1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_SH_MMIOWB_H
3 #define __ASM_SH_MMIOWB_H
4 
5 #include <asm/barrier.h>
6 
7 /* synco on SH-4A, otherwise a nop */
8 #define mmiowb()			wmb()
9 
10 #include <asm-generic/mmiowb.h>
11 
12 #endif	/* __ASM_SH_MMIOWB_H */
13