diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2010-03-24 16:47:53 +0100 |
|---|---|---|
| committer | Gary King <gking@nvidia.com> | 2010-04-05 14:23:33 -0700 |
| commit | fb6d88a21a15878d5fdba4f7d0afe6767dfd1171 (patch) | |
| tree | 98d891cae0a4e76874db36e8c8f1800d139fb97d /arch/arm/include/asm | |
| parent | 9d599d66c22d61f2f4f7cf38a2c107078ebac741 (diff) | |
ARM: 5994/1: ARM: Add outer_cache_fns.sync function pointer (2/4)
This patch introduces the outer_cache_fns.sync function pointer together
with the OUTER_CACHE_SYNC config option that can be used to drain the
write buffer of the outer cache.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/outercache.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h index c8571cbb5574..25f76bae57ab 100644 --- a/arch/arm/include/asm/outercache.h +++ b/arch/arm/include/asm/outercache.h @@ -25,6 +25,9 @@ struct outer_cache_fns { void (*inv_range)(unsigned long, unsigned long); void (*clean_range)(unsigned long, unsigned long); void (*flush_range)(unsigned long, unsigned long); +#ifdef CONFIG_OUTER_CACHE_SYNC + void (*sync)(void); +#endif }; #ifdef CONFIG_OUTER_CACHE @@ -58,4 +61,15 @@ static inline void outer_flush_range(unsigned long start, unsigned long end) #endif +#ifdef CONFIG_OUTER_CACHE_SYNC +static inline void outer_sync(void) +{ + if (outer_cache.sync) + outer_cache.sync(); +} +#else +static inline void outer_sync(void) +{ } +#endif + #endif /* __ASM_OUTERCACHE_H */ |