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Blackfin arch: add mmiowb() as some drivers expect 

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2008-11-18 17:48:21 +08:00 committed by Bryan Wu
parent 5ad2ca5fbb
commit ecdbfc1ac1
1 changed files with 2 additions and 0 deletions
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2
arch/blackfin/include/asm/io.h
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@ -108,6 +108,8 @@ static inline unsigned int readl(const volatile void __iomem *addr)
#define iowrite16(val,X) writew(val,X)
#define iowrite32(val,X) writel(val,X)
#define mmiowb() wmb()
#define IO_SPACE_LIMIT 0xffffffff
/* Values for nocacheflag and cmode */