->is_enabled(ovl);
+
+		/* don't switch things around with enabled overlays: */
+		if (enabled)
+			omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+
+		if (ovl->manager) {
+			DBG("disconnecting %s from %s", ovl->name,
+					ovl->manager->name);
+			ovl->unset_manager(ovl);
+		}
+
+		if (mgr) {
+			DBG("connecting %s to %s", ovl->name, mgr->name);
+			ovl->set_manager(ovl, mgr);
+		}
+
+		if (enabled && mgr)
+			omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+	}
+}
+
+/* update which fb (if any) is pinned for scanout */
+static int update_pin(struct drm_plane *plane, struct drm_framebuffer *fb)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	int ret = 0;
+
+	if (omap_plane->pinned_fb != fb) {
+		if (omap_plane->pinned_fb)
+			omap_framebuffer_unpin(omap_plane->pinned_fb);
+		omap_plane->pinned_fb = fb;
+		if (fb)
+			ret = omap_framebuffer_pin(fb);
+	}
+
+	return ret;
+}
+
+/* update parameters that are dependent on the framebuffer dimensions and
+ * position within the fb that this plane scans out from. This is called
+ * when framebuffer or x,y base may have changed.
+ */
+static void update_scanout(struct drm_plane *plane)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	struct omap_overlay_info *info = &omap_plane->info;
+	int ret;
+
+	ret = update_pin(plane, plane->fb);
+	if (ret) {
+		dev_err(plane->dev->dev,
+			"could not pin fb: %d\n", ret);
+		omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+		return;
+	}
+
+	omap_framebuffer_update_scanout(plane->fb,
+			omap_plane->src_x, omap_plane->src_y, info);
+
+	DBG("%s: %d,%d: %08x %08x (%d)", omap_plane->ovl->name,
+			omap_plane->src_x, omap_plane->src_y,
+			(u32)info->paddr, (u32)info->p_uv_addr,
+			info->screen_width);
+}
+
+int omap_plane_mode_set(struct drm_plane *plane,
+		struct drm_crtc *crtc, struct drm_framebuffer *fb,
+		int crtc_x, int crtc_y,
+		unsigned int crtc_w, unsigned int crtc_h,
+		uint32_t src_x, uint32_t src_y,
+		uint32_t src_w, uint32_t src_h)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+
+	/* src values are in Q16 fixed point, convert to integer: */
+	src_x = src_x >> 16;
+	src_y = src_y >> 16;
+	src_w = src_w >> 16;
+	src_h = src_h >> 16;
+
+	omap_plane->info.pos_x = crtc_x;
+	omap_plane->info.pos_y = crtc_y;
+	omap_plane->info.out_width = crtc_w;
+	omap_plane->info.out_height = crtc_h;
+	omap_plane->info.width = src_w;
+	omap_plane->info.height = src_h;
+	omap_plane->src_x = src_x;
+	omap_plane->src_y = src_y;
+
+	/* note: this is done after this fxn returns.. but if we need
+	 * to do a commit/update_scanout, etc before this returns we
+	 * need the current value.
+	 */
+	plane->fb = fb;
+	plane->crtc = crtc;
+
+	update_scanout(plane);
+	update_manager(plane);
+
+	return 0;
+}
+
+static int omap_plane_update(struct drm_plane *plane,
+		struct drm_crtc *crtc, struct drm_framebuffer *fb,
+		int crtc_x, int crtc_y,
+		unsigned int crtc_w, unsigned int crtc_h,
+		uint32_t src_x, uint32_t src_y,
+		uint32_t src_w, uint32_t src_h)
+{
+	omap_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y, crtc_w, crtc_h,
+			src_x, src_y, src_w, src_h);
+	return omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+}
+
+static int omap_plane_disable(struct drm_plane *plane)
+{
+	return omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+}
+
+static void omap_plane_destroy(struct drm_plane *plane)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	DBG("%s", omap_plane->ovl->name);
+	omap_plane_disable(plane);
+	drm_plane_cleanup(plane);
+	kfree(omap_plane);
+}
+
+int omap_plane_dpms(struct drm_plane *plane, int mode)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	struct omap_overlay *ovl = omap_plane->ovl;
+	int r;
+
+	DBG("%s: %d", omap_plane->ovl->name, mode);
+
+	if (mode == DRM_MODE_DPMS_ON) {
+		update_scanout(plane);
+		r = commit(plane);
+		if (!r)
+			r = ovl->enable(ovl);
+	} else {
+		r = ovl->disable(ovl);
+		update_pin(plane, NULL);
+	}
+
+	return r;
+}
+
+static const struct drm_plane_funcs omap_plane_funcs = {
+		.update_plane = omap_plane_update,
+		.disable_plane = omap_plane_disable,
+		.destroy = omap_plane_destroy,
+};
+
+static const uint32_t formats[] = {
+		DRM_FORMAT_RGB565,
+		DRM_FORMAT_RGBX4444,
+		DRM_FORMAT_XRGB4444,
+		DRM_FORMAT_RGBA4444,
+		DRM_FORMAT_ABGR4444,
+		DRM_FORMAT_XRGB1555,
+		DRM_FORMAT_ARGB1555,
+		DRM_FORMAT_RGB888,
+		DRM_FORMAT_RGBX8888,
+		DRM_FORMAT_XRGB8888,
+		DRM_FORMAT_RGBA8888,
+		DRM_FORMAT_ARGB8888,
+		DRM_FORMAT_NV12,
+		DRM_FORMAT_YUYV,
+		DRM_FORMAT_UYVY,
+};
+
+/* initialize plane */
+struct drm_plane *omap_plane_init(struct drm_device *dev,
+		struct omap_overlay *ovl, unsigned int possible_crtcs,
+		bool priv)
+{
+	struct drm_plane *plane = NULL;
+	struct omap_plane *omap_plane;
+
+	DBG("%s: possible_crtcs=%08x, priv=%d", ovl->name,
+			possible_crtcs, priv);
+
+	omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
+	if (!omap_plane) {
+		dev_err(dev->dev, "could not allocate plane\n");
+		goto fail;
+	}
+
+	omap_plane->ovl = ovl;
+	plane = &omap_plane->base;
+
+	drm_plane_init(dev, plane, possible_crtcs, &omap_plane_funcs,
+			formats, ARRAY_SIZE(formats), priv);
+
+	/* get our starting configuration, set defaults for parameters
+	 * we don't currently use, etc:
+	 */
+	ovl->get_overlay_info(ovl, &omap_plane->info);
+	omap_plane->info.rotation_type = OMAP_DSS_ROT_DMA;
+	omap_plane->info.rotation = OMAP_DSS_ROT_0;
+	omap_plane->info.global_alpha = 0xff;
+	omap_plane->info.mirror = 0;
+	omap_plane->info.mirror = 0;
+
+	/* Set defaults depending on whether we are a CRTC or overlay
+	 * layer.
+	 * TODO add ioctl to give userspace an API to change this.. this
+	 * will come in a subsequent patch.
+	 */
+	if (priv)
+		omap_plane->info.zorder = 0;
+	else
+		omap_plane->info.zorder = 1;
+
+	update_manager(plane);
+
+	return plane;
+
+fail:
+	if (plane) {
+		omap_plane_destroy(plane);
+	}
+	return NULL;
+}
diff --git a/drivers/staging/omapdrm/omap_priv.h b/drivers/staging/omapdrm/omap_priv.h
index c324709aa9a1..ef6441447147 100644
--- a/drivers/staging/omapdrm/omap_priv.h
+++ b/drivers/staging/omapdrm/omap_priv.h
@@ -27,14 +27,22 @@
  * pipes/overlays/CRTCs are used.. if this is not provided, then instead the
  * first CONFIG_DRM_OMAP_NUM_CRTCS are used, and they are each connected to
  * one manager, with priority given to managers that are connected to
- * detected devices.  This should be a good default behavior for most cases,
- * but yet there still might be times when you wish to do something different.
+ * detected devices.  Remaining overlays are used as video planes.  This
+ * should be a good default behavior for most cases, but yet there still
+ * might be times when you wish to do something different.
  */
 struct omap_kms_platform_data {
+	/* overlays to use as CRTCs: */
 	int ovl_cnt;
 	const int *ovl_ids;
+
+	/* overlays to use as video planes: */
+	int pln_cnt;
+	const int *pln_ids;
+
 	int mgr_cnt;
 	const int *mgr_ids;
+
 	int dev_cnt;
 	const char **dev_names;
 };
diff --git a/drivers/staging/pohmelfs/Kconfig b/drivers/staging/pohmelfs/Kconfig
deleted file mode 100644
index 8d53b1a1e715..000000000000
--- a/drivers/staging/pohmelfs/Kconfig
+++ /dev/null
@@ -1,20 +0,0 @@
-config POHMELFS
-	tristate "POHMELFS filesystem support"
-	depends on NET
-	select CONNECTOR
-	select CRYPTO
-	select CRYPTO_BLKCIPHER
-	select CRYPTO_HMAC
-	help
-	  POHMELFS stands for Parallel Optimized Host Message Exchange Layered
-	  File System.  This is a network filesystem which supports coherent
-	  caching of data and metadata on clients.
-
-config POHMELFS_DEBUG
-	bool "POHMELFS debugging"
-	depends on POHMELFS
-	default n
-	help
-	  Turns on excessive POHMELFS debugging facilities.
-	  You usually do not want to slow things down noticeably and get really
-	  lots of kernel messages in syslog.
diff --git a/drivers/staging/pohmelfs/Makefile b/drivers/staging/pohmelfs/Makefile
deleted file mode 100644
index 196561ca26bc..000000000000
--- a/drivers/staging/pohmelfs/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-obj-$(CONFIG_POHMELFS)	+= pohmelfs.o
-
-pohmelfs-y := inode.o config.o dir.o net.o path_entry.o trans.o crypto.o lock.o mcache.o
diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c
deleted file mode 100644
index b6c42cb0d1c6..000000000000
--- a/drivers/staging/pohmelfs/config.c
+++ /dev/null
@@ -1,611 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/connector.h>
-#include <linux/crypto.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/string.h>
-#include <linux/in.h>
-#include <linux/slab.h>
-
-#include "netfs.h"
-
-/*
- * Global configuration list.
- * Each client can be asked to get one of them.
- *
- * Allows to provide remote server address (ipv4/v6/whatever), port
- * and so on via kernel connector.
- */
-
-static struct cb_id pohmelfs_cn_id = {.idx = POHMELFS_CN_IDX, .val = POHMELFS_CN_VAL};
-static LIST_HEAD(pohmelfs_config_list);
-static DEFINE_MUTEX(pohmelfs_config_lock);
-
-static inline int pohmelfs_config_eql(struct pohmelfs_ctl *sc, struct pohmelfs_ctl *ctl)
-{
-	if (sc->idx == ctl->idx && sc->type == ctl->type &&
-			sc->proto == ctl->proto &&
-			sc->addrlen == ctl->addrlen &&
-			!memcmp(&sc->addr, &ctl->addr, ctl->addrlen))
-		return 1;
-
-	return 0;
-}
-
-static struct pohmelfs_config_group *pohmelfs_find_config_group(unsigned int idx)
-{
-	struct pohmelfs_config_group *g, *group = NULL;
-
-	list_for_each_entry(g, &pohmelfs_config_list, group_entry) {
-		if (g->idx == idx) {
-			group = g;
-			break;
-		}
-	}
-
-	return group;
-}
-
-static struct pohmelfs_config_group *pohmelfs_find_create_config_group(unsigned int idx)
-{
-	struct pohmelfs_config_group *g;
-
-	g = pohmelfs_find_config_group(idx);
-	if (g)
-		return g;
-
-	g = kzalloc(sizeof(struct pohmelfs_config_group), GFP_KERNEL);
-	if (!g)
-		return NULL;
-
-	INIT_LIST_HEAD(&g->config_list);
-	g->idx = idx;
-	g->num_entry = 0;
-
-	list_add_tail(&g->group_entry, &pohmelfs_config_list);
-
-	return g;
-}
-
-static inline void pohmelfs_insert_config_entry(struct pohmelfs_sb *psb, struct pohmelfs_config *dst)
-{
-	struct pohmelfs_config *tmp;
-
-	INIT_LIST_HEAD(&dst->config_entry);
-
-	list_for_each_entry(tmp, &psb->state_list, config_entry) {
-		if (dst->state.ctl.prio > tmp->state.ctl.prio)
-			list_add_tail(&dst->config_entry, &tmp->config_entry);
-	}
-	if (list_empty(&dst->config_entry))
-		list_add_tail(&dst->config_entry, &psb->state_list);
-}
-
-static int pohmelfs_move_config_entry(struct pohmelfs_sb *psb,
-		struct pohmelfs_config *dst, struct pohmelfs_config *new)
-{
-	if ((dst->state.ctl.prio == new->state.ctl.prio) &&
-		(dst->state.ctl.perm == new->state.ctl.perm))
-		return 0;
-
-	dprintk("%s: dst: prio: %d, perm: %x, new: prio: %d, perm: %d.\n",
-			__func__, dst->state.ctl.prio, dst->state.ctl.perm,
-			new->state.ctl.prio, new->state.ctl.perm);
-	dst->state.ctl.prio = new->state.ctl.prio;
-	dst->state.ctl.perm = new->state.ctl.perm;
-
-	list_del_init(&dst->config_entry);
-	pohmelfs_insert_config_entry(psb, dst);
-	return 0;
-}
-
-/*
- * pohmelfs_copy_config() is used to copy new state configs from the
- * config group (controlled by the netlink messages) into the superblock.
- * This happens either at startup time where no transactions can access
- * the list of the configs (and thus list of the network states), or at
- * run-time, where it is protected by the psb->state_lock.
- */
-int pohmelfs_copy_config(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_config *c, *dst;
-	int err = -ENODEV;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	g = pohmelfs_find_config_group(psb->idx);
-	if (!g)
-		goto out_unlock;
-
-	/*
-	 * Run over all entries in given config group and try to create and
-	 * initialize those, which do not exist in superblock list.
-	 * Skip all existing entries.
-	 */
-
-	list_for_each_entry(c, &g->config_list, config_entry) {
-		err = 0;
-		list_for_each_entry(dst, &psb->state_list, config_entry) {
-			if (pohmelfs_config_eql(&dst->state.ctl, &c->state.ctl)) {
-				err = pohmelfs_move_config_entry(psb, dst, c);
-				if (!err)
-					err = -EEXIST;
-				break;
-			}
-		}
-
-		if (err)
-			continue;
-
-		dst = kzalloc(sizeof(struct pohmelfs_config), GFP_KERNEL);
-		if (!dst) {
-			err = -ENOMEM;
-			break;
-		}
-
-		memcpy(&dst->state.ctl, &c->state.ctl, sizeof(struct pohmelfs_ctl));
-
-		pohmelfs_insert_config_entry(psb, dst);
-
-		err = pohmelfs_state_init_one(psb, dst);
-		if (err) {
-			list_del(&dst->config_entry);
-			kfree(dst);
-		}
-
-		err = 0;
-	}
-
-out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-
-	return err;
-}
-
-int pohmelfs_copy_crypto(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config_group *g;
-	int err = -ENOENT;
-
-	mutex_lock(&pohmelfs_config_lock);
-	g = pohmelfs_find_config_group(psb->idx);
-	if (!g)
-		goto err_out_exit;
-
-	if (g->hash_string) {
-		err = -ENOMEM;
-		psb->hash_string = kstrdup(g->hash_string, GFP_KERNEL);
-		if (!psb->hash_string)
-			goto err_out_exit;
-		psb->hash_strlen = g->hash_strlen;
-	}
-
-	if (g->cipher_string) {
-		psb->cipher_string = kstrdup(g->cipher_string, GFP_KERNEL);
-		if (!psb->cipher_string)
-			goto err_out_free_hash_string;
-		psb->cipher_strlen = g->cipher_strlen;
-	}
-
-	if (g->hash_keysize) {
-		psb->hash_key = kmemdup(g->hash_key, g->hash_keysize,
-					GFP_KERNEL);
-		if (!psb->hash_key)
-			goto err_out_free_cipher_string;
-		psb->hash_keysize = g->hash_keysize;
-	}
-
-	if (g->cipher_keysize) {
-		psb->cipher_key = kmemdup(g->cipher_key, g->cipher_keysize,
-					  GFP_KERNEL);
-		if (!psb->cipher_key)
-			goto err_out_free_hash;
-		psb->cipher_keysize = g->cipher_keysize;
-	}
-
-	mutex_unlock(&pohmelfs_config_lock);
-
-	return 0;
-
-err_out_free_hash:
-	kfree(psb->hash_key);
-err_out_free_cipher_string:
-	kfree(psb->cipher_string);
-err_out_free_hash_string:
-	kfree(psb->hash_string);
-err_out_exit:
-	mutex_unlock(&pohmelfs_config_lock);
-	return err;
-}
-
-static int pohmelfs_send_reply(int err, int msg_num, int action, struct cn_msg *msg, struct pohmelfs_ctl *ctl)
-{
-	struct pohmelfs_cn_ack *ack;
-
-	ack = kzalloc(sizeof(struct pohmelfs_cn_ack), GFP_KERNEL);
-	if (!ack)
-		return -ENOMEM;
-
-	memcpy(&ack->msg, msg, sizeof(struct cn_msg));
-
-	if (action == POHMELFS_CTLINFO_ACK)
-		memcpy(&ack->ctl, ctl, sizeof(struct pohmelfs_ctl));
-
-	ack->msg.len = sizeof(struct pohmelfs_cn_ack) - sizeof(struct cn_msg);
-	ack->msg.ack = msg->ack + 1;
-	ack->error = err;
-	ack->msg_num = msg_num;
-
-	cn_netlink_send(&ack->msg, 0, GFP_KERNEL);
-	kfree(ack);
-	return 0;
-}
-
-static int pohmelfs_cn_disp(struct cn_msg *msg)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data;
-	struct pohmelfs_config *c, *tmp;
-	int err = 0, i = 1;
-
-	if (msg->len != sizeof(struct pohmelfs_ctl))
-		return -EBADMSG;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	g = pohmelfs_find_config_group(ctl->idx);
-	if (!g) {
-		pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL);
-		goto out_unlock;
-	}
-
-	list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-		struct pohmelfs_ctl *sc = &c->state.ctl;
-		if (pohmelfs_send_reply(err, g->num_entry - i, POHMELFS_CTLINFO_ACK, msg, sc)) {
-			err = -ENOMEM;
-			goto out_unlock;
-		}
-		i += 1;
-	}
-
- out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	return err;
-}
-
-static int pohmelfs_cn_dump(struct cn_msg *msg)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_config *c, *tmp;
-	int err = 0, i = 1;
-	int total_msg = 0;
-
-	if (msg->len != sizeof(struct pohmelfs_ctl))
-		return -EBADMSG;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	list_for_each_entry(g, &pohmelfs_config_list, group_entry)
-		total_msg += g->num_entry;
-	if (total_msg == 0) {
-		if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL))
-			err = -ENOMEM;
-		goto out_unlock;
-	}
-
-	list_for_each_entry(g, &pohmelfs_config_list, group_entry) {
-		list_for_each_entry_safe(c, tmp, &g->config_list,
-					 config_entry) {
-			struct pohmelfs_ctl *sc = &c->state.ctl;
-			if (pohmelfs_send_reply(err, total_msg - i,
-						POHMELFS_CTLINFO_ACK, msg,
-						sc)) {
-				err = -ENOMEM;
-				goto out_unlock;
-			}
-			i += 1;
-		}
-	}
-
-out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	return err;
-}
-
-static int pohmelfs_cn_flush(struct cn_msg *msg)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data;
-	struct pohmelfs_config *c, *tmp;
-	int err = 0;
-
-	if (msg->len != sizeof(struct pohmelfs_ctl))
-		return -EBADMSG;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	if (ctl->idx != POHMELFS_NULL_IDX) {
-		g = pohmelfs_find_config_group(ctl->idx);
-
-		if (!g)
-			goto out_unlock;
-
-		list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-			list_del(&c->config_entry);
-			g->num_entry--;
-			kfree(c);
-		}
-	} else {
-		list_for_each_entry(g, &pohmelfs_config_list, group_entry) {
-			list_for_each_entry_safe(c, tmp, &g->config_list,
-						 config_entry) {
-				list_del(&c->config_entry);
-				g->num_entry--;
-				kfree(c);
-			}
-		}
-	}
-
-out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	pohmelfs_cn_dump(msg);
-
-	return err;
-}
-
-static int pohmelfs_modify_config(struct pohmelfs_ctl *old, struct pohmelfs_ctl *new)
-{
-	old->perm = new->perm;
-	old->prio = new->prio;
-	return 0;
-}
-
-static int pohmelfs_cn_ctl(struct cn_msg *msg, int action)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data;
-	struct pohmelfs_config *c, *tmp;
-	int err = 0;
-
-	if (msg->len != sizeof(struct pohmelfs_ctl))
-		return -EBADMSG;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	g = pohmelfs_find_create_config_group(ctl->idx);
-	if (!g) {
-		err = -ENOMEM;
-		goto out_unlock;
-	}
-
-	list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-		struct pohmelfs_ctl *sc = &c->state.ctl;
-
-		if (pohmelfs_config_eql(sc, ctl)) {
-			if (action == POHMELFS_FLAGS_ADD) {
-				err = -EEXIST;
-				goto out_unlock;
-			} else if (action == POHMELFS_FLAGS_DEL) {
-				list_del(&c->config_entry);
-				g->num_entry--;
-				kfree(c);
-				goto out_unlock;
-			} else if (action == POHMELFS_FLAGS_MODIFY) {
-				err = pohmelfs_modify_config(sc, ctl);
-				goto out_unlock;
-			} else {
-				err = -EEXIST;
-				goto out_unlock;
-			}
-		}
-	}
-	if (action == POHMELFS_FLAGS_DEL) {
-		err = -EBADMSG;
-		goto out_unlock;
-	}
-
-	c = kzalloc(sizeof(struct pohmelfs_config), GFP_KERNEL);
-	if (!c) {
-		err = -ENOMEM;
-		goto out_unlock;
-	}
-	memcpy(&c->state.ctl, ctl, sizeof(struct pohmelfs_ctl));
-	g->num_entry++;
-
-	list_add_tail(&c->config_entry, &g->config_list);
-
- out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL))
-		err = -ENOMEM;
-
-	return err;
-}
-
-static int pohmelfs_crypto_hash_init(struct pohmelfs_config_group *g, struct pohmelfs_crypto *c)
-{
-	char *algo = (char *)c->data;
-	u8 *key = (u8 *)(algo + c->strlen);
-
-	if (g->hash_string)
-		return -EEXIST;
-
-	g->hash_string = kstrdup(algo, GFP_KERNEL);
-	if (!g->hash_string)
-		return -ENOMEM;
-	g->hash_strlen = c->strlen;
-	g->hash_keysize = c->keysize;
-
-	g->hash_key = kmemdup(key, c->keysize, GFP_KERNEL);
-	if (!g->hash_key) {
-		kfree(g->hash_string);
-		return -ENOMEM;
-	}
-
-	return 0;
-}
-
-static int pohmelfs_crypto_cipher_init(struct pohmelfs_config_group *g, struct pohmelfs_crypto *c)
-{
-	char *algo = (char *)c->data;
-	u8 *key = (u8 *)(algo + c->strlen);
-
-	if (g->cipher_string)
-		return -EEXIST;
-
-	g->cipher_string = kstrdup(algo, GFP_KERNEL);
-	if (!g->cipher_string)
-		return -ENOMEM;
-	g->cipher_strlen = c->strlen;
-	g->cipher_keysize = c->keysize;
-
-	g->cipher_key = kmemdup(key, c->keysize, GFP_KERNEL);
-	if (!g->cipher_key) {
-		kfree(g->cipher_string);
-		return -ENOMEM;
-	}
-
-	return 0;
-}
-
-static int pohmelfs_cn_crypto(struct cn_msg *msg)
-{
-	struct pohmelfs_crypto *crypto = (struct pohmelfs_crypto *)msg->data;
-	struct pohmelfs_config_group *g;
-	int err = 0;
-
-	dprintk("%s: idx: %u, strlen: %u, type: %u, keysize: %u, algo: %s.\n",
-			__func__, crypto->idx, crypto->strlen, crypto->type,
-			crypto->keysize, (char *)crypto->data);
-
-	mutex_lock(&pohmelfs_config_lock);
-	g = pohmelfs_find_create_config_group(crypto->idx);
-	if (!g) {
-		err = -ENOMEM;
-		goto out_unlock;
-	}
-
-	switch (crypto->type) {
-	case POHMELFS_CRYPTO_HASH:
-			err = pohmelfs_crypto_hash_init(g, crypto);
-			break;
-	case POHMELFS_CRYPTO_CIPHER:
-			err = pohmelfs_crypto_cipher_init(g, crypto);
-			break;
-	default:
-			err = -ENOTSUPP;
-			break;
-	}
-
-out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL))
-		err = -ENOMEM;
-
-	return err;
-}
-
-static void pohmelfs_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
-{
-	int err;
-
-	if (!cap_raised(current_cap(), CAP_SYS_ADMIN))
-		return;
-
-	switch (msg->flags) {
-	case POHMELFS_FLAGS_ADD:
-	case POHMELFS_FLAGS_DEL:
-	case POHMELFS_FLAGS_MODIFY:
-			err = pohmelfs_cn_ctl(msg, msg->flags);
-			break;
-	case POHMELFS_FLAGS_FLUSH:
-			err = pohmelfs_cn_flush(msg);
-			break;
-	case POHMELFS_FLAGS_SHOW:
-			err = pohmelfs_cn_disp(msg);
-			break;
-	case POHMELFS_FLAGS_DUMP:
-			err = pohmelfs_cn_dump(msg);
-			break;
-	case POHMELFS_FLAGS_CRYPTO:
-			err = pohmelfs_cn_crypto(msg);
-			break;
-	default:
-			err = -ENOSYS;
-			break;
-	}
-}
-
-int pohmelfs_config_check(struct pohmelfs_config *config, int idx)
-{
-	struct pohmelfs_ctl *ctl = &config->state.ctl;
-	struct pohmelfs_config *tmp;
-	int err = -ENOENT;
-	struct pohmelfs_ctl *sc;
-	struct pohmelfs_config_group *g;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	g = pohmelfs_find_config_group(ctl->idx);
-	if (g) {
-		list_for_each_entry(tmp, &g->config_list, config_entry) {
-			sc = &tmp->state.ctl;
-
-			if (pohmelfs_config_eql(sc, ctl)) {
-				err = 0;
-				break;
-			}
-		}
-	}
-
-	mutex_unlock(&pohmelfs_config_lock);
-
-	return err;
-}
-
-int __init pohmelfs_config_init(void)
-{
-	/* XXX remove (void *) cast when vanilla connector got synced */
-	return cn_add_callback(&pohmelfs_cn_id, "pohmelfs", (void *)pohmelfs_cn_callback);
-}
-
-void pohmelfs_config_exit(void)
-{
-	struct pohmelfs_config *c, *tmp;
-	struct pohmelfs_config_group *g, *gtmp;
-
-	cn_del_callback(&pohmelfs_cn_id);
-
-	mutex_lock(&pohmelfs_config_lock);
-	list_for_each_entry_safe(g, gtmp, &pohmelfs_config_list, group_entry) {
-		list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-			list_del(&c->config_entry);
-			kfree(c);
-		}
-
-		list_del(&g->group_entry);
-
-		kfree(g->hash_string);
-
-		kfree(g->cipher_string);
-
-		kfree(g);
-	}
-	mutex_unlock(&pohmelfs_config_lock);
-}
diff --git a/drivers/staging/pohmelfs/crypto.c b/drivers/staging/pohmelfs/crypto.c
deleted file mode 100644
index ad92771dce57..000000000000
--- a/drivers/staging/pohmelfs/crypto.c
+++ /dev/null
@@ -1,878 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/crypto.h>
-#include <linux/highmem.h>
-#include <linux/kthread.h>
-#include <linux/pagemap.h>
-#include <linux/scatterlist.h>
-#include <linux/slab.h>
-
-#include "netfs.h"
-
-static struct crypto_hash *pohmelfs_init_hash(struct pohmelfs_sb *psb)
-{
-	int err;
-	struct crypto_hash *hash;
-
-	hash = crypto_alloc_hash(psb->hash_string, 0, CRYPTO_ALG_ASYNC);
-	if (IS_ERR(hash)) {
-		err = PTR_ERR(hash);
-		dprintk("%s: idx: %u: failed to allocate hash '%s', err: %d.\n",
-				__func__, psb->idx, psb->hash_string, err);
-		goto err_out_exit;
-	}
-
-	psb->crypto_attached_size = crypto_hash_digestsize(hash);
-
-	if (!psb->hash_keysize)
-		return hash;
-
-	err = crypto_hash_setkey(hash, psb->hash_key, psb->hash_keysize);
-	if (err) {
-		dprintk("%s: idx: %u: failed to set key for hash '%s', err: %d.\n",
-				__func__, psb->idx, psb->hash_string, err);
-		goto err_out_free;
-	}
-
-	return hash;
-
-err_out_free:
-	crypto_free_hash(hash);
-err_out_exit:
-	return ERR_PTR(err);
-}
-
-static struct crypto_ablkcipher *pohmelfs_init_cipher(struct pohmelfs_sb *psb)
-{
-	int err = -EINVAL;
-	struct crypto_ablkcipher *cipher;
-
-	if (!psb->cipher_keysize)
-		goto err_out_exit;
-
-	cipher = crypto_alloc_ablkcipher(psb->cipher_string, 0, 0);
-	if (IS_ERR(cipher)) {
-		err = PTR_ERR(cipher);
-		dprintk("%s: idx: %u: failed to allocate cipher '%s', err: %d.\n",
-				__func__, psb->idx, psb->cipher_string, err);
-		goto err_out_exit;
-	}
-
-	crypto_ablkcipher_clear_flags(cipher, ~0);
-
-	err = crypto_ablkcipher_setkey(cipher, psb->cipher_key, psb->cipher_keysize);
-	if (err) {
-		dprintk("%s: idx: %u: failed to set key for cipher '%s', err: %d.\n",
-				__func__, psb->idx, psb->cipher_string, err);
-		goto err_out_free;
-	}
-
-	return cipher;
-
-err_out_free:
-	crypto_free_ablkcipher(cipher);
-err_out_exit:
-	return ERR_PTR(err);
-}
-
-int pohmelfs_crypto_engine_init(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb)
-{
-	int err;
-
-	e->page_num = 0;
-
-	e->size = PAGE_SIZE;
-	e->data = kmalloc(e->size, GFP_KERNEL);
-	if (!e->data) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	if (psb->hash_string) {
-		e->hash = pohmelfs_init_hash(psb);
-		if (IS_ERR(e->hash)) {
-			err = PTR_ERR(e->hash);
-			e->hash = NULL;
-			goto err_out_free;
-		}
-	}
-
-	if (psb->cipher_string) {
-		e->cipher = pohmelfs_init_cipher(psb);
-		if (IS_ERR(e->cipher)) {
-			err = PTR_ERR(e->cipher);
-			e->cipher = NULL;
-			goto err_out_free_hash;
-		}
-	}
-
-	return 0;
-
-err_out_free_hash:
-	crypto_free_hash(e->hash);
-err_out_free:
-	kfree(e->data);
-err_out_exit:
-	return err;
-}
-
-void pohmelfs_crypto_engine_exit(struct pohmelfs_crypto_engine *e)
-{
-	crypto_free_hash(e->hash);
-	crypto_free_ablkcipher(e->cipher);
-	kfree(e->data);
-}
-
-static void pohmelfs_crypto_complete(struct crypto_async_request *req, int err)
-{
-	struct pohmelfs_crypto_completion *c = req->data;
-
-	if (err == -EINPROGRESS)
-		return;
-
-	dprintk("%s: req: %p, err: %d.\n", __func__, req, err);
-	c->error = err;
-	complete(&c->complete);
-}
-
-static int pohmelfs_crypto_process(struct ablkcipher_request *req,
-		struct scatterlist *sg_dst, struct scatterlist *sg_src,
-		void *iv, int enc, unsigned long timeout)
-{
-	struct pohmelfs_crypto_completion complete;
-	int err;
-
-	init_completion(&complete.complete);
-	complete.error = -EINPROGRESS;
-
-	ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
-					pohmelfs_crypto_complete, &complete);
-
-	ablkcipher_request_set_crypt(req, sg_src, sg_dst, sg_src->length, iv);
-
-	if (enc)
-		err = crypto_ablkcipher_encrypt(req);
-	else
-		err = crypto_ablkcipher_decrypt(req);
-
-	switch (err) {
-	case -EINPROGRESS:
-	case -EBUSY:
-		err = wait_for_completion_interruptible_timeout(&complete.complete,
-					timeout);
-		if (!err)
-			err = -ETIMEDOUT;
-		else if (err > 0)
-			err = complete.error;
-		break;
-	default:
-		break;
-	}
-
-	return err;
-}
-
-int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 cmd_iv,
-		void *data, struct page *page, unsigned int size)
-{
-	int err;
-	struct scatterlist sg;
-
-	if (!e->cipher && !e->hash)
-		return 0;
-
-	dprintk("%s: eng: %p, iv: %llx, data: %p, page: %p/%lu, size: %u.\n",
-		__func__, e, cmd_iv, data, page, (page) ? page->index : 0, size);
-
-	if (data) {
-		sg_init_one(&sg, data, size);
-	} else {
-		sg_init_table(&sg, 1);
-		sg_set_page(&sg, page, size, 0);
-	}
-
-	if (e->cipher) {
-		struct ablkcipher_request *req = e->data + crypto_hash_digestsize(e->hash);
-		u8 iv[32];
-
-		memset(iv, 0, sizeof(iv));
-		memcpy(iv, &cmd_iv, sizeof(cmd_iv));
-
-		ablkcipher_request_set_tfm(req, e->cipher);
-
-		err = pohmelfs_crypto_process(req, &sg, &sg, iv, 0, e->timeout);
-		if (err)
-			goto err_out_exit;
-	}
-
-	if (e->hash) {
-		struct hash_desc desc;
-		void *dst = e->data + e->size/2;
-
-		desc.tfm = e->hash;
-		desc.flags = 0;
-
-		err = crypto_hash_init(&desc);
-		if (err)
-			goto err_out_exit;
-
-		err = crypto_hash_update(&desc, &sg, size);
-		if (err)
-			goto err_out_exit;
-
-		err = crypto_hash_final(&desc, dst);
-		if (err)
-			goto err_out_exit;
-
-		err = !!memcmp(dst, e->data, crypto_hash_digestsize(e->hash));
-
-		if (err) {
-#ifdef CONFIG_POHMELFS_DEBUG
-			unsigned int i;
-			unsigned char *recv = e->data, *calc = dst;
-
-			dprintk("%s: eng: %p, hash: %p, cipher: %p: iv : %llx, hash mismatch (recv/calc): ",
-					__func__, e, e->hash, e->cipher, cmd_iv);
-			for (i = 0; i < crypto_hash_digestsize(e->hash); ++i) {
-#if 0
-				dprintka("%02x ", recv[i]);
-				if (recv[i] != calc[i]) {
-					dprintka("| calc byte: %02x.\n", calc[i]);
-					break;
-				}
-#else
-				dprintka("%02x/%02x ", recv[i], calc[i]);
-#endif
-			}
-			dprintk("\n");
-#endif
-			goto err_out_exit;
-		} else {
-			dprintk("%s: eng: %p, hash: %p, cipher: %p: hashes matched.\n",
-					__func__, e, e->hash, e->cipher);
-		}
-	}
-
-	dprintk("%s: eng: %p, size: %u, hash: %p, cipher: %p: completed.\n",
-			__func__, e, e->size, e->hash, e->cipher);
-
-	return 0;
-
-err_out_exit:
-	dprintk("%s: eng: %p, hash: %p, cipher: %p: err: %d.\n",
-			__func__, e, e->hash, e->cipher, err);
-	return err;
-}
-
-static int pohmelfs_trans_iter(struct netfs_trans *t, struct pohmelfs_crypto_engine *e,
-		int (*iterator) (struct pohmelfs_crypto_engine *e,
-				  struct scatterlist *dst,
-				  struct scatterlist *src))
-{
-	void *data = t->iovec.iov_base + sizeof(struct netfs_cmd) + t->psb->crypto_attached_size;
-	unsigned int size = t->iovec.iov_len - sizeof(struct netfs_cmd) - t->psb->crypto_attached_size;
-	struct netfs_cmd *cmd = data;
-	unsigned int sz, pages = t->attached_pages, i, csize, cmd_cmd, dpage_idx;
-	struct scatterlist sg_src, sg_dst;
-	int err;
-
-	while (size) {
-		cmd = data;
-		cmd_cmd = __be16_to_cpu(cmd->cmd);
-		csize = __be32_to_cpu(cmd->size);
-		cmd->iv = __cpu_to_be64(e->iv);
-
-		if (cmd_cmd == NETFS_READ_PAGES || cmd_cmd == NETFS_READ_PAGE)
-			csize = __be16_to_cpu(cmd->ext);
-
-		sz = csize + __be16_to_cpu(cmd->cpad) + sizeof(struct netfs_cmd);
-
-		dprintk("%s: size: %u, sz: %u, cmd_size: %u, cmd_cpad: %u.\n",
-				__func__, size, sz, __be32_to_cpu(cmd->size), __be16_to_cpu(cmd->cpad));
-
-		data += sz;
-		size -= sz;
-
-		sg_init_one(&sg_src, cmd->data, sz - sizeof(struct netfs_cmd));
-		sg_init_one(&sg_dst, cmd->data, sz - sizeof(struct netfs_cmd));
-
-		err = iterator(e, &sg_dst, &sg_src);
-		if (err)
-			return err;
-	}
-
-	if (!pages)
-		return 0;
-
-	dpage_idx = 0;
-	for (i = 0; i < t->page_num; ++i) {
-		struct page *page = t->pages[i];
-		struct page *dpage = e->pages[dpage_idx];
-
-		if (!page)
-			continue;
-
-		sg_init_table(&sg_src, 1);
-		sg_init_table(&sg_dst, 1);
-		sg_set_page(&sg_src, page, page_private(page), 0);
-		sg_set_page(&sg_dst, dpage, page_private(page), 0);
-
-		err = iterator(e, &sg_dst, &sg_src);
-		if (err)
-			return err;
-
-		pages--;
-		if (!pages)
-			break;
-		dpage_idx++;
-	}
-
-	return 0;
-}
-
-static int pohmelfs_encrypt_iterator(struct pohmelfs_crypto_engine *e,
-		struct scatterlist *sg_dst, struct scatterlist *sg_src)
-{
-	struct ablkcipher_request *req = e->data;
-	u8 iv[32];
-
-	memset(iv, 0, sizeof(iv));
-
-	memcpy(iv, &e->iv, sizeof(e->iv));
-
-	return pohmelfs_crypto_process(req, sg_dst, sg_src, iv, 1, e->timeout);
-}
-
-static int pohmelfs_encrypt(struct pohmelfs_crypto_thread *tc)
-{
-	struct netfs_trans *t = tc->trans;
-	struct pohmelfs_crypto_engine *e = &tc->eng;
-	struct ablkcipher_request *req = e->data;
-
-	memset(req, 0, sizeof(struct ablkcipher_request));
-	ablkcipher_request_set_tfm(req, e->cipher);
-
-	e->iv = pohmelfs_gen_iv(t);
-
-	return pohmelfs_trans_iter(t, e, pohmelfs_encrypt_iterator);
-}
-
-static int pohmelfs_hash_iterator(struct pohmelfs_crypto_engine *e,
-		struct scatterlist *sg_dst, struct scatterlist *sg_src)
-{
-	return crypto_hash_update(e->data, sg_src, sg_src->length);
-}
-
-static int pohmelfs_hash(struct pohmelfs_crypto_thread *tc)
-{
-	struct pohmelfs_crypto_engine *e = &tc->eng;
-	struct hash_desc *desc = e->data;
-	unsigned char *dst = tc->trans->iovec.iov_base + sizeof(struct netfs_cmd);
-	int err;
-
-	desc->tfm = e->hash;
-	desc->flags = 0;
-
-	err = crypto_hash_init(desc);
-	if (err)
-		return err;
-
-	err = pohmelfs_trans_iter(tc->trans, e, pohmelfs_hash_iterator);
-	if (err)
-		return err;
-
-	err = crypto_hash_final(desc, dst);
-	if (err)
-		return err;
-
-	{
-		unsigned int i;
-		dprintk("%s: ", __func__);
-		for (i = 0; i < tc->psb->crypto_attached_size; ++i)
-			dprintka("%02x ", dst[i]);
-		dprintka("\n");
-	}
-
-	return 0;
-}
-
-static void pohmelfs_crypto_pages_free(struct pohmelfs_crypto_engine *e)
-{
-	unsigned int i;
-
-	for (i = 0; i < e->page_num; ++i)
-		__free_page(e->pages[i]);
-	kfree(e->pages);
-}
-
-static int pohmelfs_crypto_pages_alloc(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb)
-{
-	unsigned int i;
-
-	e->pages = kmalloc(psb->trans_max_pages * sizeof(struct page *), GFP_KERNEL);
-	if (!e->pages)
-		return -ENOMEM;
-
-	for (i = 0; i < psb->trans_max_pages; ++i) {
-		e->pages[i] = alloc_page(GFP_KERNEL);
-		if (!e->pages[i])
-			break;
-	}
-
-	e->page_num = i;
-	if (!e->page_num)
-		goto err_out_free;
-
-	return 0;
-
-err_out_free:
-	kfree(e->pages);
-	return -ENOMEM;
-}
-
-static void pohmelfs_sys_crypto_exit_one(struct pohmelfs_crypto_thread *t)
-{
-	struct pohmelfs_sb *psb = t->psb;
-
-	if (t->thread)
-		kthread_stop(t->thread);
-
-	mutex_lock(&psb->crypto_thread_lock);
-	list_del(&t->thread_entry);
-	psb->crypto_thread_num--;
-	mutex_unlock(&psb->crypto_thread_lock);
-
-	pohmelfs_crypto_engine_exit(&t->eng);
-	pohmelfs_crypto_pages_free(&t->eng);
-	kfree(t);
-}
-
-static int pohmelfs_crypto_finish(struct netfs_trans *t, struct pohmelfs_sb *psb, int err)
-{
-	struct netfs_cmd *cmd = t->iovec.iov_base;
-	netfs_convert_cmd(cmd);
-
-	if (likely(!err))
-		err = netfs_trans_finish_send(t, psb);
-
-	t->result = err;
-	netfs_trans_put(t);
-
-	return err;
-}
-
-void pohmelfs_crypto_thread_make_ready(struct pohmelfs_crypto_thread *th)
-{
-	struct pohmelfs_sb *psb = th->psb;
-
-	th->page = NULL;
-	th->trans = NULL;
-
-	mutex_lock(&psb->crypto_thread_lock);
-	list_move_tail(&th->thread_entry, &psb->crypto_ready_list);
-	mutex_unlock(&psb->crypto_thread_lock);
-	wake_up(&psb->wait);
-}
-
-static int pohmelfs_crypto_thread_trans(struct pohmelfs_crypto_thread *t)
-{
-	struct netfs_trans *trans;
-	int err = 0;
-
-	trans = t->trans;
-	trans->eng = NULL;
-
-	if (t->eng.hash) {
-		err = pohmelfs_hash(t);
-		if (err)
-			goto out_complete;
-	}
-
-	if (t->eng.cipher) {
-		err = pohmelfs_encrypt(t);
-		if (err)
-			goto out_complete;
-		trans->eng = &t->eng;
-	}
-
-out_complete:
-	t->page = NULL;
-	t->trans = NULL;
-
-	if (!trans->eng)
-		pohmelfs_crypto_thread_make_ready(t);
-
-	pohmelfs_crypto_finish(trans, t->psb, err);
-	return err;
-}
-
-static int pohmelfs_crypto_thread_page(struct pohmelfs_crypto_thread *t)
-{
-	struct pohmelfs_crypto_engine *e = &t->eng;
-	struct page *page = t->page;
-	int err;
-
-	WARN_ON(!PageChecked(page));
-
-	err = pohmelfs_crypto_process_input_data(e, e->iv, NULL, page, t->size);
-	if (!err)
-		SetPageUptodate(page);
-	else
-		SetPageError(page);
-	unlock_page(page);
-	page_cache_release(page);
-
-	pohmelfs_crypto_thread_make_ready(t);
-
-	return err;
-}
-
-static int pohmelfs_crypto_thread_func(void *data)
-{
-	struct pohmelfs_crypto_thread *t = data;
-
-	while (!kthread_should_stop()) {
-		wait_event_interruptible(t->wait, kthread_should_stop() ||
-				t->trans || t->page);
-
-		if (kthread_should_stop())
-			break;
-
-		if (!t->trans && !t->page)
-			continue;
-
-		dprintk("%s: thread: %p, trans: %p, page: %p.\n",
-				__func__, t, t->trans, t->page);
-
-		if (t->trans)
-			pohmelfs_crypto_thread_trans(t);
-		else if (t->page)
-			pohmelfs_crypto_thread_page(t);
-	}
-
-	return 0;
-}
-
-static void pohmelfs_crypto_flush(struct pohmelfs_sb *psb, struct list_head *head)
-{
-	while (!list_empty(head)) {
-		struct pohmelfs_crypto_thread *t = NULL;
-
-		mutex_lock(&psb->crypto_thread_lock);
-		if (!list_empty(head)) {
-			t = list_first_entry(head, struct pohmelfs_crypto_thread, thread_entry);
-			list_del_init(&t->thread_entry);
-		}
-		mutex_unlock(&psb->crypto_thread_lock);
-
-		if (t)
-			pohmelfs_sys_crypto_exit_one(t);
-	}
-}
-
-static void pohmelfs_sys_crypto_exit(struct pohmelfs_sb *psb)
-{
-	while (!list_empty(&psb->crypto_active_list) || !list_empty(&psb->crypto_ready_list)) {
-		dprintk("%s: crypto_thread_num: %u.\n", __func__, psb->crypto_thread_num);
-		pohmelfs_crypto_flush(psb, &psb->crypto_active_list);
-		pohmelfs_crypto_flush(psb, &psb->crypto_ready_list);
-	}
-}
-
-static int pohmelfs_sys_crypto_init(struct pohmelfs_sb *psb)
-{
-	unsigned int i;
-	struct pohmelfs_crypto_thread *t;
-	struct pohmelfs_config *c;
-	struct netfs_state *st;
-	int err;
-
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-
-		err = pohmelfs_crypto_engine_init(&st->eng, psb);
-		if (err)
-			goto err_out_exit;
-
-		dprintk("%s: st: %p, eng: %p, hash: %p, cipher: %p.\n",
-				__func__, st, &st->eng, &st->eng.hash, &st->eng.cipher);
-	}
-
-	for (i = 0; i < psb->crypto_thread_num; ++i) {
-		err = -ENOMEM;
-		t = kzalloc(sizeof(struct pohmelfs_crypto_thread), GFP_KERNEL);
-		if (!t)
-			goto err_out_free_state_engines;
-
-		init_waitqueue_head(&t->wait);
-
-		t->psb = psb;
-		t->trans = NULL;
-		t->eng.thread = t;
-
-		err = pohmelfs_crypto_engine_init(&t->eng, psb);
-		if (err)
-			goto err_out_free_state_engines;
-
-		err = pohmelfs_crypto_pages_alloc(&t->eng, psb);
-		if (err)
-			goto err_out_free;
-
-		t->thread = kthread_run(pohmelfs_crypto_thread_func, t,
-				"pohmelfs-crypto-%d-%d", psb->idx, i);
-		if (IS_ERR(t->thread)) {
-			err = PTR_ERR(t->thread);
-			t->thread = NULL;
-			goto err_out_free;
-		}
-
-		if (t->eng.cipher)
-			psb->crypto_align_size = crypto_ablkcipher_blocksize(t->eng.cipher);
-
-		mutex_lock(&psb->crypto_thread_lock);
-		list_add_tail(&t->thread_entry, &psb->crypto_ready_list);
-		mutex_unlock(&psb->crypto_thread_lock);
-	}
-
-	psb->crypto_thread_num = i;
-	return 0;
-
-err_out_free:
-	pohmelfs_sys_crypto_exit_one(t);
-err_out_free_state_engines:
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-		pohmelfs_crypto_engine_exit(&st->eng);
-	}
-err_out_exit:
-	pohmelfs_sys_crypto_exit(psb);
-	return err;
-}
-
-void pohmelfs_crypto_exit(struct pohmelfs_sb *psb)
-{
-	pohmelfs_sys_crypto_exit(psb);
-
-	kfree(psb->hash_string);
-	kfree(psb->cipher_string);
-}
-
-static int pohmelfs_crypt_init_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct pohmelfs_sb *psb = private;
-
-	psb->flags = -err;
-	dprintk("%s: err: %d.\n", __func__, err);
-
-	wake_up(&psb->wait);
-
-	return err;
-}
-
-static int pohmelfs_crypto_init_handshake(struct pohmelfs_sb *psb)
-{
-	struct netfs_trans *t;
-	struct netfs_crypto_capabilities *cap;
-	struct netfs_cmd *cmd;
-	char *str;
-	int err = -ENOMEM, size;
-
-	size = sizeof(struct netfs_crypto_capabilities) +
-		psb->cipher_strlen + psb->hash_strlen + 2; /* 0 bytes */
-
-	t = netfs_trans_alloc(psb, size, 0, 0);
-	if (!t)
-		goto err_out_exit;
-
-	t->complete = pohmelfs_crypt_init_complete;
-	t->private = psb;
-
-	cmd = netfs_trans_current(t);
-	cap = (struct netfs_crypto_capabilities *)(cmd + 1);
-	str = (char *)(cap + 1);
-
-	cmd->cmd = NETFS_CAPABILITIES;
-	cmd->id = POHMELFS_CRYPTO_CAPABILITIES;
-	cmd->size = size;
-	cmd->start = 0;
-	cmd->ext = 0;
-	cmd->csize = 0;
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, size);
-
-	cap->hash_strlen = psb->hash_strlen;
-	if (cap->hash_strlen) {
-		sprintf(str, "%s", psb->hash_string);
-		str += cap->hash_strlen;
-	}
-
-	cap->cipher_strlen = psb->cipher_strlen;
-	cap->cipher_keysize = psb->cipher_keysize;
-	if (cap->cipher_strlen)
-		sprintf(str, "%s", psb->cipher_string);
-
-	netfs_convert_crypto_capabilities(cap);
-
-	psb->flags = ~0;
-	err = netfs_trans_finish(t, psb);
-	if (err)
-		goto err_out_exit;
-
-	err = wait_event_interruptible_timeout(psb->wait, (psb->flags != ~0),
-			psb->wait_on_page_timeout);
-	if (!err)
-		err = -ETIMEDOUT;
-	else if (err > 0)
-		err = -psb->flags;
-
-	if (!err)
-		psb->perform_crypto = 1;
-	psb->flags = 0;
-
-	/*
-	 * At this point NETFS_CAPABILITIES response command
-	 * should setup superblock in a way, which is acceptable
-	 * for both client and server, so if server refuses connection,
-	 * it will send error in transaction response.
-	 */
-
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	return err;
-}
-
-int pohmelfs_crypto_init(struct pohmelfs_sb *psb)
-{
-	int err;
-
-	if (!psb->cipher_string && !psb->hash_string)
-		return 0;
-
-	err = pohmelfs_crypto_init_handshake(psb);
-	if (err)
-		return err;
-
-	err = pohmelfs_sys_crypto_init(psb);
-	if (err)
-		return err;
-
-	return 0;
-}
-
-static int pohmelfs_crypto_thread_get(struct pohmelfs_sb *psb,
-		int (*action)(struct pohmelfs_crypto_thread *t, void *data), void *data)
-{
-	struct pohmelfs_crypto_thread *t = NULL;
-	int err;
-
-	while (!t) {
-		err = wait_event_interruptible_timeout(psb->wait,
-				!list_empty(&psb->crypto_ready_list),
-				psb->wait_on_page_timeout);
-
-		t = NULL;
-		err = 0;
-		mutex_lock(&psb->crypto_thread_lock);
-		if (!list_empty(&psb->crypto_ready_list)) {
-			t = list_entry(psb->crypto_ready_list.prev,
-					struct pohmelfs_crypto_thread,
-					thread_entry);
-
-			list_move_tail(&t->thread_entry,
-					&psb->crypto_active_list);
-
-			action(t, data);
-			wake_up(&t->wait);
-
-		}
-		mutex_unlock(&psb->crypto_thread_lock);
-	}
-
-	return err;
-}
-
-static int pohmelfs_trans_crypt_action(struct pohmelfs_crypto_thread *t, void *data)
-{
-	struct netfs_trans *trans = data;
-
-	netfs_trans_get(trans);
-	t->trans = trans;
-
-	dprintk("%s: t: %p, gen: %u, thread: %p.\n", __func__, trans, trans->gen, t);
-	return 0;
-}
-
-int pohmelfs_trans_crypt(struct netfs_trans *trans, struct pohmelfs_sb *psb)
-{
-	if ((!psb->hash_string && !psb->cipher_string) || !psb->perform_crypto) {
-		netfs_trans_get(trans);
-		return pohmelfs_crypto_finish(trans, psb, 0);
-	}
-
-	return pohmelfs_crypto_thread_get(psb, pohmelfs_trans_crypt_action, trans);
-}
-
-struct pohmelfs_crypto_input_action_data {
-	struct page			*page;
-	struct pohmelfs_crypto_engine	*e;
-	u64				iv;
-	unsigned int			size;
-};
-
-static int pohmelfs_crypt_input_page_action(struct pohmelfs_crypto_thread *t, void *data)
-{
-	struct pohmelfs_crypto_input_action_data *act = data;
-
-	memcpy(t->eng.data, act->e->data, t->psb->crypto_attached_size);
-
-	t->size = act->size;
-	t->eng.iv = act->iv;
-
-	t->page = act->page;
-	return 0;
-}
-
-int pohmelfs_crypto_process_input_page(struct pohmelfs_crypto_engine *e,
-		struct page *page, unsigned int size, u64 iv)
-{
-	struct inode *inode = page->mapping->host;
-	struct pohmelfs_crypto_input_action_data act;
-	int err = -ENOENT;
-
-	act.page = page;
-	act.e = e;
-	act.size = size;
-	act.iv = iv;
-
-	err = pohmelfs_crypto_thread_get(POHMELFS_SB(inode->i_sb),
-			pohmelfs_crypt_input_page_action, &act);
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	SetPageUptodate(page);
-	page_cache_release(page);
-
-	return err;
-}
diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c
deleted file mode 100644
index 2ee4491b7136..000000000000
--- a/drivers/staging/pohmelfs/dir.c
+++ /dev/null
@@ -1,1102 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/fs.h>
-#include <linux/jhash.h>
-#include <linux/namei.h>
-#include <linux/slab.h>
-#include <linux/pagemap.h>
-
-#include "netfs.h"
-
-static int pohmelfs_cmp_hash(struct pohmelfs_name *n, u32 hash)
-{
-	if (n->hash > hash)
-		return -1;
-	if (n->hash < hash)
-		return 1;
-
-	return 0;
-}
-
-static struct pohmelfs_name *pohmelfs_search_hash_unprecise(struct pohmelfs_inode *pi, u32 hash)
-{
-	struct rb_node *n = pi->hash_root.rb_node;
-	struct pohmelfs_name *tmp = NULL;
-	int cmp;
-
-	while (n) {
-		tmp = rb_entry(n, struct pohmelfs_name, hash_node);
-
-		cmp = pohmelfs_cmp_hash(tmp, hash);
-		if (cmp < 0)
-			n = n->rb_left;
-		else if (cmp > 0)
-			n = n->rb_right;
-		else
-			break;
-
-	}
-
-	return tmp;
-}
-
-struct pohmelfs_name *pohmelfs_search_hash(struct pohmelfs_inode *pi, u32 hash)
-{
-	struct pohmelfs_name *tmp;
-
-	tmp = pohmelfs_search_hash_unprecise(pi, hash);
-	if (tmp && (tmp->hash == hash))
-		return tmp;
-
-	return NULL;
-}
-
-static void __pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-	rb_erase(&node->hash_node, &parent->hash_root);
-}
-
-/*
- * Remove name cache entry from its caches and free it.
- */
-static void pohmelfs_name_free(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-	__pohmelfs_name_del(parent, node);
-	list_del(&node->sync_create_entry);
-	kfree(node);
-}
-
-static struct pohmelfs_name *pohmelfs_insert_hash(struct pohmelfs_inode *pi,
-		struct pohmelfs_name *new)
-{
-	struct rb_node **n = &pi->hash_root.rb_node, *parent = NULL;
-	struct pohmelfs_name *ret = NULL, *tmp;
-	int cmp;
-
-	while (*n) {
-		parent = *n;
-
-		tmp = rb_entry(parent, struct pohmelfs_name, hash_node);
-
-		cmp = pohmelfs_cmp_hash(tmp, new->hash);
-		if (cmp < 0)
-			n = &parent->rb_left;
-		else if (cmp > 0)
-			n = &parent->rb_right;
-		else {
-			ret = tmp;
-			break;
-		}
-	}
-
-	if (ret) {
-		printk("%s: exist: parent: %llu, ino: %llu, hash: %x, len: %u, data: '%s', "
-					"new: ino: %llu, hash: %x, len: %u, data: '%s'.\n",
-				__func__, pi->ino,
-				ret->ino, ret->hash, ret->len, ret->data,
-				new->ino, new->hash, new->len, new->data);
-		ret->ino = new->ino;
-		return ret;
-	}
-
-	rb_link_node(&new->hash_node, parent, n);
-	rb_insert_color(&new->hash_node, &pi->hash_root);
-
-	return NULL;
-}
-
-/*
- * Free name cache for given inode.
- */
-void pohmelfs_free_names(struct pohmelfs_inode *parent)
-{
-	struct rb_node *rb_node;
-	struct pohmelfs_name *n;
-
-	for (rb_node = rb_first(&parent->hash_root); rb_node;) {
-		n = rb_entry(rb_node, struct pohmelfs_name, hash_node);
-		rb_node = rb_next(rb_node);
-
-		pohmelfs_name_free(parent, n);
-	}
-}
-
-static void pohmelfs_fix_offset(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-	parent->total_len -= node->len;
-}
-
-/*
- * Free name cache entry helper.
- */
-void pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-	pohmelfs_fix_offset(parent, node);
-	pohmelfs_name_free(parent, node);
-}
-
-/*
- * Insert new name cache entry into all hash cache.
- */
-static int pohmelfs_insert_name(struct pohmelfs_inode *parent, struct pohmelfs_name *n)
-{
-	struct pohmelfs_name *name;
-
-	name = pohmelfs_insert_hash(parent, n);
-	if (name)
-		return -EEXIST;
-
-	parent->total_len += n->len;
-	list_add_tail(&n->sync_create_entry, &parent->sync_create_list);
-
-	return 0;
-}
-
-/*
- * Allocate new name cache entry.
- */
-static struct pohmelfs_name *pohmelfs_name_alloc(unsigned int len)
-{
-	struct pohmelfs_name *n;
-
-	n = kzalloc(sizeof(struct pohmelfs_name) + len, GFP_KERNEL);
-	if (!n)
-		return NULL;
-
-	INIT_LIST_HEAD(&n->sync_create_entry);
-
-	n->data = (char *)(n+1);
-
-	return n;
-}
-
-/*
- * Add new name entry into directory's cache.
- */
-static int pohmelfs_add_dir(struct pohmelfs_sb *psb, struct pohmelfs_inode *parent,
-		struct pohmelfs_inode *npi, struct qstr *str, unsigned int mode, int link)
-{
-	int err = -ENOMEM;
-	struct pohmelfs_name *n;
-
-	n = pohmelfs_name_alloc(str->len + 1);
-	if (!n)
-		goto err_out_exit;
-
-	n->ino = npi->ino;
-	n->mode = mode;
-	n->len = str->len;
-	n->hash = str->hash;
-	sprintf(n->data, "%s", str->name);
-
-	mutex_lock(&parent->offset_lock);
-	err = pohmelfs_insert_name(parent, n);
-	mutex_unlock(&parent->offset_lock);
-
-	if (err) {
-		if (err != -EEXIST)
-			goto err_out_free;
-		kfree(n);
-	}
-
-	return 0;
-
-err_out_free:
-	kfree(n);
-err_out_exit:
-	return err;
-}
-
-/*
- * Create new inode for given parameters (name, inode info, parent).
- * This does not create object on the server, it will be synced there during writeback.
- */
-struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb,
-		struct pohmelfs_inode *parent, struct qstr *str,
-		struct netfs_inode_info *info, int link)
-{
-	struct inode *new = NULL;
-	struct pohmelfs_inode *npi;
-	int err = -EEXIST;
-
-	dprintk("%s: creating inode: parent: %llu, ino: %llu, str: %p.\n",
-			__func__, (parent) ? parent->ino : 0, info->ino, str);
-
-	err = -ENOMEM;
-	new = iget_locked(psb->sb, info->ino);
-	if (!new)
-		goto err_out_exit;
-
-	npi = POHMELFS_I(new);
-	npi->ino = info->ino;
-	err = 0;
-
-	if (new->i_state & I_NEW) {
-		dprintk("%s: filling VFS inode: %lu/%llu.\n",
-				__func__, new->i_ino, info->ino);
-		pohmelfs_fill_inode(new, info);
-
-		if (S_ISDIR(info->mode)) {
-			struct qstr s;
-
-			s.name = ".";
-			s.len = 1;
-			s.hash = jhash(s.name, s.len, 0);
-
-			err = pohmelfs_add_dir(psb, npi, npi, &s, info->mode, 0);
-			if (err)
-				goto err_out_put;
-
-			s.name = "..";
-			s.len = 2;
-			s.hash = jhash(s.name, s.len, 0);
-
-			err = pohmelfs_add_dir(psb, npi, (parent) ? parent : npi, &s,
-					(parent) ? parent->vfs_inode.i_mode : npi->vfs_inode.i_mode, 0);
-			if (err)
-				goto err_out_put;
-		}
-	}
-
-	if (str) {
-		if (parent) {
-			err = pohmelfs_add_dir(psb, parent, npi, str, info->mode, link);
-
-			dprintk("%s: %s inserted name: '%s', new_offset: %llu, ino: %llu, parent: %llu.\n",
-					__func__, (err) ? "unsuccessfully" : "successfully",
-					str->name, parent->total_len, info->ino, parent->ino);
-
-			if (err && err != -EEXIST)
-				goto err_out_put;
-		}
-	}
-
-	if (new->i_state & I_NEW) {
-		if (parent)
-			mark_inode_dirty(&parent->vfs_inode);
-		mark_inode_dirty(new);
-	}
-
-	set_bit(NETFS_INODE_OWNED, &npi->state);
-	npi->lock_type = POHMELFS_WRITE_LOCK;
-	unlock_new_inode(new);
-
-	return npi;
-
-err_out_put:
-	printk("%s: putting inode: %p, npi: %p, error: %d.\n", __func__, new, npi, err);
-	iput(new);
-err_out_exit:
-	return ERR_PTR(err);
-}
-
-static int pohmelfs_remote_sync_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct pohmelfs_inode *pi = private;
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-
-	dprintk("%s: ino: %llu, err: %d.\n", __func__, pi->ino, err);
-
-	if (err)
-		pi->error = err;
-	wake_up(&psb->wait);
-	pohmelfs_put_inode(pi);
-
-	return err;
-}
-
-/*
- * Receive directory content from the server.
- * This should be only done for objects, which were not created locally,
- * and which were not synced previously.
- */
-static int pohmelfs_sync_remote_dir(struct pohmelfs_inode *pi)
-{
-	struct inode *inode = &pi->vfs_inode;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	long ret = psb->wait_on_page_timeout;
-	int err;
-
-	dprintk("%s: dir: %llu, state: %lx: remote_synced: %d.\n",
-		__func__, pi->ino, pi->state, test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state));
-
-	if (test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state))
-		return 0;
-
-	if (!igrab(inode)) {
-		err = -ENOENT;
-		goto err_out_exit;
-	}
-
-	err = pohmelfs_meta_command(pi, NETFS_READDIR, NETFS_TRANS_SINGLE_DST,
-			pohmelfs_remote_sync_complete, pi, 0);
-	if (err)
-		goto err_out_exit;
-
-	pi->error = 0;
-	ret = wait_event_interruptible_timeout(psb->wait,
-			test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state) || pi->error, ret);
-	dprintk("%s: awake dir: %llu, ret: %ld, err: %d.\n", __func__, pi->ino, ret, pi->error);
-	if (ret <= 0) {
-		err = ret;
-		if (!err)
-			err = -ETIMEDOUT;
-		goto err_out_exit;
-	}
-
-	if (pi->error)
-		return pi->error;
-
-	return 0;
-
-err_out_exit:
-	clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-
-	return err;
-}
-
-static int pohmelfs_dir_open(struct inode *inode, struct file *file)
-{
-	file->private_data = NULL;
-	return 0;
-}
-
-/*
- * VFS readdir callback. Syncs directory content from server if needed,
- * and provides direntry info to the userspace.
- */
-static int pohmelfs_readdir(struct file *file, void *dirent, filldir_t filldir)
-{
-	struct inode *inode = file->f_path.dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct pohmelfs_name *n;
-	struct rb_node *rb_node;
-	int err = 0, mode;
-	u64 len;
-
-	dprintk("%s: parent: %llu, fpos: %llu, hash: %08lx.\n",
-			__func__, pi->ino, (u64)file->f_pos,
-			(unsigned long)file->private_data);
-#if 0
-	err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK);
-	if (err)
-		return err;
-#endif
-	err = pohmelfs_sync_remote_dir(pi);
-	if (err)
-		return err;
-
-	if (file->private_data && (file->private_data == (void *)(unsigned long)file->f_pos))
-		return 0;
-
-	mutex_lock(&pi->offset_lock);
-	n = pohmelfs_search_hash_unprecise(pi, (unsigned long)file->private_data);
-
-	while (n) {
-		mode = (n->mode >> 12) & 15;
-
-		dprintk("%s: offset: %llu, parent ino: %llu, name: '%s', len: %u, ino: %llu, "
-				"mode: %o/%o, fpos: %llu, hash: %08x.\n",
-				__func__, file->f_pos, pi->ino, n->data, n->len,
-				n->ino, n->mode, mode, file->f_pos, n->hash);
-
-		file->private_data = (void *)(unsigned long)n->hash;
-
-		len = n->len;
-		err = filldir(dirent, n->data, n->len, file->f_pos, n->ino, mode);
-
-		if (err < 0) {
-			dprintk("%s: err: %d.\n", __func__, err);
-			err = 0;
-			break;
-		}
-
-		file->f_pos += len;
-
-		rb_node = rb_next(&n->hash_node);
-
-		if (!rb_node || (rb_node == &n->hash_node)) {
-			file->private_data = (void *)(unsigned long)file->f_pos;
-			break;
-		}
-
-		n = rb_entry(rb_node, struct pohmelfs_name, hash_node);
-	}
-	mutex_unlock(&pi->offset_lock);
-
-	return err;
-}
-
-static loff_t pohmelfs_dir_lseek(struct file *file, loff_t offset, int origin)
-{
-	file->f_pos = offset;
-	file->private_data = NULL;
-	return offset;
-}
-
-const struct file_operations pohmelfs_dir_fops = {
-	.open = pohmelfs_dir_open,
-	.read = generic_read_dir,
-	.llseek = pohmelfs_dir_lseek,
-	.readdir = pohmelfs_readdir,
-};
-
-/*
- * Lookup single object on server.
- */
-static int pohmelfs_lookup_single(struct pohmelfs_inode *parent,
-		struct qstr *str, u64 ino)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(parent->vfs_inode.i_sb);
-	long ret = msecs_to_jiffies(5000);
-	int err;
-
-	set_bit(NETFS_COMMAND_PENDING, &parent->state);
-	err = pohmelfs_meta_command_data(parent, parent->ino, NETFS_LOOKUP,
-			(char *)str->name, NETFS_TRANS_SINGLE_DST, NULL, NULL, ino);
-	if (err)
-		goto err_out_exit;
-
-	err = 0;
-	ret = wait_event_interruptible_timeout(psb->wait,
-			!test_bit(NETFS_COMMAND_PENDING, &parent->state), ret);
-	if (ret <= 0) {
-		err = ret;
-		if (!err)
-			err = -ETIMEDOUT;
-	}
-
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	clear_bit(NETFS_COMMAND_PENDING, &parent->state);
-
-	printk("%s: failed: parent: %llu, ino: %llu, name: '%s', err: %d.\n",
-			__func__, parent->ino, ino, str->name, err);
-
-	return err;
-}
-
-/*
- * VFS lookup callback.
- * We first try to get inode number from local name cache, if we have one,
- * then inode can be found in inode cache. If there is no inode or no object in
- * local cache, try to lookup it on server. This only should be done for directories,
- * which were not created locally, otherwise remote server does not know about dir at all,
- * so no need to try to know that.
- */
-struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
-{
-	struct pohmelfs_inode *parent = POHMELFS_I(dir);
-	struct pohmelfs_name *n;
-	struct inode *inode = NULL;
-	unsigned long ino = 0;
-	int err, lock_type = POHMELFS_READ_LOCK, need_lock = 1;
-	struct qstr str = dentry->d_name;
-
-	if ((nd->intent.open.flags & O_ACCMODE) != O_RDONLY)
-		lock_type = POHMELFS_WRITE_LOCK;
-
-	if (test_bit(NETFS_INODE_OWNED, &parent->state)) {
-		if (lock_type == parent->lock_type)
-			need_lock = 0;
-		if ((lock_type == POHMELFS_READ_LOCK) && (parent->lock_type == POHMELFS_WRITE_LOCK))
-			need_lock = 0;
-	}
-
-	if ((lock_type == POHMELFS_READ_LOCK) && !test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state))
-		need_lock = 1;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	mutex_lock(&parent->offset_lock);
-	n = pohmelfs_search_hash(parent, str.hash);
-	if (n)
-		ino = n->ino;
-	mutex_unlock(&parent->offset_lock);
-
-	dprintk("%s: start ino: %lu, inode: %p, name: '%s', hash: %x, parent_state: %lx, need_lock: %d.\n",
-			__func__, ino, inode, str.name, str.hash, parent->state, need_lock);
-
-	if (ino) {
-		inode = ilookup(dir->i_sb, ino);
-		if (inode)
-			goto out;
-	}
-
-	dprintk("%s: no inode dir: %p, dir_ino: %llu, name: '%s', len: %u, dir_state: %lx, ino: %lu.\n",
-			__func__, dir, parent->ino,
-			str.name, str.len, parent->state, ino);
-
-	if (!ino) {
-		if (!need_lock)
-			goto out;
-	}
-
-	err = pohmelfs_data_lock(parent, 0, ~0, lock_type);
-	if (err)
-		goto out;
-
-	err = pohmelfs_lookup_single(parent, &str, ino);
-	if (err)
-		goto out;
-
-	if (!ino) {
-		mutex_lock(&parent->offset_lock);
-		n = pohmelfs_search_hash(parent, str.hash);
-		if (n)
-			ino = n->ino;
-		mutex_unlock(&parent->offset_lock);
-	}
-
-	if (ino) {
-		inode = ilookup(dir->i_sb, ino);
-		dprintk("%s: second lookup ino: %lu, inode: %p, name: '%s', hash: %x.\n",
-				__func__, ino, inode, str.name, str.hash);
-		if (!inode) {
-			dprintk("%s: No inode for ino: %lu, name: '%s', hash: %x.\n",
-				__func__, ino, str.name, str.hash);
-			/* return NULL; */
-			return ERR_PTR(-EACCES);
-		}
-	} else {
-		printk("%s: No inode number : name: '%s', hash: %x.\n",
-			__func__, str.name, str.hash);
-	}
-out:
-	return d_splice_alias(inode, dentry);
-}
-
-/*
- * Create new object in local cache. Object will be synced to server
- * during writeback for given inode.
- */
-struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb,
-	struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode)
-{
-	struct pohmelfs_inode *npi;
-	int err = -ENOMEM;
-	struct netfs_inode_info info;
-
-	dprintk("%s: name: '%s', mode: %ho, start: %llu.\n",
-			__func__, str->name, mode, start);
-
-	info.mode = mode;
-	info.ino = start;
-
-	if (!start)
-		info.ino = pohmelfs_new_ino(psb);
-
-	info.nlink = S_ISDIR(mode) ? 2 : 1;
-	info.uid = current_fsuid();
-	info.gid = current_fsgid();
-	info.size = 0;
-	info.blocksize = 512;
-	info.blocks = 0;
-	info.rdev = 0;
-	info.version = 0;
-
-	npi = pohmelfs_new_inode(psb, parent, str, &info, !!start);
-	if (IS_ERR(npi)) {
-		err = PTR_ERR(npi);
-		goto err_out_unlock;
-	}
-
-	return npi;
-
-err_out_unlock:
-	dprintk("%s: err: %d.\n", __func__, err);
-	return ERR_PTR(err);
-}
-
-/*
- * Create local object and bind it to dentry.
- */
-static int pohmelfs_create_entry(struct inode *dir, struct dentry *dentry,
-				 u64 start, umode_t mode)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(dir->i_sb);
-	struct pohmelfs_inode *npi, *parent;
-	struct qstr str = dentry->d_name;
-	int err;
-
-	parent = POHMELFS_I(dir);
-
-	err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK);
-	if (err)
-		return err;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	npi = pohmelfs_create_entry_local(psb, parent, &str, start, mode);
-	if (IS_ERR(npi))
-		return PTR_ERR(npi);
-
-	d_instantiate(dentry, &npi->vfs_inode);
-
-	dprintk("%s: parent: %llu, inode: %llu, name: '%s', parent_nlink: %d, nlink: %d.\n",
-			__func__, parent->ino, npi->ino, dentry->d_name.name,
-			(signed)dir->i_nlink, (signed)npi->vfs_inode.i_nlink);
-
-	return 0;
-}
-
-/*
- * VFS create and mkdir callbacks.
- */
-static int pohmelfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
-		struct nameidata *nd)
-{
-	return pohmelfs_create_entry(dir, dentry, 0, mode);
-}
-
-static int pohmelfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
-{
-	int err;
-
-	inode_inc_link_count(dir);
-	err = pohmelfs_create_entry(dir, dentry, 0, mode | S_IFDIR);
-	if (err)
-		inode_dec_link_count(dir);
-
-	return err;
-}
-
-static int pohmelfs_remove_entry(struct inode *dir, struct dentry *dentry)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(dir->i_sb);
-	struct inode *inode = dentry->d_inode;
-	struct pohmelfs_inode *parent = POHMELFS_I(dir), *pi = POHMELFS_I(inode);
-	struct pohmelfs_name *n;
-	int err = -ENOENT;
-	struct qstr str = dentry->d_name;
-
-	err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK);
-	if (err)
-		return err;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	dprintk("%s: dir_ino: %llu, inode: %llu, name: '%s', nlink: %d.\n",
-			__func__, parent->ino, pi->ino,
-			str.name, (signed)inode->i_nlink);
-
-	BUG_ON(!inode);
-
-	mutex_lock(&parent->offset_lock);
-	n = pohmelfs_search_hash(parent, str.hash);
-	if (n) {
-		pohmelfs_fix_offset(parent, n);
-		if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state))
-			pohmelfs_remove_child(pi, n);
-
-		pohmelfs_name_free(parent, n);
-		err = 0;
-	}
-	mutex_unlock(&parent->offset_lock);
-
-	if (!err) {
-		psb->avail_size += inode->i_size;
-
-		pohmelfs_inode_del_inode(psb, pi);
-
-		mark_inode_dirty(dir);
-
-		inode->i_ctime = dir->i_ctime;
-		if (inode->i_nlink)
-			inode_dec_link_count(inode);
-	}
-
-	return err;
-}
-
-/*
- * Unlink and rmdir VFS callbacks.
- */
-static int pohmelfs_unlink(struct inode *dir, struct dentry *dentry)
-{
-	return pohmelfs_remove_entry(dir, dentry);
-}
-
-static int pohmelfs_rmdir(struct inode *dir, struct dentry *dentry)
-{
-	int err;
-	struct inode *inode = dentry->d_inode;
-
-	dprintk("%s: parent: %llu, inode: %llu, name: '%s', parent_nlink: %d, nlink: %d.\n",
-			__func__, POHMELFS_I(dir)->ino, POHMELFS_I(inode)->ino,
-			dentry->d_name.name, (signed)dir->i_nlink, (signed)inode->i_nlink);
-
-	err = pohmelfs_remove_entry(dir, dentry);
-	if (!err) {
-		inode_dec_link_count(dir);
-		inode_dec_link_count(inode);
-	}
-
-	return err;
-}
-
-/*
- * Link creation is synchronous.
- * I'm lazy.
- * Earth is somewhat round.
- */
-static int pohmelfs_create_link(struct pohmelfs_inode *parent, struct qstr *obj,
-		struct pohmelfs_inode *target, struct qstr *tstr)
-{
-	struct super_block *sb = parent->vfs_inode.i_sb;
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-	struct netfs_cmd *cmd;
-	struct netfs_trans *t;
-	void *data;
-	int err, parent_len, target_len = 0, cur_len, path_size = 0;
-
-	err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK);
-	if (err)
-		return err;
-
-	err = sb->s_op->write_inode(&parent->vfs_inode, 0);
-	if (err)
-		goto err_out_exit;
-
-	if (tstr)
-		target_len = tstr->len;
-
-	parent_len = pohmelfs_path_length(parent);
-	if (target)
-		target_len += pohmelfs_path_length(target);
-
-	if (parent_len < 0) {
-		err = parent_len;
-		goto err_out_exit;
-	}
-
-	if (target_len < 0) {
-		err = target_len;
-		goto err_out_exit;
-	}
-
-	t = netfs_trans_alloc(psb, parent_len + target_len + obj->len + 2, 0, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-	cur_len = netfs_trans_cur_len(t);
-
-	cmd = netfs_trans_current(t);
-	if (IS_ERR(cmd)) {
-		err = PTR_ERR(cmd);
-		goto err_out_free;
-	}
-
-	data = (void *)(cmd + 1);
-	cur_len -= sizeof(struct netfs_cmd);
-
-	err = pohmelfs_construct_path_string(parent, data, parent_len);
-	if (err > 0) {
-		/* Do not place null-byte before the slash */
-		path_size = err - 1;
-		cur_len -= path_size;
-
-		err = snprintf(data + path_size, cur_len, "/%s|", obj->name);
-
-		path_size += err;
-		cur_len -= err;
-
-		cmd->ext = path_size - 1; /* No | symbol */
-
-		if (target) {
-			err = pohmelfs_construct_path_string(target, data + path_size, target_len);
-			if (err > 0) {
-				path_size += err;
-				cur_len -= err;
-			}
-		}
-	}
-
-	if (err < 0)
-		goto err_out_free;
-
-	cmd->start = 0;
-
-	if (!target && tstr) {
-		if (tstr->len > cur_len - 1) {
-			err = -ENAMETOOLONG;
-			goto err_out_free;
-		}
-
-		err = snprintf(data + path_size, cur_len, "%s", tstr->name) + 1; /* 0-byte */
-		path_size += err;
-		cur_len -= err;
-		cmd->start = 1;
-	}
-
-	dprintk("%s: parent: %llu, obj: '%s', target_inode: %llu, target_str: '%s', full: '%s'.\n",
-			__func__, parent->ino, obj->name, (target) ? target->ino : 0, (tstr) ? tstr->name : NULL,
-			(char *)data);
-
-	cmd->cmd = NETFS_LINK;
-	cmd->size = path_size;
-	cmd->id = parent->ino;
-
-	netfs_convert_cmd(cmd);
-
-	netfs_trans_update(cmd, t, path_size);
-
-	err = netfs_trans_finish(t, psb);
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_free:
-	t->result = err;
-	netfs_trans_put(t);
-err_out_exit:
-	return err;
-}
-
-/*
- *  VFS hard and soft link callbacks.
- */
-static int pohmelfs_link(struct dentry *old_dentry, struct inode *dir,
-	struct dentry *dentry)
-{
-	struct inode *inode = old_dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	int err;
-	struct qstr str = dentry->d_name;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	err = inode->i_sb->s_op->write_inode(inode, 0);
-	if (err)
-		return err;
-
-	err = pohmelfs_create_link(POHMELFS_I(dir), &str, pi, NULL);
-	if (err)
-		return err;
-
-	return pohmelfs_create_entry(dir, dentry, pi->ino, inode->i_mode);
-}
-
-static int pohmelfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
-{
-	struct qstr sym_str;
-	struct qstr str = dentry->d_name;
-	struct inode *inode;
-	int err;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	sym_str.name = symname;
-	sym_str.len = strlen(symname);
-
-	err = pohmelfs_create_link(POHMELFS_I(dir), &str, NULL, &sym_str);
-	if (err)
-		goto err_out_exit;
-
-	err = pohmelfs_create_entry(dir, dentry, 0, S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO);
-	if (err)
-		goto err_out_exit;
-
-	inode = dentry->d_inode;
-
-	err = page_symlink(inode, symname, sym_str.len + 1);
-	if (err)
-		goto err_out_put;
-
-	return 0;
-
-err_out_put:
-	iput(inode);
-err_out_exit:
-	return err;
-}
-
-static int pohmelfs_send_rename(struct pohmelfs_inode *pi, struct pohmelfs_inode *parent,
-		struct qstr *str)
-{
-	int path_len, err, total_len = 0, inode_len, parent_len;
-	char *path;
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-
-	parent_len = pohmelfs_path_length(parent);
-	inode_len = pohmelfs_path_length(pi);
-
-	if (parent_len < 0 || inode_len < 0)
-		return -EINVAL;
-
-	path_len = parent_len + inode_len + str->len + 3;
-
-	t = netfs_trans_alloc(psb, path_len, 0, 0);
-	if (!t)
-		return -ENOMEM;
-
-	cmd = netfs_trans_current(t);
-	path = (char *)(cmd + 1);
-
-	err = pohmelfs_construct_path_string(pi, path, inode_len);
-	if (err < 0)
-		goto err_out_unlock;
-
-	cmd->ext = err;
-
-	path += err;
-	total_len += err;
-	path_len -= err;
-
-	*path = '|';
-	path++;
-	total_len++;
-	path_len--;
-
-	err = pohmelfs_construct_path_string(parent, path, parent_len);
-	if (err < 0)
-		goto err_out_unlock;
-
-	/*
-	 * Do not place a null-byte before the final slash and the name.
-	 */
-	err--;
-	path += err;
-	total_len += err;
-	path_len -= err;
-
-	err = snprintf(path, path_len - 1, "/%s", str->name);
-
-	total_len += err + 1; /* 0 symbol */
-	path_len -= err + 1;
-
-	cmd->cmd = NETFS_RENAME;
-	cmd->id = pi->ino;
-	cmd->start = parent->ino;
-	cmd->size = total_len;
-
-	netfs_convert_cmd(cmd);
-
-	netfs_trans_update(cmd, t, total_len);
-
-	return netfs_trans_finish(t, psb);
-
-err_out_unlock:
-	netfs_trans_free(t);
-	return err;
-}
-
-static int pohmelfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-			struct inode *new_dir, struct dentry *new_dentry)
-{
-	struct inode *inode = old_dentry->d_inode;
-	struct pohmelfs_inode *old_parent, *pi, *new_parent;
-	struct qstr str = new_dentry->d_name;
-	struct pohmelfs_name *n;
-	unsigned int old_hash;
-	int err = -ENOENT;
-
-	pi = POHMELFS_I(inode);
-	old_parent = POHMELFS_I(old_dir);
-
-	if (new_dir)
-		new_dir->i_sb->s_op->write_inode(new_dir, 0);
-
-	old_hash = jhash(old_dentry->d_name.name, old_dentry->d_name.len, 0);
-	str.hash = jhash(new_dentry->d_name.name, new_dentry->d_name.len, 0);
-
-	str.len = new_dentry->d_name.len;
-	str.name = new_dentry->d_name.name;
-	str.hash = jhash(new_dentry->d_name.name, new_dentry->d_name.len, 0);
-
-	if (new_dir) {
-		new_parent = POHMELFS_I(new_dir);
-		err = -ENOTEMPTY;
-
-		if (S_ISDIR(inode->i_mode) &&
-				new_parent->total_len <= 3)
-			goto err_out_exit;
-	} else {
-		new_parent = old_parent;
-	}
-
-	dprintk("%s: ino: %llu, parent: %llu, name: '%s' -> parent: %llu, name: '%s', i_size: %llu.\n",
