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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 07:40:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 07:40:55 -0700
commit44d84afa834b799560d7dbe47250ad7557f5ca2f (patch)
treed18b90078503c956d32f9f0c6524bc43ece96b25 /drivers
parentf8201abcb2badce7eaa6a3715f9a228cfd88a453 (diff)
parent11b55da700eb77905f1c2dde3a0cbeedc665a753 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (28 commits) powerpc: Fix oops when loading modules powerpc: Wire up preadv and pwritev powerpc/ftrace: Fix printf format warning powerpc/ftrace: Fix #if that should be #ifdef powerpc: Fix ptrace compat wrapper for FPU register access powerpc: Print information about mapping hw irqs to virtual irqs powerpc: Correct dependency of KEXEC powerpc: Disable VSX or current process in giveup_fpu/altivec powerpc/pseries: Enable relay in pseries_defconfig powerpc/pseries: Fix ibm,client-architecture comment powerpc/pseries: Scan for all events in rtasd powerpc/pseries: Add dispatch dispersion statistics powerpc: Clean up some prom printouts powerpc: Print progress of ibm,client-architecture method powerpc: Remove duplicated #include's powerpc/pmac: Fix internal modem IRQ on Wallstreet PowerBook powerpc/wdrtas: Update wdrtas_get_interval to use rtas_data_buf fsl-diu-fb: Pass the proper device for dma mapping routines powerpc/pq2fads: Update device tree for use with device-tree-aware u-boot. cpm_uart: Disable CPM udbg when re-initing CPM uart, even if not the console. ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c14
-rw-r--r--drivers/serial/pmac_zilog.c15
-rw-r--r--drivers/video/fsl-diu-fb.c34
-rw-r--r--drivers/watchdog/wdrtas.c13
4 files changed, 54 insertions, 22 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 5c6ef51da274..f8df0681e160 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -1106,6 +1106,10 @@ static int cpm_uart_init_port(struct device_node *np,
for (i = 0; i < NUM_GPIOS; i++)
pinfo->gpios[i] = of_get_gpio(np, i);
+#ifdef CONFIG_PPC_EARLY_DEBUG_CPM
+ udbg_putc = NULL;
+#endif
+
return cpm_uart_request_port(&pinfo->port);
out_pram:
@@ -1255,10 +1259,6 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
baud = 9600;
}
-#ifdef CONFIG_PPC_EARLY_DEBUG_CPM
- udbg_putc = NULL;
-#endif
-
if (IS_SMC(pinfo)) {
out_be16(&pinfo->smcup->smc_brkcr, 0);
cpm_line_cr_cmd(pinfo, CPM_CR_STOP_TX);
@@ -1339,13 +1339,13 @@ static int __devinit cpm_uart_probe(struct of_device *ofdev,
dev_set_drvdata(&ofdev->dev, pinfo);
+ /* initialize the device pointer for the port */
+ pinfo->port.dev = &ofdev->dev;
+
ret = cpm_uart_init_port(ofdev->node, pinfo);
if (ret)
return ret;
- /* initialize the device pointer for the port */
- pinfo->port.dev = &ofdev->dev;
-
return uart_add_one_port(&cpm_reg, &pinfo->port);
}
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index ad3488504010..9c1243fbd512 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1538,6 +1538,21 @@ no_dma:
uap->port.type = PORT_PMAC_ZILOG;
uap->port.flags = 0;
+ /*
+ * Fixup for the port on Gatwick for which the device-tree has
+ * missing interrupts. Normally, the macio_dev would contain
+ * fixed up interrupt info, but we use the device-tree directly
+ * here due to early probing so we need the fixup too.
+ */
+ if (uap->port.irq == NO_IRQ &&
+ np->parent && np->parent->parent &&
+ of_device_is_compatible(np->parent->parent, "gatwick")) {
+ /* IRQs on gatwick are offset by 64 */
+ uap->port.irq = irq_create_mapping(NULL, 64 + 15);
+ uap->tx_dma_irq = irq_create_mapping(NULL, 64 + 4);
+ uap->rx_dma_irq = irq_create_mapping(NULL, 64 + 5);
+ }
+
/* Setup some valid baud rate information in the register
* shadows so we don't write crap there before baud rate is
* first initialized.
