diff options
| author | Matt Fleming <matt@console-pimps.org> | 2010-01-12 22:59:24 -0500 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-01-12 22:59:24 -0500 |
| commit | 6430a5987f8bb9a7c5187b343956aa8ef404d571 (patch) | |
| tree | 45edde7e5aa645636ea8c24bb67fae92010f56ff /arch | |
| parent | 94cd049522136c2f3bbe063d2e98b2b8d4286fd3 (diff) | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/include/asm/system.h | 2 |
1 files changed, 1 insertions, 1 deletions
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 @@ | |||
| 32 | #define mb() __asm__ __volatile__ ("synco": : :"memory") | 32 | #define mb() __asm__ __volatile__ ("synco": : :"memory") |
| 33 | #define rmb() mb() | 33 | #define rmb() mb() |
| 34 | #define wmb() __asm__ __volatile__ ("synco": : :"memory") | 34 | #define wmb() __asm__ __volatile__ ("synco": : :"memory") |
| 35 | #define ctrl_barrier() __icbi(0xa8000000) | 35 | #define ctrl_barrier() __icbi(PAGE_OFFSET) |
| 36 | #define read_barrier_depends() do { } while(0) | 36 | #define read_barrier_depends() do { } while(0) |
| 37 | #else | 37 | #else |
| 38 | #define mb() __asm__ __volatile__ ("": : :"memory") | 38 | #define mb() __asm__ __volatile__ ("": : :"memory") |