-			__func__, pi->ino, old_parent->ino, old_dentry->d_name.name,
-			new_parent->ino, new_dentry->d_name.name, inode->i_size);
-
-	if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state) &&
-			test_bit(NETFS_INODE_OWNED, &pi->state)) {
-		err = pohmelfs_send_rename(pi, new_parent, &str);
-		if (err)
-			goto err_out_exit;
-	}
-
-	n = pohmelfs_name_alloc(str.len + 1);
-	if (!n)
-		goto err_out_exit;
-
-	mutex_lock(&new_parent->offset_lock);
-	n->ino = pi->ino;
-	n->mode = inode->i_mode;
-	n->len = str.len;
-	n->hash = str.hash;
-	sprintf(n->data, "%s", str.name);
-
-	err = pohmelfs_insert_name(new_parent, n);
-	mutex_unlock(&new_parent->offset_lock);
-
-	if (err)
-		goto err_out_exit;
-
-	mutex_lock(&old_parent->offset_lock);
-	n = pohmelfs_search_hash(old_parent, old_hash);
-	if (n)
-		pohmelfs_name_del(old_parent, n);
-	mutex_unlock(&old_parent->offset_lock);
-
-	mark_inode_dirty(inode);
-	mark_inode_dirty(&new_parent->vfs_inode);
-
-	WARN_ON_ONCE(list_empty(&inode->i_dentry));
-
-	return 0;
-
-err_out_exit:
-
-	clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-
-	return err;
-}
-
-/*
- * POHMELFS directory inode operations.
- */
-const struct inode_operations pohmelfs_dir_inode_ops = {
-	.link		= pohmelfs_link,
-	.symlink	= pohmelfs_symlink,
-	.unlink		= pohmelfs_unlink,
-	.mkdir		= pohmelfs_mkdir,
-	.rmdir		= pohmelfs_rmdir,
-	.create		= pohmelfs_create,
-	.lookup 	= pohmelfs_lookup,
-	.setattr	= pohmelfs_setattr,
-	.rename		= pohmelfs_rename,
-};
diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c
deleted file mode 100644
index 807e3f324113..000000000000
--- a/drivers/staging/pohmelfs/inode.c
+++ /dev/null
@@ -1,2055 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/backing-dev.h>
-#include <linux/crypto.h>
-#include <linux/fs.h>
-#include <linux/jhash.h>
-#include <linux/hash.h>
-#include <linux/ktime.h>
-#include <linux/mm.h>
-#include <linux/mount.h>
-#include <linux/pagemap.h>
-#include <linux/pagevec.h>
-#include <linux/parser.h>
-#include <linux/swap.h>
-#include <linux/slab.h>
-#include <linux/statfs.h>
-#include <linux/writeback.h>
-#include <linux/prefetch.h>
-
-#include "netfs.h"
-
-#define POHMELFS_MAGIC_NUM	0x504f482e
-
-static struct kmem_cache *pohmelfs_inode_cache;
-static atomic_t psb_bdi_num = ATOMIC_INIT(0);
-
-/*
- * Removes inode from all trees, drops local name cache and removes all queued
- * requests for object removal.
- */
-void pohmelfs_inode_del_inode(struct pohmelfs_sb *psb, struct pohmelfs_inode *pi)
-{
-	mutex_lock(&pi->offset_lock);
-	pohmelfs_free_names(pi);
-	mutex_unlock(&pi->offset_lock);
-
-	dprintk("%s: deleted stuff in ino: %llu.\n", __func__, pi->ino);
-}
-
-/*
- * Sync inode to server.
- * Returns zero in success and negative error value otherwise.
- * It will gather path to root directory into structures containing
- * creation mode, permissions and names, so that the whole path
- * to given inode could be created using only single network command.
- */
-int pohmelfs_write_inode_create(struct inode *inode, struct netfs_trans *trans)
-{
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	int err = -ENOMEM, size;
-	struct netfs_cmd *cmd;
-	void *data;
-	int cur_len = netfs_trans_cur_len(trans);
-
-	if (unlikely(cur_len < 0))
-		return -ETOOSMALL;
-
-	cmd = netfs_trans_current(trans);
-	cur_len -= sizeof(struct netfs_cmd);
-
-	data = (void *)(cmd + 1);
-
-	err = pohmelfs_construct_path_string(pi, data, cur_len);
-	if (err < 0)
-		goto err_out_exit;
-
-	size = err;
-
-	cmd->start = i_size_read(inode);
-	cmd->cmd = NETFS_CREATE;
-	cmd->size = size;
-	cmd->id = pi->ino;
-	cmd->ext = inode->i_mode;
-
-	netfs_convert_cmd(cmd);
-
-	netfs_trans_update(cmd, trans, size);
-
-	return 0;
-
-err_out_exit:
-	printk("%s: completed ino: %llu, err: %d.\n", __func__, pi->ino, err);
-	return err;
-}
-
-static int pohmelfs_write_trans_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	unsigned i;
-
-	dprintk("%s: pages: %lu-%lu, page_num: %u, err: %d.\n",
-			__func__, pages[0]->index, pages[page_num-1]->index,
-			page_num, err);
-
-	for (i = 0; i < page_num; i++) {
-		struct page *page = pages[i];
-
-		if (!page)
-			continue;
-
-		end_page_writeback(page);
-
-		if (err < 0) {
-			SetPageError(page);
-			set_page_dirty(page);
-		}
-
-		unlock_page(page);
-		page_cache_release(page);
-
-		/* dprintk("%s: %3u/%u: page: %p.\n", __func__, i, page_num, page); */
-	}
-	return err;
-}
-
-static int pohmelfs_inode_has_dirty_pages(struct address_space *mapping, pgoff_t index)
-{
-	int ret;
-	struct page *page;
-
-	rcu_read_lock();
-	ret = radix_tree_gang_lookup_tag(&mapping->page_tree,
-				(void **)&page, index, 1, PAGECACHE_TAG_DIRTY);
-	rcu_read_unlock();
-	return ret;
-}
-
-static int pohmelfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
-{
-	struct inode *inode = mapping->host;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	int err = 0;
-	int done = 0;
-	int nr_pages;
-	pgoff_t index;
-	pgoff_t end;		/* Inclusive */
-	int scanned = 0;
-	int range_whole = 0;
-
-	if (wbc->range_cyclic) {
-		index = mapping->writeback_index; /* Start from prev offset */
-		end = -1;
-	} else {
-		index = wbc->range_start >> PAGE_CACHE_SHIFT;
-		end = wbc->range_end >> PAGE_CACHE_SHIFT;
-		if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
-			range_whole = 1;
-		scanned = 1;
-	}
-retry:
-	while (!done && (index <= end)) {
-		unsigned int i = min(end - index, (pgoff_t)psb->trans_max_pages);
-		int path_len;
-		struct netfs_trans *trans;
-
-		err = pohmelfs_inode_has_dirty_pages(mapping, index);
-		if (!err)
-			break;
-
-		err = pohmelfs_path_length(pi);
-		if (err < 0)
-			break;
-
-		path_len = err;
-
-		if (path_len <= 2) {
-			err = -ENOENT;
-			break;
-		}
-
-		trans = netfs_trans_alloc(psb, path_len, 0, i);
-		if (!trans) {
-			err = -ENOMEM;
-			break;
-		}
-		trans->complete = &pohmelfs_write_trans_complete;
-
-		trans->page_num = nr_pages = find_get_pages_tag(mapping, &index,
-				PAGECACHE_TAG_DIRTY, trans->page_num,
-				trans->pages);
-
-		dprintk("%s: t: %p, nr_pages: %u, end: %lu, index: %lu, max: %u.\n",
-				__func__, trans, nr_pages, end, index, trans->page_num);
-
-		if (!nr_pages)
-			goto err_out_reset;
-
-		err = pohmelfs_write_inode_create(inode, trans);
-		if (err)
-			goto err_out_reset;
-
-		err = 0;
-		scanned = 1;
-
-		for (i = 0; i < trans->page_num; i++) {
-			struct page *page = trans->pages[i];
-
-			lock_page(page);
-
-			if (unlikely(page->mapping != mapping))
-				goto out_continue;
-
-			if (!wbc->range_cyclic && page->index > end) {
-				done = 1;
-				goto out_continue;
-			}
-
-			if (wbc->sync_mode != WB_SYNC_NONE)
-				wait_on_page_writeback(page);
-
-			if (PageWriteback(page) ||
-			    !clear_page_dirty_for_io(page)) {
-				dprintk("%s: not clear for io page: %p, writeback: %d.\n",
-						__func__, page, PageWriteback(page));
-				goto out_continue;
-			}
-
-			set_page_writeback(page);
-
-			trans->attached_size += page_private(page);
-			trans->attached_pages++;
-#if 0
-			dprintk("%s: %u/%u added trans: %p, gen: %u, page: %p, [High: %d], size: %lu, idx: %lu.\n",
-					__func__, i, trans->page_num, trans, trans->gen, page,
-					!!PageHighMem(page), page_private(page), page->index);
-#endif
-			wbc->nr_to_write--;
-
-			if (wbc->nr_to_write <= 0)
-				done = 1;
-
-			continue;
-out_continue:
-			unlock_page(page);
-			trans->pages[i] = NULL;
-		}
-
-		err = netfs_trans_finish(trans, psb);
-		if (err)
-			break;
-
-		continue;
-
-err_out_reset:
-		trans->result = err;
-		netfs_trans_reset(trans);
-		netfs_trans_put(trans);
-		break;
-	}
-
-	if (!scanned && !done) {
-		/*
-		 * We hit the last page and there is more work to be done: wrap
-		 * back to the start of the file
-		 */
-		scanned = 1;
-		index = 0;
-		goto retry;
-	}
-
-	if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
-		mapping->writeback_index = index;
-
-	return err;
-}
-
-/*
- * Inode writeback creation completion callback.
- * Only invoked for just created inodes, which do not have pages attached,
- * like dirs and empty files.
- */
-static int pohmelfs_write_inode_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct inode *inode = private;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-	if (inode) {
-		if (err) {
-			mark_inode_dirty(inode);
-			clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-		} else {
-			set_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-		}
-
-		pohmelfs_put_inode(pi);
-	}
-
-	return err;
-}
-
-int pohmelfs_write_create_inode(struct pohmelfs_inode *pi)
-{
-	struct netfs_trans *t;
-	struct inode *inode = &pi->vfs_inode;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	int err;
-
-	if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state))
-		return 0;
-
-	dprintk("%s: started ino: %llu.\n", __func__, pi->ino);
-
-	err = pohmelfs_path_length(pi);
-	if (err < 0)
-		goto err_out_exit;
-
-	t = netfs_trans_alloc(psb, err + 1, 0, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-	t->complete = pohmelfs_write_inode_complete;
-	t->private = igrab(inode);
-	if (!t->private) {
-		err = -ENOENT;
-		goto err_out_put;
-	}
-
-	err = pohmelfs_write_inode_create(inode, t);
-	if (err)
-		goto err_out_put;
-
-	netfs_trans_finish(t, POHMELFS_SB(inode->i_sb));
-
-	return 0;
-
-err_out_put:
-	t->result = err;
-	netfs_trans_put(t);
-err_out_exit:
-	return err;
-}
-
-/*
- * Sync all not-yet-created children in given directory to the server.
- */
-static int pohmelfs_write_inode_create_children(struct inode *inode)
-{
-	struct pohmelfs_inode *parent = POHMELFS_I(inode);
-	struct super_block *sb = inode->i_sb;
-	struct pohmelfs_name *n;
-
-	while (!list_empty(&parent->sync_create_list)) {
-		n = NULL;
-		mutex_lock(&parent->offset_lock);
-		if (!list_empty(&parent->sync_create_list)) {
-			n = list_first_entry(&parent->sync_create_list,
-				struct pohmelfs_name, sync_create_entry);
-			list_del_init(&n->sync_create_entry);
-		}
-		mutex_unlock(&parent->offset_lock);
-
-		if (!n)
-			break;
-
-		inode = ilookup(sb, n->ino);
-
-		dprintk("%s: parent: %llu, ino: %llu, inode: %p.\n",
-				__func__, parent->ino, n->ino, inode);
-
-		if (inode && (inode->i_state & I_DIRTY)) {
-			struct pohmelfs_inode *pi = POHMELFS_I(inode);
-			pohmelfs_write_create_inode(pi);
-			/* pohmelfs_meta_command(pi, NETFS_INODE_INFO, 0, NULL, NULL, 0); */
-			iput(inode);
-		}
-	}
-
-	return 0;
-}
-
-/*
- * Removes given child from given inode on server.
- */
-int pohmelfs_remove_child(struct pohmelfs_inode *pi, struct pohmelfs_name *n)
-{
-	return pohmelfs_meta_command_data(pi, pi->ino, NETFS_REMOVE, NULL, 0, NULL, NULL, 0);
-}
-
-/*
- * Writeback for given inode.
- */
-static int pohmelfs_write_inode(struct inode *inode,
-				struct writeback_control *wbc)
-{
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-	pohmelfs_write_create_inode(pi);
-	pohmelfs_write_inode_create_children(inode);
-
-	return 0;
-}
-
-/*
- * It is not exported, sorry...
- */
-static inline wait_queue_head_t *page_waitqueue(struct page *page)
-{
-	const struct zone *zone = page_zone(page);
-
-	return &zone->wait_table[hash_ptr(page, zone->wait_table_bits)];
-}
-
-static int pohmelfs_wait_on_page_locked(struct page *page)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(page->mapping->host->i_sb);
-	long ret = psb->wait_on_page_timeout;
-	DEFINE_WAIT_BIT(wait, &page->flags, PG_locked);
-	int err = 0;
-
-	if (!PageLocked(page))
-		return 0;
-
-	for (;;) {
-		prepare_to_wait(page_waitqueue(page),
-				&wait.wait, TASK_INTERRUPTIBLE);
-
-		dprintk("%s: page: %p, locked: %d, uptodate: %d, error: %d, flags: %lx.\n",
-				__func__, page, PageLocked(page), PageUptodate(page),
-				PageError(page), page->flags);
-
-		if (!PageLocked(page))
-			break;
-
-		if (!signal_pending(current)) {
-			ret = schedule_timeout(ret);
-			if (!ret)
-				break;
-			continue;
-		}
-		ret = -ERESTARTSYS;
-		break;
-	}
-	finish_wait(page_waitqueue(page), &wait.wait);
-
-	if (!ret)
-		err = -ETIMEDOUT;
-
-
-	if (!err)
-		SetPageUptodate(page);
-
-	if (err)
-		printk("%s: page: %p, uptodate: %d, locked: %d, err: %d.\n",
-			__func__, page, PageUptodate(page), PageLocked(page), err);
-
-	return err;
-}
-
-static int pohmelfs_read_page_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct page *page = private;
-
-	if (PageChecked(page))
-		return err;
-
-	if (err < 0) {
-		dprintk("%s: page: %p, err: %d.\n", __func__, page, err);
-		SetPageError(page);
-	}
-
-	unlock_page(page);
-
-	return err;
-}
-
-/*
- * Read a page from remote server.
- * Function will wait until page is unlocked.
- */
-static int pohmelfs_readpage(struct file *file, struct page *page)
-{
-	struct inode *inode = page->mapping->host;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	int err, path_len;
-	void *data;
-	u64 isize;
-
-	err = pohmelfs_data_lock(pi, page->index << PAGE_CACHE_SHIFT,
-			PAGE_SIZE, POHMELFS_READ_LOCK);
-	if (err)
-		goto err_out_exit;
-
-	isize = i_size_read(inode);
-	if (isize <= page->index << PAGE_CACHE_SHIFT) {
-		SetPageUptodate(page);
-		unlock_page(page);
-		return 0;
-	}
-
-	path_len = pohmelfs_path_length(pi);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_exit;
-	}
-
-	t = netfs_trans_alloc(psb, path_len, NETFS_TRANS_SINGLE_DST, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	t->complete = pohmelfs_read_page_complete;
-	t->private = page;
-
-	cmd = netfs_trans_current(t);
-	data = (void *)(cmd + 1);
-
-	err = pohmelfs_construct_path_string(pi, data, path_len);
-	if (err < 0)
-		goto err_out_free;
-
-	path_len = err;
-
-	cmd->id = pi->ino;
-	cmd->start = page->index;
-	cmd->start <<= PAGE_CACHE_SHIFT;
-	cmd->size = PAGE_CACHE_SIZE + path_len;
-	cmd->cmd = NETFS_READ_PAGE;
-	cmd->ext = path_len;
-
-	dprintk("%s: path: '%s', page: %p, ino: %llu, start: %llu, size: %lu.\n",
-			__func__, (char *)data, page, pi->ino, cmd->start, PAGE_CACHE_SIZE);
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, path_len);
-
-	err = netfs_trans_finish(t, psb);
-	if (err)
-		goto err_out_return;
-
-	return pohmelfs_wait_on_page_locked(page);
-
-err_out_free:
-	t->result = err;
-	netfs_trans_put(t);
-err_out_exit:
-	SetPageError(page);
-	if (PageLocked(page))
-		unlock_page(page);
-err_out_return:
-	printk("%s: page: %p, start: %lu, size: %lu, err: %d.\n",
-		__func__, page, page->index << PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE, err);
-
-	return err;
-}
-
-/*
- * Write begin/end magic.
- * Allocates a page and writes inode if it was not synced to server before.
- */
-static int pohmelfs_write_begin(struct file *file, struct address_space *mapping,
-		loff_t pos, unsigned len, unsigned flags,
-		struct page **pagep, void **fsdata)
-{
-	struct inode *inode = mapping->host;
-	struct page *page;
-	pgoff_t index;
-	unsigned start, end;
-	int err;
-
-	*pagep = NULL;
-
-	index = pos >> PAGE_CACHE_SHIFT;
-	start = pos & (PAGE_CACHE_SIZE - 1);
-	end = start + len;
-
-	page = grab_cache_page(mapping, index);
-#if 0
-	dprintk("%s: page: %p pos: %llu, len: %u, index: %lu, start: %u, end: %u, uptodate: %d.\n",
-			__func__, page,	pos, len, index, start, end, PageUptodate(page));
-#endif
-	if (!page) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	while (!PageUptodate(page)) {
-		if (start && test_bit(NETFS_INODE_REMOTE_SYNCED, &POHMELFS_I(inode)->state)) {
-			err = pohmelfs_readpage(file, page);
-			if (err)
-				goto err_out_exit;
-
-			lock_page(page);
-			continue;
-		}
-
-		if (len != PAGE_CACHE_SIZE) {
-			void *kaddr = kmap_atomic(page, KM_USER0);
-
-			memset(kaddr + start, 0, PAGE_CACHE_SIZE - start);
-			flush_dcache_page(page);
-			kunmap_atomic(kaddr, KM_USER0);
-		}
-		SetPageUptodate(page);
-	}
-
-	set_page_private(page, end);
-
-	*pagep = page;
-
-	return 0;
-
-err_out_exit:
-	page_cache_release(page);
-	*pagep = NULL;
-
-	return err;
-}
-
-static int pohmelfs_write_end(struct file *file, struct address_space *mapping,
-			loff_t pos, unsigned len, unsigned copied,
-			struct page *page, void *fsdata)
-{
-	struct inode *inode = mapping->host;
-
-	if (copied != len) {
-		unsigned from = pos & (PAGE_CACHE_SIZE - 1);
-		void *kaddr = kmap_atomic(page, KM_USER0);
-
-		memset(kaddr + from + copied, 0, len - copied);
-		flush_dcache_page(page);
-		kunmap_atomic(kaddr, KM_USER0);
-	}
-
-	SetPageUptodate(page);
-	set_page_dirty(page);
-#if 0
-	dprintk("%s: page: %p [U: %d, D: %d, L: %d], pos: %llu, len: %u, copied: %u.\n",
-			__func__, page,
-			PageUptodate(page), PageDirty(page), PageLocked(page),
-			pos, len, copied);
-#endif
-	flush_dcache_page(page);
-
-	unlock_page(page);
-	page_cache_release(page);
-
-	if (pos + copied > inode->i_size) {
-		struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-
-		psb->avail_size -= pos + copied - inode->i_size;
-
-		i_size_write(inode, pos + copied);
-	}
-
-	return copied;
-}
-
-static int pohmelfs_readpages_trans_complete(struct page **__pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct pohmelfs_inode *pi = private;
-	unsigned int i, num;
-	struct page **pages, *page = (struct page *)__pages;
-	loff_t index = page->index;
-
-	pages = kzalloc(sizeof(void *) * page_num, GFP_NOIO);
-	if (!pages)
-		return -ENOMEM;
-
-	num = find_get_pages_contig(pi->vfs_inode.i_mapping, index, page_num, pages);
-	if (num <= 0) {
-		err = num;
-		goto err_out_free;
-	}
-
-	for (i = 0; i < num; ++i) {
-		page = pages[i];
-
-		if (err)
-			printk("%s: %u/%u: page: %p, index: %lu, uptodate: %d, locked: %d, err: %d.\n",
-				__func__, i, num, page, page->index,
-				PageUptodate(page), PageLocked(page), err);
-
-		if (!PageChecked(page)) {
-			if (err < 0)
-				SetPageError(page);
-			unlock_page(page);
-		}
-		page_cache_release(page);
-		page_cache_release(page);
-	}
-
-err_out_free:
-	kfree(pages);
-	return err;
-}
-
-static int pohmelfs_send_readpages(struct pohmelfs_inode *pi, struct page *first, unsigned int num)
-{
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-	int err, path_len;
-	void *data;
-
-	err = pohmelfs_data_lock(pi, first->index << PAGE_CACHE_SHIFT,
-			num * PAGE_SIZE, POHMELFS_READ_LOCK);
-	if (err)
-		goto err_out_exit;
-
-	path_len = pohmelfs_path_length(pi);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_exit;
-	}
-
-	t = netfs_trans_alloc(psb, path_len, NETFS_TRANS_SINGLE_DST, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	cmd = netfs_trans_current(t);
-	data = (void *)(cmd + 1);
-
-	t->complete = pohmelfs_readpages_trans_complete;
-	t->private = pi;
-	t->page_num = num;
-	t->pages = (struct page **)first;
-
-	err = pohmelfs_construct_path_string(pi, data, path_len);
-	if (err < 0)
-		goto err_out_put;
-
-	path_len = err;
-
-	cmd->cmd = NETFS_READ_PAGES;
-	cmd->start = first->index;
-	cmd->start <<= PAGE_CACHE_SHIFT;
-	cmd->size = (num << 8 | PAGE_CACHE_SHIFT);
-	cmd->id = pi->ino;
-	cmd->ext = path_len;
-
-	dprintk("%s: t: %p, gen: %u, path: '%s', path_len: %u, "
-			"start: %lu, num: %u.\n",
-			__func__, t, t->gen, (char *)data, path_len,
-			first->index, num);
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, path_len);
-
-	return netfs_trans_finish(t, psb);
-
-err_out_put:
-	netfs_trans_free(t);
-err_out_exit:
-	pohmelfs_readpages_trans_complete((struct page **)first, num, pi, err);
-	return err;
-}
-
-#define list_to_page(head) (list_entry((head)->prev, struct page, lru))
-
-static int pohmelfs_readpages(struct file *file, struct address_space *mapping,
-			struct list_head *pages, unsigned nr_pages)
-{
-	unsigned int page_idx, num = 0;
-	struct page *page = NULL, *first = NULL;
-
-	for (page_idx = 0; page_idx < nr_pages; page_idx++) {
-		page = list_to_page(pages);
-
-		prefetchw(&page->flags);
-		list_del(&page->lru);
-
-		if (!add_to_page_cache_lru(page, mapping,
-					page->index, GFP_KERNEL)) {
-
-			if (!num) {
-				num = 1;
-				first = page;
-				continue;
-			}
-
-			dprintk("%s: added to lru page: %p, page_index: %lu, first_index: %lu.\n",
-					__func__, page, page->index, first->index);
-
-			if (unlikely(first->index + num != page->index) || (num > 500)) {
-				pohmelfs_send_readpages(POHMELFS_I(mapping->host),
-						first, num);
-				first = page;
-				num = 0;
-			}
-
-			num++;
-		}
-	}
-	pohmelfs_send_readpages(POHMELFS_I(mapping->host), first, num);
-
-	/*
-	 * This will be sync read, so when last page is processed,
-	 * all previous are alerady unlocked and ready to be used.
-	 */
-	return 0;
-}
-
-/*
- * Small address space operations for POHMELFS.
- */
-const struct address_space_operations pohmelfs_aops = {
-	.readpage		= pohmelfs_readpage,
-	.readpages		= pohmelfs_readpages,
-	.writepages		= pohmelfs_writepages,
-	.write_begin		= pohmelfs_write_begin,
-	.write_end		= pohmelfs_write_end,
-	.set_page_dirty 	= __set_page_dirty_nobuffers,
-};
-
-static void pohmelfs_i_callback(struct rcu_head *head)
-{
-	struct inode *inode = container_of(head, struct inode, i_rcu);
-	kmem_cache_free(pohmelfs_inode_cache, POHMELFS_I(inode));
-}
-
-/*
- * ->destroy_inode() callback. Deletes inode from the caches
- *  and frees private data.
- */
-static void pohmelfs_destroy_inode(struct inode *inode)
-{
-	struct super_block *sb = inode->i_sb;
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-	/* pohmelfs_data_unlock(pi, 0, inode->i_size, POHMELFS_READ_LOCK); */
-
-	pohmelfs_inode_del_inode(psb, pi);
-
-	dprintk("%s: pi: %p, inode: %p, ino: %llu.\n",
-		__func__, pi, &pi->vfs_inode, pi->ino);
-	atomic_long_dec(&psb->total_inodes);
-	call_rcu(&inode->i_rcu, pohmelfs_i_callback);
-}
-
-/*
- * ->alloc_inode() callback. Allocates inode and initializes private data.
- */
-static struct inode *pohmelfs_alloc_inode(struct super_block *sb)
-{
-	struct pohmelfs_inode *pi;
-
-	pi = kmem_cache_alloc(pohmelfs_inode_cache, GFP_NOIO);
-	if (!pi)
-		return NULL;
-
-	pi->hash_root = RB_ROOT;
-	mutex_init(&pi->offset_lock);
-
-	INIT_LIST_HEAD(&pi->sync_create_list);
-
-	INIT_LIST_HEAD(&pi->inode_entry);
-
-	pi->lock_type = 0;
-	pi->state = 0;
-	pi->total_len = 0;
-	pi->drop_count = 0;
-
-	dprintk("%s: pi: %p, inode: %p.\n", __func__, pi, &pi->vfs_inode);
-
-	atomic_long_inc(&POHMELFS_SB(sb)->total_inodes);
-
-	return &pi->vfs_inode;
-}
-
-/*
- * We want fsync() to work on POHMELFS.
- */
-static int pohmelfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
-{
-	struct inode *inode = file->f_mapping->host;
-	int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
-	if (!err) {
-		mutex_lock(&inode->i_mutex);
-		err = sync_inode_metadata(inode, 1);
-		mutex_unlock(&inode->i_mutex);
-	}
-	return err;
-}
-
-ssize_t pohmelfs_write(struct file *file, const char __user *buf,
-		size_t len, loff_t *ppos)
-{
-	struct address_space *mapping = file->f_mapping;
-	struct inode *inode = mapping->host;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = len };
-	struct kiocb kiocb;
-	ssize_t ret;
-	loff_t pos = *ppos;
-
-	init_sync_kiocb(&kiocb, file);
-	kiocb.ki_pos = pos;
-	kiocb.ki_left = len;
-
-	dprintk("%s: len: %zu, pos: %llu.\n", __func__, len, pos);
-
-	mutex_lock(&inode->i_mutex);
-	ret = pohmelfs_data_lock(pi, pos, len, POHMELFS_WRITE_LOCK);
-	if (ret)
-		goto err_out_unlock;
-
-	ret = __generic_file_aio_write(&kiocb, &iov, 1, &kiocb.ki_pos);
-	*ppos = kiocb.ki_pos;
-
-	mutex_unlock(&inode->i_mutex);
-	WARN_ON(ret < 0);
-
-	if (ret > 0) {
-		ssize_t err;
-
-		err = generic_write_sync(file, pos, ret);
-		if (err < 0)
-			ret = err;
-		WARN_ON(ret < 0);
-	}
-
-	return ret;
-
-err_out_unlock:
-	mutex_unlock(&inode->i_mutex);
-	return ret;
-}
-
-static const struct file_operations pohmelfs_file_ops = {
-	.open		= generic_file_open,
-	.fsync		= pohmelfs_fsync,
-
-	.llseek		= generic_file_llseek,
-
-	.read		= do_sync_read,
-	.aio_read	= generic_file_aio_read,
-
-	.mmap		= generic_file_mmap,
-
-	.splice_read	= generic_file_splice_read,
-	.splice_write	= generic_file_splice_write,
-
-	.write		= pohmelfs_write,
-	.aio_write	= generic_file_aio_write,
-};
-
-const struct inode_operations pohmelfs_symlink_inode_operations = {
-	.readlink	= generic_readlink,
-	.follow_link	= page_follow_link_light,
-	.put_link	= page_put_link,
-};
-
-int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr)
-{
-	int err;
-
-	err = inode_change_ok(inode, attr);
-	if (err) {
-		dprintk("%s: ino: %llu, inode changes are not allowed.\n", __func__, POHMELFS_I(inode)->ino);
-		goto err_out_exit;
-	}
-
-	if ((attr->ia_valid & ATTR_SIZE) &&
-	    attr->ia_size != i_size_read(inode)) {
-		err = vmtruncate(inode, attr->ia_size);
-		if (err) {
-			dprintk("%s: ino: %llu, failed to set the attributes.\n", __func__, POHMELFS_I(inode)->ino);
-			goto err_out_exit;
-		}
-	}
-
-	setattr_copy(inode, attr);
-	mark_inode_dirty(inode);
-
-	dprintk("%s: ino: %llu, mode: %o -> %o, uid: %u -> %u, gid: %u -> %u, size: %llu -> %llu.\n",
-			__func__, POHMELFS_I(inode)->ino, inode->i_mode, attr->ia_mode,
-			inode->i_uid, attr->ia_uid, inode->i_gid, attr->ia_gid, inode->i_size, attr->ia_size);
-
-	return 0;
-
-err_out_exit:
-	return err;
-}
-
-int pohmelfs_setattr(struct dentry *dentry, struct iattr *attr)
-{
-	struct inode *inode = dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	int err;
-
-	err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_WRITE_LOCK);
-	if (err)
-		goto err_out_exit;
-
-	err = security_inode_setattr(dentry, attr);
-	if (err)
-		goto err_out_exit;
-
-	err = pohmelfs_setattr_raw(inode, attr);
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	return err;
-}
-
-static int pohmelfs_send_xattr_req(struct pohmelfs_inode *pi, u64 id, u64 start,
-		const char *name, const void *value, size_t attrsize, int command)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-	int err, path_len, namelen = strlen(name) + 1; /* 0-byte */
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	void *data;
-
-	dprintk("%s: id: %llu, start: %llu, name: '%s', attrsize: %zu, cmd: %d.\n",
-			__func__, id, start, name, attrsize, command);
-
-	path_len = pohmelfs_path_length(pi);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_exit;
-	}
-
-	t = netfs_trans_alloc(psb, namelen + path_len + attrsize, 0, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	cmd = netfs_trans_current(t);
-	data = cmd + 1;
-
-	path_len = pohmelfs_construct_path_string(pi, data, path_len);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_put;
-	}
-	data += path_len;
-
-	/*
-	 * 'name' is a NUL-terminated string already and
-	 * 'namelen' includes 0-byte.
-	 */
-	memcpy(data, name, namelen);
-	data += namelen;
-
-	memcpy(data, value, attrsize);
-
-	cmd->cmd = command;
-	cmd->id = id;
-	cmd->start = start;
-	cmd->size = attrsize + namelen + path_len;
-	cmd->ext = path_len;
-	cmd->csize = 0;
-	cmd->cpad = 0;
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, namelen + path_len + attrsize);
-
-	return netfs_trans_finish(t, psb);
-
-err_out_put:
-	t->result = err;
-	netfs_trans_put(t);
-err_out_exit:
-	return err;
-}
-
-static int pohmelfs_setxattr(struct dentry *dentry, const char *name,
-		const void *value, size_t attrsize, int flags)
-{
-	struct inode *inode = dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-
-	if (!(psb->state_flags & POHMELFS_FLAGS_XATTR))
-		return -EOPNOTSUPP;
-
-	return pohmelfs_send_xattr_req(pi, flags, attrsize, name,
-			value, attrsize, NETFS_XATTR_SET);
-}
-
-static ssize_t pohmelfs_getxattr(struct dentry *dentry, const char *name,
-		void *value, size_t attrsize)
-{
-	struct inode *inode = dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	struct pohmelfs_mcache *m;
-	int err;
-	long timeout = psb->mcache_timeout;
-
-	if (!(psb->state_flags & POHMELFS_FLAGS_XATTR))
-		return -EOPNOTSUPP;
-
-	m = pohmelfs_mcache_alloc(psb, 0, attrsize, value);
-	if (IS_ERR(m))
-		return PTR_ERR(m);
-
-	dprintk("%s: ino: %llu, name: '%s', size: %zu.\n",
-			__func__, pi->ino, name, attrsize);
-
-	err = pohmelfs_send_xattr_req(pi, m->gen, attrsize, name, value, 0, NETFS_XATTR_GET);
-	if (err)
-		goto err_out_put;
-
-	do {
-		err = wait_for_completion_timeout(&m->complete, timeout);
-		if (err) {
-			err = m->err;
-			break;
-		}
-
-		/*
-		 * This loop is a bit ugly, since it waits until reference counter
-		 * hits 1 and then puts the object here. Main goal is to prevent race with
-		 * the network thread, when it can start processing the given request, i.e.
-		 * increase its reference counter but yet not complete it, while
-		 * we will exit from ->getxattr() with timeout, and although request
-		 * will not be freed (its reference counter was increased by network
-		 * thread), data pointer provided by user may be released, so we will
-		 * overwrite an already freed area in the network thread.
-		 *
-		 * Now after timeout we remove request from the cache, so it can not be
-		 * found by network thread, and wait for its reference counter to hit 1,
-		 * i.e. if network thread already started to process this request, we wait
-		 * for it to finish, and then free object locally. If reference counter is
-		 * already 1, i.e. request is not used by anyone else, we can free it without
-		 * problem.
-		 */
-		err = -ETIMEDOUT;
-		timeout = HZ;
-
-		pohmelfs_mcache_remove_locked(psb, m);
-	} while (atomic_read(&m->refcnt) != 1);
-
-	pohmelfs_mcache_put(psb, m);
-
-	dprintk("%s: ino: %llu, err: %d.\n", __func__, pi->ino, err);
-
-	return err;
-
-err_out_put:
-	pohmelfs_mcache_put(psb, m);
-	return err;
-}
-
-static int pohmelfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
-{
-	struct inode *inode = dentry->d_inode;
-#if 0
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	int err;
-
-	err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK);
-	if (err)
-		return err;
-	dprintk("%s: ino: %llu, mode: %o, uid: %u, gid: %u, size: %llu.\n",
-			__func__, pi->ino, inode->i_mode, inode->i_uid,
-			inode->i_gid, inode->i_size);
-#endif
-
-	generic_fillattr(inode, stat);
-	return 0;
-}
-
-const struct inode_operations pohmelfs_file_inode_operations = {
-	.setattr	= pohmelfs_setattr,
-	.getattr	= pohmelfs_getattr,
-	.setxattr	= pohmelfs_setxattr,
-	.getxattr	= pohmelfs_getxattr,
-};
-
-/*
- * Fill inode data: mode, size, operation callbacks and so on...
- */
-void pohmelfs_fill_inode(struct inode *inode, struct netfs_inode_info *info)
-{
-	inode->i_mode = info->mode;
-	set_nlink(inode, info->nlink);
-	inode->i_uid = info->uid;
-	inode->i_gid = info->gid;
-	inode->i_blocks = info->blocks;
-	inode->i_rdev = info->rdev;
-	inode->i_size = info->size;
-	inode->i_version = info->version;
-	inode->i_blkbits = ffs(info->blocksize);
-
-	dprintk("%s: inode: %p, num: %lu/%llu inode is regular: %d, dir: %d, link: %d, mode: %o, size: %llu.\n",
-			__func__, inode, inode->i_ino, info->ino,
-			S_ISREG(inode->i_mode), S_ISDIR(inode->i_mode),
-			S_ISLNK(inode->i_mode), inode->i_mode, inode->i_size);
-
-	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
-
-	/*
-	 * i_mapping is a pointer to i_data during inode initialization.
-	 */
-	inode->i_data.a_ops = &pohmelfs_aops;
-
-	if (S_ISREG(inode->i_mode)) {
-		inode->i_fop = &pohmelfs_file_ops;
-		inode->i_op = &pohmelfs_file_inode_operations;
-	} else if (S_ISDIR(inode->i_mode)) {
-		inode->i_fop = &pohmelfs_dir_fops;
-		inode->i_op = &pohmelfs_dir_inode_ops;
-	} else if (S_ISLNK(inode->i_mode)) {
-		inode->i_op = &pohmelfs_symlink_inode_operations;
-		inode->i_fop = &pohmelfs_file_ops;
-	} else {
-		inode->i_fop = &generic_ro_fops;
-	}
-}
-
-static int pohmelfs_drop_inode(struct inode *inode)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-	spin_lock(&psb->ino_lock);
-	list_del_init(&pi->inode_entry);
-	spin_unlock(&psb->ino_lock);
-
-	return generic_drop_inode(inode);
-}
-
-static struct pohmelfs_inode *pohmelfs_get_inode_from_list(struct pohmelfs_sb *psb,
-		struct list_head *head, unsigned int *count)
-{
-	struct pohmelfs_inode *pi = NULL;
-
-	spin_lock(&psb->ino_lock);
-	if (!list_empty(head)) {
-		pi = list_entry(head->next, struct pohmelfs_inode,
-					inode_entry);
-		list_del_init(&pi->inode_entry);
-		*count = pi->drop_count;
-		pi->drop_count = 0;
-	}
-	spin_unlock(&psb->ino_lock);
-
-	return pi;
-}
-
-static void pohmelfs_flush_transactions(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c;
-
-	mutex_lock(&psb->state_lock);
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		pohmelfs_state_flush_transactions(&c->state);
-	}
-	mutex_unlock(&psb->state_lock);
-}
-
-/*
- * ->put_super() callback. Invoked before superblock is destroyed,
- *  so it has to clean all private data.
- */
-static void pohmelfs_put_super(struct super_block *sb)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-	struct pohmelfs_inode *pi;
-	unsigned int count = 0;
-	unsigned int in_drop_list = 0;
-	struct inode *inode, *tmp;
-
-	dprintk("%s.\n", __func__);
-
-	/*
-	 * Kill pending transactions, which could affect inodes in-flight.
-	 */
-	pohmelfs_flush_transactions(psb);
-
-	while ((pi = pohmelfs_get_inode_from_list(psb, &psb->drop_list, &count))) {
-		inode = &pi->vfs_inode;
-
-		dprintk("%s: ino: %llu, pi: %p, inode: %p, count: %u.\n",
-				__func__, pi->ino, pi, inode, count);
-
-		if (atomic_read(&inode->i_count) != count) {
-			printk("%s: ino: %llu, pi: %p, inode: %p, count: %u, i_count: %d.\n",
-					__func__, pi->ino, pi, inode, count,
-					atomic_read(&inode->i_count));
-			count = atomic_read(&inode->i_count);
-			in_drop_list++;
-		}
-
-		while (count--)
-			iput(&pi->vfs_inode);
-	}
-
-	list_for_each_entry_safe(inode, tmp, &sb->s_inodes, i_sb_list) {
-		pi = POHMELFS_I(inode);
-
-		dprintk("%s: ino: %llu, pi: %p, inode: %p, i_count: %u.\n",
-				__func__, pi->ino, pi, inode, atomic_read(&inode->i_count));
-
-		/*
-		 * These are special inodes, they were created during
-		 * directory reading or lookup, and were not bound to dentry,
-		 * so they live here with reference counter being 1 and prevent
-		 * umount from succeed since it believes that they are busy.
-		 */
-		count = atomic_read(&inode->i_count);
-		if (count) {
-			list_del_init(&inode->i_sb_list);
-			while (count--)
-				iput(&pi->vfs_inode);
-		}
-	}
-
-	psb->trans_scan_timeout = psb->drop_scan_timeout = 0;
-	cancel_delayed_work_sync(&psb->dwork);
-	cancel_delayed_work_sync(&psb->drop_dwork);
-	flush_scheduled_work();
-
-	dprintk("%s: stopped workqueues.\n", __func__);
-
-	pohmelfs_crypto_exit(psb);
-	pohmelfs_state_exit(psb);
-
-	bdi_destroy(&psb->bdi);
-
-	kfree(psb);
-	sb->s_fs_info = NULL;
-}
-
-static int pohmelfs_statfs(struct dentry *dentry, struct kstatfs *buf)
-{
-	struct super_block *sb = dentry->d_sb;
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-
-	/*
-	 * There are no filesystem size limits yet.
-	 */
-	memset(buf, 0, sizeof(struct kstatfs));
-
-	buf->f_type = POHMELFS_MAGIC_NUM; /* 'POH.' */
-	buf->f_bsize = sb->s_blocksize;
-	buf->f_files = psb->ino;
-	buf->f_namelen = 255;
-	buf->f_files = atomic_long_read(&psb->total_inodes);
-	buf->f_bfree = buf->f_bavail = psb->avail_size >> PAGE_SHIFT;
-	buf->f_blocks = psb->total_size >> PAGE_SHIFT;
-
-	dprintk("%s: total: %llu, avail: %llu, inodes: %llu, bsize: %lu.\n",
-		__func__, psb->total_size, psb->avail_size, buf->f_files, sb->s_blocksize);
-
-	return 0;
-}
-
-static int pohmelfs_show_options(struct seq_file *seq, struct dentry *root)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb);
-
-	seq_printf(seq, ",idx=%u", psb->idx);
-	seq_printf(seq, ",trans_scan_timeout=%u", jiffies_to_msecs(psb->trans_scan_timeout));
-	seq_printf(seq, ",drop_scan_timeout=%u", jiffies_to_msecs(psb->drop_scan_timeout));
-	seq_printf(seq, ",wait_on_page_timeout=%u", jiffies_to_msecs(psb->wait_on_page_timeout));
-	seq_printf(seq, ",trans_retries=%u", psb->trans_retries);
-	seq_printf(seq, ",crypto_thread_num=%u", psb->crypto_thread_num);
-	seq_printf(seq, ",trans_max_pages=%u", psb->trans_max_pages);
-	seq_printf(seq, ",mcache_timeout=%u", jiffies_to_msecs(psb->mcache_timeout));
-	if (psb->crypto_fail_unsupported)
-		seq_printf(seq, ",crypto_fail_unsupported");
-
-	return 0;
-}
-
-enum {
-	pohmelfs_opt_idx,
-	pohmelfs_opt_crypto_thread_num,
-	pohmelfs_opt_trans_max_pages,
-	pohmelfs_opt_crypto_fail_unsupported,
-
-	/* Remountable options */
-	pohmelfs_opt_trans_scan_timeout,
-	pohmelfs_opt_drop_scan_timeout,
-	pohmelfs_opt_wait_on_page_timeout,
-	pohmelfs_opt_trans_retries,
-	pohmelfs_opt_mcache_timeout,
-};
-
-static struct match_token pohmelfs_tokens[] = {
-	{pohmelfs_opt_idx, "idx=%u"},
-	{pohmelfs_opt_crypto_thread_num, "crypto_thread_num=%u"},
-	{pohmelfs_opt_trans_max_pages, "trans_max_pages=%u"},
-	{pohmelfs_opt_crypto_fail_unsupported, "crypto_fail_unsupported"},
-	{pohmelfs_opt_trans_scan_timeout, "trans_scan_timeout=%u"},
-	{pohmelfs_opt_drop_scan_timeout, "drop_scan_timeout=%u"},
-	{pohmelfs_opt_wait_on_page_timeout, "wait_on_page_timeout=%u"},
-	{pohmelfs_opt_trans_retries, "trans_retries=%u"},
-	{pohmelfs_opt_mcache_timeout, "mcache_timeout=%u"},
-};
-
-static int pohmelfs_parse_options(char *options, struct pohmelfs_sb *psb, int remount)
-{
-	char *p;
-	substring_t args[MAX_OPT_ARGS];
-	int option, err;
-
-	if (!options)
-		return 0;
-
-	while ((p = strsep(&options, ",")) != NULL) {
-		int token;
-		if (!*p)
-			continue;
-
-		token = match_token(p, pohmelfs_tokens, args);
-
-		err = match_int(&args[0], &option);
-		if (err)
-			return err;
-
-		if (remount && token <= pohmelfs_opt_crypto_fail_unsupported)
-			continue;
-
-		switch (token) {
-		case pohmelfs_opt_idx:
-			psb->idx = option;
-			break;
-		case pohmelfs_opt_trans_scan_timeout:
-			psb->trans_scan_timeout = msecs_to_jiffies(option);
-			break;
-		case pohmelfs_opt_drop_scan_timeout:
-			psb->drop_scan_timeout = msecs_to_jiffies(option);
-			break;
-		case pohmelfs_opt_wait_on_page_timeout:
-			psb->wait_on_page_timeout = msecs_to_jiffies(option);
-			break;
-		case pohmelfs_opt_mcache_timeout:
-			psb->mcache_timeout = msecs_to_jiffies(option);
-			break;
-		case pohmelfs_opt_trans_retries:
-			psb->trans_retries = option;
-			break;
-		case pohmelfs_opt_crypto_thread_num:
-			psb->crypto_thread_num = option;
-			break;
-		case pohmelfs_opt_trans_max_pages:
-			psb->trans_max_pages = option;
-			break;
-		case pohmelfs_opt_crypto_fail_unsupported:
-			psb->crypto_fail_unsupported = 1;
-			break;
-		default:
-			return -EINVAL;
-		}
-	}
-
-	return 0;
-}
-
-static int pohmelfs_remount(struct super_block *sb, int *flags, char *data)
-{
-	int err;
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-	unsigned long old_sb_flags = sb->s_flags;
-
-	err = pohmelfs_parse_options(data, psb, 1);
-	if (err)
-		goto err_out_restore;
-
-	if (!(*flags & MS_RDONLY))
-		sb->s_flags &= ~MS_RDONLY;
-	return 0;
-
-err_out_restore:
-	sb->s_flags = old_sb_flags;
-	return err;
-}
-
-static void pohmelfs_flush_inode(struct pohmelfs_inode *pi, unsigned int count)
-{
-	struct inode *inode = &pi->vfs_inode;
-
-	dprintk("%s: %p: ino: %llu, owned: %d.\n",
-		__func__, inode, pi->ino, test_bit(NETFS_INODE_OWNED, &pi->state));
-
-	mutex_lock(&inode->i_mutex);
-	if (test_and_clear_bit(NETFS_INODE_OWNED, &pi->state)) {
-		filemap_fdatawrite(inode->i_mapping);
-		inode->i_sb->s_op->write_inode(inode, 0);
-	}
-
-#ifdef POHMELFS_TRUNCATE_ON_INODE_FLUSH
-	truncate_inode_pages(inode->i_mapping, 0);
-#endif
-
-	pohmelfs_data_unlock(pi, 0, ~0, POHMELFS_WRITE_LOCK);
-	mutex_unlock(&inode->i_mutex);
-}
-
-static void pohmelfs_put_inode_count(struct pohmelfs_inode *pi, unsigned int count)
-{
-	dprintk("%s: ino: %llu, pi: %p, inode: %p, count: %u.\n",
-			__func__, pi->ino, pi, &pi->vfs_inode, count);
-
-	if (test_and_clear_bit(NETFS_INODE_NEED_FLUSH, &pi->state))
-		pohmelfs_flush_inode(pi, count);
-
-	while (count--)
-		iput(&pi->vfs_inode);
-}
-
-static void pohmelfs_drop_scan(struct work_struct *work)
-{
-	struct pohmelfs_sb *psb =
-		container_of(work, struct pohmelfs_sb, drop_dwork.work);
-	struct pohmelfs_inode *pi;
-	unsigned int count = 0;
-
-	while ((pi = pohmelfs_get_inode_from_list(psb, &psb->drop_list, &count)))
-		pohmelfs_put_inode_count(pi, count);
-
-	pohmelfs_check_states(psb);
-
-	if (psb->drop_scan_timeout)
-		schedule_delayed_work(&psb->drop_dwork, psb->drop_scan_timeout);
-}
-
-/*
- * Run through all transactions starting from the oldest,
- * drop transaction from current state and try to send it
- * to all remote nodes, which are currently installed.
- */
-static void pohmelfs_trans_scan_state(struct netfs_state *st)
-{
-	struct rb_node *rb_node;
-	struct netfs_trans_dst *dst;
-	struct pohmelfs_sb *psb = st->psb;
-	unsigned int timeout = psb->trans_scan_timeout;
-	struct netfs_trans *t;
-	int err;
-
-	mutex_lock(&st->trans_lock);
-	for (rb_node = rb_first(&st->trans_root); rb_node; ) {
-		dst = rb_entry(rb_node, struct netfs_trans_dst, state_entry);
-		t = dst->trans;
-
-		if (timeout && time_after(dst->send_time + timeout, jiffies)
-				&& dst->retries == 0)
-			break;
-
-		dprintk("%s: t: %p, gen: %u, st: %p, retries: %u, max: %u.\n",
-			__func__, t, t->gen, st, dst->retries, psb->trans_retries);
-		netfs_trans_get(t);
-
-		rb_node = rb_next(rb_node);
-
-		err = -ETIMEDOUT;
-		if (timeout && (++dst->retries < psb->trans_retries))
-			err = netfs_trans_resend(t, psb);
-
-		if (err || (t->flags & NETFS_TRANS_SINGLE_DST)) {
-			if (netfs_trans_remove_nolock(dst, st))
-				netfs_trans_drop_dst_nostate(dst);
-		}
-
-		t->result = err;
-		netfs_trans_put(t);
-	}
-	mutex_unlock(&st->trans_lock);
-}
-
-/*
- * Walk through all installed network states and resend all
- * transactions, which are old enough.
- */
-static void pohmelfs_trans_scan(struct work_struct *work)
-{
-	struct pohmelfs_sb *psb =
-		container_of(work, struct pohmelfs_sb, dwork.work);
-	struct netfs_state *st;
-	struct pohmelfs_config *c;
-
-	mutex_lock(&psb->state_lock);
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-
-		pohmelfs_trans_scan_state(st);
-	}
-	mutex_unlock(&psb->state_lock);
-
-	/*
-	 * If no timeout specified then system is in the middle of umount process,
-	 * so no need to reschedule scanning process again.
-	 */
-	if (psb->trans_scan_timeout)
-		schedule_delayed_work(&psb->dwork, psb->trans_scan_timeout);
-}
-
-int pohmelfs_meta_command_data(struct pohmelfs_inode *pi, u64 id, unsigned int cmd_op, char *addon,
-		unsigned int flags, netfs_trans_complete_t complete, void *priv, u64 start)
-{
-	struct inode *inode = &pi->vfs_inode;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	int err = 0, sz;
-	struct netfs_trans *t;
-	int path_len, addon_len = 0;
-	void *data;
-	struct netfs_inode_info *info;
-	struct netfs_cmd *cmd;
-
-	dprintk("%s: ino: %llu, cmd: %u, addon: %p.\n", __func__, pi->ino, cmd_op, addon);
-
-	path_len = pohmelfs_path_length(pi);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_exit;
-	}
-
-	if (addon)
-		addon_len = strlen(addon) + 1; /* 0-byte */
-	sz = addon_len;
-
-	if (cmd_op == NETFS_INODE_INFO)
-		sz += sizeof(struct netfs_inode_info);
-
-	t = netfs_trans_alloc(psb, sz + path_len, flags, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-	t->complete = complete;
-	t->private = priv;
-
-	cmd = netfs_trans_current(t);
-	data = (void *)(cmd + 1);
-
-	if (cmd_op == NETFS_INODE_INFO) {
-		info = (struct netfs_inode_info *)(cmd + 1);
-		data = (void *)(info + 1);
-
-		/*
-		 * We are under i_mutex, can read and change whatever we want...
-		 */
-		info->mode = inode->i_mode;
-		info->nlink = inode->i_nlink;
-		info->uid = inode->i_uid;
-		info->gid = inode->i_gid;
-		info->blocks = inode->i_blocks;
-		info->rdev = inode->i_rdev;
-		info->size = inode->i_size;
-		info->version = inode->i_version;
-
-		netfs_convert_inode_info(info);
-	}
-
-	path_len = pohmelfs_construct_path_string(pi, data, path_len);
-	if (path_len < 0)
-		goto err_out_free;
-
-	dprintk("%s: path_len: %d.\n", __func__, path_len);
-
-	if (addon) {
-		path_len--; /* Do not place null-byte before the addon */
-		path_len += sprintf(data + path_len, "/%s", addon) + 1; /* 0 - byte */
-	}
-
-	sz += path_len;
-
-	cmd->cmd = cmd_op;
-	cmd->ext = path_len;
-	cmd->size = sz;
-	cmd->id = id;
-	cmd->start = start;
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, sz);
-
-	/*
-	 * Note, that it is possible to leak error here: transaction callback will not
-	 * be invoked for allocation path failure.
-	 */
-	return netfs_trans_finish(t, psb);
-
-err_out_free:
-	netfs_trans_free(t);
-err_out_exit:
-	if (complete)
-		complete(NULL, 0, priv, err);
-	return err;
-}
-
-int pohmelfs_meta_command(struct pohmelfs_inode *pi, unsigned int cmd_op, unsigned int flags,
-		netfs_trans_complete_t complete, void *priv, u64 start)
-{
-	return pohmelfs_meta_command_data(pi, pi->ino, cmd_op, NULL, flags, complete, priv, start);
-}
-
-/*
- * Send request and wait for POHMELFS root capabilities response,
- * which will update server's informaion about size of the export,
- * permissions, number of objects, available size and so on.
- */
-static int pohmelfs_root_handshake(struct pohmelfs_sb *psb)
-{
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	int err = -ENOMEM;
-
-	t = netfs_trans_alloc(psb, 0, 0, 0);
-	if (!t)
-		goto err_out_exit;
-
-	cmd = netfs_trans_current(t);
-
-	cmd->cmd = NETFS_CAPABILITIES;
-	cmd->id = POHMELFS_ROOT_CAPABILITIES;
-	cmd->size = 0;
-	cmd->start = 0;
-	cmd->ext = 0;
-	cmd->csize = 0;
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, 0);
-
-	err = netfs_trans_finish(t, psb);
-	if (err)
-		goto err_out_exit;
-
-	psb->flags = ~0;
-	err = wait_event_interruptible_timeout(psb->wait,
-			(psb->flags != ~0),
-			psb->wait_on_page_timeout);
-	if (!err)
-		err = -ETIMEDOUT;
-	else if (err > 0)
-		err = -psb->flags;
-
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	return err;
-}
-
-static int pohmelfs_show_stats(struct seq_file *m, struct dentry *root)
-{
-	struct netfs_state *st;
-	struct pohmelfs_ctl *ctl;
-	struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb);
-	struct pohmelfs_config *c;
-
-	mutex_lock(&psb->state_lock);
-
-	seq_printf(m, "\nidx addr(:port) socket_type protocol active priority permissions\n");
-
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-		ctl = &st->ctl;
-
-		seq_printf(m, "%u ", ctl->idx);
-		if (ctl->addr.sa_family == AF_INET) {
-			struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr;
-			seq_printf(m, "%pI4:%u", &sin->sin_addr.s_addr, ntohs(sin->sin_port));
-		} else if (ctl->addr.sa_family == AF_INET6) {
-			struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr;
-			seq_printf(m, "%pi6:%u", &sin->sin6_addr, ntohs(sin->sin6_port));
-		} else {
-			unsigned int i;
-			for (i = 0; i < ctl->addrlen; ++i)
-				seq_printf(m, "%02x.", ctl->addr.addr[i]);
-		}
-
-		seq_printf(m, " %u %u %d %u %x\n",
-				ctl->type, ctl->proto,
-				st->socket != NULL,
-				ctl->prio, ctl->perm);
-	}
-	mutex_unlock(&psb->state_lock);
-
-	return 0;
-}
-
-static const struct super_operations pohmelfs_sb_ops = {
-	.alloc_inode	= pohmelfs_alloc_inode,
-	.destroy_inode	= pohmelfs_destroy_inode,
-	.drop_inode	= pohmelfs_drop_inode,
-	.write_inode	= pohmelfs_write_inode,
-	.put_super	= pohmelfs_put_super,
-	.remount_fs	= pohmelfs_remount,
-	.statfs		= pohmelfs_statfs,
-	.show_options	= pohmelfs_show_options,
-	.show_stats	= pohmelfs_show_stats,
-};
-
-/*
- * Allocate private superblock and create root dir.
- */
-static int pohmelfs_fill_super(struct super_block *sb, void *data, int silent)
-{
-	struct pohmelfs_sb *psb;
-	int err = -ENOMEM;
-	struct inode *root;
-	struct pohmelfs_inode *npi;
-	struct qstr str;
-
-	psb = kzalloc(sizeof(struct pohmelfs_sb), GFP_KERNEL);
-	if (!psb)
-		goto err_out_exit;
-
-	err = bdi_init(&psb->bdi);
-	if (err)
-		goto err_out_free_sb;
-
-	err = bdi_register(&psb->bdi, NULL, "pfs-%d", atomic_inc_return(&psb_bdi_num));
-	if (err) {
-		bdi_destroy(&psb->bdi);
-		goto err_out_free_sb;
-	}
-
-	sb->s_fs_info = psb;
-	sb->s_op = &pohmelfs_sb_ops;
-	sb->s_magic = POHMELFS_MAGIC_NUM;
-	sb->s_maxbytes = MAX_LFS_FILESIZE;
-	sb->s_blocksize = PAGE_SIZE;
-	sb->s_bdi = &psb->bdi;
-
-	psb->sb = sb;
-
-	psb->ino = 2;
-	psb->idx = 0;
-	psb->active_state = NULL;
-	psb->trans_retries = 5;
-	psb->trans_data_size = PAGE_SIZE;
-	psb->drop_scan_timeout = msecs_to_jiffies(1000);
-	psb->trans_scan_timeout = msecs_to_jiffies(5000);
-	psb->wait_on_page_timeout = msecs_to_jiffies(5000);
-	init_waitqueue_head(&psb->wait);
-
-	spin_lock_init(&psb->ino_lock);
-
-	INIT_LIST_HEAD(&psb->drop_list);
-
-	mutex_init(&psb->mcache_lock);
-	psb->mcache_root = RB_ROOT;
-	psb->mcache_timeout = msecs_to_jiffies(5000);
-	atomic_long_set(&psb->mcache_gen, 0);
-
-	psb->trans_max_pages = 100;
-
-	psb->crypto_align_size = 16;
-	psb->crypto_attached_size = 0;
-	psb->hash_strlen = 0;
-	psb->cipher_strlen = 0;
-	psb->perform_crypto = 0;
-	psb->crypto_thread_num = 2;
-	psb->crypto_fail_unsupported = 0;
-	mutex_init(&psb->crypto_thread_lock);
-	INIT_LIST_HEAD(&psb->crypto_ready_list);
-	INIT_LIST_HEAD(&psb->crypto_active_list);
-
-	atomic_set(&psb->trans_gen, 1);
-	atomic_long_set(&psb->total_inodes, 0);
-
-	mutex_init(&psb->state_lock);
-	INIT_LIST_HEAD(&psb->state_list);
-
-	err = pohmelfs_parse_options((char *) data, psb, 0);
-	if (err)
-		goto err_out_free_bdi;
-
-	err = pohmelfs_copy_crypto(psb);
-	if (err)
-		goto err_out_free_bdi;
-
-	err = pohmelfs_state_init(psb);
-	if (err)
-		goto err_out_free_strings;
-
-	err = pohmelfs_crypto_init(psb);
-	if (err)
-		goto err_out_state_exit;
-
-	err = pohmelfs_root_handshake(psb);
-	if (err)
-		goto err_out_crypto_exit;
-
-	str.name = "/";
-	str.hash = jhash("/", 1, 0);
-	str.len = 1;
-
-	npi = pohmelfs_create_entry_local(psb, NULL, &str, 0, 0755|S_IFDIR);
-	if (IS_ERR(npi)) {
-		err = PTR_ERR(npi);
-		goto err_out_crypto_exit;
-	}
-	set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state);
-	clear_bit(NETFS_INODE_OWNED, &npi->state);
-
-	root = &npi->vfs_inode;
-
-	sb->s_root = d_alloc_root(root);
-	if (!sb->s_root)
-		goto err_out_put_root;
-
-	INIT_DELAYED_WORK(&psb->drop_dwork, pohmelfs_drop_scan);
-	schedule_delayed_work(&psb->drop_dwork, psb->drop_scan_timeout);
-
-	INIT_DELAYED_WORK(&psb->dwork, pohmelfs_trans_scan);
-	schedule_delayed_work(&psb->dwork, psb->trans_scan_timeout);
-
-	return 0;
-
-err_out_put_root:
-	iput(root);
-err_out_crypto_exit:
-	pohmelfs_crypto_exit(psb);
-err_out_state_exit:
-	pohmelfs_state_exit(psb);
-err_out_free_strings:
-	kfree(psb->cipher_string);
-	kfree(psb->hash_string);
-err_out_free_bdi:
-	bdi_destroy(&psb->bdi);
-err_out_free_sb:
-	kfree(psb);
-err_out_exit:
-
-	dprintk("%s: err: %d.\n", __func__, err);
-	return err;
-}
-
-/*
- * Some VFS magic here...
- */
-static struct dentry *pohmelfs_mount(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *data)
-{
-	return mount_nodev(fs_type, flags, data, pohmelfs_fill_super);
-}
-
-/*
- * We need this to sync all inodes earlier, since when writeback
- * is invoked from the umount/mntput path dcache is already shrunk,
- * see generic_shutdown_super(), and no inodes can access the path.
- */
-static void pohmelfs_kill_super(struct super_block *sb)
-{
-	sync_inodes_sb(sb);
-	kill_anon_super(sb);
-}
-
-static struct file_system_type pohmel_fs_type = {
-	.owner		= THIS_MODULE,
-	.name		= "pohmel",
-	.mount		= pohmelfs_mount,
-	.kill_sb 	= pohmelfs_kill_super,
-};
-
-/*
- * Cache and module initializations and freeing routings.
- */
-static void pohmelfs_init_once(void *data)
-{
-	struct pohmelfs_inode *pi = data;
-
-	inode_init_once(&pi->vfs_inode);
-}
-
-static int __init pohmelfs_init_inodecache(void)
-{
-	pohmelfs_inode_cache = kmem_cache_create("pohmelfs_inode_cache",
-				sizeof(struct pohmelfs_inode),
-				0, (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD),
-				pohmelfs_init_once);
-	if (!pohmelfs_inode_cache)
-		return -ENOMEM;
-
-	return 0;
-}
-
-static void pohmelfs_destroy_inodecache(void)
-{
-	kmem_cache_destroy(pohmelfs_inode_cache);
-}
-
-static int __init init_pohmel_fs(void)
-{
-	int err;
-
-	err = pohmelfs_config_init();
-	if (err)
-		goto err_out_exit;
-
-	err = pohmelfs_init_inodecache();
-	if (err)
-		goto err_out_config_exit;
-
-	err = pohmelfs_mcache_init();
-	if (err)
-		goto err_out_destroy;
-
-	err = netfs_trans_init();
-	if (err)
-		goto err_out_mcache_exit;
-
-	err = register_filesystem(&pohmel_fs_type);
-	if (err)
-		goto err_out_trans;
-
-	return 0;
-
-err_out_trans:
-	netfs_trans_exit();
-err_out_mcache_exit:
-	pohmelfs_mcache_exit();
-err_out_destroy:
-	pohmelfs_destroy_inodecache();
-err_out_config_exit:
-	pohmelfs_config_exit();
-err_out_exit:
-	return err;
-}
-
-static void __exit exit_pohmel_fs(void)
-{
-	unregister_filesystem(&pohmel_fs_type);
-	pohmelfs_destroy_inodecache();
-	pohmelfs_mcache_exit();
-	pohmelfs_config_exit();
-	netfs_trans_exit();
-}
-
-module_init(init_pohmel_fs);
-module_exit(exit_pohmel_fs);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
-MODULE_DESCRIPTION("Pohmel filesystem");
diff --git a/drivers/staging/pohmelfs/lock.c b/drivers/staging/pohmelfs/lock.c
deleted file mode 100644
index 6710114cd425..000000000000
--- a/drivers/staging/pohmelfs/lock.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/backing-dev.h>
-#include <linux/fs.h>
-#include <linux/fsnotify.h>
-#include <linux/mempool.h>
-
-#include "netfs.h"
-
-static int pohmelfs_send_lock_trans(struct pohmelfs_inode *pi,
-		u64 id, u64 start, u32 size, int type)
-{
-	struct inode *inode = &pi->vfs_inode;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	int path_len, err;
-	void *data;
-	struct netfs_lock *l;
-	int isize = (type & POHMELFS_LOCK_GRAB) ? 0 : sizeof(struct netfs_inode_info);
-
-	err = pohmelfs_path_length(pi);
-	if (err < 0)
-		goto err_out_exit;
-
-	path_len = err;
-
-	err = -ENOMEM;
-	t = netfs_trans_alloc(psb, path_len + sizeof(struct netfs_lock) + isize,
-			NETFS_TRANS_SINGLE_DST, 0);
-	if (!t)
-		goto err_out_exit;
-
-	cmd = netfs_trans_current(t);
-	data = cmd + 1;
-
-	err = pohmelfs_construct_path_string(pi, data, path_len);
-	if (err < 0)
-		goto err_out_free;
-	path_len = err;
-
-	l = data + path_len;
-
-	l->start = start;
-	l->size = size;
-	l->type = type;
-	l->ino = pi->ino;
-
-	cmd->cmd = NETFS_LOCK;
-	cmd->start = 0;
-	cmd->id = id;
-	cmd->size = sizeof(struct netfs_lock) + path_len + isize;
-	cmd->ext = path_len;
-	cmd->csize = 0;
-
-	netfs_convert_cmd(cmd);
-	netfs_convert_lock(l);
-
-	if (isize) {
-		struct netfs_inode_info *info = (struct netfs_inode_info *)(l + 1);
-
-		info->mode = inode->i_mode;
-		info->nlink = inode->i_nlink;
-		info->uid = inode->i_uid;
-		info->gid = inode->i_gid;
-		info->blocks = inode->i_blocks;
-		info->rdev = inode->i_rdev;
-		info->size = inode->i_size;
-		info->version = inode->i_version;
-
-		netfs_convert_inode_info(info);
-	}
-
-	netfs_trans_update(cmd, t, path_len + sizeof(struct netfs_lock) + isize);
-
-	return netfs_trans_finish(t, psb);
-
-err_out_free:
-	netfs_trans_free(t);
-err_out_exit:
-	printk("%s: err: %d.\n", __func__, err);
-	return err;
-}
-
-int pohmelfs_data_lock(struct pohmelfs_inode *pi, u64 start, u32 size, int type)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-	struct pohmelfs_mcache *m;
-	int err = -ENOMEM;
-	struct iattr iattr;
-	struct inode *inode = &pi->vfs_inode;
-
-	dprintk("%s: %p: ino: %llu, start: %llu, size: %u, "
-			"type: %d, locked as: %d, owned: %d.\n",
-			__func__, &pi->vfs_inode, pi->ino,
-			start, size, type, pi->lock_type,
-			!!test_bit(NETFS_INODE_OWNED, &pi->state));
-
-	if (!pohmelfs_need_lock(pi, type))
-		return 0;
-
-	m = pohmelfs_mcache_alloc(psb, start, size, NULL);
-	if (IS_ERR(m))
-		return PTR_ERR(m);
-
-	err = pohmelfs_send_lock_trans(pi, m->gen, start, size,
-			type | POHMELFS_LOCK_GRAB);
-	if (err)
-		goto err_out_put;
-
-	err = wait_for_completion_timeout(&m->complete, psb->mcache_timeout);
-	if (err)
-		err = m->err;
-	else
-		err = -ETIMEDOUT;
-
-	if (err) {
-		printk("%s: %p: ino: %llu, mgen: %llu, start: %llu, size: %u, err: %d.\n",
-			__func__, &pi->vfs_inode, pi->ino, m->gen, start, size, err);
-	}
-
-	if (err && (err != -ENOENT))
-		goto err_out_put;
-
-	if (!err) {
-		netfs_convert_inode_info(&m->info);
-
-		iattr.ia_valid = ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_SIZE | ATTR_ATIME;
-		iattr.ia_mode = m->info.mode;
-		iattr.ia_uid = m->info.uid;
-		iattr.ia_gid = m->info.gid;
-		iattr.ia_size = m->info.size;
-		iattr.ia_atime = CURRENT_TIME;
-
-		dprintk("%s: %p: ino: %llu, mgen: %llu, start: %llu, isize: %llu -> %llu.\n",
-			__func__, &pi->vfs_inode, pi->ino, m->gen, start, inode->i_size, m->info.size);
-
-		err = pohmelfs_setattr_raw(inode, &iattr);
-		if (!err) {
-			struct dentry *dentry = d_find_alias(inode);
-			if (dentry) {
-				fsnotify_change(dentry, iattr.ia_valid);
-				dput(dentry);
-			}
-		}
-	}
-
-	pi->lock_type = type;
-	set_bit(NETFS_INODE_OWNED, &pi->state);
-
-	pohmelfs_mcache_put(psb, m);
-
-	return 0;
-
-err_out_put:
-	pohmelfs_mcache_put(psb, m);
-	return err;
-}
-
-int pohmelfs_data_unlock(struct pohmelfs_inode *pi, u64 start, u32 size, int type)
-{
-	dprintk("%s: %p: ino: %llu, start: %llu, size: %u, type: %d.\n",
-			__func__, &pi->vfs_inode, pi->ino, start, size, type);
-	pi->lock_type = 0;
-	clear_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state);
-	clear_bit(NETFS_INODE_OWNED, &pi->state);
-	return pohmelfs_send_lock_trans(pi, pi->ino, start, size, type);
-}
diff --git a/drivers/staging/pohmelfs/mcache.c b/drivers/staging/pohmelfs/mcache.c
deleted file mode 100644
index e22665cdd16c..000000000000
--- a/drivers/staging/pohmelfs/mcache.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/mempool.h>
-
-#include "netfs.h"
-
-static struct kmem_cache *pohmelfs_mcache_cache;
-static mempool_t *pohmelfs_mcache_pool;
-
-static inline int pohmelfs_mcache_cmp(u64 gen, u64 new)
-{
-	if (gen < new)
-		return 1;
-	if (gen > new)
-		return -1;
-	return 0;
-}
-
-struct pohmelfs_mcache *pohmelfs_mcache_search(struct pohmelfs_sb *psb, u64 gen)
-{
-	struct rb_root *root = &psb->mcache_root;
-	struct rb_node *n = root->rb_node;
-	struct pohmelfs_mcache *tmp, *ret = NULL;
-	int cmp;
-
-	while (n) {
-		tmp = rb_entry(n, struct pohmelfs_mcache, mcache_entry);
-
-		cmp = pohmelfs_mcache_cmp(tmp->gen, gen);
-		if (cmp < 0)
-			n = n->rb_left;
-		else if (cmp > 0)
-			n = n->rb_right;
-		else {
-			ret = tmp;
-			pohmelfs_mcache_get(ret);
-			break;
-		}
-	}
-
-	return ret;
-}
-
-static int pohmelfs_mcache_insert(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-	struct rb_root *root = &psb->mcache_root;
-	struct rb_node **n = &root->rb_node, *parent = NULL;
-	struct pohmelfs_mcache *ret = NULL, *tmp;
-	int cmp;
-
-	while (*n) {
-		parent = *n;
-
-		tmp = rb_entry(parent, struct pohmelfs_mcache, mcache_entry);
-
-		cmp = pohmelfs_mcache_cmp(tmp->gen, m->gen);
-		if (cmp < 0)
-			n = &parent->rb_left;
-		else if (cmp > 0)
-			n = &parent->rb_right;
-		else {
-			ret = tmp;
-			break;
-		}
-	}
-
-	if (ret)
-		return -EEXIST;
-
-	rb_link_node(&m->mcache_entry, parent, n);
-	rb_insert_color(&m->mcache_entry, root);
-
-	return 0;
-}
-
-static int pohmelfs_mcache_remove(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-	if (m && m->mcache_entry.rb_parent_color) {
-		rb_erase(&m->mcache_entry, &psb->mcache_root);
-		m->mcache_entry.rb_parent_color = 0;
-		return 1;
-	}
-	return 0;
-}
-
-void pohmelfs_mcache_remove_locked(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-	mutex_lock(&psb->mcache_lock);
-	pohmelfs_mcache_remove(psb, m);
-	mutex_unlock(&psb->mcache_lock);
-}
-
-struct pohmelfs_mcache *pohmelfs_mcache_alloc(struct pohmelfs_sb *psb, u64 start,
-		unsigned int size, void *data)
-{
-	struct pohmelfs_mcache *m;
-	int err = -ENOMEM;
-
-	m = mempool_alloc(pohmelfs_mcache_pool, GFP_KERNEL);
-	if (!m)
-		goto err_out_exit;
-
-	init_completion(&m->complete);
-	m->err = 0;
-	atomic_set(&m->refcnt, 1);
-	m->data = data;
-	m->start = start;
-	m->size = size;
-	m->gen = atomic_long_inc_return(&psb->mcache_gen);
-
-	mutex_lock(&psb->mcache_lock);
-	err = pohmelfs_mcache_insert(psb, m);
-	mutex_unlock(&psb->mcache_lock);
-	if (err)
-		goto err_out_free;
-
-	return m;
-
-err_out_free:
-	mempool_free(m, pohmelfs_mcache_pool);
-err_out_exit:
-	return ERR_PTR(err);
-}
-
-void pohmelfs_mcache_free(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-	pohmelfs_mcache_remove_locked(psb, m);
-
-	mempool_free(m, pohmelfs_mcache_pool);
-}
-
-int __init pohmelfs_mcache_init(void)
-{
-	pohmelfs_mcache_cache = kmem_cache_create("pohmelfs_mcache_cache",
-				sizeof(struct pohmelfs_mcache),
-				0, (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD), NULL);
-	if (!pohmelfs_mcache_cache)
-		goto err_out_exit;
-
-	pohmelfs_mcache_pool = mempool_create_slab_pool(256, pohmelfs_mcache_cache);
-	if (!pohmelfs_mcache_pool)
-		goto err_out_free;
-
-	return 0;
-
-err_out_free:
-	kmem_cache_destroy(pohmelfs_mcache_cache);
-err_out_exit:
-	return -ENOMEM;
-}
-
-void pohmelfs_mcache_exit(void)
-{
-	mempool_destroy(pohmelfs_mcache_pool);
-	kmem_cache_destroy(pohmelfs_mcache_cache);
-}
diff --git a/drivers/staging/pohmelfs/net.c b/drivers/staging/pohmelfs/net.c
deleted file mode 100644
index b2e918622088..000000000000
--- a/drivers/staging/pohmelfs/net.c
+++ /dev/null
@@ -1,1209 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/fsnotify.h>
-#include <linux/jhash.h>
-#include <linux/in.h>
-#include <linux/in6.h>
-#include <linux/kthread.h>
-#include <linux/pagemap.h>
-#include <linux/poll.h>
-#include <linux/slab.h>
-#include <linux/swap.h>
-#include <linux/syscalls.h>
-#include <linux/vmalloc.h>
-
-#include "netfs.h"
-
-/*
- * Async machinery lives here.
- * All commands being sent to server do _not_ require sync reply,
- * instead, if it is really needed, like readdir or readpage, caller
- * sleeps waiting for data, which will be placed into provided buffer
- * and caller will be awakened.
- *
- * Every command response can come without some listener. For example
- * readdir response will add new objects into cache without appropriate
- * request from userspace. This is used in cache coherency.
- *
- * If object is not found for given data, it is discarded.
- *
- * All requests are received by dedicated kernel thread.
- */
-
-/*
- * Basic network sending/receiving functions.
- * Blocked mode is used.
- */
-static int netfs_data_recv(struct netfs_state *st, void *buf, u64 size)
-{
-	struct msghdr msg;
-	struct kvec iov;
-	int err;
-
-	BUG_ON(!size);
-
-	iov.iov_base = buf;
-	iov.iov_len = size;
-
-	msg.msg_iov = (struct iovec *)&iov;
-	msg.msg_iovlen = 1;
-	msg.msg_name = NULL;
-	msg.msg_namelen = 0;
-	msg.msg_control = NULL;
-	msg.msg_controllen = 0;
-	msg.msg_flags = MSG_DONTWAIT;
-
-	err = kernel_recvmsg(st->socket, &msg, &iov, 1, iov.iov_len,
-			msg.msg_flags);
-	if (err <= 0) {
-		printk("%s: failed to recv data: size: %llu, err: %d.\n", __func__, size, err);
-		if (err == 0)
-			err = -ECONNRESET;
-	}
-
-	return err;
-}
-
-static int pohmelfs_data_recv(struct netfs_state *st, void *data, unsigned int size)
-{
-	unsigned int revents = 0;
-	unsigned int err_mask = POLLERR | POLLHUP | POLLRDHUP;
-	unsigned int mask = err_mask | POLLIN;
-	int err = 0;
-
-	while (size && !err) {
-		revents = netfs_state_poll(st);
-
-		if (!(revents & mask)) {
-			DEFINE_WAIT(wait);
-
-			for (;;) {
-				prepare_to_wait(&st->thread_wait, &wait, TASK_INTERRUPTIBLE);
-				if (kthread_should_stop())
-					break;
-
-				revents = netfs_state_poll(st);
-
-				if (revents & mask)
-					break;
-
-				if (signal_pending(current))
-					break;
-
-				schedule();
-				continue;
-			}
-			finish_wait(&st->thread_wait, &wait);
-		}
-
-		err = 0;
-		netfs_state_lock(st);
-		if (st->socket && (st->read_socket == st->socket) && (revents & POLLIN)) {
-			err = netfs_data_recv(st, data, size);
-			if (err > 0) {
-				data += err;
-				size -= err;
-				err = 0;
-			} else if (err == 0)
-				err = -ECONNRESET;
-		}
-
-		if (revents & err_mask) {
-			printk("%s: revents: %x, socket: %p, size: %u, err: %d.\n",
-					__func__, revents, st->socket, size, err);
-			err = -ECONNRESET;
-		}
-		netfs_state_unlock(st);
-
-		if (err < 0) {
-			if (netfs_state_trylock_send(st)) {
-				netfs_state_exit(st);
-				err = netfs_state_init(st);
-				if (!err)
-					err = -EAGAIN;
-				netfs_state_unlock_send(st);
-			} else {
-				st->need_reset = 1;
-			}
-		}
-
-		if (kthread_should_stop())
-			err = -ENODEV;
-
-		if (err)
-			printk("%s: socket: %p, read_socket: %p, revents: %x, rev_error: %d, "
-					"should_stop: %d, size: %u, err: %d.\n",
-				__func__, st->socket, st->read_socket,
-				revents, revents & err_mask, kthread_should_stop(), size, err);
-	}
-
-	return err;
-}
-
-int pohmelfs_data_recv_and_check(struct netfs_state *st, void *data, unsigned int size)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	int err;
-
-	err = pohmelfs_data_recv(st, data, size);
-	if (err)
-		return err;
-
-	return pohmelfs_crypto_process_input_data(&st->eng, cmd->iv, data, NULL, size);
-}
-
-/*
- * Polling machinery.
- */
-
-struct netfs_poll_helper {
-	poll_table 		pt;
-	struct netfs_state	*st;
-};
-
-static int netfs_queue_wake(wait_queue_t *wait, unsigned mode, int sync, void *key)
-{
-	struct netfs_state *st = container_of(wait, struct netfs_state, wait);
-
-	wake_up(&st->thread_wait);
-	return 1;
-}
-
-static void netfs_queue_func(struct file *file, wait_queue_head_t *whead,
-				 poll_table *pt)
-{
-	struct netfs_state *st = container_of(pt, struct netfs_poll_helper, pt)->st;
-
-	st->whead = whead;
-	init_waitqueue_func_entry(&st->wait, netfs_queue_wake);
-	add_wait_queue(whead, &st->wait);
-}
-
-static void netfs_poll_exit(struct netfs_state *st)
-{
-	if (st->whead) {
-		remove_wait_queue(st->whead, &st->wait);
-		st->whead = NULL;
-	}
-}
-
-static int netfs_poll_init(struct netfs_state *st)
-{
-	struct netfs_poll_helper ph;
-
-	ph.st = st;
-	init_poll_funcptr(&ph.pt, &netfs_queue_func);
-
-	st->socket->ops->poll(NULL, st->socket, &ph.pt);
-	return 0;
-}
-
-/*
- * Get response for readpage command. We search inode and page in its mapping
- * and copy data into. If it was async request, then we queue page into shared
- * data and wakeup listener, who will copy it to userspace.
- *
- * There is a work in progress of allowing to call copy_to_user() directly from
- * async receiving kernel thread.
- */
-static int pohmelfs_read_page_response(struct netfs_state *st)
-{
-	struct pohmelfs_sb *psb = st->psb;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct inode *inode;
-	struct page *page;
-	int err = 0;
-
-	if (cmd->size > PAGE_CACHE_SIZE) {
-		err = -EINVAL;
-		goto err_out_exit;
-	}
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id);
-		err = -ENOENT;
-		goto err_out_exit;
-	}
-
-	page = find_get_page(inode->i_mapping, cmd->start >> PAGE_CACHE_SHIFT);
-	if (!page || !PageLocked(page)) {
-		printk("%s: failed to find/lock page: page: %p, id: %llu, start: %llu, index: %llu.\n",
-				__func__, page, cmd->id, cmd->start, cmd->start >> PAGE_CACHE_SHIFT);
-
-		while (cmd->size) {
-			unsigned int sz = min(cmd->size, st->size);
-
-			err = pohmelfs_data_recv(st, st->data, sz);
-			if (err)
-				break;
-
-			cmd->size -= sz;
-		}
-
-		err = -ENODEV;
-		if (page)
-			goto err_out_page_put;
-		goto err_out_put;
-	}
-
-	if (cmd->size) {
-		void *addr;
-
-		addr = kmap(page);
-		err = pohmelfs_data_recv(st, addr, cmd->size);
-		kunmap(page);
-
-		if (err)
-			goto err_out_page_unlock;
-	}
-
-	dprintk("%s: page: %p, start: %llu, size: %u, locked: %d.\n",
-		__func__, page, cmd->start, cmd->size, PageLocked(page));
-
-	SetPageChecked(page);
-	if ((psb->hash_string || psb->cipher_string) && psb->perform_crypto && cmd->size) {
-		err = pohmelfs_crypto_process_input_page(&st->eng, page, cmd->size, cmd->iv);
-		if (err < 0)
-			goto err_out_page_unlock;
-	} else {
-		SetPageUptodate(page);
-		unlock_page(page);
-		page_cache_release(page);
-	}
-
-	pohmelfs_put_inode(POHMELFS_I(inode));
-	wake_up(&st->psb->wait);
-
-	return 0;
-
-err_out_page_unlock:
