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 */ 16