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-rw-r--r--arch/hexagon/include/asm/io.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h
index 1b7698e19139..70298996e9b2 100644
--- a/arch/hexagon/include/asm/io.h
+++ b/arch/hexagon/include/asm/io.h
@@ -189,6 +189,8 @@ static inline void writel(u32 data, volatile void __iomem *addr)
#define writew_relaxed __raw_writew
#define writel_relaxed __raw_writel
+#define mmiowb()
+
/*
* Need an mtype somewhere in here, for cache type deals?
* This is probably too long for an inline.