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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-19 17:17:34 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 17:17:34 +0100 |
commit | cf816ecb533ab96b883dfdc0db174598b5b5c4d2 (patch) | |
tree | 1b7705db288ae2917105e624b01fdf81e0882bf1 /include/asm-sparc64/semaphore.h | |
parent | Merge branch 'omap2-upstream' into devel (diff) | |
parent | [ARM] Remove leds-tosa.c (diff) | |
download | linux-dev-cf816ecb533ab96b883dfdc0db174598b5b5c4d2.tar.xz linux-dev-cf816ecb533ab96b883dfdc0db174598b5b5c4d2.zip |
Merge branch 'merge-fixes' into devel
Diffstat (limited to 'include/asm-sparc64/semaphore.h')
-rw-r--r-- | include/asm-sparc64/semaphore.h | 54 |
1 files changed, 1 insertions, 53 deletions
diff --git a/include/asm-sparc64/semaphore.h b/include/asm-sparc64/semaphore.h index 7f7c0c4e024f..d9b2034ed1d2 100644 --- a/include/asm-sparc64/semaphore.h +++ b/include/asm-sparc64/semaphore.h @@ -1,53 +1 @@ -#ifndef _SPARC64_SEMAPHORE_H -#define _SPARC64_SEMAPHORE_H - -/* These are actually reasonable on the V9. - * - * See asm-ppc/semaphore.h for implementation commentary, - * only sparc64 specific issues are commented here. - */ -#ifdef __KERNEL__ - -#include <asm/atomic.h> -#include <asm/system.h> -#include <linux/wait.h> -#include <linux/rwsem.h> - -struct semaphore { - atomic_t count; - wait_queue_head_t wait; -}; - -#define __SEMAPHORE_INITIALIZER(name, count) \ - { ATOMIC_INIT(count), \ - __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) } - -#define __DECLARE_SEMAPHORE_GENERIC(name, count) \ - struct semaphore name = __SEMAPHORE_INITIALIZER(name,count) - -#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name, 1) - -static inline void sema_init (struct semaphore *sem, int val) -{ - atomic_set(&sem->count, val); - init_waitqueue_head(&sem->wait); -} - -static inline void init_MUTEX (struct semaphore *sem) -{ - sema_init(sem, 1); -} - -static inline void init_MUTEX_LOCKED (struct semaphore *sem) -{ - sema_init(sem, 0); -} - -extern void up(struct semaphore *sem); -extern void down(struct semaphore *sem); -extern int down_trylock(struct semaphore *sem); -extern int down_interruptible(struct semaphore *sem); - -#endif /* __KERNEL__ */ - -#endif /* !(_SPARC64_SEMAPHORE_H) */ +#include <linux/semaphore.h> |