rapidio: add enabling SRIO port RX and TX

[safe/jmp/linux-2.6] / include / linux / mutex.h

diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 93054fc..878cab4 100644 (file)
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -150,28 +150,6 @@ extern int __must_check mutex_lock_killable(struct mutex *lock);
  */
 extern int mutex_trylock(struct mutex *lock);
 extern void mutex_unlock(struct mutex *lock);
-
-/**
- * atomic_dec_and_mutex_lock - return holding mutex if we dec to 0
- * @cnt: the atomic which we are to dec
- * @lock: the mutex to return holding if we dec to 0
- *
- * return true and hold lock if we dec to 0, return false otherwise
- */
-static inline int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock)
-{
-       /* dec if we can't possibly hit 0 */
-       if (atomic_add_unless(cnt, -1, 1))
-               return 0;
-       /* we might hit 0, so take the lock */
-       mutex_lock(lock);
-       if (!atomic_dec_and_test(cnt)) {
-               /* when we actually did the dec, we didn't hit 0 */
-               mutex_unlock(lock);
-               return 0;
-       }
-       /* we hit 0, and we hold the lock */
-       return 1;
-}
+extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock);
 
 #endif