Commit d5157562 authored by Will Deacon's avatar Will Deacon
Browse files

arm64/io: Remove useless definition of mmiowb() 



arm64 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.

Acked-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 7fdae81d

arch/arm64/include/asm/io.h

+0 −2
Original line number Original line Diff line number Diff line
@@ -124,8 +124,6 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) 
#define __io_par(v)		__iormb(v)

#define __io_par(v)		__iormb(v)

#define __iowmb()		wmb()

#define __iowmb()		wmb()





#define mmiowb()		do { } while (0)



/*

/*

 * Relaxed I/O memory access primitives. These follow the Device memory

 * Relaxed I/O memory access primitives. These follow the Device memory

 * ordering rules but do not guarantee any ordering relative to Normal memory

 * ordering rules but do not guarantee any ordering relative to Normal memory

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