5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
16 lines
398 B
C
16 lines
398 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_RISCV_MMIOWB_H
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#define _ASM_RISCV_MMIOWB_H
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/*
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* "o,w" is sufficient to ensure that all writes to the device have completed
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* before the write to the spinlock is allowed to commit.
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*/
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#define mmiowb() __asm__ __volatile__ ("fence o,w" : : : "memory");
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#include <linux/smp.h>
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#include <asm-generic/mmiowb.h>
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#endif /* _ASM_RISCV_MMIOWB_H */
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