-	SetPageError(page);
-	unlock_page(page);
-err_out_page_put:
-	page_cache_release(page);
-err_out_put:
-	pohmelfs_put_inode(POHMELFS_I(inode));
-err_out_exit:
-	wake_up(&st->psb->wait);
-	return err;
-}
-
-static int pohmelfs_check_name(struct pohmelfs_inode *parent, struct qstr *str,
-		struct netfs_inode_info *info)
-{
-	struct inode *inode;
-	struct pohmelfs_name *n;
-	int err = 0;
-	u64 ino = 0;
-
-	mutex_lock(&parent->offset_lock);
-	n = pohmelfs_search_hash(parent, str->hash);
-	if (n)
-		ino = n->ino;
-	mutex_unlock(&parent->offset_lock);
-
-	if (!ino)
-		goto out;
-
-	inode = ilookup(parent->vfs_inode.i_sb, ino);
-	if (!inode)
-		goto out;
-
-	dprintk("%s: parent: %llu, inode: %llu.\n", __func__, parent->ino, ino);
-
-	pohmelfs_fill_inode(inode, info);
-	pohmelfs_put_inode(POHMELFS_I(inode));
-	err = -EEXIST;
-out:
-	return err;
-}
-
-/*
- * Readdir response from server. If special field is set, we wakeup
- * listener (readdir() call), which will copy data to userspace.
- */
-static int pohmelfs_readdir_response(struct netfs_state *st)
-{
-	struct inode *inode;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct netfs_inode_info *info;
-	struct pohmelfs_inode *parent = NULL, *npi;
-	int err = 0, last = cmd->ext;
-	struct qstr str;
-
-	if (cmd->size > st->size)
-		return -EINVAL;
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id);
-		return -ENOENT;
-	}
-	parent = POHMELFS_I(inode);
-
-	if (!cmd->size && cmd->start) {
-		err = -cmd->start;
-		goto out;
-	}
-
-	if (cmd->size) {
-		char *name;
-
-		err = pohmelfs_data_recv_and_check(st, st->data, cmd->size);
-		if (err)
-			goto err_out_put;
-
-		info = (struct netfs_inode_info *)(st->data);
-
-		name = (char *)(info + 1);
-		str.len = cmd->size - sizeof(struct netfs_inode_info) - 1 - cmd->cpad;
-		name[str.len] = 0;
-		str.name = name;
-		str.hash = jhash(str.name, str.len, 0);
-
-		netfs_convert_inode_info(info);
-
-		if (parent) {
-			err = pohmelfs_check_name(parent, &str, info);
-			if (err) {
-				if (err == -EEXIST)
-					err = 0;
-				goto out;
-			}
-		}
-
-		info->ino = cmd->start;
-		if (!info->ino)
-			info->ino = pohmelfs_new_ino(st->psb);
-
-		dprintk("%s: parent: %llu, ino: %llu, name: '%s', hash: %x, len: %u, mode: %o.\n",
-				__func__, parent->ino, info->ino, str.name, str.hash, str.len,
-				info->mode);
-
-		npi = pohmelfs_new_inode(st->psb, parent, &str, info, 0);
-		if (IS_ERR(npi)) {
-			err = PTR_ERR(npi);
-
-			if (err != -EEXIST)
-				goto err_out_put;
-		} else {
-			struct dentry *dentry, *alias, *pd;
-
-			set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state);
-			clear_bit(NETFS_INODE_OWNED, &npi->state);
-
-			pd = d_find_alias(&parent->vfs_inode);
-			if (pd) {
-				str.hash = full_name_hash(str.name, str.len);
-				dentry = d_alloc(pd, &str);
-				if (dentry) {
-					alias = d_materialise_unique(dentry, &npi->vfs_inode);
-					if (alias)
-						dput(alias);
-				}
-
-				dput(dentry);
-				dput(pd);
-			}
-		}
-	}
-out:
-	if (last) {
-		set_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state);
-		set_bit(NETFS_INODE_REMOTE_SYNCED, &parent->state);
-		wake_up(&st->psb->wait);
-	}
-	pohmelfs_put_inode(parent);
-
-	return err;
-
-err_out_put:
-	clear_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state);
-	printk("%s: parent: %llu, ino: %llu, cmd_id: %llu.\n", __func__, parent->ino, cmd->start, cmd->id);
-	pohmelfs_put_inode(parent);
-	wake_up(&st->psb->wait);
-	return err;
-}
-
-/*
- * Lookup command response.
- * It searches for inode to be looked at (if it exists) and substitutes
- * its inode information (size, permission, mode and so on), if inode does
- * not exist, new one will be created and inserted into caches.
- */
-static int pohmelfs_lookup_response(struct netfs_state *st)
-{
-	struct inode *inode = NULL;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct netfs_inode_info *info;
-	struct pohmelfs_inode *parent = NULL, *npi;
-	int err = -EINVAL;
-	char *name;
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: lookup response: id: %llu, start: %llu, size: %u.\n",
-				__func__, cmd->id, cmd->start, cmd->size);
-		err = -ENOENT;
-		goto err_out_exit;
-	}
-	parent = POHMELFS_I(inode);
-
-	if (!cmd->size) {
-		err = -cmd->start;
-		goto err_out_put;
-	}
-
-	if (cmd->size < sizeof(struct netfs_inode_info)) {
-		printk("%s: broken lookup response: id: %llu, start: %llu, size: %u.\n",
-				__func__, cmd->id, cmd->start, cmd->size);
-		err = -EINVAL;
-		goto err_out_put;
-	}
-
-	err = pohmelfs_data_recv_and_check(st, st->data, cmd->size);
-	if (err)
-		goto err_out_put;
-
-	info = (struct netfs_inode_info *)(st->data);
-	name = (char *)(info + 1);
-
-	netfs_convert_inode_info(info);
-
-	info->ino = cmd->start;
-	if (!info->ino)
-		info->ino = pohmelfs_new_ino(st->psb);
-
-	dprintk("%s: parent: %llu, ino: %llu, name: '%s', start: %llu.\n",
-			__func__, parent->ino, info->ino, name, cmd->start);
-
-	if (cmd->start)
-		npi = pohmelfs_new_inode(st->psb, parent, NULL, info, 0);
-	else {
-		struct qstr str;
-
-		str.name = name;
-		str.len = cmd->size - sizeof(struct netfs_inode_info) - 1 - cmd->cpad;
-		str.hash = jhash(name, str.len, 0);
-
-		npi = pohmelfs_new_inode(st->psb, parent, &str, info, 0);
-	}
-	if (IS_ERR(npi)) {
-		err = PTR_ERR(npi);
-
-		if (err != -EEXIST)
-			goto err_out_put;
-	} else {
-		set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state);
-		clear_bit(NETFS_INODE_OWNED, &npi->state);
-	}
-
-	clear_bit(NETFS_COMMAND_PENDING, &parent->state);
-	pohmelfs_put_inode(parent);
-
-	wake_up(&st->psb->wait);
-
-	return 0;
-
-err_out_put:
-	pohmelfs_put_inode(parent);
-err_out_exit:
-	clear_bit(NETFS_COMMAND_PENDING, &parent->state);
-	wake_up(&st->psb->wait);
-	printk("%s: inode: %p, id: %llu, start: %llu, size: %u, err: %d.\n",
-			__func__, inode, cmd->id, cmd->start, cmd->size, err);
-	return err;
-}
-
-/*
- * Create response, just marks local inode as 'created', so that writeback
- * for any of its children (or own) would not try to sync it again.
- */
-static int pohmelfs_create_response(struct netfs_state *st)
-{
-	struct inode *inode;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct pohmelfs_inode *pi;
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: failed to find inode: id: %llu, start: %llu.\n",
-				__func__, cmd->id, cmd->start);
-		goto err_out_exit;
-	}
-
-	pi = POHMELFS_I(inode);
-
-	/*
-	 * To lock or not to lock?
-	 * We actually do not care if it races...
-	 */
-	if (cmd->start)
-		make_bad_inode(inode);
-	set_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-
-	pohmelfs_put_inode(pi);
-
-	wake_up(&st->psb->wait);
-	return 0;
-
-err_out_exit:
-	wake_up(&st->psb->wait);
-	return -ENOENT;
-}
-
-/*
- * Object remove response. Just says that remove request has been received.
- * Used in cache coherency protocol.
- */
-static int pohmelfs_remove_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	int err;
-
-	err = pohmelfs_data_recv_and_check(st, st->data, cmd->size);
-	if (err)
-		return err;
-
-	dprintk("%s: parent: %llu, path: '%s'.\n", __func__, cmd->id, (char *)st->data);
-
-	return 0;
-}
-
-/*
- * Transaction reply processing.
- *
- * Find transaction based on its generation number, bump its reference counter,
- * so that none could free it under us, drop from the trees and lists and
- * drop reference counter. When it hits zero (when all destinations replied
- * and all timeout handled by async scanning code), completion will be called
- * and transaction will be freed.
- */
-static int pohmelfs_transaction_response(struct netfs_state *st)
-{
-	struct netfs_trans_dst *dst;
-	struct netfs_trans *t = NULL;
-	struct netfs_cmd *cmd = &st->cmd;
-	short err = (signed)cmd->ext;
-
-	mutex_lock(&st->trans_lock);
-	dst = netfs_trans_search(st, cmd->start);
-	if (dst) {
-		netfs_trans_remove_nolock(dst, st);
-		t = dst->trans;
-	}
-	mutex_unlock(&st->trans_lock);
-
-	if (!t) {
-		printk("%s: failed to find transaction: start: %llu: id: %llu, size: %u, ext: %u.\n",
-				__func__, cmd->start, cmd->id, cmd->size, cmd->ext);
-		err = -EINVAL;
-		goto out;
-	}
-
-	t->result = err;
-	netfs_trans_drop_dst_nostate(dst);
-
-out:
-	wake_up(&st->psb->wait);
-	return err;
-}
-
-/*
- * Inode metadata cache coherency message.
- */
-static int pohmelfs_page_cache_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	struct inode *inode;
-
-	dprintk("%s: st: %p, id: %llu, start: %llu, size: %u.\n", __func__, st, cmd->id, cmd->start, cmd->size);
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id);
-		return -ENOENT;
-	}
-
-	set_bit(NETFS_INODE_NEED_FLUSH, &POHMELFS_I(inode)->state);
-	pohmelfs_put_inode(POHMELFS_I(inode));
-
-	return 0;
-}
-
-/*
- * Root capabilities response: export statistics
- * like used and available size, number of files and dirs,
- * permissions.
- */
-static int pohmelfs_root_cap_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	struct netfs_root_capabilities *cap;
-	struct pohmelfs_sb *psb = st->psb;
-
-	if (cmd->size != sizeof(struct netfs_root_capabilities)) {
-		psb->flags = EPROTO;
-		wake_up(&psb->wait);
-		return -EPROTO;
-	}
-
-	cap = st->data;
-
-	netfs_convert_root_capabilities(cap);
-
-	if (psb->total_size < cap->used + cap->avail)
-		psb->total_size = cap->used + cap->avail;
-	if (cap->avail)
-		psb->avail_size = cap->avail;
-	psb->state_flags = cap->flags;
-
-	if (psb->state_flags & POHMELFS_FLAGS_RO) {
-		psb->sb->s_flags |= MS_RDONLY;
-		printk(KERN_INFO "Mounting POHMELFS (%d) read-only.\n", psb->idx);
-	}
-
-	if (psb->state_flags & POHMELFS_FLAGS_XATTR)
-		printk(KERN_INFO "Mounting POHMELFS (%d) "
-			"with extended attributes support.\n", psb->idx);
-
-	if (atomic_long_read(&psb->total_inodes) <= 1)
-		atomic_long_set(&psb->total_inodes, cap->nr_files);
-
-	dprintk("%s: total: %llu, avail: %llu, flags: %llx, inodes: %llu.\n",
-		__func__, psb->total_size, psb->avail_size, psb->state_flags, cap->nr_files);
-
-	psb->flags = 0;
-	wake_up(&psb->wait);
-	return 0;
-}
-
-/*
- * Crypto capabilities of the server, where it says that
- * it supports or does not requested hash/cipher algorithms.
- */
-static int pohmelfs_crypto_cap_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	struct netfs_crypto_capabilities *cap;
-	struct pohmelfs_sb *psb = st->psb;
-	int err = 0;
-
-	if (cmd->size != sizeof(struct netfs_crypto_capabilities)) {
-		psb->flags = EPROTO;
-		wake_up(&psb->wait);
-		return -EPROTO;
-	}
-
-	cap = st->data;
-
-	dprintk("%s: cipher '%s': %s, hash: '%s': %s.\n",
-			__func__,
-			psb->cipher_string, (cap->cipher_strlen) ? "SUPPORTED" : "NOT SUPPORTED",
-			psb->hash_string, (cap->hash_strlen) ? "SUPPORTED" : "NOT SUPPORTED");
-
-	if (!cap->hash_strlen) {
-		if (psb->hash_strlen && psb->crypto_fail_unsupported)
-			err = -ENOTSUPP;
-		psb->hash_strlen = 0;
-		kfree(psb->hash_string);
-		psb->hash_string = NULL;
-	}
-
-	if (!cap->cipher_strlen) {
-		if (psb->cipher_strlen && psb->crypto_fail_unsupported)
-			err = -ENOTSUPP;
-		psb->cipher_strlen = 0;
-		kfree(psb->cipher_string);
-		psb->cipher_string = NULL;
-	}
-
-	return err;
-}
-
-/*
- * Capabilities handshake response.
- */
-static int pohmelfs_capabilities_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	int err = 0;
-
-	err = pohmelfs_data_recv(st, st->data, cmd->size);
-	if (err)
-		return err;
-
-	switch (cmd->id) {
-	case POHMELFS_CRYPTO_CAPABILITIES:
-			return pohmelfs_crypto_cap_response(st);
-	case POHMELFS_ROOT_CAPABILITIES:
-			return pohmelfs_root_cap_response(st);
-	default:
-			break;
-	}
-	return -EINVAL;
-}
-
-/*
- * Receiving extended attribute.
- * Does not work properly if received size is more than requested one,
- * it should not happen with current request/reply model though.
- */
-static int pohmelfs_getxattr_response(struct netfs_state *st)
-{
-	struct pohmelfs_sb *psb = st->psb;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct pohmelfs_mcache *m;
-	short error = (signed short)cmd->ext, err;
-	unsigned int sz, total_size;
-
-	m = pohmelfs_mcache_search(psb, cmd->id);
-
-	dprintk("%s: id: %llu, gen: %llu, err: %d.\n",
-		__func__, cmd->id, (m) ? m->gen : 0, error);
-
-	if (!m) {
-		printk("%s: failed to find getxattr cache entry: id: %llu.\n", __func__, cmd->id);
-		return -ENOENT;
-	}
-
-	if (cmd->size) {
-		sz = min_t(unsigned int, cmd->size, m->size);
-		err = pohmelfs_data_recv_and_check(st, m->data, sz);
-		if (err) {
-			error = err;
-			goto out;
-		}
-
-		m->size = sz;
-		total_size = cmd->size - sz;
-
-		while (total_size) {
-			sz = min(total_size, st->size);
-
-			err = pohmelfs_data_recv_and_check(st, st->data, sz);
-			if (err) {
-				error = err;
-				break;
-			}
-
-			total_size -= sz;
-		}
-	}
-
-out:
-	m->err = error;
-	complete(&m->complete);
-	pohmelfs_mcache_put(psb, m);
-
-	return error;
-}
-
-int pohmelfs_data_lock_response(struct netfs_state *st)
-{
-	struct pohmelfs_sb *psb = st->psb;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct pohmelfs_mcache *m;
-	short err = (signed short)cmd->ext;
-	u64 id = cmd->id;
-
-	m = pohmelfs_mcache_search(psb, id);
-
-	dprintk("%s: id: %llu, gen: %llu, err: %d.\n",
-		__func__, cmd->id, (m) ? m->gen : 0, err);
-
-	if (!m) {
-		pohmelfs_data_recv(st, st->data, cmd->size);
-		printk("%s: failed to find data lock response: id: %llu.\n", __func__, cmd->id);
-		return -ENOENT;
-	}
-
-	if (cmd->size)
-		err = pohmelfs_data_recv_and_check(st, &m->info, cmd->size);
-
-	m->err = err;
-	complete(&m->complete);
-	pohmelfs_mcache_put(psb, m);
-
-	return err;
-}
-
-static void __inline__ netfs_state_reset(struct netfs_state *st)
-{
-	netfs_state_lock_send(st);
-	netfs_state_exit(st);
-	netfs_state_init(st);
-	netfs_state_unlock_send(st);
-}
-
-/*
- * Main receiving function, called from dedicated kernel thread.
- */
-static int pohmelfs_recv(void *data)
-{
-	int err = -EINTR;
-	struct netfs_state *st = data;
-	struct netfs_cmd *cmd = &st->cmd;
-
-	while (!kthread_should_stop()) {
-		/*
-		 * If socket will be reset after this statement, then
-		 * pohmelfs_data_recv() will just fail and loop will
-		 * start again, so it can be done without any locks.
-		 *
-		 * st->read_socket is needed to prevents state machine
-		 * breaking between this data reading and subsequent one
-		 * in protocol specific functions during connection reset.
-		 * In case of reset we have to read next command and do
-		 * not expect data for old command to magically appear in
-		 * new connection.
-		 */
-		st->read_socket = st->socket;
-		err = pohmelfs_data_recv(st, cmd, sizeof(struct netfs_cmd));
-		if (err) {
-			msleep(1000);
-			continue;
-		}
-
-		netfs_convert_cmd(cmd);
-
-		dprintk("%s: cmd: %u, id: %llu, start: %llu, size: %u, "
-				"ext: %u, csize: %u, cpad: %u.\n",
-				__func__, cmd->cmd, cmd->id, cmd->start,
-				cmd->size, cmd->ext, cmd->csize, cmd->cpad);
-
-		if (cmd->csize) {
-			struct pohmelfs_crypto_engine *e = &st->eng;
-
-			if (unlikely(cmd->csize > e->size/2)) {
-				netfs_state_reset(st);
-				continue;
-			}
-
-			if (e->hash && unlikely(cmd->csize != st->psb->crypto_attached_size)) {
-				dprintk("%s: cmd: cmd: %u, id: %llu, start: %llu, size: %u, "
-						"csize: %u != digest size %u.\n",
-						__func__, cmd->cmd, cmd->id, cmd->start, cmd->size,
-						cmd->csize, st->psb->crypto_attached_size);
-				netfs_state_reset(st);
-				continue;
-			}
-
-			err = pohmelfs_data_recv(st, e->data, cmd->csize);
-			if (err) {
-				netfs_state_reset(st);
-				continue;
-			}
-
-#ifdef CONFIG_POHMELFS_DEBUG
-			{
-				unsigned int i;
-				unsigned char *hash = e->data;
-
-				dprintk("%s: received hash: ", __func__);
-				for (i = 0; i < cmd->csize; ++i)
-					printk("%02x ", hash[i]);
-
-				printk("\n");
-			}
-#endif
-			cmd->size -= cmd->csize;
-		}
-
-		/*
-		 * This should catch protocol breakage and random garbage instead of commands.
-		 */
-		if (unlikely((cmd->size > st->size) && (cmd->cmd != NETFS_XATTR_GET))) {
-			netfs_state_reset(st);
-			continue;
-		}
-
-		switch (cmd->cmd) {
-		case NETFS_READ_PAGE:
-				err = pohmelfs_read_page_response(st);
-				break;
-		case NETFS_READDIR:
-				err = pohmelfs_readdir_response(st);
-				break;
-		case NETFS_LOOKUP:
-				err = pohmelfs_lookup_response(st);
-				break;
-		case NETFS_CREATE:
-				err = pohmelfs_create_response(st);
-				break;
-		case NETFS_REMOVE:
-				err = pohmelfs_remove_response(st);
-				break;
-		case NETFS_TRANS:
-				err = pohmelfs_transaction_response(st);
-				break;
-		case NETFS_PAGE_CACHE:
-				err = pohmelfs_page_cache_response(st);
-				break;
-		case NETFS_CAPABILITIES:
-				err = pohmelfs_capabilities_response(st);
-				break;
-		case NETFS_LOCK:
-				err = pohmelfs_data_lock_response(st);
-				break;
-		case NETFS_XATTR_GET:
-				err = pohmelfs_getxattr_response(st);
-				break;
-		default:
-				printk("%s: wrong cmd: %u, id: %llu, start: %llu, size: %u, ext: %u.\n",
-					__func__, cmd->cmd, cmd->id, cmd->start, cmd->size, cmd->ext);
-				netfs_state_reset(st);
-				break;
-		}
-	}
-
-	while (!kthread_should_stop())
-		schedule_timeout_uninterruptible(msecs_to_jiffies(10));
-
-	return err;
-}
-
-int netfs_state_init(struct netfs_state *st)
-{
-	int err;
-	struct pohmelfs_ctl *ctl = &st->ctl;
-
-	err = sock_create(ctl->addr.sa_family, ctl->type, ctl->proto, &st->socket);
-	if (err) {
-		printk("%s: failed to create a socket: family: %d, type: %d, proto: %d, err: %d.\n",
-				__func__, ctl->addr.sa_family, ctl->type, ctl->proto, err);
-		goto err_out_exit;
-	}
-
-	st->socket->sk->sk_allocation = GFP_NOIO;
-	st->socket->sk->sk_sndtimeo = st->socket->sk->sk_rcvtimeo = msecs_to_jiffies(60000);
-
-	err = kernel_connect(st->socket, (struct sockaddr *)&ctl->addr, ctl->addrlen, 0);
-	if (err) {
-		printk("%s: failed to connect to server: idx: %u, err: %d.\n",
-				__func__, st->psb->idx, err);
-		goto err_out_release;
-	}
-	st->socket->sk->sk_sndtimeo = st->socket->sk->sk_rcvtimeo = msecs_to_jiffies(60000);
-
-	err = netfs_poll_init(st);
-	if (err)
-		goto err_out_release;
-
-	if (st->socket->ops->family == AF_INET) {
-		struct sockaddr_in *sin = (struct sockaddr_in *)&ctl->addr;
-		printk(KERN_INFO "%s: (re)connected to peer %pi4:%d.\n", __func__,
-			&sin->sin_addr.s_addr, ntohs(sin->sin_port));
-	} else if (st->socket->ops->family == AF_INET6) {
-		struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&ctl->addr;
-		printk(KERN_INFO "%s: (re)connected to peer %pi6:%d", __func__,
-				&sin->sin6_addr, ntohs(sin->sin6_port));
-	}
-
-	return 0;
-
-err_out_release:
-	sock_release(st->socket);
-err_out_exit:
-	st->socket = NULL;
-	return err;
-}
-
-void netfs_state_exit(struct netfs_state *st)
-{
-	if (st->socket) {
-		netfs_poll_exit(st);
-		st->socket->ops->shutdown(st->socket, 2);
-
-		if (st->socket->ops->family == AF_INET) {
-			struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr;
-			printk(KERN_INFO "%s: disconnected from peer %pi4:%d.\n", __func__,
-				&sin->sin_addr.s_addr, ntohs(sin->sin_port));
-		} else if (st->socket->ops->family == AF_INET6) {
-			struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr;
-			printk(KERN_INFO "%s: disconnected from peer %pi6:%d", __func__,
-				&sin->sin6_addr, ntohs(sin->sin6_port));
-		}
-
-		sock_release(st->socket);
-		st->socket = NULL;
-		st->read_socket = NULL;
-		st->need_reset = 0;
-	}
-}
-
-int pohmelfs_state_init_one(struct pohmelfs_sb *psb, struct pohmelfs_config *conf)
-{
-	struct netfs_state *st = &conf->state;
-	int err = -ENOMEM;
-
-	mutex_init(&st->__state_lock);
-	mutex_init(&st->__state_send_lock);
-	init_waitqueue_head(&st->thread_wait);
-
-	st->psb = psb;
-	st->trans_root = RB_ROOT;
-	mutex_init(&st->trans_lock);
-
-	st->size = psb->trans_data_size;
-	st->data = kmalloc(st->size, GFP_KERNEL);
-	if (!st->data)
-		goto err_out_exit;
-
-	if (psb->perform_crypto) {
-		err = pohmelfs_crypto_engine_init(&st->eng, psb);
-		if (err)
-			goto err_out_free_data;
-	}
-
-	err = netfs_state_init(st);
-	if (err)
-		goto err_out_free_engine;
-
-	st->thread = kthread_run(pohmelfs_recv, st, "pohmelfs/%u", psb->idx);
-	if (IS_ERR(st->thread)) {
-		err = PTR_ERR(st->thread);
-		goto err_out_netfs_exit;
-	}
-
-	if (!psb->active_state)
-		psb->active_state = conf;
-
-	dprintk("%s: conf: %p, st: %p, socket: %p.\n",
-			__func__, conf, st, st->socket);
-	return 0;
-
-err_out_netfs_exit:
-	netfs_state_exit(st);
-err_out_free_engine:
-	pohmelfs_crypto_engine_exit(&st->eng);
-err_out_free_data:
-	kfree(st->data);
-err_out_exit:
-	return err;
-
-}
-
-void pohmelfs_state_flush_transactions(struct netfs_state *st)
-{
-	struct rb_node *rb_node;
-	struct netfs_trans_dst *dst;
-
-	mutex_lock(&st->trans_lock);
-	for (rb_node = rb_first(&st->trans_root); rb_node; ) {
-		dst = rb_entry(rb_node, struct netfs_trans_dst, state_entry);
-		rb_node = rb_next(rb_node);
-
-		dst->trans->result = -EINVAL;
-		netfs_trans_remove_nolock(dst, st);
-		netfs_trans_drop_dst_nostate(dst);
-	}
-	mutex_unlock(&st->trans_lock);
-}
-
-static void pohmelfs_state_exit_one(struct pohmelfs_config *c)
-{
-	struct netfs_state *st = &c->state;
-
-	dprintk("%s: exiting, st: %p.\n", __func__, st);
-	if (st->thread) {
-		kthread_stop(st->thread);
-		st->thread = NULL;
-	}
-
-	netfs_state_lock_send(st);
-	netfs_state_exit(st);
-	netfs_state_unlock_send(st);
-
-	pohmelfs_state_flush_transactions(st);
-
-	pohmelfs_crypto_engine_exit(&st->eng);
-	kfree(st->data);
-
-	kfree(c);
-}
-
-/*
- * Initialize network stack. It searches for given ID in global
- * configuration table, this contains information of the remote server
- * (address (any supported by socket interface) and port, protocol and so on).
- */
-int pohmelfs_state_init(struct pohmelfs_sb *psb)
-{
-	int err = -ENOMEM;
-
-	err = pohmelfs_copy_config(psb);
-	if (err) {
-		pohmelfs_state_exit(psb);
-		return err;
-	}
-
-	return 0;
-}
-
-void pohmelfs_state_exit(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c, *tmp;
-
-	list_for_each_entry_safe(c, tmp, &psb->state_list, config_entry) {
-		list_del(&c->config_entry);
-		pohmelfs_state_exit_one(c);
-	}
-}
-
-void pohmelfs_switch_active(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c = psb->active_state;
-
-	if (!list_empty(&psb->state_list)) {
-		if (c->config_entry.next != &psb->state_list) {
-			psb->active_state = list_entry(c->config_entry.next,
-				struct pohmelfs_config, config_entry);
-		} else {
-			psb->active_state = list_entry(psb->state_list.next,
-				struct pohmelfs_config, config_entry);
-		}
-
-		dprintk("%s: empty: %d, active %p -> %p.\n",
-			__func__, list_empty(&psb->state_list), c,
-			psb->active_state);
-	} else
-		psb->active_state = NULL;
-}
-
-void pohmelfs_check_states(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c, *tmp;
-	LIST_HEAD(delete_list);
-
-	mutex_lock(&psb->state_lock);
-	list_for_each_entry_safe(c, tmp, &psb->state_list, config_entry) {
-		if (pohmelfs_config_check(c, psb->idx)) {
-
-			if (psb->active_state == c)
-				pohmelfs_switch_active(psb);
-			list_move(&c->config_entry, &delete_list);
-		}
-	}
-	pohmelfs_copy_config(psb);
-	mutex_unlock(&psb->state_lock);
-
-	list_for_each_entry_safe(c, tmp, &delete_list, config_entry) {
-		list_del(&c->config_entry);
-		pohmelfs_state_exit_one(c);
-	}
-}
diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h
deleted file mode 100644
index f26894f2a57f..000000000000
--- a/drivers/staging/pohmelfs/netfs.h
+++ /dev/null
@@ -1,919 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __NETFS_H
-#define __NETFS_H
-
-#include <linux/types.h>
-#include <linux/connector.h>
-#include <linux/backing-dev.h>
-
-#define POHMELFS_CN_IDX			5
-#define POHMELFS_CN_VAL			0
-
-#define POHMELFS_CTLINFO_ACK		1
-#define POHMELFS_NOINFO_ACK		2
-
-#define POHMELFS_NULL_IDX		65535
-
-/*
- * Network command structure.
- * Will be extended.
- */
-struct netfs_cmd {
-	__u16			cmd;	/* Command number */
-	__u16			csize;	/* Attached crypto information size */
-	__u16			cpad;	/* Attached padding size */
-	__u16			ext;	/* External flags */
-	__u32			size;	/* Size of the attached data */
-	__u32			trans;	/* Transaction id */
-	__u64			id;	/* Object ID to operate on. Used for feedback.*/
-	__u64			start;	/* Start of the object. */
-	__u64			iv;	/* IV sequence */
-	__u8			data[0];
-};
-
-static inline void netfs_convert_cmd(struct netfs_cmd *cmd)
-{
-	cmd->id = __be64_to_cpu(cmd->id);
-	cmd->start = __be64_to_cpu(cmd->start);
-	cmd->iv = __be64_to_cpu(cmd->iv);
-	cmd->cmd = __be16_to_cpu(cmd->cmd);
-	cmd->ext = __be16_to_cpu(cmd->ext);
-	cmd->csize = __be16_to_cpu(cmd->csize);
-	cmd->cpad = __be16_to_cpu(cmd->cpad);
-	cmd->size = __be32_to_cpu(cmd->size);
-}
-
-#define NETFS_TRANS_SINGLE_DST		(1<<0)
-
-enum {
-	NETFS_READDIR	= 1,	/* Read directory for given inode number */
-	NETFS_READ_PAGE,	/* Read data page from the server */
-	NETFS_WRITE_PAGE,	/* Write data page to the server */
-	NETFS_CREATE,		/* Create directory entry */
-	NETFS_REMOVE,		/* Remove directory entry */
-
-	NETFS_LOOKUP,		/* Lookup single object */
-	NETFS_LINK,		/* Create a link */
-	NETFS_TRANS,		/* Transaction */
-	NETFS_OPEN,		/* Open intent */
-	NETFS_INODE_INFO,	/* Metadata cache coherency synchronization message */
-
-	NETFS_PAGE_CACHE,	/* Page cache invalidation message */
-	NETFS_READ_PAGES,	/* Read multiple contiguous pages in one go */
-	NETFS_RENAME,		/* Rename object */
-	NETFS_CAPABILITIES,	/* Capabilities of the client, for example supported crypto */
-	NETFS_LOCK,		/* Distributed lock message */
-
-	NETFS_XATTR_SET,	/* Set extended attribute */
-	NETFS_XATTR_GET,	/* Get extended attribute */
-	NETFS_CMD_MAX
-};
-
-enum {
-	POHMELFS_FLAGS_ADD = 0, /* Network state control message for ADD */
-	POHMELFS_FLAGS_DEL,     /* Network state control message for DEL */
-	POHMELFS_FLAGS_SHOW,    /* Network state control message for SHOW */
-	POHMELFS_FLAGS_CRYPTO,	/* Crypto data control message */
-	POHMELFS_FLAGS_MODIFY,	/* Network state modification message */
-	POHMELFS_FLAGS_DUMP,	/* Network state control message for SHOW ALL */
-	POHMELFS_FLAGS_FLUSH,	/* Network state control message for FLUSH */
-};
-
-/*
- * Always wanted to copy it from socket headers into public one,
- * since they are __KERNEL__ protected there.
- */
-#define _K_SS_MAXSIZE	128
-
-struct saddr {
-	unsigned short		sa_family;
-	char			addr[_K_SS_MAXSIZE];
-};
-
-enum {
-	POHMELFS_CRYPTO_HASH = 0,
-	POHMELFS_CRYPTO_CIPHER,
-};
-
-struct pohmelfs_crypto {
-	unsigned int		idx;		/* Config index */
-	unsigned short		strlen;		/* Size of the attached crypto string including 0-byte
-						 * "cbc(aes)" for example */
-	unsigned short		type;		/* HMAC, cipher, both */
-	unsigned int		keysize;	/* Key size */
-	unsigned char		data[0];	/* Algorithm string, key and IV */
-};
-
-#define POHMELFS_IO_PERM_READ		(1<<0)
-#define POHMELFS_IO_PERM_WRITE		(1<<1)
-
-/*
- * Configuration command used to create table of different remote servers.
- */
-struct pohmelfs_ctl {
-	__u32			idx;		/* Config index */
-	__u32			type;		/* Socket type */
-	__u32			proto;		/* Socket protocol */
-	__u16			addrlen;	/* Size of the address */
-	__u16			perm;		/* IO permission */
-	__u16			prio;		/* IO priority */
-	struct saddr		addr;		/* Remote server address */
-};
-
-/*
- * Ack for userspace about requested command.
- */
-struct pohmelfs_cn_ack {
-	struct cn_msg		msg;
-	int			error;
-	int			msg_num;
-	int			unused[3];
-	struct pohmelfs_ctl	ctl;
-};
-
-/*
- * Inode info structure used to sync with server.
- * Check what stat() returns.
- */
-struct netfs_inode_info {
-	unsigned int		mode;
-	unsigned int		nlink;
-	unsigned int		uid;
-	unsigned int		gid;
-	unsigned int		blocksize;
-	unsigned int		padding;
-	__u64			ino;
-	__u64			blocks;
-	__u64			rdev;
-	__u64			size;
-	__u64			version;
-};
-
-static inline void netfs_convert_inode_info(struct netfs_inode_info *info)
-{
-	info->mode = __cpu_to_be32(info->mode);
-	info->nlink = __cpu_to_be32(info->nlink);
-	info->uid = __cpu_to_be32(info->uid);
-	info->gid = __cpu_to_be32(info->gid);
-	info->blocksize = __cpu_to_be32(info->blocksize);
-	info->blocks = __cpu_to_be64(info->blocks);
-	info->rdev = __cpu_to_be64(info->rdev);
-	info->size = __cpu_to_be64(info->size);
-	info->version = __cpu_to_be64(info->version);
-	info->ino = __cpu_to_be64(info->ino);
-}
-
-/*
- * Cache state machine.
- */
-enum {
-	NETFS_COMMAND_PENDING = 0,	/* Command is being executed */
-	NETFS_INODE_REMOTE_SYNCED,	/* Inode was synced to server */
-	NETFS_INODE_REMOTE_DIR_SYNCED,	/* Inode (directory) was synced from the server */
-	NETFS_INODE_OWNED,		/* Inode is owned by given host */
-	NETFS_INODE_NEED_FLUSH,		/* Inode has to be flushed to the server */
-};
-
-/*
- * POHMELFS capabilities: information about supported
- * crypto operations (hash/cipher, modes, key sizes and so on),
- * root information (used/available size, number of objects, permissions)
- */
-enum pohmelfs_capabilities {
-	POHMELFS_CRYPTO_CAPABILITIES = 0,
-	POHMELFS_ROOT_CAPABILITIES,
-};
-
-/* Read-only mount */
-#define POHMELFS_FLAGS_RO		(1<<0)
-/* Extended attributes support on/off */
-#define POHMELFS_FLAGS_XATTR		(1<<1)
-
-struct netfs_root_capabilities {
-	__u64			nr_files;
-	__u64			used, avail;
-	__u64			flags;
-};
-
-static inline void netfs_convert_root_capabilities(struct netfs_root_capabilities *cap)
-{
-	cap->nr_files = __cpu_to_be64(cap->nr_files);
-	cap->used = __cpu_to_be64(cap->used);
-	cap->avail = __cpu_to_be64(cap->avail);
-	cap->flags = __cpu_to_be64(cap->flags);
-}
-
-struct netfs_crypto_capabilities {
-	unsigned short		hash_strlen;	/* Hash string length, like "hmac(sha1) including 0 byte "*/
-	unsigned short		cipher_strlen;	/* Cipher string length with the same format */
-	unsigned int		cipher_keysize;	/* Cipher key size */
-};
-
-static inline void netfs_convert_crypto_capabilities(struct netfs_crypto_capabilities *cap)
-{
-	cap->hash_strlen = __cpu_to_be16(cap->hash_strlen);
-	cap->cipher_strlen = __cpu_to_be16(cap->cipher_strlen);
-	cap->cipher_keysize = __cpu_to_be32(cap->cipher_keysize);
-}
-
-enum pohmelfs_lock_type {
-	POHMELFS_LOCK_GRAB	= (1<<15),
-
-	POHMELFS_READ_LOCK	= 0,
-	POHMELFS_WRITE_LOCK,
-};
-
-struct netfs_lock {
-	__u64			start;
-	__u64			ino;
-	__u32			size;
-	__u32			type;
-};
-
-static inline void netfs_convert_lock(struct netfs_lock *lock)
-{
-	lock->start = __cpu_to_be64(lock->start);
-	lock->ino = __cpu_to_be64(lock->ino);
-	lock->size = __cpu_to_be32(lock->size);
-	lock->type = __cpu_to_be32(lock->type);
-}
-
-#ifdef __KERNEL__
-
-#include <linux/kernel.h>
-#include <linux/completion.h>
-#include <linux/rbtree.h>
-#include <linux/net.h>
-#include <linux/poll.h>
-
-/*
- * Private POHMELFS cache of objects in directory.
- */
-struct pohmelfs_name {
-	struct rb_node		hash_node;
-
-	struct list_head	sync_create_entry;
-
-	u64			ino;
-
-	u32			hash;
-	u32			mode;
-	u32			len;
-
-	char			*data;
-};
-
-/*
- * POHMELFS inode. Main object.
- */
-struct pohmelfs_inode {
-	struct list_head	inode_entry;		/* Entry in superblock list.
-							 * Objects which are not bound to dentry require to be dropped
-							 * in ->put_super()
-							 */
-	struct rb_root		hash_root;		/* The same, but indexed by name hash and len */
-	struct mutex		offset_lock;		/* Protect both above trees */
-
-	struct list_head	sync_create_list;	/* List of created but not yet synced to the server children */
-
-	unsigned int		drop_count;
-
-	int			lock_type;		/* How this inode is locked: read or write */
-
-	int			error;			/* Transaction error for given inode */
-
-	long			state;			/* State machine above */
-
-	u64			ino;			/* Inode number */
-	u64			total_len;		/* Total length of all children names, used to create offsets */
-
-	struct inode		vfs_inode;
-};
-
-struct netfs_trans;
-typedef int (*netfs_trans_complete_t)(struct page **pages, unsigned int page_num,
-		void *private, int err);
-
-struct netfs_state;
-struct pohmelfs_sb;
-
-struct netfs_trans {
-	/*
-	 * Transaction header and attached contiguous data live here.
-	 */
-	struct iovec			iovec;
-
-	/*
-	 * Pages attached to transaction.
-	 */
-	struct page			**pages;
-
-	/*
-	 * List and protecting lock for transaction destination
-	 * network states.
-	 */
-	spinlock_t			dst_lock;
-	struct list_head		dst_list;
-
-	/*
-	 * Number of users for given transaction.
-	 * For example each network state attached to transaction
-	 * via dst_list increases it.
-	 */
-	atomic_t			refcnt;
-
-	/*
-	 * Number of pages attached to given transaction.
-	 * Some slots in above page array can be NULL, since
-	 * for example page can be under writeback already,
-	 * so we skip it in this transaction.
-	 */
-	unsigned int			page_num;
-
-	/*
-	 * Transaction flags: single dst or broadcast and so on.
-	 */
-	unsigned int			flags;
-
-	/*
-	 * Size of the data, which can be placed into
-	 * iovec.iov_base area.
-	 */
-	unsigned int			total_size;
-
-	/*
-	 * Number of pages to be sent to remote server.
-	 * Usually equal to above page_num, but in case of partial
-	 * writeback it can accumulate only pages already completed
-	 * previous writeback.
-	 */
-	unsigned int			attached_pages;
-
-	/*
-	 * Attached number of bytes in all above pages.
-	 */
-	unsigned int			attached_size;
-
-	/*
-	 * Unique transacton generation number.
-	 * Used as identity in the network state tree of transactions.
-	 */
-	unsigned int			gen;
-
-	/*
-	 * Transaction completion status.
-	 */
-	int				result;
-
-	/*
-	 * Superblock this transaction belongs to
-	 */
-	struct pohmelfs_sb		*psb;
-
-	/*
-	 * Crypto engine, which processed this transaction.
-	 * Can be not NULL only if crypto engine holds encrypted pages.
-	 */
-	struct pohmelfs_crypto_engine	*eng;
-
-	/* Private data */
-	void				*private;
-
-	/* Completion callback, invoked just before transaction is destroyed */
-	netfs_trans_complete_t		complete;
-};
-
-static inline int netfs_trans_cur_len(struct netfs_trans *t)
-{
-	return (signed)(t->total_size - t->iovec.iov_len);
-}
-
-static inline void *netfs_trans_current(struct netfs_trans *t)
-{
-	return t->iovec.iov_base + t->iovec.iov_len;
-}
-
-struct netfs_trans *netfs_trans_alloc(struct pohmelfs_sb *psb, unsigned int size,
-		unsigned int flags, unsigned int nr);
-void netfs_trans_free(struct netfs_trans *t);
-int netfs_trans_finish(struct netfs_trans *t, struct pohmelfs_sb *psb);
-int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb);
-
-static inline void netfs_trans_reset(struct netfs_trans *t)
-{
-	t->complete = NULL;
-}
-
-struct netfs_trans_dst {
-	struct list_head		trans_entry;
-	struct rb_node			state_entry;
-
-	unsigned long			send_time;
-
-	/*
-	 * Times this transaction was resent to its old or new,
-	 * depending on flags, destinations. When it reaches maximum
-	 * allowed number, specified in superblock->trans_retries,
-	 * transaction will be freed with ETIMEDOUT error.
-	 */
-	unsigned int			retries;
-
-	struct netfs_trans		*trans;
-	struct netfs_state		*state;
-};
-
-struct netfs_trans_dst *netfs_trans_search(struct netfs_state *st, unsigned int gen);
-void netfs_trans_drop_dst(struct netfs_trans_dst *dst);
-void netfs_trans_drop_dst_nostate(struct netfs_trans_dst *dst);
-void netfs_trans_drop_trans(struct netfs_trans *t, struct netfs_state *st);
-void netfs_trans_drop_last(struct netfs_trans *t, struct netfs_state *st);
-int netfs_trans_resend(struct netfs_trans *t, struct pohmelfs_sb *psb);
-int netfs_trans_remove_nolock(struct netfs_trans_dst *dst, struct netfs_state *st);
-
-int netfs_trans_init(void);
-void netfs_trans_exit(void);
-
-struct pohmelfs_crypto_engine {
-	u64				iv;		/* Crypto IV for current operation */
-	unsigned long			timeout;	/* Crypto waiting timeout */
-	unsigned int			size;		/* Size of crypto scratchpad */
-	void				*data;		/* Temporal crypto scratchpad */
-	/*
-	 * Crypto operations performed on objects.
-	 */
-	struct crypto_hash		*hash;
-	struct crypto_ablkcipher	*cipher;
-
-	struct pohmelfs_crypto_thread	*thread;	/* Crypto thread which hosts this engine */
-
-	struct page			**pages;
-	unsigned int			page_num;
-};
-
-struct pohmelfs_crypto_thread {
-	struct list_head		thread_entry;
-
-	struct task_struct		*thread;
-	struct pohmelfs_sb		*psb;
-
-	struct pohmelfs_crypto_engine	eng;
-
-	struct netfs_trans		*trans;
-
-	wait_queue_head_t		wait;
-	int				error;
-
-	unsigned int			size;
-	struct page			*page;
-};
-
-void pohmelfs_crypto_thread_make_ready(struct pohmelfs_crypto_thread *th);
-
-/*
- * Network state, attached to one server.
- */
-struct netfs_state {
-	struct mutex		__state_lock;		/* Can not allow to use the same socket simultaneously */
-	struct mutex		__state_send_lock;
-	struct netfs_cmd	cmd;			/* Cached command */
-	struct netfs_inode_info	info;			/* Cached inode info */
-
-	void			*data;			/* Cached some data */
-	unsigned int		size;			/* Size of that data */
-
-	struct pohmelfs_sb	*psb;			/* Superblock */
-
-	struct task_struct	*thread;		/* Async receiving thread */
-
-	/* Waiting/polling machinery */
-	wait_queue_t		wait;
-	wait_queue_head_t	*whead;
-	wait_queue_head_t	thread_wait;
-
-	struct mutex		trans_lock;
-	struct rb_root		trans_root;
-
-	struct pohmelfs_ctl	ctl;			/* Remote peer */
-
-	struct socket		*socket;		/* Socket object */
-	struct socket		*read_socket;		/* Cached pointer to socket object.
-							 * Used to determine if between lock drops socket was changed.
-							 * Never used to read data or any kind of access.
-							 */
-	/*
-	 * Crypto engines to process incoming data.
-	 */
-	struct pohmelfs_crypto_engine	eng;
-
-	int			need_reset;
-};
-
-int netfs_state_init(struct netfs_state *st);
-void netfs_state_exit(struct netfs_state *st);
-
-static inline void netfs_state_lock_send(struct netfs_state *st)
-{
-	mutex_lock(&st->__state_send_lock);
-}
-
-static inline int netfs_state_trylock_send(struct netfs_state *st)
-{
-	return mutex_trylock(&st->__state_send_lock);
-}
-
-static inline void netfs_state_unlock_send(struct netfs_state *st)
-{
-	BUG_ON(!mutex_is_locked(&st->__state_send_lock));
-
-	mutex_unlock(&st->__state_send_lock);
-}
-
-static inline void netfs_state_lock(struct netfs_state *st)
-{
-	mutex_lock(&st->__state_lock);
-}
-
-static inline void netfs_state_unlock(struct netfs_state *st)
-{
-	BUG_ON(!mutex_is_locked(&st->__state_lock));
-
-	mutex_unlock(&st->__state_lock);
-}
-
-static inline unsigned int netfs_state_poll(struct netfs_state *st)
-{
-	unsigned int revents = POLLHUP | POLLERR;
-
-	netfs_state_lock(st);
-	if (st->socket)
-		revents = st->socket->ops->poll(NULL, st->socket, NULL);
-	netfs_state_unlock(st);
-
-	return revents;
-}
-
-struct pohmelfs_config;
-
-struct pohmelfs_sb {
-	struct rb_root		mcache_root;
-	struct mutex		mcache_lock;
-	atomic_long_t		mcache_gen;
-	unsigned long		mcache_timeout;
-
-	unsigned int		idx;
-
-	unsigned int		trans_retries;
-
-	atomic_t		trans_gen;
-
-	unsigned int		crypto_attached_size;
-	unsigned int		crypto_align_size;
-
-	unsigned int		crypto_fail_unsupported;
-
-	unsigned int		crypto_thread_num;
-	struct list_head	crypto_active_list, crypto_ready_list;
-	struct mutex		crypto_thread_lock;
-
-	unsigned int		trans_max_pages;
-	unsigned long		trans_data_size;
-	unsigned long		trans_timeout;
-
-	unsigned long		drop_scan_timeout;
-	unsigned long		trans_scan_timeout;
-
-	unsigned long		wait_on_page_timeout;
-
-	struct list_head	flush_list;
-	struct list_head	drop_list;
-	spinlock_t		ino_lock;
-	u64			ino;
-
-	/*
-	 * Remote nodes POHMELFS connected to.
-	 */
-	struct list_head	state_list;
-	struct mutex		state_lock;
-
-	/*
-	 * Currently active state to request data from.
-	 */
-	struct pohmelfs_config	*active_state;
-
-
-	wait_queue_head_t	wait;
-
-	/*
-	 * Timed checks: stale transactions, inodes to be freed and so on.
-	 */
-	struct delayed_work	dwork;
-	struct delayed_work	drop_dwork;
-
-	struct super_block	*sb;
-
-	struct backing_dev_info	bdi;
-
-	/*
-	 * Algorithm strings.
-	 */
-	char			*hash_string;
-	char			*cipher_string;
-
-	u8			*hash_key;
-	u8			*cipher_key;
-
-	/*
-	 * Algorithm string lengths.
-	 */
-	unsigned int		hash_strlen;
-	unsigned int		cipher_strlen;
-	unsigned int		hash_keysize;
-	unsigned int		cipher_keysize;
-
-	/*
-	 * Controls whether to perfrom crypto processing or not.
-	 */
-	int			perform_crypto;
-
-	/*
-	 * POHMELFS statistics.
-	 */
-	u64			total_size;
-	u64			avail_size;
-	atomic_long_t		total_inodes;
-
-	/*
-	 * Xattr support, read-only and so on.
-	 */
-	u64			state_flags;
-
-	/*
-	 * Temporary storage to detect changes in the wait queue.
-	 */
-	long			flags;
-};
-
-static inline void netfs_trans_update(struct netfs_cmd *cmd,
-		struct netfs_trans *t, unsigned int size)
-{
-	unsigned int sz = ALIGN(size, t->psb->crypto_align_size);
-
-	t->iovec.iov_len += sizeof(struct netfs_cmd) + sz;
-	cmd->cpad = __cpu_to_be16(sz - size);
-}
-
-static inline struct pohmelfs_sb *POHMELFS_SB(struct super_block *sb)
-{
-	return sb->s_fs_info;
-}
-
-static inline struct pohmelfs_inode *POHMELFS_I(struct inode *inode)
-{
-	return container_of(inode, struct pohmelfs_inode, vfs_inode);
-}
-
-static inline u64 pohmelfs_new_ino(struct pohmelfs_sb *psb)
-{
-	u64 ino;
-
-	spin_lock(&psb->ino_lock);
-	ino = psb->ino++;
-	spin_unlock(&psb->ino_lock);
-
-	return ino;
-}
-
-static inline void pohmelfs_put_inode(struct pohmelfs_inode *pi)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-
-	spin_lock(&psb->ino_lock);
-	list_move_tail(&pi->inode_entry, &psb->drop_list);
-	pi->drop_count++;
-	spin_unlock(&psb->ino_lock);
-}
-
-struct pohmelfs_config {
-	struct list_head	config_entry;
-
-	struct netfs_state	state;
-};
-
-struct pohmelfs_config_group {
-	/*
-	 * Entry in the global config group list.
-	 */
-	struct list_head	group_entry;
-
-	/*
-	 * Index of the current group.
-	 */
-	unsigned int		idx;
-	/*
-	 * Number of config_list entries in this group entry.
-	 */
-	unsigned int		num_entry;
-	/*
-	 * Algorithm strings.
-	 */
-	char			*hash_string;
-	char			*cipher_string;
-
-	/*
-	 * Algorithm string lengths.
-	 */
-	unsigned int		hash_strlen;
-	unsigned int		cipher_strlen;
-
-	/*
-	 * Key and its size.
-	 */
-	unsigned int		hash_keysize;
-	unsigned int		cipher_keysize;
-	u8			*hash_key;
-	u8			*cipher_key;
-
-	/*
-	 * List of config entries (network state info) for given idx.
-	 */
-	struct list_head	config_list;
-};
-
-int __init pohmelfs_config_init(void);
-void pohmelfs_config_exit(void);
-int pohmelfs_copy_config(struct pohmelfs_sb *psb);
-int pohmelfs_copy_crypto(struct pohmelfs_sb *psb);
-int pohmelfs_config_check(struct pohmelfs_config *config, int idx);
-int pohmelfs_state_init_one(struct pohmelfs_sb *psb, struct pohmelfs_config *conf);
-
-extern const struct file_operations pohmelfs_dir_fops;
-extern const struct inode_operations pohmelfs_dir_inode_ops;
-
-int pohmelfs_state_init(struct pohmelfs_sb *psb);
-void pohmelfs_state_exit(struct pohmelfs_sb *psb);
-void pohmelfs_state_flush_transactions(struct netfs_state *st);
-
-void pohmelfs_fill_inode(struct inode *inode, struct netfs_inode_info *info);
-
-void pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *n);
-void pohmelfs_free_names(struct pohmelfs_inode *parent);
-struct pohmelfs_name *pohmelfs_search_hash(struct pohmelfs_inode *pi, u32 hash);
-
-void pohmelfs_inode_del_inode(struct pohmelfs_sb *psb, struct pohmelfs_inode *pi);
-
-struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb,
-	struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode);
-
-int pohmelfs_write_create_inode(struct pohmelfs_inode *pi);
-
-int pohmelfs_write_inode_create(struct inode *inode, struct netfs_trans *trans);
-int pohmelfs_remove_child(struct pohmelfs_inode *parent, struct pohmelfs_name *n);
-
-struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb,
-		struct pohmelfs_inode *parent, struct qstr *str,
-		struct netfs_inode_info *info, int link);
-
-int pohmelfs_setattr(struct dentry *dentry, struct iattr *attr);
-int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr);
-
-int pohmelfs_meta_command(struct pohmelfs_inode *pi, unsigned int cmd_op, unsigned int flags,
-		netfs_trans_complete_t complete, void *priv, u64 start);
-int pohmelfs_meta_command_data(struct pohmelfs_inode *pi, u64 id, unsigned int cmd_op, char *addon,
-		unsigned int flags, netfs_trans_complete_t complete, void *priv, u64 start);
-
-void pohmelfs_check_states(struct pohmelfs_sb *psb);
-void pohmelfs_switch_active(struct pohmelfs_sb *psb);
-
-int pohmelfs_construct_path_string(struct pohmelfs_inode *pi, void *data, int len);
-int pohmelfs_path_length(struct pohmelfs_inode *pi);
-
-struct pohmelfs_crypto_completion {
-	struct completion	complete;
-	int			error;
-};
-
-int pohmelfs_trans_crypt(struct netfs_trans *t, struct pohmelfs_sb *psb);
-void pohmelfs_crypto_exit(struct pohmelfs_sb *psb);
-int pohmelfs_crypto_init(struct pohmelfs_sb *psb);
-
-int pohmelfs_crypto_engine_init(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb);
-void pohmelfs_crypto_engine_exit(struct pohmelfs_crypto_engine *e);
-
-int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 iv,
-		void *data, struct page *page, unsigned int size);
-int pohmelfs_crypto_process_input_page(struct pohmelfs_crypto_engine *e,
-		struct page *page, unsigned int size, u64 iv);
-
-static inline u64 pohmelfs_gen_iv(struct netfs_trans *t)
-{
-	u64 iv = t->gen;
-
-	iv <<= 32;
-	iv |= ((unsigned long)t) & 0xffffffff;
-
-	return iv;
-}
-
-int pohmelfs_data_lock(struct pohmelfs_inode *pi, u64 start, u32 size, int type);
-int pohmelfs_data_unlock(struct pohmelfs_inode *pi, u64 start, u32 size, int type);
-int pohmelfs_data_lock_response(struct netfs_state *st);
-
-static inline int pohmelfs_need_lock(struct pohmelfs_inode *pi, int type)
-{
-	if (test_bit(NETFS_INODE_OWNED, &pi->state)) {
-		if (type == pi->lock_type)
-			return 0;
-		if ((type == POHMELFS_READ_LOCK) && (pi->lock_type == POHMELFS_WRITE_LOCK))
-			return 0;
-	}
-
-	if (!test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state))
-		return 0;
-
-	return 1;
-}
-
-int __init pohmelfs_mcache_init(void);
-void pohmelfs_mcache_exit(void);
-
-/* #define CONFIG_POHMELFS_DEBUG */
-
-#ifdef CONFIG_POHMELFS_DEBUG
-#define dprintka(f, a...) printk(f, ##a)
-#define dprintk(f, a...) printk("%d: " f, task_pid_vnr(current), ##a)
-#else
-#define dprintka(f, a...) do {} while (0)
-#define dprintk(f, a...) do {} while (0)
-#endif
-
-static inline void netfs_trans_get(struct netfs_trans *t)
-{
-	atomic_inc(&t->refcnt);
-}
-
-static inline void netfs_trans_put(struct netfs_trans *t)
-{
-	if (atomic_dec_and_test(&t->refcnt)) {
-		dprintk("%s: t: %p, gen: %u, err: %d.\n",
-			__func__, t, t->gen, t->result);
-		if (t->complete)
-			t->complete(t->pages, t->page_num,
-				t->private, t->result);
-		netfs_trans_free(t);
-	}
-}
-
-struct pohmelfs_mcache {
-	struct rb_node			mcache_entry;
-	struct completion		complete;
-
-	atomic_t			refcnt;
-
-	u64				gen;
-
-	void				*data;
-	u64				start;
-	u32				size;
-	int				err;
-
-	struct netfs_inode_info		info;
-};
-
-struct pohmelfs_mcache *pohmelfs_mcache_alloc(struct pohmelfs_sb *psb, u64 start,
-		unsigned int size, void *data);
-void pohmelfs_mcache_free(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m);
-struct pohmelfs_mcache *pohmelfs_mcache_search(struct pohmelfs_sb *psb, u64 gen);
-void pohmelfs_mcache_remove_locked(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m);
-
-static inline void pohmelfs_mcache_get(struct pohmelfs_mcache *m)
-{
-	atomic_inc(&m->refcnt);
-}
-
-static inline void pohmelfs_mcache_put(struct pohmelfs_sb *psb,
-		struct pohmelfs_mcache *m)
-{
-	if (atomic_dec_and_test(&m->refcnt))
-		pohmelfs_mcache_free(psb, m);
-}
-
-/*#define POHMELFS_TRUNCATE_ON_INODE_FLUSH
- */
-
-#endif /* __KERNEL__*/
-
-#endif /* __NETFS_H */
diff --git a/drivers/staging/pohmelfs/path_entry.c b/drivers/staging/pohmelfs/path_entry.c
deleted file mode 100644
index 400a9fc386ad..000000000000
--- a/drivers/staging/pohmelfs/path_entry.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/ktime.h>
-#include <linux/fs_struct.h>
-#include <linux/pagemap.h>
-#include <linux/writeback.h>
-#include <linux/mount.h>
-#include <linux/mm.h>
-
-#include "netfs.h"
-
-#define UNHASHED_OBSCURE_STRING_SIZE		sizeof(" (deleted)")
-
-/*
- * Create path from root for given inode.
- * Path is formed as set of stuctures, containing name of the object
- * and its inode data (mode, permissions and so on).
- */
-int pohmelfs_construct_path_string(struct pohmelfs_inode *pi, void *data, int len)
-{
-	struct path path;
-	struct dentry *d;
-	char *ptr;
-	int err = 0, strlen, reduce = 0;
-
-	d = d_find_alias(&pi->vfs_inode);
-	if (!d) {
-		printk("%s: no alias, list_empty: %d.\n", __func__, list_empty(&pi->vfs_inode.i_dentry));
-		return -ENOENT;
-	}
-
-	spin_lock(&current->fs->lock);
-	path.mnt = mntget(current->fs->root.mnt);
-	spin_unlock(&current->fs->lock);
-
-	path.dentry = d;
-
-	if (!IS_ROOT(d) && d_unhashed(d))
-		reduce = 1;
-
-	ptr = d_path(&path, data, len);
-	if (IS_ERR(ptr)) {
-		err = PTR_ERR(ptr);
-		goto out;
-	}
-
-	if (reduce && len >= UNHASHED_OBSCURE_STRING_SIZE) {
-		char *end = data + len - UNHASHED_OBSCURE_STRING_SIZE;
-		*end = '\0';
-	}
-
-	strlen = len - (ptr - (char *)data);
-	memmove(data, ptr, strlen);
-	ptr = data;
-
-	err = strlen;
-
-	dprintk("%s: dname: '%s', len: %u, maxlen: %u, name: '%s', strlen: %d.\n",
-			__func__, d->d_name.name, d->d_name.len, len, ptr, strlen);
-
-out:
-	dput(d);
-	mntput(path.mnt);
-
-	return err;
-}
-
-int pohmelfs_path_length(struct pohmelfs_inode *pi)
-{
-	struct dentry *d, *root, *first;
-	int len;
-	unsigned seq;
-
-	first = d_find_alias(&pi->vfs_inode);
-	if (!first) {
-		dprintk("%s: ino: %llu, mode: %o.\n", __func__, pi->ino, pi->vfs_inode.i_mode);
-		return -ENOENT;
-	}
-
-	spin_lock(&current->fs->lock);
-	root = dget(current->fs->root.dentry);
-	spin_unlock(&current->fs->lock);
-
-rename_retry:
-	len = 1; /* Root slash */
-	d = first;
-	seq = read_seqbegin(&rename_lock);
-	rcu_read_lock();
-
-	if (!IS_ROOT(d) && d_unhashed(d))
-		len += UNHASHED_OBSCURE_STRING_SIZE; /* Obscure " (deleted)" string */
-
-	while (d && d != root && !IS_ROOT(d)) {
-		len += d->d_name.len + 1; /* Plus slash */
-		d = d->d_parent;
-	}
-	rcu_read_unlock();
-	if (read_seqretry(&rename_lock, seq))
-		goto rename_retry;
-
-	dput(root);
-	dput(first);
-
-	return len + 1; /* Including zero-byte */
-}
diff --git a/drivers/staging/pohmelfs/trans.c b/drivers/staging/pohmelfs/trans.c
deleted file mode 100644
index 06c1a7451b1b..000000000000
--- a/drivers/staging/pohmelfs/trans.c
+++ /dev/null
@@ -1,706 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/crypto.h>
-#include <linux/fs.h>
-#include <linux/jhash.h>
-#include <linux/hash.h>
-#include <linux/ktime.h>
-#include <linux/mempool.h>
-#include <linux/mm.h>
-#include <linux/mount.h>
-#include <linux/pagemap.h>
-#include <linux/parser.h>
-#include <linux/poll.h>
-#include <linux/swap.h>
-#include <linux/slab.h>
-#include <linux/statfs.h>
-#include <linux/writeback.h>
-
-#include "netfs.h"
-
-static struct kmem_cache *netfs_trans_dst;
-static mempool_t *netfs_trans_dst_pool;
-
-static void netfs_trans_init_static(struct netfs_trans *t, int num, int size)
-{
-	t->page_num = num;
-	t->total_size = size;
-	atomic_set(&t->refcnt, 1);
-
-	spin_lock_init(&t->dst_lock);
-	INIT_LIST_HEAD(&t->dst_list);
-}
-
-static int netfs_trans_send_pages(struct netfs_trans *t, struct netfs_state *st)
-{
-	int err = 0;
-	unsigned int i, attached_pages = t->attached_pages, ci;
-	struct msghdr msg;
-	struct page **pages = (t->eng) ? t->eng->pages : t->pages;
-	struct page *p;
-	unsigned int size;
-
-	msg.msg_name = NULL;
-	msg.msg_namelen = 0;
-	msg.msg_control = NULL;
-	msg.msg_controllen = 0;
-	msg.msg_flags = MSG_WAITALL | MSG_MORE;
-
-	ci = 0;
-	for (i = 0; i < t->page_num; ++i) {
-		struct page *page = pages[ci];
-		struct netfs_cmd cmd;
-		struct iovec io;
-
-		p = t->pages[i];
-
-		if (!p)
-			continue;
-
-		size = page_private(p);
-
-		io.iov_base = &cmd;
-		io.iov_len = sizeof(struct netfs_cmd);
-
-		cmd.cmd = NETFS_WRITE_PAGE;
-		cmd.ext = 0;
-		cmd.id = 0;
-		cmd.size = size;
-		cmd.start = p->index;
-		cmd.start <<= PAGE_CACHE_SHIFT;
-		cmd.csize = 0;
-		cmd.cpad = 0;
-		cmd.iv = pohmelfs_gen_iv(t);
-
-		netfs_convert_cmd(&cmd);
-
-		msg.msg_iov = &io;
-		msg.msg_iovlen = 1;
-		msg.msg_flags = MSG_WAITALL | MSG_MORE;
-
-		err = kernel_sendmsg(st->socket, &msg, (struct kvec *)msg.msg_iov, 1, sizeof(struct netfs_cmd));
-		if (err <= 0) {
-			printk("%s: %d/%d failed to send transaction header: t: %p, gen: %u, err: %d.\n",
-					__func__, i, t->page_num, t, t->gen, err);
-			if (err == 0)
-				err = -ECONNRESET;
-			goto err_out;
-		}
-
-		msg.msg_flags = MSG_WAITALL | (attached_pages == 1 ? 0 :
-				MSG_MORE);
-
-		err = kernel_sendpage(st->socket, page, 0, size, msg.msg_flags);
-		if (err <= 0) {
-			printk("%s: %d/%d failed to send transaction page: t: %p, gen: %u, size: %u, err: %d.\n",
-					__func__, i, t->page_num, t, t->gen, size, err);
-			if (err == 0)
-				err = -ECONNRESET;
-			goto err_out;
-		}
-
-		dprintk("%s: %d/%d sent t: %p, gen: %u, page: %p/%p, size: %u.\n",
-			__func__, i, t->page_num, t, t->gen, page, p, size);
-
-		err = 0;
-		attached_pages--;
-		if (!attached_pages)
-			break;
-		ci++;
-
-		continue;
-
-err_out:
-		printk("%s: t: %p, gen: %u, err: %d.\n", __func__, t, t->gen, err);
-		netfs_state_exit(st);
-		break;
-	}
-
-	return err;
-}
-
-int netfs_trans_send(struct netfs_trans *t, struct netfs_state *st)
-{
-	int err;
-	struct msghdr msg;
-
-	BUG_ON(!t->iovec.iov_len);
-	BUG_ON(t->iovec.iov_len > 1024*1024*1024);
-
-	netfs_state_lock_send(st);
-	if (!st->socket) {
-		err = netfs_state_init(st);
-		if (err)
-			goto err_out_unlock_return;
-	}
-
-	msg.msg_iov = &t->iovec;
-	msg.msg_iovlen = 1;
-	msg.msg_name = NULL;
-	msg.msg_namelen = 0;
-	msg.msg_control = NULL;
-	msg.msg_controllen = 0;
-	msg.msg_flags = MSG_WAITALL;
-
-	if (t->attached_pages)
-		msg.msg_flags |= MSG_MORE;
-
-	err = kernel_sendmsg(st->socket, &msg, (struct kvec *)msg.msg_iov, 1, t->iovec.iov_len);
-	if (err <= 0) {
-		printk("%s: failed to send contig transaction: t: %p, gen: %u, size: %zu, err: %d.\n",
-				__func__, t, t->gen, t->iovec.iov_len, err);
-		if (err == 0)
-			err = -ECONNRESET;
-		goto err_out_unlock_return;
-	}
-
-	dprintk("%s: sent %s transaction: t: %p, gen: %u, size: %zu, page_num: %u.\n",
-			__func__, (t->page_num) ? "partial" : "full",
-			t, t->gen, t->iovec.iov_len, t->page_num);
-
-	err = 0;
-	if (t->attached_pages)
-		err = netfs_trans_send_pages(t, st);
-
-err_out_unlock_return:
-
-	if (st->need_reset)
-		netfs_state_exit(st);
-
-	netfs_state_unlock_send(st);
-
-	dprintk("%s: t: %p, gen: %u, err: %d.\n",
-		__func__, t, t->gen, err);
-
-	t->result = err;
-	return err;
-}
-
-static inline int netfs_trans_cmp(unsigned int gen, unsigned int new)
-{
-	if (gen < new)
-		return 1;
-	if (gen > new)
-		return -1;
-	return 0;
-}
-
-struct netfs_trans_dst *netfs_trans_search(struct netfs_state *st, unsigned int gen)
-{
-	struct rb_root *root = &st->trans_root;
-	struct rb_node *n = root->rb_node;
-	struct netfs_trans_dst *tmp, *ret = NULL;
-	struct netfs_trans *t;
-	int cmp;
-
-	while (n) {
-		tmp = rb_entry(n, struct netfs_trans_dst, state_entry);
-		t = tmp->trans;
-
-		cmp = netfs_trans_cmp(t->gen, gen);
-		if (cmp < 0)
-			n = n->rb_left;
-		else if (cmp > 0)
-			n = n->rb_right;
-		else {
-			ret = tmp;
-			break;
-		}
-	}
-
-	return ret;
-}
-
-static int netfs_trans_insert(struct netfs_trans_dst *ndst, struct netfs_state *st)
-{
-	struct rb_root *root = &st->trans_root;
-	struct rb_node **n = &root->rb_node, *parent = NULL;
-	struct netfs_trans_dst *ret = NULL, *tmp;
-	struct netfs_trans *t = NULL, *new = ndst->trans;
-	int cmp;
-
-	while (*n) {
-		parent = *n;
-
-		tmp = rb_entry(parent, struct netfs_trans_dst, state_entry);
-		t = tmp->trans;
-
-		cmp = netfs_trans_cmp(t->gen, new->gen);
-		if (cmp < 0)
-			n = &parent->rb_left;
-		else if (cmp > 0)
-			n = &parent->rb_right;
-		else {
-			ret = tmp;
-			break;
-		}
-	}
-
-	if (ret) {
-		printk("%s: exist: old: gen: %u, flags: %x, send_time: %lu, "
-				"new: gen: %u, flags: %x, send_time: %lu.\n",
-			__func__, t->gen, t->flags, ret->send_time,
-			new->gen, new->flags, ndst->send_time);
-		return -EEXIST;
-	}
-
-	rb_link_node(&ndst->state_entry, parent, n);
-	rb_insert_color(&ndst->state_entry, root);
-	ndst->send_time = jiffies;
-
-	return 0;
-}
-
-int netfs_trans_remove_nolock(struct netfs_trans_dst *dst, struct netfs_state *st)
-{
-	if (dst && dst->state_entry.rb_parent_color) {
-		rb_erase(&dst->state_entry, &st->trans_root);
-		dst->state_entry.rb_parent_color = 0;
-		return 1;
-	}
-	return 0;
-}
-
-static int netfs_trans_remove_state(struct netfs_trans_dst *dst)
-{
-	int ret;
-	struct netfs_state *st = dst->state;
-
-	mutex_lock(&st->trans_lock);
-	ret = netfs_trans_remove_nolock(dst, st);
-	mutex_unlock(&st->trans_lock);
-
-	return ret;
-}
-
-/*
- * Create new destination for given transaction associated with given network state.
- * Transaction's reference counter is bumped and will be dropped when either
- * reply is received or when async timeout detection task will fail resending
- * and drop transaction.
- */
-static int netfs_trans_push_dst(struct netfs_trans *t, struct netfs_state *st)
-{
-	struct netfs_trans_dst *dst;
-	int err;
-
-	dst = mempool_alloc(netfs_trans_dst_pool, GFP_KERNEL);
-	if (!dst)
-		return -ENOMEM;
-
-	dst->retries = 0;
-	dst->send_time = 0;
-	dst->state = st;
-	dst->trans = t;
-	netfs_trans_get(t);
-
-	mutex_lock(&st->trans_lock);
-	err = netfs_trans_insert(dst, st);
-	mutex_unlock(&st->trans_lock);
-
-	if (err)
-		goto err_out_free;
-
-	spin_lock(&t->dst_lock);
-	list_add_tail(&dst->trans_entry, &t->dst_list);
-	spin_unlock(&t->dst_lock);
-
-	return 0;
-
-err_out_free:
-	t->result = err;
-	netfs_trans_put(t);
-	mempool_free(dst, netfs_trans_dst_pool);
-	return err;
-}
-
-static void netfs_trans_free_dst(struct netfs_trans_dst *dst)
-{
-	netfs_trans_put(dst->trans);
-	mempool_free(dst, netfs_trans_dst_pool);
-}
-
-static void netfs_trans_remove_dst(struct netfs_trans_dst *dst)
-{
-	if (netfs_trans_remove_state(dst))
-		netfs_trans_free_dst(dst);
-}
-
-/*
- * Drop destination transaction entry when we know it.
- */
-void netfs_trans_drop_dst(struct netfs_trans_dst *dst)
-{
-	struct netfs_trans *t = dst->trans;
-
-	spin_lock(&t->dst_lock);
-	list_del_init(&dst->trans_entry);
-	spin_unlock(&t->dst_lock);
-
-	netfs_trans_remove_dst(dst);
-}
-
-/*
- * Drop destination transaction entry when we know it and when we
- * already removed dst from state tree.
- */
-void netfs_trans_drop_dst_nostate(struct netfs_trans_dst *dst)
-{
-	struct netfs_trans *t = dst->trans;
-
-	spin_lock(&t->dst_lock);
-	list_del_init(&dst->trans_entry);
-	spin_unlock(&t->dst_lock);
-
-	netfs_trans_free_dst(dst);
-}
-
-/*
- * This drops destination transaction entry from appropriate network state
- * tree and drops related reference counter. It is possible that transaction
- * will be freed here if its reference counter hits zero.
- * Destination transaction entry will be freed.
- */
-void netfs_trans_drop_trans(struct netfs_trans *t, struct netfs_state *st)
-{
-	struct netfs_trans_dst *dst, *tmp, *ret = NULL;
-
-	spin_lock(&t->dst_lock);
-	list_for_each_entry_safe(dst, tmp, &t->dst_list, trans_entry) {
-		if (dst->state == st) {
-			ret = dst;
-			list_del(&dst->trans_entry);
-			break;
-		}
-	}
-	spin_unlock(&t->dst_lock);
-
-	if (ret)
-		netfs_trans_remove_dst(ret);
-}
-
-/*
- * This drops destination transaction entry from appropriate network state
- * tree and drops related reference counter. It is possible that transaction
- * will be freed here if its reference counter hits zero.
- * Destination transaction entry will be freed.
- */
-void netfs_trans_drop_last(struct netfs_trans *t, struct netfs_state *st)
-{
-	struct netfs_trans_dst *dst, *tmp, *ret;
-
-	spin_lock(&t->dst_lock);
-	ret = list_entry(t->dst_list.prev, struct netfs_trans_dst, trans_entry);
-	if (ret->state != st) {
-		ret = NULL;
-		list_for_each_entry_safe(dst, tmp, &t->dst_list, trans_entry) {
-			if (dst->state == st) {
-				ret = dst;
-				list_del_init(&dst->trans_entry);
-				break;
-			}
-		}
-	} else {
-		list_del(&ret->trans_entry);
-	}
-	spin_unlock(&t->dst_lock);
-
-	if (ret)
-		netfs_trans_remove_dst(ret);
-}
-
-static int netfs_trans_push(struct netfs_trans *t, struct netfs_state *st)
-{
-	int err;
-
-	err = netfs_trans_push_dst(t, st);
-	if (err)
-		return err;
-
-	err = netfs_trans_send(t, st);
-	if (err)
-		goto err_out_free;
-
-	if (t->flags & NETFS_TRANS_SINGLE_DST)
-		pohmelfs_switch_active(st->psb);
-
-	return 0;
-
-err_out_free:
-	t->result = err;
-	netfs_trans_drop_last(t, st);
-
-	return err;
-}
-
-int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c;
-	int err = -ENODEV;
-	struct netfs_state *st;
-#if 0
-	dprintk("%s: t: %p, gen: %u, size: %u, page_num: %u, active: %p.\n",
-		__func__, t, t->gen, t->iovec.iov_len, t->page_num, psb->active_state);
-#endif
-	mutex_lock(&psb->state_lock);
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-
-		if (t->flags & NETFS_TRANS_SINGLE_DST) {
-			if (!(st->ctl.perm & POHMELFS_IO_PERM_READ))
-				continue;
-		} else {
-			if (!(st->ctl.perm & POHMELFS_IO_PERM_WRITE))
-				continue;
-		}
-
-		if (psb->active_state && (psb->active_state->state.ctl.prio >= st->ctl.prio) &&
-				(t->flags & NETFS_TRANS_SINGLE_DST))
-			st = &psb->active_state->state;
-
-		err = netfs_trans_push(t, st);
-		if (!err && (t->flags & NETFS_TRANS_SINGLE_DST))
-			break;
-	}
-
-	mutex_unlock(&psb->state_lock);
-#if 0
-	dprintk("%s: fully sent t: %p, gen: %u, size: %u, page_num: %u, err: %d.\n",
-		__func__, t, t->gen, t->iovec.iov_len, t->page_num, err);
-#endif
-	if (err)
-		t->result = err;
-	return err;
-}
-
-int netfs_trans_finish(struct netfs_trans *t, struct pohmelfs_sb *psb)
-{
-	int err;
-	struct netfs_cmd *cmd = t->iovec.iov_base;
-
-	t->gen = atomic_inc_return(&psb->trans_gen);
-
-	cmd->size = t->iovec.iov_len - sizeof(struct netfs_cmd) +
-		t->attached_size + t->attached_pages * sizeof(struct netfs_cmd);
-	cmd->cmd = NETFS_TRANS;
-	cmd->start = t->gen;
-	cmd->id = 0;
-
-	if (psb->perform_crypto) {
-		cmd->ext = psb->crypto_attached_size;
-		cmd->csize = psb->crypto_attached_size;
-	}
-
-	dprintk("%s: t: %u, size: %u, iov_len: %zu, attached_size: %u, attached_pages: %u.\n",
-			__func__, t->gen, cmd->size, t->iovec.iov_len, t->attached_size, t->attached_pages);
-	err = pohmelfs_trans_crypt(t, psb);
-	if (err) {
-		t->result = err;
-		netfs_convert_cmd(cmd);
-		dprintk("%s: trans: %llu, crypto_attached_size: %u, attached_size: %u, attached_pages: %d, trans_size: %u, err: %d.\n",
-			__func__, cmd->start, psb->crypto_attached_size, t->attached_size, t->attached_pages, cmd->size, err);
-	}
-	netfs_trans_put(t);
-	return err;
-}
-
-/*
- * Resend transaction to remote server(s).
- * If new servers were added into superblock, we can try to send data
- * to them too.
- *
- * It is called under superblock's state_lock, so we can safely
- * dereference psb->state_list. Also, transaction's reference counter is
- * bumped, so it can not go away under us, thus we can safely access all
- * its members. State is locked.
- *
- * This function returns 0 if transaction was successfully sent to at
- * least one destination target.
- */
-int netfs_trans_resend(struct netfs_trans *t, struct pohmelfs_sb *psb)
-{
-	struct netfs_trans_dst *dst;
-	struct netfs_state *st;
-	struct pohmelfs_config *c;
-	int err, exist, error = -ENODEV;
-
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-
-		exist = 0;
-		spin_lock(&t->dst_lock);
-		list_for_each_entry(dst, &t->dst_list, trans_entry) {
-			if (st == dst->state) {
-				exist = 1;
-				break;
-			}
-		}
-		spin_unlock(&t->dst_lock);
-
-		if (exist) {
-			if (!(t->flags & NETFS_TRANS_SINGLE_DST) ||
-					(c->config_entry.next == &psb->state_list)) {
-				dprintk("%s: resending st: %p, t: %p, gen: %u.\n",
-						__func__, st, t, t->gen);
-				err = netfs_trans_send(t, st);
-				if (!err)
-					error = 0;
-			}
-			continue;
-		}
-
-		dprintk("%s: pushing/resending st: %p, t: %p, gen: %u.\n",
-				__func__, st, t, t->gen);
-		err = netfs_trans_push(t, st);
-		if (err)
-			continue;
-		error = 0;
-		if (t->flags & NETFS_TRANS_SINGLE_DST)
-			break;
-	}
-
-	t->result = error;
-	return error;
-}
-
-void *netfs_trans_add(struct netfs_trans *t, unsigned int size)
-{
-	struct iovec *io = &t->iovec;
-	void *ptr;
-
-	if (size > t->total_size) {
-		ptr = ERR_PTR(-EINVAL);
-		goto out;
-	}
-
-	if (io->iov_len + size > t->total_size) {
-		dprintk("%s: too big size t: %p, gen: %u, iov_len: %zu, size: %u, total: %u.\n",
-				__func__, t, t->gen, io->iov_len, size, t->total_size);
-		ptr = ERR_PTR(-E2BIG);
-		goto out;
-	}
-
-	ptr = io->iov_base + io->iov_len;
-	io->iov_len += size;
-
-out:
-	dprintk("%s: t: %p, gen: %u, size: %u, total: %zu.\n",
-		__func__, t, t->gen, size, io->iov_len);
-	return ptr;
-}
-
-void netfs_trans_free(struct netfs_trans *t)
-{
-	if (t->eng)
-		pohmelfs_crypto_thread_make_ready(t->eng->thread);
-	kfree(t);
-}
-
-struct netfs_trans *netfs_trans_alloc(struct pohmelfs_sb *psb, unsigned int size,
-		unsigned int flags, unsigned int nr)
-{
-	struct netfs_trans *t;
-	unsigned int num, cont, pad, size_no_trans;
-	unsigned int crypto_added = 0;
-	struct netfs_cmd *cmd;
-
-	if (psb->perform_crypto)
-		crypto_added = psb->crypto_attached_size;
-
-	/*
-	 * |sizeof(struct netfs_trans)|
-	 * |sizeof(struct netfs_cmd)| - transaction header
-	 * |size| - buffer with requested size
-	 * |padding| - crypto padding, zero bytes
-	 * |nr * sizeof(struct page *)| - array of page pointers
-	 *
-	 * Overall size should be less than PAGE_SIZE for guaranteed allocation.
-	 */
-
-	cont = size;
-	size = ALIGN(size, psb->crypto_align_size);
-	pad = size - cont;
-
-	size_no_trans = size + sizeof(struct netfs_cmd) * 2 + crypto_added;
-
-	cont = sizeof(struct netfs_trans) + size_no_trans;
-
-	num = (PAGE_SIZE - cont)/sizeof(struct page *);
-
-	if (nr > num)
-		nr = num;
-
-	t = kzalloc(cont + nr*sizeof(struct page *), GFP_NOIO);
-	if (!t)
-		goto err_out_exit;
-
-	t->iovec.iov_base = (void *)(t + 1);
-	t->pages = (struct page **)(t->iovec.iov_base + size_no_trans);
-
-	/*
-	 * Reserving space for transaction header.
-	 */
-	t->iovec.iov_len = sizeof(struct netfs_cmd) + crypto_added;
-
-	netfs_trans_init_static(t, nr, size_no_trans);
-
-	t->flags = flags;
-	t->psb = psb;
-
-	cmd = (struct netfs_cmd *)t->iovec.iov_base;
-
-	cmd->size = size;
-	cmd->cpad = pad;
-	cmd->csize = crypto_added;
-
-	dprintk("%s: t: %p, gen: %u, size: %u, padding: %u, align_size: %u, flags: %x, "
-			"page_num: %u, base: %p, pages: %p.\n",
-			__func__, t, t->gen, size, pad, psb->crypto_align_size, flags, nr,
-			t->iovec.iov_base, t->pages);
-
-	return t;
-
-err_out_exit:
-	return NULL;
-}
-
-int netfs_trans_init(void)
-{
-	int err = -ENOMEM;
-
-	netfs_trans_dst = kmem_cache_create("netfs_trans_dst", sizeof(struct netfs_trans_dst),
-			0, 0, NULL);
-	if (!netfs_trans_dst)
-		goto err_out_exit;
-
-	netfs_trans_dst_pool = mempool_create_slab_pool(256, netfs_trans_dst);
-	if (!netfs_trans_dst_pool)
-		goto err_out_free;
-
-	return 0;
-
-err_out_free:
-	kmem_cache_destroy(netfs_trans_dst);
-err_out_exit:
-	return err;
-}
-
-void netfs_trans_exit(void)
-{
-	mempool_destroy(netfs_trans_dst_pool);
-	kmem_cache_destroy(netfs_trans_dst);
-}
diff --git a/drivers/staging/rtl8712/drv_types.h b/drivers/staging/rtl8712/drv_types.h
index 9b5d771e650c..ed85b4415207 100644
--- a/drivers/staging/rtl8712/drv_types.h
+++ b/drivers/staging/rtl8712/drv_types.h
@@ -37,6 +37,8 @@ struct _adapter;
 #include "wlan_bssdef.h"
 #include "rtl8712_spec.h"
 #include "rtl8712_hal.h"
+#include <linux/mutex.h>
+#include <linux/completion.h>
 
