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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-09-26 22:42:18 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-09-26 22:42:18 +0100 |
| commit | e3ef0dc60392c0d23ea74d4a7df851089e00fd87 (patch) | |
| tree | 6edf9b7f3c93ab9caa4013fa7716649e1db69f5b /arch/arm/include | |
| parent | 6f0f9b6b3fcfe5e156f20d4f804f0d505c750b3c (diff) | |
| parent | 6323fa2256baa73d6a960ee57ec086b66aeecd0b (diff) | |
Merge branch 'cache-louis' of git://linux-arm.org/linux-2.6-lp into devel-stable
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/cacheflush.h | 15 | ||||
| -rw-r--r-- | arch/arm/include/asm/glue-cache.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index e4448e16046..e1489c54cd1 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -49,6 +49,13 @@ * * Unconditionally clean and invalidate the entire cache. * + * flush_kern_louis() + * + * Flush data cache levels up to the level of unification + * inner shareable and invalidate the I-cache. + * Only needed from v7 onwards, falls back to flush_cache_all() + * for all other processor versions. + * * flush_user_all() * * Clean and invalidate all user space cache entries @@ -97,6 +104,7 @@ struct cpu_cache_fns { void (*flush_icache_all)(void); void (*flush_kern_all)(void); + void (*flush_kern_louis)(void); void (*flush_user_all)(void); void (*flush_user_range)(unsigned long, unsigned long, unsigned int); @@ -119,6 +127,7 @@ extern struct cpu_cache_fns cpu_cache; #define __cpuc_flush_icache_all cpu_cache.flush_icache_all #define __cpuc_flush_kern_all cpu_cache.flush_kern_all +#define __cpuc_flush_kern_louis cpu_cache.flush_kern_louis #define __cpuc_flush_user_all cpu_cache.flush_user_all #define __cpuc_flush_user_range cpu_cache.flush_user_range #define __cpuc_coherent_kern_range cpu_cache.coherent_kern_range @@ -139,6 +148,7 @@ extern struct cpu_cache_fns cpu_cache; extern void __cpuc_flush_icache_all(void); extern void __cpuc_flush_kern_all(void); +extern void __cpuc_flush_kern_louis(void); extern void __cpuc_flush_user_all(void); extern void __cpuc_flush_user_range(unsigned long, unsigned long, unsigned int); extern void __cpuc_coherent_kern_range(unsigned long, unsigned long); @@ -204,6 +214,11 @@ static inline void __flush_icache_all(void) __flush_icache_preferred(); } +/* + * Flush caches up to Level of Unification Inner Shareable + */ +#define flush_cache_louis() __cpuc_flush_kern_louis() + #define flush_cache_all() __cpuc_flush_kern_all() static inline void vivt_flush_cache_mm(struct mm_struct *mm) diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h index 7e30874377e..2d6a7de87a8 100644 --- a/arch/arm/include/asm/glue-cache.h +++ b/arch/arm/include/asm/glue-cache.h @@ -132,6 +132,7 @@ #ifndef MULTI_CACHE #define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all) #define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all) +#define __cpuc_flush_kern_louis __glue(_CACHE,_flush_kern_cache_louis) #define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all) #define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range) #define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range) |