mmiowb.h

 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()	RISCV_FENCE(o, w)
11
12#include <linux/smp.h>
13#include <asm-generic/mmiowb.h>
14
15#endif	/* _ASM_RISCV_MMIOWB_H */