 enum _NIC_VERSION {
 	RTL8711_NIC,
@@ -168,6 +170,7 @@ struct _adapter {
 	s32	bSurpriseRemoved;
 	u32	IsrContent;
 	u32	ImrContent;
+	bool	fw_found;
 	u8	EepromAddressSize;
 	u8	hw_init_completed;
 	struct task_struct *cmdThread;
@@ -184,6 +187,10 @@ struct _adapter {
 	_workitem wkFilterRxFF0;
 	u8 blnEnableRxFF0Filter;
 	spinlock_t lockRxFF0Filter;
+	const struct firmware *fw;
+	struct usb_interface *pusb_intf;
+	struct mutex mutex_start;
+	struct completion rtl8712_fw_ready;
 };
 
 static inline u8 *myid(struct eeprom_priv *peepriv)
diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c
index d0029aa4cd3c..cc893c0f5ad3 100644
--- a/drivers/staging/rtl8712/hal_init.c
+++ b/drivers/staging/rtl8712/hal_init.c
@@ -42,29 +42,56 @@
 #define FWBUFF_ALIGN_SZ 512
 #define MAX_DUMP_FWSZ	49152 /*default = 49152 (48k)*/
 
-static u32 rtl871x_open_fw(struct _adapter *padapter, void **pphfwfile_hdl,
-		    const u8 **ppmappedfw)
+static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context)
 {
+	struct _adapter *padapter = context;
+
+	complete(&padapter->rtl8712_fw_ready);
+	if (!firmware) {
+		struct usb_device *udev = padapter->dvobjpriv.pusbdev;
+		struct usb_interface *pusb_intf = padapter->pusb_intf;
+		printk(KERN_ERR "r8712u: Firmware request failed\n");
+		padapter->fw_found = false;
+		usb_put_dev(udev);
+		usb_set_intfdata(pusb_intf, NULL);
+		return;
+	}
+	padapter->fw = firmware;
+	padapter->fw_found = true;
+	/* firmware available - start netdev */
+	register_netdev(padapter->pnetdev);
+}
+
+static const char firmware_file[] = "rtlwifi/rtl8712u.bin";
+
+int rtl871x_load_fw(struct _adapter *padapter)
+{
+	struct device *dev = &padapter->dvobjpriv.pusbdev->dev;
 	int rc;
-	const char firmware_file[] = "rtlwifi/rtl8712u.bin";
-	const struct firmware **praw = (const struct firmware **)
-				       (pphfwfile_hdl);
-	struct dvobj_priv *pdvobjpriv = (struct dvobj_priv *)
-					(&padapter->dvobjpriv);
-	struct usb_device *pusbdev = pdvobjpriv->pusbdev;
 
