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/* 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 */