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-rw-r--r--arch/riscv/include/asm/mmiowb.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/mmiowb.h b/arch/riscv/include/asm/mmiowb.h
index bb4091ff4a21..0b2333e71fdc 100644
--- a/arch/riscv/include/asm/mmiowb.h
+++ b/arch/riscv/include/asm/mmiowb.h
@@ -9,6 +9,7 @@
*/
#define mmiowb() __asm__ __volatile__ ("fence o,w" : : : "memory");
+#include <linux/smp.h>
#include <asm-generic/mmiowb.h>
#endif /* _ASM_RISCV_MMIOWB_H */