+	init_completion(&padapter->rtl8712_fw_ready);
 	printk(KERN_INFO "r8712u: Loading firmware from \"%s\"\n",
 	       firmware_file);
-	rc = request_firmware(praw, firmware_file, &pusbdev->dev);
-	if (rc < 0) {
-		printk(KERN_ERR "r8712u: Unable to load firmware\n");
-		printk(KERN_ERR "r8712u: Install latest linux-firmware\n");
+	rc = request_firmware_nowait(THIS_MODULE, 1, firmware_file, dev,
+				     GFP_KERNEL, padapter, rtl871x_load_fw_cb);
+	if (rc)
+		printk(KERN_ERR "r8712u: Firmware request error %d\n", rc);
+	return rc;
+}
+MODULE_FIRMWARE("rtlwifi/rtl8712u.bin");
+
+static u32 rtl871x_open_fw(struct _adapter *padapter, const u8 **ppmappedfw)
+{
+	const struct firmware **praw = &padapter->fw;
+
+	if (padapter->fw->size > 200000) {
+		printk(KERN_ERR "r8172u: Badfw->size of %d\n",
+		       (int)padapter->fw->size);
 		return 0;
 	}
 	*ppmappedfw = (u8 *)((*praw)->data);
 	return (*praw)->size;
 }
-MODULE_FIRMWARE("rtlwifi/rtl8712u.bin");
 
