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$ pwd: /usr/src/linux-headers-5.4.0-215/arch/riscv/include/asm/
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File: //usr/src/linux-headers-5.4.0-215/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 <asm-generic/mmiowb.h>

#endif	/* ASM_RISCV_MMIOWB_H */
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