[linux-2.6-block.git] / arch / mips / include / asm / spinlock.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org)
 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
 */
#ifndef _ASM_SPINLOCK_H
#define _ASM_SPINLOCK_H

#include <asm/processor.h>

#include <asm-generic/qspinlock_types.h>

#define	queued_spin_unlock queued_spin_unlock
/**
 * queued_spin_unlock - release a queued spinlock
 * @lock : Pointer to queued spinlock structure
 */
static inline void queued_spin_unlock(struct qspinlock *lock)
{
	/* This could be optimised with ARCH_HAS_MMIOWB */
	mmiowb();
	smp_store_release(&lock->locked, 0);
}

#include <asm/qspinlock.h>
#include <asm/qrwlock.h>

#endif /* _ASM_SPINLOCK_H */
Commit	Line	Data
1da177e4 LT	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	*
f65e4fa8	6	* Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org)
1da177e4 LT	7	* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
	8	*/
	9	#ifndef _ASM_SPINLOCK_H
	10	#define _ASM_SPINLOCK_H
	11
726328d9	12	#include <asm/processor.h>
346e91ee WD	13
	14	#include <asm-generic/qspinlock_types.h>
	15
	16	#define queued_spin_unlock queued_spin_unlock
	17	/**
	18	* queued_spin_unlock - release a queued spinlock
	19	* @lock : Pointer to queued spinlock structure
	20	*/
	21	static inline void queued_spin_unlock(struct qspinlock *lock)
	22	{
	23	/* This could be optimised with ARCH_HAS_MMIOWB */
	24	mmiowb();
	25	smp_store_release(&lock->locked, 0);
	26	}
	27
0b17c967	28	#include <asm/qspinlock.h>
d8d0da4e	29	#include <asm/qrwlock.h>
1da177e4	30
1da177e4	31	#endif /* _ASM_SPINLOCK_H */