| Current Path : /usr/src/linux-headers-5.4.0-150/arch/riscv/include/asm/ |
| Current File : //usr/src/linux-headers-5.4.0-150/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 */