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Date: Fri, 22 Feb 2019 18:50:11 +0000 From: Will Deacon <will.deacon@....com> To: linux-arch@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Will Deacon <will.deacon@....com>, "Paul E. McKenney" <paulmck@...ux.ibm.com>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Michael Ellerman <mpe@...erman.id.au>, Arnd Bergmann <arnd@...db.de>, Peter Zijlstra <peterz@...radead.org>, Andrea Parri <andrea.parri@...rulasolutions.com>, Palmer Dabbelt <palmer@...ive.com>, Daniel Lustig <dlustig@...dia.com>, David Howells <dhowells@...hat.com>, Alan Stern <stern@...land.harvard.edu>, Linus Torvalds <torvalds@...ux-foundation.org>, "Maciej W. Rozycki" <macro@...ux-mips.org>, Paul Burton <paul.burton@...s.com>, Ingo Molnar <mingo@...nel.org>, Yoshinori Sato <ysato@...rs.sourceforge.jp>, Rich Felker <dalias@...c.org>, Tony Luck <tony.luck@...el.com> Subject: [RFC PATCH 05/20] 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. Signed-off-by: Will Deacon <will.deacon@....com> --- arch/arm64/include/asm/io.h | 2 -- 1 file changed, 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 -- 2.11.0
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