/* 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 */