From: Matt Fleming Date: Wed, 13 Jan 2010 03:59:24 +0000 (+0900) Subject: sh: Don't perform an icbi on a P2 address X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6430a5987f8bb9a7c5187b343956aa8ef404d571;p=linux-beck.git 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 Signed-off-by: Paul Mundt --- diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h index c15415b4b169..b74d2532cc27 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")