1/*
2 * Copyright (C) 2004-2006 Atmel Corporation
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8#ifndef __ASM_AVR32_BARRIER_H
9#define __ASM_AVR32_BARRIER_H
10
11/*
12 * Weirdest thing ever.. no full barrier, but it has a write barrier!
13 */
14#define wmb()	asm volatile("sync 0" : : : "memory")
15
16#ifdef CONFIG_SMP
17# error "The AVR32 port does not support SMP"
18#endif
19
20#include <asm-generic/barrier.h>
21
22#endif /* __ASM_AVR32_BARRIER_H */
23