1/*
 2 * This file is subject to the terms and conditions of the GNU General Public
 3 * License.  See the file "COPYING" in the main directory of this archive
 4 * for more details.
 5 *
 6 * Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org)
 7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
 8 */
 9#ifndef _ASM_SPINLOCK_H
10#define _ASM_SPINLOCK_H
11
12#include <asm/processor.h>
13#include <asm/qrwlock.h>
14
15#include <asm-generic/qspinlock_types.h>
16
17#define	queued_spin_unlock queued_spin_unlock
18/**
19 * queued_spin_unlock - release a queued spinlock
20 * @lock : Pointer to queued spinlock structure
21 */
22static inline void queued_spin_unlock(struct qspinlock *lock)
23{
24	/* This could be optimised with ARCH_HAS_MMIOWB */
25	mmiowb();
26	smp_store_release(&lock->locked, 0);
27}
28
29#include <asm/qspinlock.h>
30
31#endif /* _ASM_SPINLOCK_H */

 1/*
 2 * This file is subject to the terms and conditions of the GNU General Public
 3 * License.  See the file "COPYING" in the main directory of this archive
 4 * for more details.
 5 *
 6 * Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org)
 7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
 8 */
 9#ifndef _ASM_SPINLOCK_H
10#define _ASM_SPINLOCK_H
11
12#include <asm/processor.h>
13#include <asm/qrwlock.h>
14
15#include <asm-generic/qspinlock_types.h>
16
17#define	queued_spin_unlock queued_spin_unlock
18/**
19 * queued_spin_unlock - release a queued spinlock
20 * @lock : Pointer to queued spinlock structure
21 */
22static inline void queued_spin_unlock(struct qspinlock *lock)
23{
24	/* This could be optimised with ARCH_HAS_MMIOWB */
25	mmiowb();
26	smp_store_release(&lock->locked, 0);
27}
28
29#include <asm/qspinlock.h>
30
31#endif /* _ASM_SPINLOCK_H */