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authorMike Frysinger <vapier.adi@gmail.com>2008-11-18 17:48:21 +0800
committerBryan Wu <cooloney@kernel.org>2008-11-18 17:48:21 +0800
commitecdbfc1ac10eaba04c699d6f8a004f987622264c (patch)
tree1813d55a77dcbba849d874cb3121b13d60ea1a11 /arch
parent5ad2ca5fbbb002e48097b2ab364497d0f9f77987 (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/blackfin/include/asm/io.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index 7dc77a21fdf..e7591ea2a0e 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -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 */