ARM includes asm-generic/io.h, which provides a dummy definition of mmiowb() if one isn't already provided by the architecture. Remove the useless definition. Signed-off-by: Will Deacon <will.deacon@xxxxxxx> --- arch/arm/include/asm/io.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 6b51826ab3d1..7e22c81398c4 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -281,8 +281,6 @@ extern void _memcpy_fromio(void *, const volatile void __iomem *, size_t); extern void _memcpy_toio(volatile void __iomem *, const void *, size_t); extern void _memset_io(volatile void __iomem *, int, size_t); -#define mmiowb() - /* * Memory access primitives * ------------------------ -- 2.11.0