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author | Sage Weil <sage@inktank.com> | 2013-08-15 11:11:45 -0700 |
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committer | Sage Weil <sage@inktank.com> | 2013-08-15 11:11:45 -0700 |
commit | ee3e542fec6e69bc9fb668698889a37d93950ddf (patch) | |
tree | e74ee766a4764769ef1d3d45d266b4dea64101d3 /arch/arm/include/asm/glue-cache.h | |
parent | fe2a801b50c0bb8039d627e5ae1fec249d10ff39 (diff) | |
parent | f1d6e17f540af37bb1891480143669ba7636c4cf (diff) |
Merge remote-tracking branch 'linus/master' into testing
Diffstat (limited to 'arch/arm/include/asm/glue-cache.h')
-rw-r--r-- | arch/arm/include/asm/glue-cache.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h index ea289e1435e..c81adc08b3f 100644 --- a/arch/arm/include/asm/glue-cache.h +++ b/arch/arm/include/asm/glue-cache.h @@ -117,10 +117,37 @@ # endif #endif +#if defined(CONFIG_CPU_V7M) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE nop +# endif +#endif + #if !defined(_CACHE) && !defined(MULTI_CACHE) #error Unknown cache maintenance model #endif +#ifndef __ASSEMBLER__ +extern inline void nop_flush_icache_all(void) { } +extern inline void nop_flush_kern_cache_all(void) { } +extern inline void nop_flush_kern_cache_louis(void) { } +extern inline void nop_flush_user_cache_all(void) { } +extern inline void nop_flush_user_cache_range(unsigned long a, + unsigned long b, unsigned int c) { } + +extern inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { } +extern inline int nop_coherent_user_range(unsigned long a, + unsigned long b) { return 0; } +extern inline void nop_flush_kern_dcache_area(void *a, size_t s) { } + +extern inline void nop_dma_flush_range(const void *a, const void *b) { } + +extern inline void nop_dma_map_area(const void *s, size_t l, int f) { } +extern inline void nop_dma_unmap_area(const void *s, size_t l, int f) { } +#endif + #ifndef MULTI_CACHE #define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all) #define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all) |