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Blackfin arch: add mmiowb() as some drivers expect
author
Mike Frysinger
<vapier.adi@gmail.com>
Tue, 18 Nov 2008 09:48:21 +0000
(17:48 +0800)
committer
Bryan Wu
<cooloney@kernel.org>
Tue, 18 Nov 2008 09:48:21 +0000
(17:48 +0800)
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
arch/blackfin/include/asm/io.h
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diff --git
a/arch/blackfin/include/asm/io.h
b/arch/blackfin/include/asm/io.h
index 7dc77a21fdf33aeb2f94fc42ad97db7c1f9447a0..e7591ea2a0e08b85431a95dae6a152765c8cf74b 100644
(file)
--- 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 */
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