[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>
diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c
index fc09ba9..af2f3d5 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 @@
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 @@
}
}
- up(&clocks_sem);
+ mutex_unlock(&clocks_mutex);
return clk;
}
@@ -362,9 +363,9 @@
/* 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;
}