 static void fill_fwpriv(struct _adapter *padapter, struct fw_priv *pfwpriv)
 {
@@ -142,18 +169,17 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
 	uint dump_imem_sz, imem_sz, dump_emem_sz, emem_sz; /* max = 49152; */
 	struct fw_hdr fwhdr;
 	u32 ulfilelength;	/* FW file size */
-	void *phfwfile_hdl = NULL;
 	const u8 *pmappedfw = NULL;
 	u8 *ptmpchar = NULL, *ppayload, *ptr;
 	struct tx_desc *ptx_desc;
 	u32 txdscp_sz = sizeof(struct tx_desc);
 	u8 ret = _FAIL;
 
-	ulfilelength = rtl871x_open_fw(padapter, &phfwfile_hdl, &pmappedfw);
+	ulfilelength = rtl871x_open_fw(padapter, &pmappedfw);
 	if (pmappedfw && (ulfilelength > 0)) {
 		update_fwhdr(&fwhdr, pmappedfw);
 		if (chk_fwhdr(&fwhdr, ulfilelength) == _FAIL)
-			goto firmware_rel;
+			return ret;
 		fill_fwpriv(padapter, &fwhdr.fwpriv);
 		/* firmware check ok */
 		maxlen = (fwhdr.img_IMEM_size > fwhdr.img_SRAM_size) ?
@@ -161,7 +187,7 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
 		maxlen += txdscp_sz;
 		ptmpchar = _malloc(maxlen + FWBUFF_ALIGN_SZ);
 		if (ptmpchar == NULL)
-			goto firmware_rel;
+			return ret;
 
 		ptx_desc = (struct tx_desc *)(ptmpchar + FWBUFF_ALIGN_SZ -
 			    ((addr_t)(ptmpchar) & (FWBUFF_ALIGN_SZ - 1)));
@@ -297,8 +323,6 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
 
 exit_fail:
 	kfree(ptmpchar);
-firmware_rel:
-	release_firmware((struct firmware *)phfwfile_hdl);
 	return ret;
 }
 
diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index 9a75c6dbe505..98a3d684f9b2 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -31,6 +31,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kthread.h>
+#include <linux/firmware.h>
 #include "osdep_service.h"
 #include "drv_types.h"
 #include "xmit_osdep.h"
@@ -264,12 +265,12 @@ static void start_drv_timers(struct _adapter *padapter)
 void r8712_stop_drv_timers(struct _adapter *padapter)
 {
 	_cancel_timer_ex(&padapter->mlmepriv.assoc_timer);
-	_cancel_timer_ex(&padapter->mlmepriv.sitesurveyctrl.
-			 sitesurvey_ctrl_timer);
 	_cancel_timer_ex(&padapter->securitypriv.tkip_timer);
 	_cancel_timer_ex(&padapter->mlmepriv.scan_to_timer);
 	_cancel_timer_ex(&padapter->mlmepriv.dhcp_timer);
 	_cancel_timer_ex(&padapter->mlmepriv.wdg_timer);
+	_cancel_timer_ex(&padapter->mlmepriv.sitesurveyctrl.
+			 sitesurvey_ctrl_timer);
 }
 
 static u8 init_default_value(struct _adapter *padapter)
@@ -347,7 +348,8 @@ u8 r8712_free_drv_sw(struct _adapter *padapter)
 	r8712_free_mlme_priv(&padapter->mlmepriv);
 	r8712_free_io_queue(padapter);
 	_free_xmit_priv(&padapter->xmitpriv);
-	_r8712_free_sta_priv(&padapter->stapriv);
+	if (padapter->fw_found)
+		_r8712_free_sta_priv(&padapter->stapriv);
 	_r8712_free_recv_priv(&padapter->recvpriv);
 	mp871xdeinit(padapter);
 	if (pnetdev)
@@ -388,6 +390,7 @@ static int netdev_open(struct net_device *pnetdev)
 {
 	struct _adapter *padapter = (struct _adapter *)netdev_priv(pnetdev);
 
+	mutex_lock(&padapter->mutex_start);
 	if (padapter->bup == false) {
 		padapter->bDriverStopped = false;
 		padapter->bSurpriseRemoved = false;
@@ -435,11 +438,13 @@ static int netdev_open(struct net_device *pnetdev)
 	/* start driver mlme relation timer */
 	start_drv_timers(padapter);
 	padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
+	mutex_unlock(&padapter->mutex_start);
 	return 0;
 netdev_open_error:
 	padapter->bup = false;
 	netif_carrier_off(pnetdev);
 	netif_stop_queue(pnetdev);
+	mutex_unlock(&padapter->mutex_start);
 	return -1;
 }
 
@@ -473,6 +478,9 @@ static int netdev_close(struct net_device *pnetdev)
 	r8712_free_network_queue(padapter);
 	/* The interface is no longer Up: */
 	padapter->bup = false;
+	release_firmware(padapter->fw);
+	/* never exit with a firmware callback pending */
+	wait_for_completion(&padapter->rtl8712_fw_ready);
 	return 0;
 }
 
diff --git a/drivers/staging/rtl8712/rtl8712_hal.h b/drivers/staging/rtl8712/rtl8712_hal.h
index 665e71838172..d19865a5a50c 100644
--- a/drivers/staging/rtl8712/rtl8712_hal.h
+++ b/drivers/staging/rtl8712/rtl8712_hal.h
@@ -145,5 +145,6 @@ struct hal_priv {
 };
 
 uint	 rtl8712_hal_init(struct _adapter *padapter);
+int rtl871x_load_fw(struct _adapter *padapter);
 
 #endif
diff --git a/drivers/staging/rtl8712/rtl871x_sta_mgt.c b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
index 64f569618839..81bde803c59f 100644
--- a/drivers/staging/rtl8712/rtl871x_sta_mgt.c
+++ b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
@@ -43,6 +43,7 @@ static void _init_stainfo(struct sta_info *psta)
 	_r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
 	_r8712_init_sta_recv_priv(&psta->sta_recvpriv);
 #ifdef CONFIG_R8712_AP
+	_init_listhead(&psta->asoc_list);
 	_init_listhead(&psta->auth_list);
 #endif
 }
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index 5385da2e9cdb..9bade184883b 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -89,6 +89,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
 	{USB_DEVICE(0x0DF6, 0x0045)},
 	{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
 	{USB_DEVICE(0x0DF6, 0x004B)},
+	{USB_DEVICE(0x0DF6, 0x005B)},
 	{USB_DEVICE(0x0DF6, 0x005D)},
 	{USB_DEVICE(0x0DF6, 0x0063)},
 	/* Sweex */
@@ -389,6 +390,7 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf,
 	pdvobjpriv = &padapter->dvobjpriv;
 	pdvobjpriv->padapter = padapter;
 	padapter->dvobjpriv.pusbdev = udev;
+	padapter->pusb_intf = pusb_intf;
 	usb_set_intfdata(pusb_intf, pnetdev);
 	SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
 	/* step 2. */
@@ -595,10 +597,11 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf,
 			       "%pM\n", mac);
 		memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
 	}
-	/* step 6. Tell the network stack we exist */
-	if (register_netdev(pnetdev) != 0)
+	/* step 6. Load the firmware asynchronously */
+	if (rtl871x_load_fw(padapter))
 		goto error;
 	spin_lock_init(&padapter->lockRxFF0Filter);
+	mutex_init(&padapter->mutex_start);
 	return 0;
 error:
 	usb_put_dev(udev);
@@ -629,7 +632,8 @@ static void r871xu_dev_remove(struct usb_interface *pusb_intf)
 		flush_scheduled_work();
 		udelay(1);
 		/*Stop driver mlme relation timer */
-		r8712_stop_drv_timers(padapter);
+		if (padapter->fw_found)
+			r8712_stop_drv_timers(padapter);
 		r871x_dev_unload(padapter);
 		r8712_free_drv_sw(padapter);
 	}
diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index e1c4492a7105..dde559d06c43 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -1046,8 +1046,6 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt)
 
 	/* Free the driver's device context: */
 	kfree(drv_datap->base_img);
-	kfree(drv_datap);
-	dev_set_drvdata(bridge, NULL);
 	kfree((void *)dev_ctxt);
 	return status;
 }
diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index 76cfc6edecd9..385740bad0de 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -410,6 +410,9 @@ static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev)
 		DBC_ASSERT(ret == true);
 	}
 
+	kfree(drv_datap);
+	dev_set_drvdata(bridge, NULL);
+
 func_cont:
 	mem_ext_phys_pool_release();
 
@@ -500,35 +503,42 @@ static int bridge_open(struct inode *ip, struct file *filp)
 	}
 #endif
 	pr_ctxt = kzalloc(sizeof(struct process_context), GFP_KERNEL);
-	if (pr_ctxt) {
-		pr_ctxt->res_state = PROC_RES_ALLOCATED;
-		spin_lock_init(&pr_ctxt->dmm_map_lock);
-		INIT_LIST_HEAD(&pr_ctxt->dmm_map_list);
-		spin_lock_init(&pr_ctxt->dmm_rsv_lock);
-		INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list);
-
-		pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
-		if (pr_ctxt->node_id) {
-			idr_init(pr_ctxt->node_id);
-		} else {
-			status = -ENOMEM;
-			goto err;
-		}
+	if (!pr_ctxt)
+		return -ENOMEM;
+
+	pr_ctxt->res_state = PROC_RES_ALLOCATED;
+	spin_lock_init(&pr_ctxt->dmm_map_lock);
+	INIT_LIST_HEAD(&pr_ctxt->dmm_map_list);
+	spin_lock_init(&pr_ctxt->dmm_rsv_lock);
+	INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list);
 
-		pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
-		if (pr_ctxt->stream_id)
-			idr_init(pr_ctxt->stream_id);
-		else
-			status = -ENOMEM;
-	} else {
+	pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
+	if (!pr_ctxt->node_id) {
 		status = -ENOMEM;
+		goto err1;
 	}
-err:
+
+	idr_init(pr_ctxt->node_id);
+
+	pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
+	if (!pr_ctxt->stream_id) {
+		status = -ENOMEM;
+		goto err2;
+	}
+
+	idr_init(pr_ctxt->stream_id);
+
 	filp->private_data = pr_ctxt;
+
 #ifdef CONFIG_TIDSPBRIDGE_RECOVERY
-	if (!status)
-		atomic_inc(&bridge_cref);
+	atomic_inc(&bridge_cref);
 #endif
+	return 0;
+
+err2:
+	kfree(pr_ctxt->node_id);
+err1:
+	kfree(pr_ctxt);
 	return status;
 }
 
@@ -550,6 +560,8 @@ static int bridge_release(struct inode *ip, struct file *filp)
 	flush_signals(current);
 	drv_remove_all_resources(pr_ctxt);
 	proc_detach(pr_ctxt);
+	kfree(pr_ctxt->node_id);
+	kfree(pr_ctxt->stream_id);
 	kfree(pr_ctxt);
 
 	filp->private_data = NULL;
diff --git a/drivers/staging/usbip/stub_main.c b/drivers/staging/usbip/stub_main.c
index 2d6317850064..705a9e530a19 100644
--- a/drivers/staging/usbip/stub_main.c
+++ b/drivers/staging/usbip/stub_main.c
@@ -246,8 +246,9 @@ static int __init usbip_host_init(void)
 {
 	int ret;
 
-	stub_priv_cache = KMEM_CACHE(stub_priv, SLAB_HWCACHE_ALIGN);
+	init_busid_table();
 
+	stub_priv_cache = KMEM_CACHE(stub_priv, SLAB_HWCACHE_ALIGN);
 	if (!stub_priv_cache) {
 		pr_err("kmem_cache_create failed\n");
 		return -ENOMEM;
@@ -266,7 +267,6 @@ static int __init usbip_host_init(void)
 		goto err_create_file;
 	}
 
-	init_busid_table();
 	pr_info(DRIVER_DESC " v" USBIP_VERSION "\n");
 	return ret;
 
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index 642840c612ac..ef7c52bb1df9 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -358,8 +358,8 @@ static struct zbud_hdr *zbud_create(uint16_t client_id, uint16_t pool_id,
 	if (unlikely(zbpg == NULL))
 		goto out;
 	/* ok, have a page, now compress the data before taking locks */
-	spin_lock(&zbpg->lock);
 	spin_lock(&zbud_budlists_spinlock);
+	spin_lock(&zbpg->lock);
 	list_add_tail(&zbpg->bud_list, &zbud_unbuddied[nchunks].list);
 	zbud_unbuddied[nchunks].count++;
 	zh = &zbpg->buddy[0];
@@ -389,12 +389,11 @@ init_zh:
 	zh->oid = *oid;
 	zh->pool_id = pool_id;
 	zh->client_id = client_id;
-	/* can wait to copy the data until the list locks are dropped */
-	spin_unlock(&zbud_budlists_spinlock);
-
 	to = zbud_data(zh, size);
 	memcpy(to, cdata, size);
 	spin_unlock(&zbpg->lock);
+	spin_unlock(&zbud_budlists_spinlock);
+
 	zbud_cumul_chunk_counts[nchunks]++;
 	atomic_inc(&zcache_zbud_curr_zpages);
 	zcache_zbud_cumul_zpages++;
@@ -655,8 +654,8 @@ static unsigned int zv_max_zsize = (PAGE_SIZE / 8) * 7;
  */
 static unsigned int zv_max_mean_zsize = (PAGE_SIZE / 8) * 5;
 
-static unsigned long zv_curr_dist_counts[NCHUNKS];
-static unsigned long zv_cumul_dist_counts[NCHUNKS];
+static atomic_t zv_curr_dist_counts[NCHUNKS];
+static atomic_t zv_cumul_dist_counts[NCHUNKS];
 
 static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id,
 				struct tmem_oid *oid, uint32_t index,
@@ -675,8 +674,8 @@ static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id,
 			&page, &offset, ZCACHE_GFP_MASK);
 	if (unlikely(ret))
 		goto out;
-	zv_curr_dist_counts[chunks]++;
-	zv_cumul_dist_counts[chunks]++;
+	atomic_inc(&zv_curr_dist_counts[chunks]);
+	atomic_inc(&zv_cumul_dist_counts[chunks]);
 	zv = kmap_atomic(page, KM_USER0) + offset;
 	zv->index = index;
 	zv->oid = *oid;
@@ -698,7 +697,7 @@ static void zv_free(struct xv_pool *xvpool, struct zv_hdr *zv)
 
 	ASSERT_SENTINEL(zv, ZVH);
 	BUG_ON(chunks >= NCHUNKS);
-	zv_curr_dist_counts[chunks]--;
+	atomic_dec(&zv_curr_dist_counts[chunks]);
 	size -= sizeof(*zv);
 	BUG_ON(size == 0);
 	INVERT_SENTINEL(zv, ZVH);
@@ -738,7 +737,7 @@ static int zv_curr_dist_counts_show(char *buf)
 	char *p = buf;
 
 	for (i = 0; i < NCHUNKS; i++) {
-		n = zv_curr_dist_counts[i];
+		n = atomic_read(&zv_curr_dist_counts[i]);
 		p += sprintf(p, "%lu ", n);
 		chunks += n;
 		sum_total_chunks += i * n;
@@ -754,7 +753,7 @@ static int zv_cumul_dist_counts_show(char *buf)
 	char *p = buf;
 
 	for (i = 0; i < NCHUNKS; i++) {
-		n = zv_cumul_dist_counts[i];
+		n = atomic_read(&zv_cumul_dist_counts[i]);
 		p += sprintf(p, "%lu ", n);
 		chunks += n;
 		sum_total_chunks += i * n;
@@ -1782,9 +1781,9 @@ static int zcache_frontswap_poolid = -1;
  * Swizzling increases objects per swaptype, increasing tmem concurrency
  * for heavy swaploads.  Later, larger nr_cpus -> larger SWIZ_BITS
  * Setting SWIZ_BITS to 27 basically reconstructs the swap entry from
- * frontswap_get_page()
+ * frontswap_get_page(), but has side-effects. Hence using 8.
  */
-#define SWIZ_BITS		27
+#define SWIZ_BITS		8
 #define SWIZ_MASK		((1 << SWIZ_BITS) - 1)
 #define _oswiz(_type, _ind)	((_type << SWIZ_BITS) | (_ind & SWIZ_MASK))
 #define iswiz(_ind)		(_ind >> SWIZ_BITS)
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index ac44af165b27..44262908def5 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1061,7 +1061,7 @@ attach_cmd:
 	if (ret < 0)
 		return iscsit_add_reject_from_cmd(
 				ISCSI_REASON_BOOKMARK_NO_RESOURCES,
-				1, 1, buf, cmd);
+				1, 0, buf, cmd);
 	/*
 	 * Check the CmdSN against ExpCmdSN/MaxCmdSN here if
 	 * the Immediate Bit is not set, and no Immediate
@@ -3164,6 +3164,30 @@ static int iscsit_send_task_mgt_rsp(
 	return 0;
 }
 
+static bool iscsit_check_inaddr_any(struct iscsi_np *np)
+{
+	bool ret = false;
+
+	if (np->np_sockaddr.ss_family == AF_INET6) {
+		const struct sockaddr_in6 sin6 = {
+			.sin6_addr = IN6ADDR_ANY_INIT };
+		struct sockaddr_in6 *sock_in6 =
+			 (struct sockaddr_in6 *)&np->np_sockaddr;
+
+		if (!memcmp(sock_in6->sin6_addr.s6_addr,
+				sin6.sin6_addr.s6_addr, 16))
+			ret = true;
+	} else {
+		struct sockaddr_in * sock_in =
+			(struct sockaddr_in *)&np->np_sockaddr;
+
+		if (sock_in->sin_addr.s_addr == INADDR_ANY)
+			ret = true;
+	}
+
+	return ret;
+}
+
 static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
 {
 	char *payload = NULL;
@@ -3213,12 +3237,17 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
 			spin_lock(&tpg->tpg_np_lock);
 			list_for_each_entry(tpg_np, &tpg->tpg_gnp_list,
 						tpg_np_list) {
+				struct iscsi_np *np = tpg_np->tpg_np;
+				bool inaddr_any = iscsit_check_inaddr_any(np);
+
 				len = sprintf(buf, "TargetAddress="
 					"%s%s%s:%hu,%hu",
-					(tpg_np->tpg_np->np_sockaddr.ss_family == AF_INET6) ?
-					"[" : "", tpg_np->tpg_np->np_ip,
-					(tpg_np->tpg_np->np_sockaddr.ss_family == AF_INET6) ?
-					"]" : "", tpg_np->tpg_np->np_port,
+					(np->np_sockaddr.ss_family == AF_INET6) ?
+					"[" : "", (inaddr_any == false) ?
+						np->np_ip : conn->local_ip,
+					(np->np_sockaddr.ss_family == AF_INET6) ?
+					"]" : "", (inaddr_any == false) ?
+						np->np_port : conn->local_port,
 					tpg->tpgt);
 				len += 1;
 
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 3468caab47a2..6b35b37988ed 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -21,6 +21,7 @@
 
 #include <linux/configfs.h>
 #include <linux/export.h>
+#include <linux/inet.h>
 #include <target/target_core_base.h>
 #include <target/target_core_fabric.h>
 #include <target/target_core_fabric_configfs.h>
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index f1a02dad05a0..0ec3b77a0c27 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -508,6 +508,7 @@ struct iscsi_conn {
 	u16			cid;
 	/* Remote TCP Port */
 	u16			login_port;
+	u16			local_port;
 	int			net_size;
 	u32			auth_id;
 #define CONNFLAG_SCTP_STRUCT_FILE			0x01
@@ -527,6 +528,7 @@ struct iscsi_conn {
 	unsigned char		bad_hdr[ISCSI_HDR_LEN];
 #define IPV6_ADDRESS_SPACE				48
 	unsigned char		login_ip[IPV6_ADDRESS_SPACE];
+	unsigned char		local_ip[IPV6_ADDRESS_SPACE];
 	int			conn_usage_count;
 	int			conn_waiting_on_uc;
 	atomic_t		check_immediate_queue;
@@ -561,8 +563,8 @@ struct iscsi_conn {
 	struct hash_desc	conn_tx_hash;
 	/* Used for scheduling TX and RX connection kthreads */
 	cpumask_var_t		conn_cpumask;
-	int			conn_rx_reset_cpumask:1;
-	int			conn_tx_reset_cpumask:1;
+	unsigned int		conn_rx_reset_cpumask:1;
+	unsigned int		conn_tx_reset_cpumask:1;
 	/* list_head of struct iscsi_cmd for this connection */
 	struct list_head	conn_cmd_list;
 	struct list_head	immed_queue_list;
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index 255c0d67e898..27901e37c125 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -1238,7 +1238,7 @@ void iscsit_mod_dataout_timer(struct iscsi_cmd *cmd)
 {
 	struct iscsi_conn *conn = cmd->conn;
 	struct iscsi_session *sess = conn->sess;
-	struct iscsi_node_attrib *na = na = iscsit_tpg_get_node_attrib(sess);
+	struct iscsi_node_attrib *na = iscsit_tpg_get_node_attrib(sess);
 
 	spin_lock_bh(&cmd->dataout_timeout_lock);
 	if (!(cmd->dataout_timer_flags & ISCSI_TF_RUNNING)) {
@@ -1261,7 +1261,7 @@ void iscsit_start_dataout_timer(
 	struct iscsi_conn *conn)
 {
 	struct iscsi_session *sess = conn->sess;
-	struct iscsi_node_attrib *na = na = iscsit_tpg_get_node_attrib(sess);
+	struct iscsi_node_attrib *na = iscsit_tpg_get_node_attrib(sess);
 
 	if (cmd->dataout_timer_flags & ISCSI_TF_RUNNING)
 		return;
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 373b0cc6abd8..38cb7ce8469e 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -615,8 +615,8 @@ static int iscsi_post_login_handler(
 		}
 
 		pr_debug("iSCSI Login successful on CID: %hu from %s to"
-			" %s:%hu,%hu\n", conn->cid, conn->login_ip, np->np_ip,
-				np->np_port, tpg->tpgt);
+			" %s:%hu,%hu\n", conn->cid, conn->login_ip,
+			conn->local_ip, conn->local_port, tpg->tpgt);
 
 		list_add_tail(&conn->conn_list, &sess->sess_conn_list);
 		atomic_inc(&sess->nconn);
@@ -658,7 +658,8 @@ static int iscsi_post_login_handler(
 	sess->session_state = TARG_SESS_STATE_LOGGED_IN;
 
 	pr_debug("iSCSI Login successful on CID: %hu from %s to %s:%hu,%hu\n",
-		conn->cid, conn->login_ip, np->np_ip, np->np_port, tpg->tpgt);
+		conn->cid, conn->login_ip, conn->local_ip, conn->local_port,
+		tpg->tpgt);
 
 	spin_lock_bh(&sess->conn_lock);
 	list_add_tail(&conn->conn_list, &sess->sess_conn_list);
@@ -841,6 +842,14 @@ int iscsi_target_setup_login_socket(
 		goto fail;
 	}
 
