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authorArjan van de Ven <arjan@infradead.org>2006-01-12 18:42:23 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-01-12 18:42:23 +0000
commit00431707be0cc1236ee08459367872b57da5be29 (patch)
tree0a57cbf54f1fcc9ef2852e68e96c3b99e1b903d8 /arch/arm/mach-s3c2410/clock.c
parentf4619025a51747a3788fd1bb6bdc46e368a889a7 (diff)
[ARM] Convert some arm semaphores to mutexes
The arm clock semaphores are strict mutexes, convert them to the new mutex implementation Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-s3c2410/clock.c')
-rw-r--r--arch/arm/mach-s3c2410/clock.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c
index fc09ba92d66..af2f3d52b61 100644
--- a/arch/arm/mach-s3c2410/clock.c
+++ b/arch/arm/mach-s3c2410/clock.c
@@ -37,6 +37,7 @@
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/clk.h>
+#include <linux/mutex.h>
#include <asm/hardware.h>
#include <asm/atomic.h>
@@ -51,7 +52,7 @@
/* clock information */
static LIST_HEAD(clocks);
-static DECLARE_MUTEX(clocks_sem);
+static DEFINE_MUTEX(clocks_mutex);
/* old functions */
@@ -102,7 +103,7 @@ struct clk *clk_get(struct device *dev, const char *id)
else
idno = to_platform_device(dev)->id;
- down(&clocks_sem);
+ mutex_lock(&clocks_mutex);
list_for_each_entry(p, &clocks, list) {
if (p->id == idno &&
@@ -126,7 +127,7 @@ struct clk *clk_get(struct device *dev, const char *id)
}
}
- up(&clocks_sem);
+ mutex_unlock(&clocks_mutex);
return clk;
}
@@ -362,9 +363,9 @@ int s3c24xx_register_clock(struct clk *clk)
/* add to the list of available clocks */
- down(&clocks_sem);
+ mutex_lock(&clocks_mutex);
list_add(&clk->list, &clocks);
- up(&clocks_sem);
+ mutex_unlock(&clocks_mutex);
return 0;
}