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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-09 11:43:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-09 11:43:18 -0700
commit8ea3f0afb23bc49a996f262ea04708b38de82bca (patch)
tree27f7708b3f165cab0fec7ac335fba146054d9f4a
parente92ba6d2ec8f83a26deb68dd3c2a195657dfdebe (diff)
parent7cf4b482f06df0b590a9bc1561a5a81d67e0fe4c (diff)
Merge branch 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung
* 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: SAMSUNG: Add a workaround for get_clock() for serial driver ARM: S5P: Bug fix on errors of build with CONFIG_PREEMPT_NONE ARM: SAMSUNG: Fix build warnings because of unused codes
-rw-r--r--arch/arm/mach-s5p6440/cpu.c1
-rw-r--r--arch/arm/mach-s5p6442/cpu.c1
-rw-r--r--arch/arm/mach-s5pc100/cpu.c1
-rw-r--r--arch/arm/mach-s5pv210/clock.c5
-rw-r--r--arch/arm/mach-s5pv210/cpu.c1
-rw-r--r--arch/arm/plat-samsung/adc.c1
-rw-r--r--arch/arm/plat-samsung/clock.c27
7 files changed, 30 insertions, 7 deletions
diff --git a/arch/arm/mach-s5p6440/cpu.c b/arch/arm/mach-s5p6440/cpu.c
index 526f33adb31d..ec592e866054 100644
--- a/arch/arm/mach-s5p6440/cpu.c
+++ b/arch/arm/mach-s5p6440/cpu.c
@@ -19,6 +19,7 @@
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
+#include <linux/sched.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
diff --git a/arch/arm/mach-s5p6442/cpu.c b/arch/arm/mach-s5p6442/cpu.c
index a48fb553fd01..70ac681af72b 100644
--- a/arch/arm/mach-s5p6442/cpu.c
+++ b/arch/arm/mach-s5p6442/cpu.c
@@ -19,6 +19,7 @@
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
+#include <linux/sched.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/cpu.c
index 251c92ac5b22..cd1afbce83e2 100644
--- a/arch/arm/mach-s5pc100/cpu.c
+++ b/arch/arm/mach-s5pc100/cpu.c
@@ -21,6 +21,7 @@
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
+#include <linux/sched.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index cfecd70657cb..d562670e1b0b 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -173,11 +173,6 @@ static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable)
return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
}
-static int s5pv210_clk_ip4_ctrl(struct clk *clk, int enable)
-{
- return s5p_gatectrl(S5P_CLKGATE_IP4, clk, enable);
-}
-
static int s5pv210_clk_mask0_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLK_SRC_MASK0, clk, enable);
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index 77f456c91ad3..245b82b53df4 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -19,6 +19,7 @@
#include <linux/io.h>
#include <linux/sysdev.h>
#include <linux/platform_device.h>
+#include <linux/sched.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index 04d9521ddc9f..e8f2be2d67f2 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 90a20512d68d..e8d20b0bc50e 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;