|  | /* | 
|  | * Copyright (C) 2004-2006 Atmel Corporation | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License version 2 as | 
|  | * published by the Free Software Foundation. | 
|  | */ | 
|  | #ifndef __ASM_AVR32_BARRIER_H | 
|  | #define __ASM_AVR32_BARRIER_H | 
|  |  | 
|  | /* | 
|  | * Weirdest thing ever.. no full barrier, but it has a write barrier! | 
|  | */ | 
|  | #define wmb()	asm volatile("sync 0" : : : "memory") | 
|  |  | 
|  | #ifdef CONFIG_SMP | 
|  | # error "The AVR32 port does not support SMP" | 
|  | #endif | 
|  |  | 
|  | #include <asm-generic/barrier.h> | 
|  |  | 
|  | #endif /* __ASM_AVR32_BARRIER_H */ |