+	ret = kernel_setsockopt(sock, IPPROTO_IP, IP_FREEBIND,
+			(char *)&opt, sizeof(opt));
+	if (ret < 0) {
+		pr_err("kernel_setsockopt() for IP_FREEBIND"
+			" failed\n");
+		goto fail;
+	}
+
 	ret = kernel_bind(sock, (struct sockaddr *)&np->np_sockaddr, len);
 	if (ret < 0) {
 		pr_err("kernel_bind() failed: %d\n", ret);
@@ -1020,6 +1029,18 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
 		snprintf(conn->login_ip, sizeof(conn->login_ip), "%pI6c",
 				&sock_in6.sin6_addr.in6_u);
 		conn->login_port = ntohs(sock_in6.sin6_port);
+
+		if (conn->sock->ops->getname(conn->sock,
+				(struct sockaddr *)&sock_in6, &err, 0) < 0) {
+			pr_err("sock_ops->getname() failed.\n");
+			iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
+					ISCSI_LOGIN_STATUS_TARGET_ERROR);
+			goto new_sess_out;
+		}
+		snprintf(conn->local_ip, sizeof(conn->local_ip), "%pI6c",
+				&sock_in6.sin6_addr.in6_u);
+		conn->local_port = ntohs(sock_in6.sin6_port);
+
 	} else {
 		memset(&sock_in, 0, sizeof(struct sockaddr_in));
 
@@ -1032,6 +1053,16 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
 		}
 		sprintf(conn->login_ip, "%pI4", &sock_in.sin_addr.s_addr);
 		conn->login_port = ntohs(sock_in.sin_port);
+
+		if (conn->sock->ops->getname(conn->sock,
+				(struct sockaddr *)&sock_in, &err, 0) < 0) {
+			pr_err("sock_ops->getname() failed.\n");
+			iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
+					ISCSI_LOGIN_STATUS_TARGET_ERROR);
+			goto new_sess_out;
+		}
+		sprintf(conn->local_ip, "%pI4", &sock_in.sin_addr.s_addr);
+		conn->local_port = ntohs(sock_in.sin_port);
 	}
 
 	conn->network_transport = np->np_network_transport;
@@ -1039,7 +1070,7 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
 	pr_debug("Received iSCSI login request from %s on %s Network"
 			" Portal %s:%hu\n", conn->login_ip,
 		(conn->network_transport == ISCSI_TCP) ? "TCP" : "SCTP",
-			np->np_ip, np->np_port);
+			conn->local_ip, conn->local_port);
 
 	pr_debug("Moving to TARG_CONN_STATE_IN_LOGIN.\n");
 	conn->conn_state	= TARG_CONN_STATE_IN_LOGIN;
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index a05ca1c4f01c..11287e1ece13 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -849,6 +849,17 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd)
 	case ISCSI_OP_SCSI_TMFUNC:
 		transport_generic_free_cmd(&cmd->se_cmd, 1);
 		break;
+	case ISCSI_OP_REJECT:
+		/*
+		 * Handle special case for REJECT when iscsi_add_reject*() has
+		 * overwritten the original iscsi_opcode assignment, and the
+		 * associated cmd->se_cmd needs to be released.
+		 */
+		if (cmd->se_cmd.se_tfo != NULL) {
+			transport_generic_free_cmd(&cmd->se_cmd, 1);
+			break;
+		}
+		/* Fall-through */
 	default:
 		iscsit_release_cmd(cmd);
 		break;
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 1b1edd14f4bf..01a2691dfb47 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -78,7 +78,7 @@ int target_emulate_report_target_port_groups(struct se_task *task)
 		return -EINVAL;
 	}
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
 	list_for_each_entry(tg_pt_gp, &su_dev->t10_alua.tg_pt_gps_list,
@@ -163,7 +163,7 @@ int target_emulate_report_target_port_groups(struct se_task *task)
 	buf[2] = ((rd_len >> 8) & 0xff);
 	buf[3] = (rd_len & 0xff);
 
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	task->task_scsi_status = GOOD;
 	transport_complete_task(task, 1);
@@ -194,7 +194,7 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 		return -EINVAL;
 	}
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	/*
 	 * Determine if explict ALUA via SET_TARGET_PORT_GROUPS is allowed
@@ -351,7 +351,7 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 	}
 
 out:
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 	task->task_scsi_status = GOOD;
 	transport_complete_task(task, 1);
 	return 0;
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 2f2235edefff..f3d71fa88a28 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -83,7 +83,7 @@ target_emulate_inquiry_std(struct se_cmd *cmd)
 		return -EINVAL;
 	}
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	if (dev == tpg->tpg_virt_lun0.lun_se_dev) {
 		buf[0] = 0x3f; /* Not connected */
@@ -134,7 +134,7 @@ target_emulate_inquiry_std(struct se_cmd *cmd)
 	buf[4] = 31; /* Set additional length to 31 */
 
 out:
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 	return 0;
 }
 
@@ -698,6 +698,13 @@ int target_emulate_inquiry(struct se_task *task)
 	int p, ret;
 
 	if (!(cdb[1] & 0x1)) {
+		if (cdb[2]) {
+			pr_err("INQUIRY with EVPD==0 but PAGE CODE=%02x\n",
+			       cdb[2]);
+			cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+			return -EINVAL;
+		}
+
 		ret = target_emulate_inquiry_std(cmd);
 		goto out;
 	}
@@ -716,7 +723,7 @@ int target_emulate_inquiry(struct se_task *task)
 		return -EINVAL;
 	}
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	buf[0] = dev->transport->get_device_type(dev);
 
@@ -729,11 +736,11 @@ int target_emulate_inquiry(struct se_task *task)
 	}
 
 	pr_err("Unknown VPD Code: 0x%02x\n", cdb[2]);
-	cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+	cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
 	ret = -EINVAL;
 
 out_unmap:
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 out:
 	if (!ret) {
 		task->task_scsi_status = GOOD;
@@ -755,7 +762,7 @@ int target_emulate_readcapacity(struct se_task *task)
 	else
 		blocks = (u32)blocks_long;
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	buf[0] = (blocks >> 24) & 0xff;
 	buf[1] = (blocks >> 16) & 0xff;
@@ -771,7 +778,7 @@ int target_emulate_readcapacity(struct se_task *task)
 	if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws)
 		put_unaligned_be32(0xFFFFFFFF, &buf[0]);
 
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	task->task_scsi_status = GOOD;
 	transport_complete_task(task, 1);
@@ -785,7 +792,7 @@ int target_emulate_readcapacity_16(struct se_task *task)
 	unsigned char *buf;
 	unsigned long long blocks = dev->transport->get_blocks(dev);
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	buf[0] = (blocks >> 56) & 0xff;
 	buf[1] = (blocks >> 48) & 0xff;
@@ -806,7 +813,7 @@ int target_emulate_readcapacity_16(struct se_task *task)
 	if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws)
 		buf[14] = 0x80;
 
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	task->task_scsi_status = GOOD;
 	transport_complete_task(task, 1);
@@ -1019,9 +1026,9 @@ int target_emulate_modesense(struct se_task *task)
 			offset = cmd->data_length;
 	}
 
-	rbuf = transport_kmap_first_data_page(cmd);
+	rbuf = transport_kmap_data_sg(cmd);
 	memcpy(rbuf, buf, offset);
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	task->task_scsi_status = GOOD;
 	transport_complete_task(task, 1);
@@ -1043,7 +1050,7 @@ int target_emulate_request_sense(struct se_task *task)
 		return -ENOSYS;
 	}
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) {
 		/*
@@ -1051,11 +1058,8 @@ int target_emulate_request_sense(struct se_task *task)
 		 */
 		buf[0] = 0x70;
 		buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
-		/*
-		 * Make sure request data length is enough for additional
-		 * sense data.
-		 */
-		if (cmd->data_length <= 18) {
+
+		if (cmd->data_length < 18) {
 			buf[7] = 0x00;
 			err = -EINVAL;
 			goto end;
@@ -1072,11 +1076,8 @@ int target_emulate_request_sense(struct se_task *task)
 		 */
 		buf[0] = 0x70;
 		buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE;
-		/*
-		 * Make sure request data length is enough for additional
-		 * sense data.
-		 */
-		if (cmd->data_length <= 18) {
+
+		if (cmd->data_length < 18) {
 			buf[7] = 0x00;
 			err = -EINVAL;
 			goto end;
@@ -1089,7 +1090,7 @@ int target_emulate_request_sense(struct se_task *task)
 	}
 
 end:
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 	task->task_scsi_status = GOOD;
 	transport_complete_task(task, 1);
 	return 0;
@@ -1123,7 +1124,7 @@ int target_emulate_unmap(struct se_task *task)
 	dl = get_unaligned_be16(&cdb[0]);
 	bd_dl = get_unaligned_be16(&cdb[2]);
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	ptr = &buf[offset];
 	pr_debug("UNMAP: Sub: %s Using dl: %hu bd_dl: %hu size: %hu"
@@ -1147,7 +1148,7 @@ int target_emulate_unmap(struct se_task *task)
 	}
 
 err:
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 	if (!ret) {
 		task->task_scsi_status = GOOD;
 		transport_complete_task(task, 1);
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 0955bb8979fb..6e043eeb1db9 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -1704,13 +1704,15 @@ static ssize_t target_core_store_dev_alias(
 		return -EINVAL;
 	}
 
-	se_dev->su_dev_flags |= SDF_USING_ALIAS;
 	read_bytes = snprintf(&se_dev->se_dev_alias[0], SE_DEV_ALIAS_LEN,
 			"%s", page);
-
+	if (!read_bytes)
+		return -EINVAL;
 	if (se_dev->se_dev_alias[read_bytes - 1] == '\n')
 		se_dev->se_dev_alias[read_bytes - 1] = '\0';
 
+	se_dev->su_dev_flags |= SDF_USING_ALIAS;
+
 	pr_debug("Target_Core_ConfigFS: %s/%s set alias: %s\n",
 		config_item_name(&hba->hba_group.cg_item),
 		config_item_name(&se_dev->se_dev_group.cg_item),
@@ -1753,13 +1755,15 @@ static ssize_t target_core_store_dev_udev_path(
 		return -EINVAL;
 	}
 
-	se_dev->su_dev_flags |= SDF_USING_UDEV_PATH;
 	read_bytes = snprintf(&se_dev->se_dev_udev_path[0], SE_UDEV_PATH_LEN,
 			"%s", page);
-
+	if (!read_bytes)
+		return -EINVAL;
 	if (se_dev->se_dev_udev_path[read_bytes - 1] == '\n')
 		se_dev->se_dev_udev_path[read_bytes - 1] = '\0';
 
+	se_dev->su_dev_flags |= SDF_USING_UDEV_PATH;
+
 	pr_debug("Target_Core_ConfigFS: %s/%s set udev_path: %s\n",
 		config_item_name(&hba->hba_group.cg_item),
 		config_item_name(&se_dev->se_dev_group.cg_item),
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 0c5992f0d946..edbcabbf85f7 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -320,11 +320,12 @@ int core_free_device_list_for_node(
 void core_dec_lacl_count(struct se_node_acl *se_nacl, struct se_cmd *se_cmd)
 {
 	struct se_dev_entry *deve;
+	unsigned long flags;
 
-	spin_lock_irq(&se_nacl->device_list_lock);
+	spin_lock_irqsave(&se_nacl->device_list_lock, flags);
 	deve = &se_nacl->device_list[se_cmd->orig_fe_lun];
 	deve->deve_cmds--;
-	spin_unlock_irq(&se_nacl->device_list_lock);
+	spin_unlock_irqrestore(&se_nacl->device_list_lock, flags);
 }
 
 void core_update_device_list_access(
@@ -656,7 +657,7 @@ int target_report_luns(struct se_task *se_task)
 	unsigned char *buf;
 	u32 cdb_offset = 0, lun_count = 0, offset = 8, i;
 
-	buf = transport_kmap_first_data_page(se_cmd);
+	buf = (unsigned char *) transport_kmap_data_sg(se_cmd);
 
 	/*
 	 * If no struct se_session pointer is present, this struct se_cmd is
@@ -694,7 +695,7 @@ int target_report_luns(struct se_task *se_task)
 	 * See SPC3 r07, page 159.
 	 */
 done:
-	transport_kunmap_first_data_page(se_cmd);
+	transport_kunmap_data_sg(se_cmd);
 	lun_count *= 8;
 	buf[0] = ((lun_count >> 24) & 0xff);
 	buf[1] = ((lun_count >> 16) & 0xff);
@@ -1294,24 +1295,26 @@ struct se_lun *core_dev_add_lun(
 {
 	struct se_lun *lun_p;
 	u32 lun_access = 0;
+	int rc;
 
 	if (atomic_read(&dev->dev_access_obj.obj_access_count) != 0) {
 		pr_err("Unable to export struct se_device while dev_access_obj: %d\n",
 			atomic_read(&dev->dev_access_obj.obj_access_count));
-		return NULL;
+		return ERR_PTR(-EACCES);
 	}
 
 	lun_p = core_tpg_pre_addlun(tpg, lun);
-	if ((IS_ERR(lun_p)) || !lun_p)
-		return NULL;
+	if (IS_ERR(lun_p))
+		return lun_p;
 
 	if (dev->dev_flags & DF_READ_ONLY)
 		lun_access = TRANSPORT_LUNFLAGS_READ_ONLY;
 	else
 		lun_access = TRANSPORT_LUNFLAGS_READ_WRITE;
 
-	if (core_tpg_post_addlun(tpg, lun_p, lun_access, dev) < 0)
-		return NULL;
+	rc = core_tpg_post_addlun(tpg, lun_p, lun_access, dev);
+	if (rc < 0)
+		return ERR_PTR(rc);
 
 	pr_debug("%s_TPG[%u]_LUN[%u] - Activated %s Logical Unit from"
 		" CORE HBA: %u\n", tpg->se_tpg_tfo->get_fabric_name(),
@@ -1348,11 +1351,10 @@ int core_dev_del_lun(
 	u32 unpacked_lun)
 {
 	struct se_lun *lun;
-	int ret = 0;
 
-	lun = core_tpg_pre_dellun(tpg, unpacked_lun, &ret);
-	if (!lun)
-		return ret;
+	lun = core_tpg_pre_dellun(tpg, unpacked_lun);
+	if (IS_ERR(lun))
+		return PTR_ERR(lun);
 
 	core_tpg_post_dellun(tpg, lun);
 
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index 4f77cce22646..9a2ce11e1a6e 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -766,9 +766,9 @@ static int target_fabric_port_link(
 
 	lun_p = core_dev_add_lun(se_tpg, dev->se_hba, dev,
 				lun->unpacked_lun);
-	if (IS_ERR(lun_p) || !lun_p) {
+	if (IS_ERR(lun_p)) {
 		pr_err("core_dev_add_lun() failed\n");
-		ret = -EINVAL;
+		ret = PTR_ERR(lun_p);
 		goto out;
 	}
 
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index cc8e6b58ef20..8572eae62da7 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -129,7 +129,7 @@ static struct se_device *iblock_create_virtdevice(
 	/*
 	 * These settings need to be made tunable..
 	 */
-	ib_dev->ibd_bio_set = bioset_create(32, 64);
+	ib_dev->ibd_bio_set = bioset_create(32, 0);
 	if (!ib_dev->ibd_bio_set) {
 		pr_err("IBLOCK: Unable to create bioset()\n");
 		return ERR_PTR(-ENOMEM);
@@ -181,7 +181,7 @@ static struct se_device *iblock_create_virtdevice(
 		 */
 		dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count = 1;
 		dev->se_sub_dev->se_dev_attrib.unmap_granularity =
-				q->limits.discard_granularity;
+				q->limits.discard_granularity >> 9;
 		dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment =
 				q->limits.discard_alignment;
 
@@ -488,6 +488,13 @@ iblock_get_bio(struct se_task *task, sector_t lba, u32 sg_num)
 	struct iblock_req *ib_req = IBLOCK_REQ(task);
 	struct bio *bio;
 
+	/*
+	 * Only allocate as many vector entries as the bio code allows us to,
+	 * we'll loop later on until we have handled the whole request.
+	 */
+	if (sg_num > BIO_MAX_PAGES)
+		sg_num = BIO_MAX_PAGES;
+
 	bio = bio_alloc_bioset(GFP_NOIO, sg_num, ib_dev->ibd_bio_set);
 	if (!bio) {
 		pr_err("Unable to allocate memory for bio\n");
diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h
index 26f135e94f6e..45001364788a 100644
--- a/drivers/target/target_core_internal.h
+++ b/drivers/target/target_core_internal.h
@@ -90,7 +90,7 @@ void	core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
 struct se_lun *core_tpg_pre_addlun(struct se_portal_group *, u32);
 int	core_tpg_post_addlun(struct se_portal_group *, struct se_lun *,
 		u32, void *);
-struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32, int *);
+struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32 unpacked_lun);
 int	core_tpg_post_dellun(struct se_portal_group *, struct se_lun *);
 
 /* target_core_transport.c */
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 429ad7291664..b7c779389eea 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -478,6 +478,7 @@ static int core_scsi3_pr_seq_non_holder(
 	case READ_MEDIA_SERIAL_NUMBER:
 	case REPORT_LUNS:
 	case REQUEST_SENSE:
+	case PERSISTENT_RESERVE_IN:
 		ret = 0; /*/ Allowed CDBs */
 		break;
 	default:
@@ -1534,7 +1535,7 @@ static int core_scsi3_decode_spec_i_port(
 	tidh_new->dest_local_nexus = 1;
 	list_add_tail(&tidh_new->dest_list, &tid_dest_list);
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 	/*
 	 * For a PERSISTENT RESERVE OUT specify initiator ports payload,
 	 * first extract TransportID Parameter Data Length, and make sure
@@ -1785,7 +1786,7 @@ static int core_scsi3_decode_spec_i_port(
 
 	}
 
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	/*
 	 * Go ahead and create a registrations from tid_dest_list for the
@@ -1833,7 +1834,7 @@ static int core_scsi3_decode_spec_i_port(
 
 	return 0;
 out:
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 	/*
 	 * For the failure case, release everything from tid_dest_list
 	 * including *dest_pr_reg and the configfs dependances..
@@ -3120,7 +3121,7 @@ static int core_scsi3_pro_preempt(
 			if (!calling_it_nexus)
 				core_scsi3_ua_allocate(pr_reg_nacl,
 					pr_res_mapped_lun, 0x2A,
-					ASCQ_2AH_RESERVATIONS_PREEMPTED);
+					ASCQ_2AH_REGISTRATIONS_PREEMPTED);
 		}
 		spin_unlock(&pr_tmpl->registration_lock);
 		/*
@@ -3233,7 +3234,7 @@ static int core_scsi3_pro_preempt(
 		 *    additional sense code set to REGISTRATIONS PREEMPTED;
 		 */
 		core_scsi3_ua_allocate(pr_reg_nacl, pr_res_mapped_lun, 0x2A,
-				ASCQ_2AH_RESERVATIONS_PREEMPTED);
+				ASCQ_2AH_REGISTRATIONS_PREEMPTED);
 	}
 	spin_unlock(&pr_tmpl->registration_lock);
 	/*
@@ -3410,14 +3411,14 @@ static int core_scsi3_emulate_pro_register_and_move(
 	 * will be moved to for the TransportID containing SCSI initiator WWN
 	 * information.
 	 */
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 	rtpi = (buf[18] & 0xff) << 8;
 	rtpi |= buf[19] & 0xff;
 	tid_len = (buf[20] & 0xff) << 24;
 	tid_len |= (buf[21] & 0xff) << 16;
 	tid_len |= (buf[22] & 0xff) << 8;
 	tid_len |= buf[23] & 0xff;
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 	buf = NULL;
 
 	if ((tid_len + 24) != cmd->data_length) {
@@ -3469,7 +3470,7 @@ static int core_scsi3_emulate_pro_register_and_move(
 		return -EINVAL;
 	}
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 	proto_ident = (buf[24] & 0x0f);
 #if 0
 	pr_debug("SPC-3 PR REGISTER_AND_MOVE: Extracted Protocol Identifier:"
@@ -3503,7 +3504,7 @@ static int core_scsi3_emulate_pro_register_and_move(
 		goto out;
 	}
 
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 	buf = NULL;
 
 	pr_debug("SPC-3 PR [%s] Extracted initiator %s identifier: %s"
@@ -3768,13 +3769,13 @@ after_iport_check:
 					" REGISTER_AND_MOVE\n");
 	}
 
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	core_scsi3_put_pr_reg(dest_pr_reg);
 	return 0;
 out:
 	if (buf)
-		transport_kunmap_first_data_page(cmd);
+		transport_kunmap_data_sg(cmd);
 	if (dest_se_deve)
 		core_scsi3_lunacl_undepend_item(dest_se_deve);
 	if (dest_node_acl)
@@ -3848,7 +3849,7 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
 	scope = (cdb[2] & 0xf0);
 	type = (cdb[2] & 0x0f);
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 	/*
 	 * From PERSISTENT_RESERVE_OUT parameter list (payload)
 	 */
@@ -3866,7 +3867,7 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
 		aptpl = (buf[17] & 0x01);
 		unreg = (buf[17] & 0x02);
 	}
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 	buf = NULL;
 
 	/*
@@ -3966,7 +3967,7 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd)
 		return -EINVAL;
 	}
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 	buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff);
 	buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff);
 	buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff);
@@ -4000,7 +4001,7 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd)
 	buf[6] = ((add_len >> 8) & 0xff);
 	buf[7] = (add_len & 0xff);
 
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	return 0;
 }
@@ -4026,7 +4027,7 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd)
 		return -EINVAL;
 	}
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 	buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff);
 	buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff);
 	buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff);
@@ -4085,7 +4086,7 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd)
 
 err:
 	spin_unlock(&se_dev->dev_reservation_lock);
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	return 0;
 }
@@ -4109,7 +4110,7 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd)
 		return -EINVAL;
 	}
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	buf[0] = ((add_len << 8) & 0xff);
 	buf[1] = (add_len & 0xff);
@@ -4141,7 +4142,7 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd)
 	buf[4] |= 0x02; /* PR_TYPE_WRITE_EXCLUSIVE */
 	buf[5] |= 0x01; /* PR_TYPE_EXCLUSIVE_ACCESS_ALLREG */
 
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	return 0;
 }
@@ -4171,7 +4172,7 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd)
 		return -EINVAL;
 	}
 
-	buf = transport_kmap_first_data_page(cmd);
+	buf = transport_kmap_data_sg(cmd);
 
 	buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff);
 	buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff);
@@ -4292,7 +4293,7 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd)
 	buf[6] = ((add_len >> 8) & 0xff);
 	buf[7] = (add_len & 0xff);
 
-	transport_kunmap_first_data_page(cmd);
+	transport_kunmap_data_sg(cmd);
 
 	return 0;
 }
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index d35467d42e12..8d4def30e9e8 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -693,7 +693,7 @@ static int pscsi_transport_complete(struct se_task *task)
 
 		if (task->task_se_cmd->se_deve->lun_flags &
 				TRANSPORT_LUNFLAGS_READ_ONLY) {
-			unsigned char *buf = transport_kmap_first_data_page(task->task_se_cmd);
+			unsigned char *buf = transport_kmap_data_sg(task->task_se_cmd);
 
 			if (cdb[0] == MODE_SENSE_10) {
 				if (!(buf[3] & 0x80))
@@ -703,7 +703,7 @@ static int pscsi_transport_complete(struct se_task *task)
 					buf[2] |= 0x80;
 			}
 
-			transport_kunmap_first_data_page(task->task_se_cmd);
+			transport_kunmap_data_sg(task->task_se_cmd);
 		}
 	}
 after_mode_sense:
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index b7668029bb31..06336ecd872d 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -807,8 +807,7 @@ static void core_tpg_shutdown_lun(
 
 struct se_lun *core_tpg_pre_dellun(
 	struct se_portal_group *tpg,
-	u32 unpacked_lun,
-	int *ret)
+	u32 unpacked_lun)
 {
 	struct se_lun *lun;
 
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index d3ddd1361949..58cea07b12fb 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1255,32 +1255,34 @@ static void core_setup_task_attr_emulation(struct se_device *dev)
 static void scsi_dump_inquiry(struct se_device *dev)
 {
 	struct t10_wwn *wwn = &dev->se_sub_dev->t10_wwn;
+	char buf[17];
 	int i, device_type;
 	/*
 	 * Print Linux/SCSI style INQUIRY formatting to the kernel ring buffer
 	 */
-	pr_debug("  Vendor: ");
 	for (i = 0; i < 8; i++)
 		if (wwn->vendor[i] >= 0x20)
-			pr_debug("%c", wwn->vendor[i]);
+			buf[i] = wwn->vendor[i];
 		else
-			pr_debug(" ");
+			buf[i] = ' ';
+	buf[i] = '\0';
+	pr_debug("  Vendor: %s\n", buf);
 
-	pr_debug("  Model: ");
 	for (i = 0; i < 16; i++)
 		if (wwn->model[i] >= 0x20)
-			pr_debug("%c", wwn->model[i]);
+			buf[i] = wwn->model[i];
 		else
-			pr_debug(" ");
+			buf[i] = ' ';
+	buf[i] = '\0';
+	pr_debug("  Model: %s\n", buf);
 
-	pr_debug("  Revision: ");
 	for (i = 0; i < 4; i++)
 		if (wwn->revision[i] >= 0x20)
-			pr_debug("%c", wwn->revision[i]);
+			buf[i] = wwn->revision[i];
 		else
-			pr_debug(" ");
-
-	pr_debug("\n");
+			buf[i] = ' ';
+	buf[i] = '\0';
+	pr_debug("  Revision: %s\n", buf);
 
 	device_type = dev->transport->get_device_type(dev);
 	pr_debug("  Type:   %s ", scsi_device_type(device_type));
@@ -1655,7 +1657,7 @@ EXPORT_SYMBOL(transport_handle_cdb_direct);
  * This may only be called from process context, and also currently
  * assumes internal allocation of fabric payload buffer by target-core.
  **/
-int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
+void target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
 		unsigned char *cdb, unsigned char *sense, u32 unpacked_lun,
 		u32 data_length, int task_attr, int data_dir, int flags)
 {
@@ -1688,15 +1690,21 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
 	/*
 	 * Locate se_lun pointer and attach it to struct se_cmd
 	 */
-	if (transport_lookup_cmd_lun(se_cmd, unpacked_lun) < 0)
-		goto out_check_cond;
+	if (transport_lookup_cmd_lun(se_cmd, unpacked_lun) < 0) {
+		transport_send_check_condition_and_sense(se_cmd,
+				se_cmd->scsi_sense_reason, 0);
+		target_put_sess_cmd(se_sess, se_cmd);
+		return;
+	}
 	/*
 	 * Sanitize CDBs via transport_generic_cmd_sequencer() and
 	 * allocate the necessary tasks to complete the received CDB+data
 	 */
 	rc = transport_generic_allocate_tasks(se_cmd, cdb);
-	if (rc != 0)
-		goto out_check_cond;
+	if (rc != 0) {
+		transport_generic_request_failure(se_cmd);
+		return;
+	}
 	/*
 	 * Dispatch se_cmd descriptor to se_lun->lun_se_dev backend
 	 * for immediate execution of READs, otherwise wait for
@@ -1704,12 +1712,7 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
 	 * when fabric has filled the incoming buffer.
 	 */
 	transport_handle_cdb_direct(se_cmd);
-	return 0;
-
-out_check_cond:
-	transport_send_check_condition_and_sense(se_cmd,
-				se_cmd->scsi_sense_reason, 0);
-	return 0;
+	return;
 }
 EXPORT_SYMBOL(target_submit_cmd);
 
@@ -2694,7 +2697,7 @@ static int transport_generic_cmd_sequencer(
 			cmd->se_cmd_flags |= SCF_SCSI_CONTROL_SG_IO_CDB;
 
 			if (target_check_write_same_discard(&cdb[10], dev) < 0)
-				goto out_invalid_cdb_field;
+				goto out_unsupported_cdb;
 			if (!passthrough)
 				cmd->execute_task = target_emulate_write_same;
 			break;
@@ -2977,7 +2980,7 @@ static int transport_generic_cmd_sequencer(
 		cmd->se_cmd_flags |= SCF_SCSI_CONTROL_SG_IO_CDB;
 
 		if (target_check_write_same_discard(&cdb[1], dev) < 0)
-			goto out_invalid_cdb_field;
+			goto out_unsupported_cdb;
 		if (!passthrough)
 			cmd->execute_task = target_emulate_write_same;
 		break;
@@ -3000,7 +3003,7 @@ static int transport_generic_cmd_sequencer(
 		 * of byte 1 bit 3 UNMAP instead of original reserved field
 		 */
 		if (target_check_write_same_discard(&cdb[1], dev) < 0)
-			goto out_invalid_cdb_field;
+			goto out_unsupported_cdb;
 		if (!passthrough)
 			cmd->execute_task = target_emulate_write_same;
 		break;
@@ -3082,11 +3085,6 @@ static int transport_generic_cmd_sequencer(
 	     (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB)))
 		goto out_unsupported_cdb;
 
-	/* Let's limit control cdbs to a page, for simplicity's sake. */
-	if ((cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB) &&
-	    size > PAGE_SIZE)
-		goto out_invalid_cdb_field;
-
 	transport_set_supported_SAM_opcode(cmd);
 	return ret;
 
@@ -3490,9 +3488,11 @@ int transport_generic_map_mem_to_cmd(
 }
 EXPORT_SYMBOL(transport_generic_map_mem_to_cmd);
 
-void *transport_kmap_first_data_page(struct se_cmd *cmd)
+void *transport_kmap_data_sg(struct se_cmd *cmd)
 {
 	struct scatterlist *sg = cmd->t_data_sg;
+	struct page **pages;
+	int i;
 
 	BUG_ON(!sg);
 	/*
@@ -3500,15 +3500,41 @@ void *transport_kmap_first_data_page(struct se_cmd *cmd)
 	 * tcm_loop who may be using a contig buffer from the SCSI midlayer for
 	 * control CDBs passed as SGLs via transport_generic_map_mem_to_cmd()
 	 */
-	return kmap(sg_page(sg)) + sg->offset;
+	if (!cmd->t_data_nents)
+		return NULL;
+	else if (cmd->t_data_nents == 1)
+		return kmap(sg_page(sg)) + sg->offset;
+
+	/* >1 page. use vmap */
+	pages = kmalloc(sizeof(*pages) * cmd->t_data_nents, GFP_KERNEL);
+	if (!pages)
+		return NULL;
+
+	/* convert sg[] to pages[] */
+	for_each_sg(cmd->t_data_sg, sg, cmd->t_data_nents, i) {
+		pages[i] = sg_page(sg);
+	}
+
+	cmd->t_data_vmap = vmap(pages, cmd->t_data_nents,  VM_MAP, PAGE_KERNEL);
+	kfree(pages);
+	if (!cmd->t_data_vmap)
+		return NULL;
+
+	return cmd->t_data_vmap + cmd->t_data_sg[0].offset;
 }
-EXPORT_SYMBOL(transport_kmap_first_data_page);
+EXPORT_SYMBOL(transport_kmap_data_sg);
 
-void transport_kunmap_first_data_page(struct se_cmd *cmd)
+void transport_kunmap_data_sg(struct se_cmd *cmd)
 {
-	kunmap(sg_page(cmd->t_data_sg));
+	if (!cmd->t_data_nents)
+		return;
+	else if (cmd->t_data_nents == 1)
+		kunmap(sg_page(cmd->t_data_sg));
+
+	vunmap(cmd->t_data_vmap);
+	cmd->t_data_vmap = NULL;
 }
-EXPORT_SYMBOL(transport_kunmap_first_data_page);
+EXPORT_SYMBOL(transport_kunmap_data_sg);
 
 static int
 transport_generic_get_mem(struct se_cmd *cmd)
@@ -3516,6 +3542,7 @@ transport_generic_get_mem(struct se_cmd *cmd)
 	u32 length = cmd->data_length;
 	unsigned int nents;
 	struct page *page;
+	gfp_t zero_flag;
 	int i = 0;
 
 	nents = DIV_ROUND_UP(length, PAGE_SIZE);
@@ -3526,9 +3553,11 @@ transport_generic_get_mem(struct se_cmd *cmd)
 	cmd->t_data_nents = nents;
 	sg_init_table(cmd->t_data_sg, nents);
 
+	zero_flag = cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB ? 0 : __GFP_ZERO;
+
 	while (length) {
 		u32 page_len = min_t(u32, length, PAGE_SIZE);
-		page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+		page = alloc_page(GFP_KERNEL | zero_flag);
 		if (!page)
 			goto out;
 
@@ -3756,6 +3785,11 @@ transport_allocate_control_task(struct se_cmd *cmd)
 	struct se_task *task;
 	unsigned long flags;
 
+	/* Workaround for handling zero-length control CDBs */
+	if ((cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB) &&
+	    !cmd->data_length)
+		return 0;
+
 	task = transport_generic_get_task(cmd, cmd->data_direction);
 	if (!task)
 		return -ENOMEM;
@@ -3827,6 +3861,14 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
 	else if (!task_cdbs && (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB)) {
 		cmd->t_state = TRANSPORT_COMPLETE;
 		atomic_set(&cmd->t_transport_active, 1);
+
+		if (cmd->t_task_cdb[0] == REQUEST_SENSE) {
+			u8 ua_asc = 0, ua_ascq = 0;
+
+			core_scsi3_ua_clear_for_request_sense(cmd,
+					&ua_asc, &ua_ascq);
+		}
+
 		INIT_WORK(&cmd->work, target_complete_ok_work);
 		queue_work(target_completion_wq, &cmd->work);
 		return 0;
@@ -4448,8 +4490,8 @@ int transport_send_check_condition_and_sense(
 		/* CURRENT ERROR */
 		buffer[offset] = 0x70;
 		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ABORTED COMMAND */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+		/* ILLEGAL REQUEST */
+		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* INVALID FIELD IN CDB */
 		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x24;
 		break;
@@ -4457,8 +4499,8 @@ int transport_send_check_condition_and_sense(
 		/* CURRENT ERROR */
 		buffer[offset] = 0x70;
 		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
-		/* ABORTED COMMAND */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+		/* ILLEGAL REQUEST */
+		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* INVALID FIELD IN PARAMETER LIST */
 		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x26;
 		break;
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index addc18f727ea..9e7e26c74c79 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -540,7 +540,6 @@ static void ft_send_work(struct work_struct *work)
 	int data_dir = 0;
 	u32 data_len;
 	int task_attr;
-	int ret;
 
 	fcp = fc_frame_payload_get(cmd->req_frame, sizeof(*fcp));
 	if (!fcp)
@@ -603,14 +602,10 @@ static void ft_send_work(struct work_struct *work)
 	 * Use a single se_cmd->cmd_kref as we expect to release se_cmd
 	 * directly from ft_check_stop_free callback in response path.
 	 */
-	ret = target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, cmd->cdb,
+	target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, cmd->cdb,
 				&cmd->ft_sense_buffer[0], cmd->lun, data_len,
 				task_attr, data_dir, 0);
-	pr_debug("r_ctl %x alloc target_submit_cmd %d\n", fh->fh_r_ctl, ret);
-	if (ret < 0) {
-		ft_dump_cmd(cmd, __func__);
-		return;
-	}
+	pr_debug("r_ctl %x alloc target_submit_cmd\n", fh->fh_r_ctl);
 	return;
 
 err:
diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig
index b3d17416d86a..830cd62d8492 100644
--- a/drivers/tty/Kconfig
+++ b/drivers/tty/Kconfig
@@ -365,7 +365,7 @@ config PPC_EPAPR_HV_BYTECHAN
 
 config PPC_EARLY_DEBUG_EHV_BC
 	bool "Early console (udbg) support for ePAPR hypervisors"
-	depends on PPC_EPAPR_HV_BYTECHAN
+	depends on PPC_EPAPR_HV_BYTECHAN=y
 	help
 	  Select this option to enable early console (a.k.a. "udbg") support
 	  via an ePAPR byte channel.  You also need to choose the byte channel
diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index 9f50c4e3c2be..9b7336fcfbb3 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -45,7 +45,7 @@
 #include "8250.h"
 
 #ifdef CONFIG_SPARC
-#include "suncore.h"
+#include "../suncore.h"
 #endif
 
 /*
diff --git a/drivers/tty/serial/8250/m32r_sio.c b/drivers/tty/serial/m32r_sio.c
index 94a6792bf97b..94a6792bf97b 100644
--- a/drivers/tty/serial/8250/m32r_sio.c
+++ b/drivers/tty/serial/m32r_sio.c
diff --git a/drivers/tty/serial/8250/m32r_sio.h b/drivers/tty/serial/m32r_sio.h
index e9b7e11793b1..e9b7e11793b1 100644
--- a/drivers/tty/serial/8250/m32r_sio.h
+++ b/drivers/tty/serial/m32r_sio.h
diff --git a/drivers/tty/serial/8250/m32r_sio_reg.h b/drivers/tty/serial/m32r_sio_reg.h
index 4671473793e3..4671473793e3 100644
--- a/drivers/tty/serial/8250/m32r_sio_reg.h
+++ b/drivers/tty/serial/m32r_sio_reg.h
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 1c2426931484..f80904145fd4 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -46,6 +46,13 @@
 
 #define DEFAULT_CLK_SPEED 48000000 /* 48Mhz*/
 
+/* SCR register bitmasks */
+#define OMAP_UART_SCR_RX_TRIG_GRANU1_MASK		(1 << 7)
+
+/* FCR register bitmasks */
+#define OMAP_UART_FCR_RX_FIFO_TRIG_SHIFT		6
+#define OMAP_UART_FCR_RX_FIFO_TRIG_MASK			(0x3 << 6)
+
 static struct uart_omap_port *ui[OMAP_MAX_HSUART_PORTS];
 
 /* Forward declaration of functions */
@@ -129,6 +136,7 @@ static void serial_omap_enable_ms(struct uart_port *port)
 static void serial_omap_stop_tx(struct uart_port *port)
 {
 	struct uart_omap_port *up = (struct uart_omap_port *)port;
+	struct omap_uart_port_info *pdata = up->pdev->dev.platform_data;
 
 	if (up->use_dma &&
 		up->uart_dma.tx_dma_channel != OMAP_UART_DMA_CH_FREE) {
@@ -151,6 +159,9 @@ static void serial_omap_stop_tx(struct uart_port *port)
 		serial_out(up, UART_IER, up->ier);
 	}
 
+	if (!up->use_dma && pdata->set_forceidle)
+		pdata->set_forceidle(up->pdev);
+
 	pm_runtime_mark_last_busy(&up->pdev->dev);
 	pm_runtime_put_autosuspend(&up->pdev->dev);
 }
@@ -279,6 +290,7 @@ static inline void serial_omap_enable_ier_thri(struct uart_omap_port *up)
 static void serial_omap_start_tx(struct uart_port *port)
 {
 	struct uart_omap_port *up = (struct uart_omap_port *)port;
+	struct omap_uart_port_info *pdata = up->pdev->dev.platform_data;
 	struct circ_buf *xmit;
 	unsigned int start;
 	int ret = 0;
@@ -286,6 +298,8 @@ static void serial_omap_start_tx(struct uart_port *port)
 	if (!up->use_dma) {
 		pm_runtime_get_sync(&up->pdev->dev);
 		serial_omap_enable_ier_thri(up);
+		if (pdata->set_noidle)
+			pdata->set_noidle(up->pdev);
 		pm_runtime_mark_last_busy(&up->pdev->dev);
 		pm_runtime_put_autosuspend(&up->pdev->dev);
 		return;
@@ -726,8 +740,7 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
 	quot = serial_omap_get_divisor(port, baud);
 
 	/* calculate wakeup latency constraint */
-	up->calc_latency = (1000000 * up->port.fifosize) /
-				(1000 * baud / 8);
+	up->calc_latency = (USEC_PER_SEC * up->port.fifosize) / (baud / 8);
 	up->latency = up->calc_latency;
 	schedule_work(&up->qos_work);
 
@@ -811,14 +824,21 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
 	up->mcr = serial_in(up, UART_MCR);
 	serial_out(up, UART_MCR, up->mcr | UART_MCR_TCRTLR);
 	/* FIFO ENABLE, DMA MODE */
-	serial_out(up, UART_FCR, up->fcr);
-	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
+
+	up->scr |= OMAP_UART_SCR_RX_TRIG_GRANU1_MASK;
 
 	if (up->use_dma) {
 		serial_out(up, UART_TI752_TLR, 0);
-		up->scr |= (UART_FCR_TRIGGER_4 | UART_FCR_TRIGGER_8);
+		up->scr |= UART_FCR_TRIGGER_4;
+	} else {
+		/* Set receive FIFO threshold to 1 byte */
+		up->fcr &= ~OMAP_UART_FCR_RX_FIFO_TRIG_MASK;
+		up->fcr |= (0x1 << OMAP_UART_FCR_RX_FIFO_TRIG_SHIFT);
 	}
 
+	serial_out(up, UART_FCR, up->fcr);
+	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
+
 	serial_out(up, UART_OMAP_SCR, up->scr);
 
 	serial_out(up, UART_EFR, up->efr);
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index f96f37b5fec6..c55e5fb16fa3 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1593,7 +1593,8 @@ static struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
 #define S5PV210_SERIAL_DRV_DATA	(kernel_ulong_t)NULL
 #endif
 
-#ifdef CONFIG_CPU_EXYNOS4210
+#if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) || \
+	defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250)
 static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = {
 	.info = &(struct s3c24xx_uart_info) {
 		.name		= "Samsung Exynos4 UART",
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index 5e096f43bcea..65447c5f91d7 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -1463,7 +1463,6 @@ compat_kdfontop_ioctl(struct compat_console_font_op __user *fontop,
 	if (!perm && op->op != KD_FONT_OP_GET)
 		return -EPERM;
 	op->data = compat_ptr(((struct compat_console_font_op *)op)->data);
-	op->flags |= KD_FONT_FLAG_OLD;
 	i = con_font_op(vc, op);
 	if (i)
 		return i;
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index d136b8f4c8a7..81e2c0d9c17d 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -187,7 +187,10 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 		return -ENODEV;
 	dev->current_state = PCI_D0;
 
-	if (!dev->irq) {
+	/* The xHCI driver supports MSI and MSI-X,
+	 * so don't fail if the BIOS doesn't provide a legacy IRQ.
+	 */
+	if (!dev->irq && (driver->flags & HCD_MASK) != HCD_USB3) {
 		dev_err(&dev->dev,
 			"Found HC with no IRQ.  Check BIOS/PCI %s setup!\n",
 			pci_name(dev));
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index eb19cba34ac9..e1282328fc27 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2447,8 +2447,10 @@ int usb_add_hcd(struct usb_hcd *hcd,
 			&& device_can_wakeup(&hcd->self.root_hub->dev))
 		dev_dbg(hcd->self.controller, "supports USB remote wakeup\n");
 
-	/* enable irqs just before we start the controller */
-	if (usb_hcd_is_primary_hcd(hcd)) {
+	/* enable irqs just before we start the controller,
+	 * if the BIOS provides legacy PCI irqs.
+	 */
+	if (usb_hcd_is_primary_hcd(hcd) && irqnum) {
 		retval = usb_hcd_request_irqs(hcd, irqnum, irqflags);
 		if (retval)
 			goto err_request_irq;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index a0613d8f9be7..265c2f675d04 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -705,10 +705,26 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 	if (type == HUB_INIT3)
 		goto init3;
 
-	/* After a resume, port power should still be on.
+	/* The superspeed hub except for root hub has to use Hub Depth
+	 * value as an offset into the route string to locate the bits
+	 * it uses to determine the downstream port number. So hub driver
+	 * should send a set hub depth request to superspeed hub after
+	 * the superspeed hub is set configuration in initialization or
+	 * reset procedure.
+	 *
+	 * After a resume, port power should still be on.
 	 * For any other type of activation, turn it on.
 	 */
 	if (type != HUB_RESUME) {
+		if (hdev->parent && hub_is_superspeed(hdev)) {
+			ret = usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),
+					HUB_SET_DEPTH, USB_RT_HUB,
+					hdev->level - 1, 0, NULL, 0,
+					USB_CTRL_SET_TIMEOUT);
+			if (ret < 0)
+				dev_err(hub->intfdev,
+						"set hub depth failed\n");
+		}
 
 		/* Speed up system boot by using a delayed_work for the
 		 * hub's initial power-up delays.  This is pretty awkward
@@ -987,18 +1003,6 @@ static int hub_configure(struct usb_hub *hub,
 		goto fail;
 	}
 
-	if (hub_is_superspeed(hdev) && (hdev->parent != NULL)) {
-		ret = usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),
-				HUB_SET_DEPTH, USB_RT_HUB,
-				hdev->level - 1, 0, NULL, 0,
-				USB_CTRL_SET_TIMEOUT);
-
-		if (ret < 0) {
-			message = "can't set hub depth";
-			goto fail;
-		}
-	}
-
 	/* Request the entire hub descriptor.
 	 * hub->descriptor can handle USB_MAXCHILDREN ports,
 	 * but the hub can/will return fewer bytes here.
diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c
index 6d87f288df4e..2c0cd824c667 100644
--- a/drivers/usb/gadget/f_loopback.c
+++ b/drivers/usb/gadget/f_loopback.c
@@ -418,7 +418,7 @@ int __init loopback_add(struct usb_composite_dev *cdev, bool autoresume)
 
 	/* support autoresume for remote wakeup testing */
 	if (autoresume)
-		sourcesink_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+		loopback_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
 
 	/* support OTG systems */
 	if (gadget_is_otg(cdev->gadget)) {
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 91413cac97be..353cdd488b93 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -130,7 +130,7 @@ config USB_FSL_MPH_DR_OF
 	tristate
 
 config USB_EHCI_FSL
-	bool "Support for Freescale on-chip EHCI USB controller"
+	bool "Support for Freescale PPC on-chip EHCI USB controller"
 	depends on USB_EHCI_HCD && FSL_SOC
 	select USB_EHCI_ROOT_HUB_TT
 	select USB_FSL_MPH_DR_OF if OF
@@ -138,7 +138,7 @@ config USB_EHCI_FSL
 	  Variation of ARC USB block used in some Freescale chips.
 
