summaryrefslogtreecommitdiff
path: root/arch/sh/drivers
diff options
context:
space:
mode:
authorFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:09:09 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:12:33 +0200
commit0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch)
tree94a8d419a470a4f9852ca397bb9bbe48db92ff5c /arch/sh/drivers
parentdca2d6ac09d9ef59ff46820d4f0c94b08a671202 (diff)
parentf39cdf25bf77219676ec5360980ac40b1a7e144a (diff)
Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts: kernel/Makefile kernel/trace/Makefile kernel/trace/trace.h samples/Makefile Merge reason: We need to be uptodate with the perf events development branch because we plan to rewrite the breakpoints API on top of perf events.
Diffstat (limited to 'arch/sh/drivers')
-rw-r--r--arch/sh/drivers/dma/Kconfig18
-rw-r--r--arch/sh/drivers/dma/Makefile3
-rw-r--r--arch/sh/drivers/heartbeat.c10
-rw-r--r--arch/sh/drivers/pci/pci.c4
4 files changed, 27 insertions, 8 deletions
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index 63e9dd30b41c..4d58eb0973d4 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -1,12 +1,9 @@
menu "DMA support"
-config SH_DMA_API
- bool
config SH_DMA
bool "SuperH on-chip DMA controller (DMAC) support"
depends on CPU_SH3 || CPU_SH4
- select SH_DMA_API
default n
config SH_DMA_IRQ_MULTI
@@ -19,6 +16,15 @@ config SH_DMA_IRQ_MULTI
CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
CPU_SUBTYPE_SH7760
+config SH_DMA_API
+ depends on SH_DMA
+ bool "SuperH DMA API support"
+ default n
+ help
+ SH_DMA_API always enabled DMA API of used SuperH.
+ If you want to use DMA ENGINE, you must not enable this.
+ Please enable DMA_ENGINE and SH_DMAE.
+
config NR_ONCHIP_DMA_CHANNELS
int
depends on SH_DMA
@@ -27,12 +33,12 @@ config NR_ONCHIP_DMA_CHANNELS
default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R || \
CPU_SUBTYPE_SH7760
default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7780 || \
- CPU_SUBTYPE_SH7785
+ CPU_SUBTYPE_SH7785 || CPU_SUBTYPE_SH7724
default "6"
help
This allows you to specify the number of channels that the on-chip
- DMAC supports. This will be 4 for SH7091/SH7750/SH7751 and 8 for the
- SH7750R/SH7751R.
+ DMAC supports. This will be 4 for SH7750/SH7751/Sh7750S/SH7091 and 8 for the
+ SH7750R/SH7751R/SH7760, 12 for the SH7723/SH7780/SH7785/SH7724, default is 6.
config NR_DMA_CHANNELS_BOOL
depends on SH_DMA
diff --git a/arch/sh/drivers/dma/Makefile b/arch/sh/drivers/dma/Makefile
index c6068137b46f..d88c9484762c 100644
--- a/arch/sh/drivers/dma/Makefile
+++ b/arch/sh/drivers/dma/Makefile
@@ -2,8 +2,7 @@
# Makefile for the SuperH DMA specific kernel interface routines under Linux.
#
-obj-$(CONFIG_SH_DMA_API) += dma-api.o dma-sysfs.o
-obj-$(CONFIG_SH_DMA) += dma-sh.o
+obj-$(CONFIG_SH_DMA_API) += dma-sh.o dma-api.o dma-sysfs.o
obj-$(CONFIG_PVR2_DMA) += dma-pvr2.o
obj-$(CONFIG_G2_DMA) += dma-g2.o
obj-$(CONFIG_SH_DMABRG) += dmabrg.o
diff --git a/arch/sh/drivers/heartbeat.c b/arch/sh/drivers/heartbeat.c
index 938817e34e2b..a9339a6174fc 100644
--- a/arch/sh/drivers/heartbeat.c
+++ b/arch/sh/drivers/heartbeat.c
@@ -40,14 +40,19 @@ static inline void heartbeat_toggle_bit(struct heartbeat_data *hd,
if (inverted)
new = ~new;
+ new &= hd->mask;
+
switch (hd->regsize) {
case 32:
+ new |= ioread32(hd->base) & ~hd->mask;
iowrite32(new, hd->base);
break;
case 16:
+ new |= ioread16(hd->base) & ~hd->mask;
iowrite16(new, hd->base);
break;
default:
+ new |= ioread8(hd->base) & ~hd->mask;
iowrite8(new, hd->base);
break;
}
@@ -72,6 +77,7 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
{
struct resource *res;
struct heartbeat_data *hd;
+ int i;
if (unlikely(pdev->num_resources != 1)) {
dev_err(&pdev->dev, "invalid number of resources\n");
@@ -107,6 +113,10 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
hd->nr_bits = ARRAY_SIZE(default_bit_pos);
}
+ hd->mask = 0;
+ for (i = 0; i < hd->nr_bits; i++)
+ hd->mask |= (1 << hd->bit_pos[i]);
+
if (!hd->regsize)
hd->regsize = 8; /* default access size */
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 9a1c423ad167..c481df639022 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -295,6 +295,8 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
vma->vm_page_prot);
}
+#ifndef CONFIG_GENERIC_IOMAP
+
static void __iomem *ioport_map_pci(struct pci_dev *dev,
unsigned long port, unsigned int nr)
{
@@ -346,6 +348,8 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
}
EXPORT_SYMBOL(pci_iounmap);
+#endif /* CONFIG_GENERIC_IOMAP */
+
#ifdef CONFIG_HOTPLUG
EXPORT_SYMBOL(pcibios_resource_to_bus);
EXPORT_SYMBOL(pcibios_bus_to_resource);