Commit 8ac78574 authored Mar 01, 2019 by Will Deacon Committed by Greentime Hu May 07, 2019

nds32/io: Remove useless definition of mmiowb()



mmiowb() only makes sense for SMP platforms, so we can remove it
entirely for nds32.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>

parent e1bf7763

arch/nds32/include/asm/io.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -55,8 +55,6 @@ static inline u32 __raw_readl(const volatile void __iomem *addr)
		#define __iormb() rmb()
		#define __iowmb() wmb()

		#define mmiowb() __asm__ __volatile__ ("msync all" : : : "memory");

		/*
		* {read,write}{b,w,l,q}_relaxed() are like the regular version, but
		* are not guaranteed to provide ordering against spinlocks or memory