 config USB_EHCI_MXC
-	bool "Support for Freescale on-chip EHCI USB controller"
+	bool "Support for Freescale i.MX on-chip EHCI USB controller"
 	depends on USB_EHCI_HCD && ARCH_MXC
 	select USB_EHCI_ROOT_HUB_TT
 	---help---
@@ -546,7 +546,7 @@ config USB_RENESAS_USBHS_HCD
 config USB_WHCI_HCD
 	tristate "Wireless USB Host Controller Interface (WHCI) driver (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
-	depends on PCI && USB
+	depends on PCI && USB && UWB
 	select USB_WUSB
 	select UWB_WHCI
 	help
@@ -559,7 +559,7 @@ config USB_WHCI_HCD
 config USB_HWA_HCD
 	tristate "Host Wire Adapter (HWA) driver (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
-	depends on USB
+	depends on USB && UWB
 	select USB_WUSB
 	select UWB_HWA
 	help
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index caf87428ca43..7732d69e49e0 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -867,6 +867,22 @@ hc_init:
 
 static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev)
 {
+	/* Skip Netlogic mips SoC's internal PCI USB controller.
+	 * This device does not need/support EHCI/OHCI handoff
+	 */
+	if (pdev->vendor == 0x184e)	/* vendor Netlogic */
+		return;
+	if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI &&
+			pdev->class != PCI_CLASS_SERIAL_USB_OHCI &&
+			pdev->class != PCI_CLASS_SERIAL_USB_EHCI &&
+			pdev->class != PCI_CLASS_SERIAL_USB_XHCI)
+		return;
+
+	if (pci_enable_device(pdev) < 0) {
+		dev_warn(&pdev->dev, "Can't enable PCI device, "
+				"BIOS handoff failed.\n");
+		return;
+	}
 	if (pdev->class == PCI_CLASS_SERIAL_USB_UHCI)
 		quirk_usb_handoff_uhci(pdev);
 	else if (pdev->class == PCI_CLASS_SERIAL_USB_OHCI)
@@ -875,5 +891,6 @@ static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev)
 		quirk_usb_disable_ehci(pdev);
 	else if (pdev->class == PCI_CLASS_SERIAL_USB_XHCI)
 		quirk_usb_handoff_xhci(pdev);
+	pci_disable_device(pdev);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, quirk_usb_early_handoff);
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 35e257f79c7b..557b6f32db86 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -93,7 +93,7 @@ static void xhci_usb2_hub_descriptor(struct usb_hcd *hcd, struct xhci_hcd *xhci,
 	 */
 	memset(port_removable, 0, sizeof(port_removable));
 	for (i = 0; i < ports; i++) {
-		portsc = xhci_readl(xhci, xhci->usb3_ports[i]);
+		portsc = xhci_readl(xhci, xhci->usb2_ports[i]);
 		/* If a device is removable, PORTSC reports a 0, same as in the
 		 * hub descriptor DeviceRemovable bits.
 		 */
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 36cbe2226a44..383fc857491c 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1126,26 +1126,42 @@ static unsigned int xhci_parse_exponent_interval(struct usb_device *udev,
 }
 
 /*
- * Convert bInterval expressed in frames (in 1-255 range) to exponent of
+ * Convert bInterval expressed in microframes (in 1-255 range) to exponent of
  * microframes, rounded down to nearest power of 2.
  */
-static unsigned int xhci_parse_frame_interval(struct usb_device *udev,
-		struct usb_host_endpoint *ep)
+static unsigned int xhci_microframes_to_exponent(struct usb_device *udev,
+		struct usb_host_endpoint *ep, unsigned int desc_interval,
+		unsigned int min_exponent, unsigned int max_exponent)
 {
 	unsigned int interval;
 
-	interval = fls(8 * ep->desc.bInterval) - 1;
-	interval = clamp_val(interval, 3, 10);
-	if ((1 << interval) != 8 * ep->desc.bInterval)
+	interval = fls(desc_interval) - 1;
+	interval = clamp_val(interval, min_exponent, max_exponent);
+	if ((1 << interval) != desc_interval)
 		dev_warn(&udev->dev,
 			 "ep %#x - rounding interval to %d microframes, ep desc says %d microframes\n",
 			 ep->desc.bEndpointAddress,
 			 1 << interval,
-			 8 * ep->desc.bInterval);
+			 desc_interval);
 
 	return interval;
 }
 
+static unsigned int xhci_parse_microframe_interval(struct usb_device *udev,
+		struct usb_host_endpoint *ep)
+{
+	return xhci_microframes_to_exponent(udev, ep,
+			ep->desc.bInterval, 0, 15);
+}
+
+
+static unsigned int xhci_parse_frame_interval(struct usb_device *udev,
+		struct usb_host_endpoint *ep)
+{
+	return xhci_microframes_to_exponent(udev, ep,
+			ep->desc.bInterval * 8, 3, 10);
+}
+
 /* Return the polling or NAK interval.
  *
  * The polling interval is expressed in "microframes".  If xHCI's Interval field
@@ -1164,7 +1180,7 @@ static unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
 		/* Max NAK rate */
 		if (usb_endpoint_xfer_control(&ep->desc) ||
 		    usb_endpoint_xfer_bulk(&ep->desc)) {
-			interval = ep->desc.bInterval;
+			interval = xhci_parse_microframe_interval(udev, ep);
 			break;
 		}
 		/* Fall through - SS and HS isoc/int have same decoding */
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 6bbe3c3a7111..c939f5fdef9e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -352,6 +352,11 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd)
 		/* hcd->irq is -1, we have MSI */
 		return 0;
 
+	if (!pdev->irq) {
+		xhci_err(xhci, "No msi-x/msi found and no IRQ in BIOS\n");
+		return -EINVAL;
+	}
+
 	/* fall back to legacy interrupt*/
 	ret = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED,
 			hcd->irq_descr, hcd);
diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h
index e61aa95f2d2a..1d5eda26fbd1 100644
--- a/drivers/usb/musb/musb_io.h
+++ b/drivers/usb/musb/musb_io.h
@@ -39,7 +39,8 @@
 
 #if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \
 	&& !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \
-	&& !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN)
+	&& !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN) \
+	&& !defined(CONFIG_MIPS)
 static inline void readsl(const void __iomem *addr, void *buf, int len)
 	{ insl((unsigned long)addr, buf, len); }
 static inline void readsw(const void __iomem *addr, void *buf, int len)
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index 76d629345418..735ef4c2339a 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -118,7 +118,7 @@ config FSL_USB2_OTG
 
 config USB_MV_OTG
 	tristate "Marvell USB OTG support"
-	depends on USB_MV_UDC && USB_SUSPEND
+	depends on USB_EHCI_MV && USB_MV_UDC && USB_SUSPEND
 	select USB_OTG
 	select USB_OTG_UTILS
 	help
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 8dbf51a43c45..08a5575724cd 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -136,6 +136,8 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */
 	{ USB_DEVICE(0x16DC, 0x0012) }, /* W-IE-NE-R Plein & Baus GmbH MPOD Multi Channel Power Supply */
 	{ USB_DEVICE(0x16DC, 0x0015) }, /* W-IE-NE-R Plein & Baus GmbH CML Control, Monitoring and Data Logger */
+	{ USB_DEVICE(0x17A8, 0x0001) }, /* Kamstrup Optical Eye/3-wire */
+	{ USB_DEVICE(0x17A8, 0x0005) }, /* Kamstrup M-Bus Master MultiPort 250D */
 	{ USB_DEVICE(0x17F4, 0xAAAA) }, /* Wavesense Jazz blood glucose meter */
 	{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
 	{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index ad654f8208ef..f770415305f8 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -839,6 +839,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index f994503df2dd..6f6058f0db1b 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -1187,3 +1187,10 @@
  */
 /* ZigBee controller */
 #define FTDI_RF_R106		0x8A28
+
+/*
+ * Product: HCP HIT GPRS modem
+ * Manufacturer: HCP d.o.o.
+ * ATI command output: Cinterion MC55i
+ */
+#define FTDI_CINTERION_MC55I_PID	0xA951
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index ea126a4490cd..b54afceb9611 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -788,7 +788,6 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0012, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0013, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0016, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff),
@@ -803,7 +802,6 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0024, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0025, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
-	/* { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0026, 0xff, 0xff, 0xff) }, */
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0028, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0029, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0030, 0xff, 0xff, 0xff) },
@@ -828,7 +826,6 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0051, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0052, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
-	/* { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0053, 0xff, 0xff, 0xff) }, */
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0054, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0055, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
@@ -836,7 +833,6 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0057, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0058, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0061, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0062, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0063, 0xff, 0xff, 0xff),
@@ -846,7 +842,6 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0066, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0067, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0069, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0076, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0077, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0078, 0xff, 0xff, 0xff) },
@@ -855,6 +850,16 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0083, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0087, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0088, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0089, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0090, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0091, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0092, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0093, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0095, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0096, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0097, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0104, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0105, 0xff, 0xff, 0xff) },
@@ -875,23 +880,18 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0143, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0144, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0145, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0146, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0147, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0148, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0149, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0150, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0151, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0152, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0153, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0154, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0155, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0156, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0158, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0159, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0160, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0161, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0162, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0164, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0165, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) },
@@ -1066,17 +1066,27 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1298, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1299, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1300, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff,
+	  0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_k3765_z_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
+
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) }, /* ZTE CDMA products */
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0027, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0141, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff,
-	  0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_k3765_z_blacklist },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0147, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0152, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0168, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0170, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0176, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff) },
+
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 1d5deee3be52..f98800f2324c 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -36,6 +36,11 @@ static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x413c, 0x8171)},	/* Dell Gobi QDL device */
 	{USB_DEVICE(0x1410, 0xa001)},	/* Novatel Gobi Modem device */
 	{USB_DEVICE(0x1410, 0xa008)},	/* Novatel Gobi QDL device */
+	{USB_DEVICE(0x1410, 0xa010)},	/* Novatel Gobi QDL device */
+	{USB_DEVICE(0x1410, 0xa011)},	/* Novatel Gobi QDL device */
+	{USB_DEVICE(0x1410, 0xa012)},	/* Novatel Gobi QDL device */
+	{USB_DEVICE(0x1410, 0xa013)},	/* Novatel Gobi QDL device */
+	{USB_DEVICE(0x1410, 0xa014)},	/* Novatel Gobi QDL device */
 	{USB_DEVICE(0x0b05, 0x1776)},	/* Asus Gobi Modem device */
 	{USB_DEVICE(0x0b05, 0x1774)},	/* Asus Gobi QDL device */
 	{USB_DEVICE(0x19d2, 0xfff3)},	/* ONDA Gobi Modem device */
@@ -86,7 +91,16 @@ static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
 	{USB_DEVICE(0x05c6, 0x9204)},	/* Gobi 2000 QDL device */
 	{USB_DEVICE(0x05c6, 0x9205)},	/* Gobi 2000 Modem device */
+
+	{USB_DEVICE(0x05c6, 0x920c)},	/* Gobi 3000 QDL */
+	{USB_DEVICE(0x05c6, 0x920d)},	/* Gobi 3000 Composite */
+	{USB_DEVICE(0x1410, 0xa020)},   /* Novatel Gobi 3000 QDL */
+	{USB_DEVICE(0x1410, 0xa021)},	/* Novatel Gobi 3000 Composite */
+	{USB_DEVICE(0x413c, 0x8193)},	/* Dell Gobi 3000 QDL */
+	{USB_DEVICE(0x413c, 0x8194)},	/* Dell Gobi 3000 Composite */
 	{USB_DEVICE(0x1199, 0x9013)},	/* Sierra Wireless Gobi 3000 Modem device (MC8355) */
+	{USB_DEVICE(0x12D1, 0x14F0)},	/* Sony Gobi 3000 QDL */
+	{USB_DEVICE(0x12D1, 0x14F1)},	/* Sony Gobi 3000 Composite */
 	{ }				/* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, id_table);
@@ -123,8 +137,6 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 
 	spin_lock_init(&data->susp_lock);
 
-	usb_enable_autosuspend(serial->dev);
-
 	switch (nintf) {
 	case 1:
 		/* QDL mode */
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 8468eb769a29..75b838eff178 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -165,7 +165,7 @@ static unsigned int product_5052_count;
 /* the array dimension is the number of default entries plus */
 /* TI_EXTRA_VID_PID_COUNT user defined entries plus 1 terminating */
 /* null entry */
-static struct usb_device_id ti_id_table_3410[13+TI_EXTRA_VID_PID_COUNT+1] = {
+static struct usb_device_id ti_id_table_3410[14+TI_EXTRA_VID_PID_COUNT+1] = {
 	{ USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) },
 	{ USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) },
 	{ USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) },
@@ -179,6 +179,7 @@ static struct usb_device_id ti_id_table_3410[13+TI_EXTRA_VID_PID_COUNT+1] = {
 	{ USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) },
 	{ USB_DEVICE(IBM_VENDOR_ID, IBM_454B_PRODUCT_ID) },
 	{ USB_DEVICE(IBM_VENDOR_ID, IBM_454C_PRODUCT_ID) },
+	{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) },
 };
 
 static struct usb_device_id ti_id_table_5052[5+TI_EXTRA_VID_PID_COUNT+1] = {
@@ -188,7 +189,7 @@ static struct usb_device_id ti_id_table_5052[5+TI_EXTRA_VID_PID_COUNT+1] = {
 	{ USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) },
 };
 
-static struct usb_device_id ti_id_table_combined[17+2*TI_EXTRA_VID_PID_COUNT+1] = {
+static struct usb_device_id ti_id_table_combined[18+2*TI_EXTRA_VID_PID_COUNT+1] = {
 	{ USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) },
 	{ USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) },
 	{ USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) },
@@ -206,6 +207,7 @@ static struct usb_device_id ti_id_table_combined[17+2*TI_EXTRA_VID_PID_COUNT+1]
 	{ USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) },
 	{ USB_DEVICE(IBM_VENDOR_ID, IBM_454B_PRODUCT_ID) },
 	{ USB_DEVICE(IBM_VENDOR_ID, IBM_454C_PRODUCT_ID) },
+	{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) },
 	{ }
 };
 
diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h
index 2aac1953993b..f140f1b9d5c0 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.h
+++ b/drivers/usb/serial/ti_usb_3410_5052.h
@@ -49,6 +49,10 @@
 #define MTS_MT9234ZBA_PRODUCT_ID	0xF115
 #define MTS_MT9234ZBAOLD_PRODUCT_ID	0x0319
 
+/* Abbott Diabetics vendor and product ids */
+#define ABBOTT_VENDOR_ID		0x1a61
+#define ABBOTT_PRODUCT_ID		0x3410
+
 /* Commands */
 #define TI_GET_VERSION			0x01
 #define TI_GET_PORT_STATUS		0x02
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 3dd7da9fd504..db51ba16dc07 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -788,15 +788,19 @@ static void quiesce_and_remove_host(struct us_data *us)
 	struct Scsi_Host *host = us_to_host(us);
 
 	/* If the device is really gone, cut short reset delays */
-	if (us->pusb_dev->state == USB_STATE_NOTATTACHED)
+	if (us->pusb_dev->state == USB_STATE_NOTATTACHED) {
 		set_bit(US_FLIDX_DISCONNECTING, &us->dflags);
+		wake_up(&us->delay_wait);
+	}
 
-	/* Prevent SCSI-scanning (if it hasn't started yet)
-	 * and wait for the SCSI-scanning thread to stop.
+	/* Prevent SCSI scanning (if it hasn't started yet)
+	 * or wait for the SCSI-scanning routine to stop.
 	 */
-	set_bit(US_FLIDX_DONT_SCAN, &us->dflags);
-	wake_up(&us->delay_wait);
-	wait_for_completion(&us->scanning_done);
+	cancel_delayed_work_sync(&us->scan_dwork);
+
+	/* Balance autopm calls if scanning was cancelled */
+	if (test_bit(US_FLIDX_SCAN_PENDING, &us->dflags))
+		usb_autopm_put_interface_no_suspend(us->pusb_intf);
 
 	/* Removing the host will perform an orderly shutdown: caches
 	 * synchronized, disks spun down, etc.
@@ -823,53 +827,28 @@ static void release_everything(struct us_data *us)
 	scsi_host_put(us_to_host(us));
 }
 
-/* Thread to carry out delayed SCSI-device scanning */
-static int usb_stor_scan_thread(void * __us)
+/* Delayed-work routine to carry out SCSI-device scanning */
+static void usb_stor_scan_dwork(struct work_struct *work)
 {
-	struct us_data *us = (struct us_data *)__us;
+	struct us_data *us = container_of(work, struct us_data,
+			scan_dwork.work);
 	struct device *dev = &us->pusb_intf->dev;
 
-	dev_dbg(dev, "device found\n");
-
-	set_freezable();
+	dev_dbg(dev, "starting scan\n");
 
-	/*
-	 * Wait for the timeout to expire or for a disconnect
-	 *
-	 * We can't freeze in this thread or we risk causing khubd to
-	 * fail to freeze, but we can't be non-freezable either. Nor can
-	 * khubd freeze while waiting for scanning to complete as it may
-	 * hold the device lock, causing a hang when suspending devices.
-	 * So instead of using wait_event_freezable(), explicitly test
-	 * for (DONT_SCAN || freezing) in interruptible wait and proceed
-	 * if any of DONT_SCAN, freezing or timeout has happened.
-	 */
-	if (delay_use > 0) {
-		dev_dbg(dev, "waiting for device to settle "
-				"before scanning\n");
-		wait_event_interruptible_timeout(us->delay_wait,
-				test_bit(US_FLIDX_DONT_SCAN, &us->dflags) ||
-				freezing(current), delay_use * HZ);
+	/* For bulk-only devices, determine the max LUN value */
+	if (us->protocol == USB_PR_BULK && !(us->fflags & US_FL_SINGLE_LUN)) {
+		mutex_lock(&us->dev_mutex);
+		us->max_lun = usb_stor_Bulk_max_lun(us);
+		mutex_unlock(&us->dev_mutex);
 	}
+	scsi_scan_host(us_to_host(us));
+	dev_dbg(dev, "scan complete\n");
 
-	/* If the device is still connected, perform the scanning */
-	if (!test_bit(US_FLIDX_DONT_SCAN, &us->dflags)) {
-
-		/* For bulk-only devices, determine the max LUN value */
-		if (us->protocol == USB_PR_BULK &&
-				!(us->fflags & US_FL_SINGLE_LUN)) {
-			mutex_lock(&us->dev_mutex);
-			us->max_lun = usb_stor_Bulk_max_lun(us);
-			mutex_unlock(&us->dev_mutex);
-		}
-		scsi_scan_host(us_to_host(us));
-		dev_dbg(dev, "scan complete\n");
-
-		/* Should we unbind if no devices were detected? */
-	}
+	/* Should we unbind if no devices were detected? */
 
 	usb_autopm_put_interface(us->pusb_intf);
-	complete_and_exit(&us->scanning_done, 0);
+	clear_bit(US_FLIDX_SCAN_PENDING, &us->dflags);
 }
 
 static unsigned int usb_stor_sg_tablesize(struct usb_interface *intf)
@@ -916,7 +895,7 @@ int usb_stor_probe1(struct us_data **pus,
 	init_completion(&us->cmnd_ready);
 	init_completion(&(us->notify));
 	init_waitqueue_head(&us->delay_wait);
-	init_completion(&us->scanning_done);
+	INIT_DELAYED_WORK(&us->scan_dwork, usb_stor_scan_dwork);
 
 	/* Associate the us_data structure with the USB device */
 	result = associate_dev(us, intf);
@@ -947,7 +926,6 @@ EXPORT_SYMBOL_GPL(usb_stor_probe1);
 /* Second part of general USB mass-storage probing */
 int usb_stor_probe2(struct us_data *us)
 {
-	struct task_struct *th;
 	int result;
 	struct device *dev = &us->pusb_intf->dev;
 
@@ -988,20 +966,14 @@ int usb_stor_probe2(struct us_data *us)
 		goto BadDevice;
 	}
 
-	/* Start up the thread for delayed SCSI-device scanning */
-	th = kthread_create(usb_stor_scan_thread, us, "usb-stor-scan");
-	if (IS_ERR(th)) {
-		dev_warn(dev,
-				"Unable to start the device-scanning thread\n");
-		complete(&us->scanning_done);
-		quiesce_and_remove_host(us);
-		result = PTR_ERR(th);
-		goto BadDevice;
-	}
-
+	/* Submit the delayed_work for SCSI-device scanning */
 	usb_autopm_get_interface_no_resume(us->pusb_intf);
-	wake_up_process(th);
+	set_bit(US_FLIDX_SCAN_PENDING, &us->dflags);
 
+	if (delay_use > 0)
+		dev_dbg(dev, "waiting for device to settle before scanning\n");
+	queue_delayed_work(system_freezable_wq, &us->scan_dwork,
+			delay_use * HZ);
 	return 0;
 
 	/* We come here if there are any problems */
diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h
index 7b0f2113632e..75f70f04f37b 100644
--- a/drivers/usb/storage/usb.h
+++ b/drivers/usb/storage/usb.h
@@ -47,6 +47,7 @@
 #include <linux/blkdev.h>
 #include <linux/completion.h>
 #include <linux/mutex.h>
+#include <linux/workqueue.h>
 #include <scsi/scsi_host.h>
 
 struct us_data;
@@ -72,7 +73,7 @@ struct us_unusual_dev {
 #define US_FLIDX_DISCONNECTING	3	/* disconnect in progress   */
 #define US_FLIDX_RESETTING	4	/* device reset in progress */
 #define US_FLIDX_TIMED_OUT	5	/* SCSI midlayer timed out  */
-#define US_FLIDX_DONT_SCAN	6	/* don't scan (disconnect)  */
+#define US_FLIDX_SCAN_PENDING	6	/* scanning not yet done    */
 #define US_FLIDX_REDO_READ10	7	/* redo READ(10) command    */
 #define US_FLIDX_READ10_WORKED	8	/* previous READ(10) succeeded */
 
@@ -147,8 +148,8 @@ struct us_data {
 	/* mutual exclusion and synchronization structures */
 	struct completion	cmnd_ready;	 /* to sleep thread on	    */
 	struct completion	notify;		 /* thread begin/end	    */
-	wait_queue_head_t	delay_wait;	 /* wait during scan, reset */
-	struct completion	scanning_done;	 /* wait for scan thread    */
+	wait_queue_head_t	delay_wait;	 /* wait during reset	    */
+	struct delayed_work	scan_dwork;	 /* for async scanning      */
 
 	/* subdriver information */
 	void			*extra;		 /* Any extra data          */
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 0d7b20d4285d..e40c00f2c2ba 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -1108,7 +1108,7 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg)
 	 */
 	lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL);
 
-	sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL);
+	sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_CTR);
 	lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0);
 	if (sinfo->atmel_lcdfb_power_control)
 		sinfo->atmel_lcdfb_power_control(0);
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index acf292bfba02..6af3f16754f0 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -1432,7 +1432,7 @@ static int fsl_diu_suspend(struct platform_device *ofdev, pm_message_t state)
 	struct fsl_diu_data *data;
 
 	data = dev_get_drvdata(&ofdev->dev);
-	disable_lcdc(data->fsl_diu_info[0]);
+	disable_lcdc(data->fsl_diu_info);
 
 	return 0;
 }
@@ -1442,7 +1442,7 @@ static int fsl_diu_resume(struct platform_device *ofdev)
 	struct fsl_diu_data *data;
 
 	data = dev_get_drvdata(&ofdev->dev);
-	enable_lcdc(data->fsl_diu_info[0]);
+	enable_lcdc(data->fsl_diu_info);
 
 	return 0;
 }
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index c6afa33a4532..02fd2263610c 100644
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/drivers/video/intelfb/intelfbdrv.c
@@ -529,7 +529,6 @@ static int __devinit intelfb_pci_register(struct pci_dev *pdev,
 	if (fb_alloc_cmap(&info->cmap, 256, 1) < 0) {
 		ERR_MSG("Could not allocate cmap for intelfb_info.\n");
 		goto err_out_cmap;
-		return -ENODEV;
 	}
 
 	dinfo = info->par;
diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index 74d29b552901..408a9927be92 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -12,7 +12,7 @@ config PANEL_GENERIC_DPI
 
 config PANEL_DVI
 	tristate "DVI output"
-	depends on OMAP2_DSS_DPI
+	depends on OMAP2_DSS_DPI && I2C
 	help
 	  Driver for external monitors, connected via DVI. The driver uses i2c
 	  to read EDID information from the monitor.
diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index 052dc874cd3d..87b3e25294cf 100644
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -1276,6 +1276,9 @@ int dss_ovl_enable(struct omap_overlay *ovl)
 
 	spin_unlock_irqrestore(&data_lock, flags);
 
+	/* wait for overlay to be enabled */
+	wait_pending_extra_info_updates();
+
 	mutex_unlock(&apply_lock);
 
 	return 0;
@@ -1313,6 +1316,9 @@ int dss_ovl_disable(struct omap_overlay *ovl)
 
 	spin_unlock_irqrestore(&data_lock, flags);
 
+	/* wait for the overlay to be disabled */
+	wait_pending_extra_info_updates();
+
 	mutex_unlock(&apply_lock);
 
 	return 0;
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index a5ec7f37c185..e1626a1d5c45 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -401,7 +401,7 @@ void dispc_runtime_put(void)
 
 	DSSDBG("dispc_runtime_put\n");
 
-	r = pm_runtime_put(&dispc.pdev->dev);
+	r = pm_runtime_put_sync(&dispc.pdev->dev);
 	WARN_ON(r < 0);
 }
 
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 395d658a94fc..faaf305fda27 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -180,6 +180,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
 {
 	int r;
 
+	if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) {
+		DSSERR("no VDSS_DSI regulator\n");
+		return -ENODEV;
+	}
+
 	if (dssdev->manager == NULL) {
 		DSSERR("failed to enable display: no manager\n");
 		return -ENODEV;
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index d4d676c82c12..52f36ec1c8bb 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -1079,7 +1079,7 @@ void dsi_runtime_put(struct platform_device *dsidev)
 
 	DSSDBG("dsi_runtime_put\n");
 
-	r = pm_runtime_put(&dsi->pdev->dev);
+	r = pm_runtime_put_sync(&dsi->pdev->dev);
 	WARN_ON(r < 0);
 }
 
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 17033457ee89..77c2b5a32b5d 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -720,7 +720,7 @@ void dss_runtime_put(void)
 
 	DSSDBG("dss_runtime_put\n");
 
-	r = pm_runtime_put(&dss.pdev->dev);
+	r = pm_runtime_put_sync(&dss.pdev->dev);
 	WARN_ON(r < 0);
 }
 
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index b4c270edb915..a36b934b2db4 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -165,9 +165,25 @@ static int hdmi_runtime_get(void)
 
 	DSSDBG("hdmi_runtime_get\n");
 
+	/*
+	 * HACK: Add dss_runtime_get() to ensure DSS clock domain is enabled.
+	 * This should be removed later.
+	 */
+	r = dss_runtime_get();
+	if (r < 0)
+		goto err_get_dss;
+
 	r = pm_runtime_get_sync(&hdmi.pdev->dev);
 	WARN_ON(r < 0);
-	return r < 0 ? r : 0;
+	if (r < 0)
+		goto err_get_hdmi;
+
+	return 0;
+
+err_get_hdmi:
+	dss_runtime_put();
+err_get_dss:
+	return r;
 }
 
 static void hdmi_runtime_put(void)
@@ -176,8 +192,14 @@ static void hdmi_runtime_put(void)
 
 	DSSDBG("hdmi_runtime_put\n");
 
-	r = pm_runtime_put(&hdmi.pdev->dev);
+	r = pm_runtime_put_sync(&hdmi.pdev->dev);
 	WARN_ON(r < 0);
+
+	/*
+	 * HACK: This is added to complement the dss_runtime_get() call in
+	 * hdmi_runtime_get(). This should be removed later.
+	 */
+	dss_runtime_put();
 }
 
 int hdmi_init_display(struct omap_dss_device *dssdev)
@@ -497,6 +519,7 @@ bool omapdss_hdmi_detect(void)
 
 int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
 {
+	struct omap_dss_hdmi_data *priv = dssdev->data;
 	int r = 0;
 
 	DSSDBG("ENTER hdmi_display_enable\n");
@@ -509,6 +532,8 @@ int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
 		goto err0;
 	}
 
+	hdmi.ip_data.hpd_gpio = priv->hpd_gpio;
+
 	r = omap_dss_start_device(dssdev);
 	if (r) {
 		DSSERR("failed to start device\n");
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
index 814bb9500dca..55f398014f33 100644
--- a/drivers/video/omap2/dss/rfbi.c
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -140,7 +140,7 @@ static void rfbi_runtime_put(void)
 
 	DSSDBG("rfbi_runtime_put\n");
 
-	r = pm_runtime_put(&rfbi.pdev->dev);
+	r = pm_runtime_put_sync(&rfbi.pdev->dev);
 	WARN_ON(r < 0);
 }
 
diff --git a/drivers/video/omap2/dss/ti_hdmi.h b/drivers/video/omap2/dss/ti_hdmi.h
index 7503f7f619a7..50dadba5070a 100644
--- a/drivers/video/omap2/dss/ti_hdmi.h
+++ b/drivers/video/omap2/dss/ti_hdmi.h
@@ -126,6 +126,10 @@ struct hdmi_ip_data {
 	const struct ti_hdmi_ip_ops *ops;
 	struct hdmi_config cfg;
 	struct hdmi_pll_info pll_data;
+
+	/* ti_hdmi_4xxx_ip private data. These should be in a separate struct */
+	int hpd_gpio;
+	bool phy_tx_enabled;
 };
 int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data);
 void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data);
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
index 9af81f18f163..6847a478b459 100644
--- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
+++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
@@ -28,6 +28,7 @@
 #include <linux/delay.h>
 #include <linux/string.h>
 #include <linux/seq_file.h>
+#include <linux/gpio.h>
 
 #include "ti_hdmi_4xxx_ip.h"
 #include "dss.h"
@@ -223,6 +224,49 @@ void ti_hdmi_4xxx_pll_disable(struct hdmi_ip_data *ip_data)
 	hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_ALLOFF);
 }
 
+static int hdmi_check_hpd_state(struct hdmi_ip_data *ip_data)
+{
+	unsigned long flags;
+	bool hpd;
+	int r;
+	/* this should be in ti_hdmi_4xxx_ip private data */
+	static DEFINE_SPINLOCK(phy_tx_lock);
+
+	spin_lock_irqsave(&phy_tx_lock, flags);
+
+	hpd = gpio_get_value(ip_data->hpd_gpio);
+
+	if (hpd == ip_data->phy_tx_enabled) {
+		spin_unlock_irqrestore(&phy_tx_lock, flags);
+		return 0;
+	}
+
+	if (hpd)
+		r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON);
+	else
+		r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_LDOON);
+
+	if (r) {
+		DSSERR("Failed to %s PHY TX power\n",
+				hpd ? "enable" : "disable");
+		goto err;
+	}
+
+	ip_data->phy_tx_enabled = hpd;
+err:
+	spin_unlock_irqrestore(&phy_tx_lock, flags);
+	return r;
+}
+
+static irqreturn_t hpd_irq_handler(int irq, void *data)
+{
+	struct hdmi_ip_data *ip_data = data;
+
+	hdmi_check_hpd_state(ip_data);
+
+	return IRQ_HANDLED;
+}
+
 int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data)
 {
 	u16 r = 0;
@@ -232,10 +276,6 @@ int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data)
 	if (r)
 		return r;
 
-	r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON);
-	if (r)
-		return r;
-
 	/*
 	 * Read address 0 in order to get the SCP reset done completed
 	 * Dummy access performed to make sure reset is done
@@ -257,12 +297,32 @@ int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data)
 	/* Write to phy address 3 to change the polarity control */
 	REG_FLD_MOD(phy_base, HDMI_TXPHY_PAD_CFG_CTRL, 0x1, 27, 27);
 
+	r = request_threaded_irq(gpio_to_irq(ip_data->hpd_gpio),
+			NULL, hpd_irq_handler,
+			IRQF_DISABLED | IRQF_TRIGGER_RISING |
+			IRQF_TRIGGER_FALLING, "hpd", ip_data);
+	if (r) {
+		DSSERR("HPD IRQ request failed\n");
+		hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
+		return r;
+	}
+
+	r = hdmi_check_hpd_state(ip_data);
+	if (r) {
+		free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data);
+		hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
+		return r;
+	}
+
 	return 0;
 }
 
 void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data)
 {
+	free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data);
+
 	hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
+	ip_data->phy_tx_enabled = false;
 }
 
 static int hdmi_core_ddc_init(struct hdmi_ip_data *ip_data)
@@ -419,14 +479,7 @@ int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data,
 
 bool ti_hdmi_4xxx_detect(struct hdmi_ip_data *ip_data)
 {
-	int r;
-
-	void __iomem *base = hdmi_core_sys_base(ip_data);
-
-	/* HPD */
-	r = REG_GET(base, HDMI_CORE_SYS_SYS_STAT, 1, 1);
-
-	return r == 1;
+	return gpio_get_value(ip_data->hpd_gpio);
 }
 
 static void hdmi_core_init(struct hdmi_core_video_config *video_cfg,
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index b3e9f9091581..5c3d0f901510 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -401,7 +401,7 @@ static void venc_runtime_put(void)
 
 	DSSDBG("venc_runtime_put\n");
 
-	r = pm_runtime_put(&venc.pdev->dev);
+	r = pm_runtime_put_sync(&venc.pdev->dev);
 	WARN_ON(r < 0);
 }
 
diff --git a/drivers/video/pvr2fb.c b/drivers/video/pvr2fb.c
index f9975100d56d..3a3fdc62c75b 100644
--- a/drivers/video/pvr2fb.c
+++ b/drivers/video/pvr2fb.c
@@ -1061,7 +1061,7 @@ static struct pvr2_board {
 	int (*init)(void);
 	void (*exit)(void);
 	char name[16];
-} board_driver[] = {
+} board_driver[] __refdata = {
 #ifdef CONFIG_SH_DREAMCAST
 	{ pvr2fb_dc_init, pvr2fb_dc_exit, "Sega DC PVR2" },
 #endif
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index d5aaca9cfa7e..8497727d66de 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -1810,7 +1810,11 @@ static void hw_init(void)
 		break;
 	}
 
+	/* magic required on VX900 for correct modesetting on IGA1 */
+	via_write_reg_mask(VIACR, 0x45, 0x00, 0x01);
+
 	/* probably this should go to the scaling code one day */
+	via_write_reg_mask(VIACR, 0xFD, 0, 0x80); /* VX900 hw scale on IGA2 */
 	viafb_write_regx(scaling_parameters, ARRAY_SIZE(scaling_parameters));
 
 	/* Fill VPIT Parameters */
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 95aeedf198f8..958e5129c601 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -367,29 +367,45 @@ static void __devexit virtballoon_remove(struct virtio_device *vdev)
 #ifdef CONFIG_PM
 static int virtballoon_freeze(struct virtio_device *vdev)
 {
+	struct virtio_balloon *vb = vdev->priv;
+
 	/*
 	 * The kthread is already frozen by the PM core before this
 	 * function is called.
 	 */
 
+	while (vb->num_pages)
+		leak_balloon(vb, vb->num_pages);
+	update_balloon_size(vb);
+
 	/* Ensure we don't get any more requests from the host */
 	vdev->config->reset(vdev);
 	vdev->config->del_vqs(vdev);
 	return 0;
 }
 
+static int restore_common(struct virtio_device *vdev)
+{
+	struct virtio_balloon *vb = vdev->priv;
+	int ret;
+
+	ret = init_vqs(vdev->priv);
+	if (ret)
+		return ret;
+
+	fill_balloon(vb, towards_target(vb));
+	update_balloon_size(vb);
+	return 0;
+}
+
 static int virtballoon_thaw(struct virtio_device *vdev)
 {
-	return init_vqs(vdev->priv);
+	return restore_common(vdev);
 }
 
 static int virtballoon_restore(struct virtio_device *vdev)
 {
 	struct virtio_balloon *vb = vdev->priv;
-	struct page *page, *page2;
-
-	/* We're starting from a clean slate */
-	vb->num_pages = 0;
 
 	/*
 	 * If a request wasn't complete at the time of freezing, this
@@ -397,12 +413,7 @@ static int virtballoon_restore(struct virtio_device *vdev)
 	 */
 	vb->need_stats_update = 0;
 
-	/* We don't have these pages in the balloon anymore! */
-	list_for_each_entry_safe(page, page2, &vb->pages, lru) {
-		list_del(&page->lru);
-		totalram_pages++;
-	}
-	return init_vqs(vdev->priv);
+	return restore_common(vdev);
 }
 #endif
 
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 877b107f77a7..df9e8f0e327d 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -1098,7 +1098,7 @@ config BOOKE_WDT_DEFAULT_TIMEOUT
 	  For Freescale Book-E processors, this is a number between 0 and 63.
 	  For other Book-E processors, this is a number between 0 and 3.
 
-	  The value can be overidden by the wdt_period command-line parameter.
+	  The value can be overridden by the wdt_period command-line parameter.
 
 # PPC64 Architecture
 
diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index 337265b47305..7c0fdfca2646 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -198,9 +198,13 @@ static long booke_wdt_ioctl(struct file *file,
 		booke_wdt_period = tmp;
 #endif
 		booke_wdt_set();
-		return 0;
+		/* Fall */
 	case WDIOC_GETTIMEOUT:
+#ifdef	CONFIG_FSL_BOOKE
+		return put_user(period_to_sec(booke_wdt_period), p);
+#else
 		return put_user(booke_wdt_period, p);
+#endif
 	default:
 		return -ENOTTY;
 	}
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 8464ea1c36a1..3c166d3f4e55 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -231,7 +231,7 @@ static int __devinit cru_detect(unsigned long map_entry,
 
 	cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE;
 
-	set_memory_x((unsigned long)bios32_entrypoint, (2 * PAGE_SIZE));
+	set_memory_x((unsigned long)bios32_map, 2);
 	asminline_call(&cmn_regs, bios32_entrypoint);
 
 	if (cmn_regs.u1.ral != 0) {
@@ -250,7 +250,8 @@ static int __devinit cru_detect(unsigned long map_entry,
 			cru_rom_addr =
 				ioremap(cru_physical_address, cru_length);
 			if (cru_rom_addr) {
-				set_memory_x((unsigned long)cru_rom_addr, cru_length);
+				set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK,
+					(cru_length + PAGE_SIZE - 1) >> PAGE_SHIFT);
 				retval = 0;
 			}
 		}
diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c
index 8e210aafdfd0..dfae030a7ef2 100644
--- a/drivers/watchdog/pnx4008_wdt.c
+++ b/drivers/watchdog/pnx4008_wdt.c
@@ -264,7 +264,7 @@ static int __devinit pnx4008_wdt_probe(struct platform_device *pdev)
 	wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (wdt_mem == NULL) {
 		printk(KERN_INFO MODULE_NAME
-			"failed to get memory region resouce\n");
+			"failed to get memory region resource\n");
 		return -ENOENT;
 	}
 
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 4bc3744e14e4..404172f02c9b 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -312,18 +312,26 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
 	dev = &pdev->dev;
 	wdt_dev = &pdev->dev;
 
-	/* get the memory region for the watchdog timer */
-
 	wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (wdt_mem == NULL) {
 		dev_err(dev, "no memory resource specified\n");
 		return -ENOENT;
 	}
 
+	wdt_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (wdt_irq == NULL) {
+		dev_err(dev, "no irq resource specified\n");
+		ret = -ENOENT;
+		goto err;
+	}
+
+	/* get the memory region for the watchdog timer */
+
 	size = resource_size(wdt_mem);
 	if (!request_mem_region(wdt_mem->start, size, pdev->name)) {
 		dev_err(dev, "failed to get memory region\n");
-		return -EBUSY;
+		ret = -EBUSY;
+		goto err;
 	}
 
 	wdt_base = ioremap(wdt_mem->start, size);
@@ -335,29 +343,17 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
 
 	DBG("probe: mapped wdt_base=%p\n", wdt_base);
 
-	wdt_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (wdt_irq == NULL) {
-		dev_err(dev, "no irq resource specified\n");
-		ret = -ENOENT;
-		goto err_map;
-	}
-
-	ret = request_irq(wdt_irq->start, s3c2410wdt_irq, 0, pdev->name, pdev);
-	if (ret != 0) {
-		dev_err(dev, "failed to install irq (%d)\n", ret);
-		goto err_map;
-	}
-
 	wdt_clock = clk_get(&pdev->dev, "watchdog");
 	if (IS_ERR(wdt_clock)) {
 		dev_err(dev, "failed to find watchdog clock source\n");
 		ret = PTR_ERR(wdt_clock);
-		goto err_irq;
+		goto err_map;
 	}
 
 	clk_enable(wdt_clock);
 
-	if (s3c2410wdt_cpufreq_register() < 0) {
+	ret = s3c2410wdt_cpufreq_register();
+	if (ret < 0) {
 		printk(KERN_ERR PFX "failed to register cpufreq\n");
 		goto err_clk;
 	}
@@ -378,12 +374,18 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
 							"cannot start\n");
 	}
 
+	ret = request_irq(wdt_irq->start, s3c2410wdt_irq, 0, pdev->name, pdev);
+	if (ret != 0) {
+		dev_err(dev, "failed to install irq (%d)\n", ret);
+		goto err_cpufreq;
+	}
+
 	watchdog_set_nowayout(&s3c2410_wdd, nowayout);
 
 	ret = watchdog_register_device(&s3c2410_wdd);
 	if (ret) {
 		dev_err(dev, "cannot register watchdog (%d)\n", ret);
-		goto err_cpufreq;
+		goto err_irq;
 	}
 
 	if (tmr_atboot && started == 0) {
@@ -408,23 +410,26 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
 
 	return 0;
 
+ err_irq:
+	free_irq(wdt_irq->start, pdev);
+
  err_cpufreq:
 	s3c2410wdt_cpufreq_deregister();
 
  err_clk:
 	clk_disable(wdt_clock);
 	clk_put(wdt_clock);
-
- err_irq:
-	free_irq(wdt_irq->start, pdev);
+	wdt_clock = NULL;
 
  err_map:
 	iounmap(wdt_base);
 
  err_req:
 	release_mem_region(wdt_mem->start, size);
-	wdt_mem = NULL;
 
+ err:
+	wdt_irq = NULL;
+	wdt_mem = NULL;
 	return ret;
 }
 
@@ -432,18 +437,18 @@ static int __devexit s3c2410wdt_remove(struct platform_device *dev)
 {
 	watchdog_unregister_device(&s3c2410_wdd);
 
+	free_irq(wdt_irq->start, dev);
+
 	s3c2410wdt_cpufreq_deregister();
 
 	clk_disable(wdt_clock);
 	clk_put(wdt_clock);
 	wdt_clock = NULL;
 
-	free_irq(wdt_irq->start, dev);
-	wdt_irq = NULL;
-
 	iounmap(wdt_base);
 
 	release_mem_region(wdt_mem->start, resource_size(wdt_mem));
+	wdt_irq = NULL;
 	wdt_mem = NULL;
 	return 0;
 }
diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index 14e2d995e958..4dcfced107f5 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -30,7 +30,8 @@ static int vcpu_online(unsigned int cpu)
 	sprintf(dir, "cpu/%u", cpu);
 	err = xenbus_scanf(XBT_NIL, dir, "availability", "%s", state);
 	if (err != 1) {
-		printk(KERN_ERR "XENBUS: Unable to read cpu state\n");
+		if (!xen_initial_domain())
+			printk(KERN_ERR "XENBUS: Unable to read cpu state\n");
 		return err;
 	}
 
diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c
index 7944a17f5cbf..19834d1c7c36 100644
--- a/drivers/xen/xen-pciback/pci_stub.c
+++ b/drivers/xen/xen-pciback/pci_stub.c
@@ -884,7 +884,7 @@ static inline int str_to_quirk(const char *buf, int *domain, int *bus, int
 	int err;
 
 	err =
-	    sscanf(buf, " %04x:%02x:%02x.%1x-%08x:%1x:%08x", domain, bus, slot,
+	    sscanf(buf, " %04x:%02x:%02x.%d-%08x:%1x:%08x", domain, bus, slot,
 		   func, reg, size, mask);
 	if (err == 7)
 		return 0;
@@ -904,7 +904,7 @@ static int pcistub_device_id_add(int domain, int bus, int slot, int func)
 	pci_dev_id->bus = bus;
 	pci_dev_id->devfn = PCI_DEVFN(slot, func);
 
-	pr_debug(DRV_NAME ": wants to seize %04x:%02x:%02x.%01x\n",
+	pr_debug(DRV_NAME ": wants to seize %04x:%02x:%02x.%d\n",
 		 domain, bus, slot, func);
 
 	spin_lock_irqsave(&device_ids_lock, flags);
@@ -934,7 +934,7 @@ static int pcistub_device_id_remove(int domain, int bus, int slot, int func)
 
 			err = 0;
 
-			pr_debug(DRV_NAME ": removed %04x:%02x:%02x.%01x from "
+			pr_debug(DRV_NAME ": removed %04x:%02x:%02x.%d from "
 				 "seize list\n", domain, bus, slot, func);
 		}
 	}
@@ -1029,7 +1029,7 @@ static ssize_t pcistub_slot_show(struct device_driver *drv, char *buf)
 			break;
 
 		count += scnprintf(buf + count, PAGE_SIZE - count,
-				   "%04x:%02x:%02x.%01x\n",
+				   "%04x:%02x:%02x.%d\n",
 				   pci_dev_id->domain, pci_dev_id->bus,
 				   PCI_SLOT(pci_dev_id->devfn),
 				   PCI_FUNC(pci_dev_id->devfn));
diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index d5dcf8d5d3d9..64b11f99eacc 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -206,6 +206,7 @@ static int xen_pcibk_publish_pci_dev(struct xen_pcibk_device *pdev,
 		goto out;
 	}
 
+	/* Note: The PV protocol uses %02x, don't change it */
 	err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, str,
 			    "%04x:%02x:%02x.%02x", domain, bus,
 			    PCI_SLOT(devfn), PCI_FUNC(devfn));
@@ -229,7 +230,7 @@ static int xen_pcibk_export_device(struct xen_pcibk_device *pdev,
 		err = -EINVAL;
 		xenbus_dev_fatal(pdev->xdev, err,
 				 "Couldn't locate PCI device "
-				 "(%04x:%02x:%02x.%01x)! "
+				 "(%04x:%02x:%02x.%d)! "
 				 "perhaps already in-use?",
 				 domain, bus, slot, func);
 		goto out;
@@ -274,7 +275,7 @@ static int xen_pcibk_remove_device(struct xen_pcibk_device *pdev,
 	if (!dev) {
 		err = -EINVAL;
 		dev_dbg(&pdev->xdev->dev, "Couldn't locate PCI device "
-			"(%04x:%02x:%02x.%01x)! not owned by this domain\n",
+			"(%04x:%02x:%02x.%d)! not owned by this domain\n",
 			domain, bus, slot, func);
 		goto out;
 	}
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index 527dc2a3b89f..89f76252a16f 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -369,6 +369,10 @@ static int xenbus_write_watch(unsigned msg_type, struct xenbus_file_priv *u)
 		goto out;
 	}
 	token++;
+	if (memchr(token, 0, u->u.msg.len - (token - path)) == NULL) {
+		rc = -EILSEQ;
+		goto out;
+	}
 
 	if (msg_type == XS_WATCH) {
 		watch = alloc_watch_adapter(path, token);