1 files changed, 1 insertions, 107 deletions

diff --git a/include/asm-s390/semaphore.h b/include/asm-s390/semaphore.h
index 0e7001ad8392..d9b2034ed1d2 100644
--- a/include/asm-s390/semaphore.h
+++ b/include/asm-s390/semaphore.h
@@ -1,107 +1 @@
-/*
- *  include/asm-s390/semaphore.h
- *
- *  S390 version
- *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
- *
- *  Derived from "include/asm-i386/semaphore.h"
- *    (C) Copyright 1996 Linus Torvalds
- */
-
-#ifndef _S390_SEMAPHORE_H
-#define _S390_SEMAPHORE_H
-
-#include <asm/system.h>
-#include <asm/atomic.h>
-#include <linux/wait.h>
-#include <linux/rwsem.h>
-
-struct semaphore {
-        /*
-         * Note that any negative value of count is equivalent to 0,
-         * but additionally indicates that some process(es) might be
-         * sleeping on `wait'.
-         */
-        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);
-}
-
-asmlinkage void __down(struct semaphore * sem);
-asmlinkage int  __down_interruptible(struct semaphore * sem);
-asmlinkage int  __down_trylock(struct semaphore * sem);
-asmlinkage void __up(struct semaphore * sem);
-
-static inline void down(struct semaphore * sem)
-{
-        might_sleep();
-        if (atomic_dec_return(&sem->count) < 0)
-                __down(sem);
-}
-
-static inline int down_interruptible(struct semaphore * sem)
-{
-        int ret = 0;
-
-        might_sleep();
-        if (atomic_dec_return(&sem->count) < 0)
-                ret = __down_interruptible(sem);
-        return ret;
-}
-
-static inline int down_trylock(struct semaphore * sem)
-{
-        int old_val, new_val;
-
-        /*
-         * This inline assembly atomically implements the equivalent
-         * to the following C code:
-         *   old_val = sem->count.counter;
-         *   if ((new_val = old_val) > 0)
-         *       sem->count.counter = --new_val;
-         * In the ppc code this is called atomic_dec_if_positive.
-         */
-        asm volatile(
-                "       l       %0,0(%3)\n"
-                "0:     ltr     %1,%0\n"
-                "       jle     1f\n"
-                "       ahi     %1,-1\n"
-                "       cs      %0,%1,0(%3)\n"
-                "       jl      0b\n"
-                "1:"
-                : "=&d" (old_val), "=&d" (new_val), "=m" (sem->count.counter)
-                : "a" (&sem->count.counter), "m" (sem->count.counter)
-                : "cc", "memory");
-        return old_val <= 0;
-}
-
-static inline void up(struct semaphore * sem)
-{
-        if (atomic_inc_return(&sem->count) <= 0)
-                __up(sem);
-}
-
-#endif
+#include <linux/semaphore.h>