diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 49bb9a020a09aeba74c0eacf0e43ca668ed4339a..09f240586c2a3fd77f6665fa8179dec043587953 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -123,6 +123,7 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
 		     : "memory");					\
 })
 
+#define __io_par(v)		__iormb(v)
 #define __iowmb()		wmb()
 
 #define mmiowb()		do { } while (0)