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index fb51197d1c98..f153c581cbd7 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -1352,14 +1352,15 @@ static int fsl_diu_resume(struct of_device *ofdev)
#endif /* CONFIG_PM */
/* Align to 64-bit(8-byte), 32-byte, etc. */
-static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align)
+static int allocate_buf(struct device *dev, struct diu_addr *buf, u32 size,
+ u32 bytes_align)
{
u32 offset, ssize;
u32 mask;
dma_addr_t paddr = 0;
ssize = size + bytes_align;
- buf->vaddr = dma_alloc_coherent(NULL, ssize, &paddr, GFP_DMA |
+ buf->vaddr = dma_alloc_coherent(dev, ssize, &paddr, GFP_DMA |
__GFP_ZERO);
if (!buf->vaddr)
return -ENOMEM;
@@ -1376,9 +1377,10 @@ static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align)
return 0;
}
-static void free_buf(struct diu_addr *buf, u32 size, u32 bytes_align)
+static void free_buf(struct device *dev, struct diu_addr *buf, u32 size,
+ u32 bytes_align)
{
- dma_free_coherent(NULL, size + bytes_align,
+ dma_free_coherent(dev, size + bytes_align,
buf->vaddr, (buf->paddr - buf->offset));
return;
}
@@ -1476,17 +1478,19 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev,
machine_data->monitor_port = monitor_port;
/* Area descriptor memory pool aligns to 64-bit boundary */
- if (allocate_buf(&pool.ad, sizeof(struct diu_ad) * FSL_AOI_NUM, 8))
+ if (allocate_buf(&ofdev->dev, &pool.ad,
+ sizeof(struct diu_ad) * FSL_AOI_NUM, 8))
return -ENOMEM;
/* Get memory for Gamma Table - 32-byte aligned memory */
- if (allocate_buf(&pool.gamma, 768, 32)) {
+ if (allocate_buf(&ofdev->dev, &pool.gamma, 768, 32)) {
ret = -ENOMEM;
goto error;
}
/* For performance, cursor bitmap buffer aligns to 32-byte boundary */
- if (allocate_buf(&pool.cursor, MAX_CURS * MAX_CURS * 2, 32)) {
+ if (allocate_buf(&ofdev->dev, &pool.cursor, MAX_CURS * MAX_CURS * 2,
+ 32)) {
ret = -ENOMEM;
goto error;
}
@@ -1554,11 +1558,13 @@ error:
i > 0; i--)
uninstall_fb(machine_data->fsl_diu_info[i - 1]);
if (pool.ad.vaddr)
- free_buf(&pool.ad, sizeof(struct diu_ad) * FSL_AOI_NUM, 8);
+ free_buf(&ofdev->dev, &pool.ad,
+ sizeof(struct diu_ad) * FSL_AOI_NUM, 8);
if (pool.gamma.vaddr)
- free_buf(&pool.gamma, 768, 32);
+ free_buf(&ofdev->dev, &pool.gamma, 768, 32);
if (pool.cursor.vaddr)
- free_buf(&pool.cursor, MAX_CURS * MAX_CURS * 2, 32);
+ free_buf(&ofdev->dev, &pool.cursor, MAX_CURS * MAX_CURS * 2,
+ 32);
if (machine_data->dummy_aoi_virt)
fsl_diu_free(machine_data->dummy_aoi_virt, 64);
iounmap(dr.diu_reg);
@@ -1584,11 +1590,13 @@ static int fsl_diu_remove(struct of_device *ofdev)
for (i = ARRAY_SIZE(machine_data->fsl_diu_info); i > 0; i--)
uninstall_fb(machine_data->fsl_diu_info[i - 1]);
if (pool.ad.vaddr)
- free_buf(&pool.ad, sizeof(struct diu_ad) * FSL_AOI_NUM, 8);
+ free_buf(&ofdev->dev, &pool.ad,
+ sizeof(struct diu_ad) * FSL_AOI_NUM, 8);
if (pool.gamma.vaddr)
- free_buf(&pool.gamma, 768, 32);
+ free_buf(&ofdev->dev, &pool.gamma, 768, 32);
if (pool.cursor.vaddr)
- free_buf(&pool.cursor, MAX_CURS * MAX_CURS * 2, 32);
+ free_buf(&ofdev->dev, &pool.cursor, MAX_CURS * MAX_CURS * 2,
+ 32);
if (machine_data->dummy_aoi_virt)
fsl_diu_free(machine_data->dummy_aoi_virt, 64);
iounmap(dr.diu_reg);
diff --git a/drivers/watchdog/wdrtas.c b/drivers/watchdog/wdrtas.c
index 5d3b1a8e28b0..a38fa4907c92 100644
--- a/drivers/watchdog/wdrtas.c
+++ b/drivers/watchdog/wdrtas.c
@@ -106,6 +106,8 @@ static int wdrtas_set_interval(int interval)
return result;
}
+#define WDRTAS_SP_SPI_LEN 4
+
/**
* wdrtas_get_interval - returns the current watchdog interval
* @fallback_value: value (in seconds) to use, if the RTAS call fails
@@ -119,10 +121,17 @@ static int wdrtas_set_interval(int interval)
static int wdrtas_get_interval(int fallback_value)
{
long result;
- char value[4];
+ char value[WDRTAS_SP_SPI_LEN];
+ spin_lock(&rtas_data_buf_lock);
+ memset(rtas_data_buf, 0, WDRTAS_SP_SPI_LEN);
result = rtas_call(wdrtas_token_get_sp, 3, 1, NULL,
- WDRTAS_SP_SPI, (void *)__pa(&value), 4);
+ WDRTAS_SP_SPI, __pa(rtas_data_buf),
+ WDRTAS_SP_SPI_LEN);
+
+ memcpy(value, rtas_data_buf, WDRTAS_SP_SPI_LEN);
+ spin_unlock(&rtas_data_buf_lock);
+
if (value[0] != 0 || value[1] != 2 || value[3] != 0 || result < 0) {
printk(KERN_WARNING "wdrtas: could not get sp_spi watchdog "
"timeout (%li). Continuing\n", result);