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authorGrant Likely <grant.likely@secretlab.ca>2010-10-18 09:25:09 -0600
committerGrant Likely <grant.likely@secretlab.ca>2010-10-18 09:25:09 -0600
commitdb181a8ee158fd0ccea2e2670c4f2d36af2814a0 (patch)
treed03adc3926b4aca7ee172d825b90fe965b4f01b9 /arch/arm/plat-samsung
parentee2007d299ad4020115b193858817e6c57e95db5 (diff)
parent9c0a788b4315b83f6138ffa15c56ccf541106e58 (diff)
Merge branch 'for-spi' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin into spi/next
Diffstat (limited to 'arch/arm/plat-samsung')
-rw-r--r--arch/arm/plat-samsung/adc.c1
-rw-r--r--arch/arm/plat-samsung/clock.c27
2 files changed, 26 insertions, 2 deletions
diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index 04d9521ddc9..e8f2be2d67f 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -435,7 +435,6 @@ static int s3c_adc_suspend(struct platform_device *pdev, pm_message_t state)
static int s3c_adc_resume(struct platform_device *pdev)
{
struct adc_device *adc = platform_get_drvdata(pdev);
- unsigned long flags;
clk_enable(adc->clk);
enable_irq(adc->irq);
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
index 90a20512d68..e8d20b0bc50 100644
--- a/arch/arm/plat-samsung/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -48,6 +48,9 @@
#include <plat/clock.h>
#include <plat/cpu.h>
+#include <linux/serial_core.h>
+#include <plat/regs-serial.h> /* for s3c24xx_uart_devs */
+
/* clock information */
static LIST_HEAD(clocks);
@@ -65,6 +68,28 @@ static int clk_null_enable(struct clk *clk, int enable)
return 0;
}
+static int dev_is_s3c_uart(struct device *dev)
+{
+ struct platform_device **pdev = s3c24xx_uart_devs;
+ int i;
+ for (i = 0; i < ARRAY_SIZE(s3c24xx_uart_devs); i++, pdev++)
+ if (*pdev && dev == &(*pdev)->dev)
+ return 1;
+ return 0;
+}
+
+/*
+ * Serial drivers call get_clock() very early, before platform bus
+ * has been set up, this requires a special check to let them get
+ * a proper clock
+ */
+
+static int dev_is_platform_device(struct device *dev)
+{
+ return dev->bus == &platform_bus_type ||
+ (dev->bus == NULL && dev_is_s3c_uart(dev));
+}
+
/* Clock API calls */
struct clk *clk_get(struct device *dev, const char *id)
@@ -73,7 +98,7 @@ struct clk *clk_get(struct device *dev, const char *id)
struct clk *clk = ERR_PTR(-ENOENT);
int idno;
- if (dev == NULL || dev->bus != &platform_bus_type)
+ if (dev == NULL || !dev_is_platform_device(dev))
idno = -1;
else
idno = to_platform_device(dev)->id;