commit ecdbfc1ac10eaba04c699d6f8a004f987622264c
author Mike Frysinger <vapier.adi@gmail.com> Tue Nov 18 17:48:21 2008 +0800
committer Bryan Wu <cooloney@kernel.org> Tue Nov 18 17:48:21 2008 +0800
tree 1813d55a77dcbba849d874cb3121b13d60ea1a11
parent 5ad2ca5fbbb002e48097b2ab364497d0f9f77987

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>

arch/blackfin/include/asm/io.h

diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index 7dc77a2..e7591ea 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -108,6 +108,8 @@
 #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 */