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-rw-r--r--include/asm-mips/io.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h
index a9fa1254894..05de7c174e6 100644
--- a/include/asm-mips/io.h
+++ b/include/asm-mips/io.h
@@ -342,7 +342,7 @@ static inline void pfx##write##bwlq(type val, \
BUG(); \
} \
\
-static inline type pfx##read##bwlq(volatile void __iomem *mem) \
+static inline type pfx##read##bwlq(const volatile void __iomem *mem) \
{ \
volatile type *__mem; \
type __val; \