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-rw-r--r--arch/arm64/include/asm/io.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 8bb7210ac286..b807cb9b517d 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -124,8 +124,6 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
#define __io_par(v) __iormb(v)
#define __iowmb() wmb()
-#define mmiowb() do { } while (0)
-
/*
* Relaxed I/O memory access primitives. These follow the Device memory
* ordering rules but do not guarantee any ordering relative to Normal memory