From 6430a5987f8bb9a7c5187b343956aa8ef404d571 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Wed, 13 Jan 2010 12:59:24 +0900
Subject: sh: Don't perform an icbi on a P2 address

The legacy P2 area may not always be mapped (for example when using
PMB). So perform an icbi on an address that we know will always be
mapped.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/system.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index c15415b4b16..b74d2532cc2 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -32,7 +32,7 @@
 #define mb()		__asm__ __volatile__ ("synco": : :"memory")
 #define rmb()		mb()
 #define wmb()		__asm__ __volatile__ ("synco": : :"memory")
-#define ctrl_barrier()	__icbi(0xa8000000)
+#define ctrl_barrier()	__icbi(PAGE_OFFSET)
 #define read_barrier_depends()	do { } while(0)
 #else
 #define mb()		__asm__ __volatile__ ("": : :"memory")
-- 
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