X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-ia64%2Fsemaphore.h;h=f483eeb95dd1dabfd248803492bb0a6a7561b6ec;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=3a2f0f3f78f37255d15a0f364031d519fd8add66;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/include/asm-ia64/semaphore.h b/include/asm-ia64/semaphore.h
index 3a2f0f3f7..f483eeb95 100644
--- a/include/asm-ia64/semaphore.h
+++ b/include/asm-ia64/semaphore.h
@@ -24,8 +24,6 @@ struct semaphore {
 	.wait		= __WAIT_QUEUE_HEAD_INITIALIZER((name).wait)	\
 }
 
-#define __MUTEX_INITIALIZER(name)	__SEMAPHORE_INITIALIZER(name,1)
-
 #define __DECLARE_SEMAPHORE_GENERIC(name,count)					\
 	struct semaphore name = __SEMAPHORE_INITIALIZER(name, count)
 
@@ -63,7 +61,7 @@ static inline void
 down (struct semaphore *sem)
 {
 	might_sleep();
-	if (atomic_dec_return(&sem->count) < 0)
+	if (ia64_fetchadd(-1, &sem->count.counter, acq) < 1)
 		__down(sem);
 }
 
@@ -77,7 +75,7 @@ down_interruptible (struct semaphore * sem)
 	int ret = 0;
 
 	might_sleep();
-	if (atomic_dec_return(&sem->count) < 0)
+	if (ia64_fetchadd(-1, &sem->count.counter, acq) < 1)
 		ret = __down_interruptible(sem);
 	return ret;
 }
@@ -87,7 +85,7 @@ down_trylock (struct semaphore *sem)
 {
 	int ret = 0;
 
-	if (atomic_dec_return(&sem->count) < 0)
+	if (ia64_fetchadd(-1, &sem->count.counter, acq) < 1)
 		ret = __down_trylock(sem);
 	return ret;
 }
@@ -95,7 +93,7 @@ down_trylock (struct semaphore *sem)
 static inline void
 up (struct semaphore * sem)
 {
-	if (atomic_inc_return(&sem->count) <= 0)
+	if (ia64_fetchadd(1, &sem->count.counter, rel) <= -1)
 		__up(sem);
 }