[thirdparty/linux.git] / arch / riscv / include / asm / mmiowb.h

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _ASM_RISCV_MMIOWB_H
#define _ASM_RISCV_MMIOWB_H

/*
 * "o,w" is sufficient to ensure that all writes to the device have completed
 * before the write to the spinlock is allowed to commit.
 */
#define mmiowb()	__asm__ __volatile__ ("fence o,w" : : : "memory");

#include <linux/smp.h>
#include <asm-generic/mmiowb.h>

#endif	/* _ASM_RISCV_MMIOWB_H */
Commit	Line	Data
b012980d WD	1	/* SPDX-License-Identifier: GPL-2.0 */
	2
	3	#ifndef _ASM_RISCV_MMIOWB_H
	4	#define _ASM_RISCV_MMIOWB_H
	5
	6	/*
	7	* "o,w" is sufficient to ensure that all writes to the device have completed
	8	* before the write to the spinlock is allowed to commit.
	9	*/
	10	#define mmiowb() __asm__ __volatile__ ("fence o,w" : : : "memory");
	11
ed1ed4c0	12	#include <linux/smp.h>
b012980d WD	13	#include <asm-generic/mmiowb.h>
b012980d WD	14
6b57ba8e	15	#endif /* _ASM_RISCV_MMIOWB_H */