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| author | Philippe De Muyter <phdm@macqel.be> | 2012-09-09 17:56:35 +0200 |
|---|---|---|
| committer | Greg Ungerer <gerg@uclinux.org> | 2012-09-27 15:28:40 +0200 |
| commit | 300b9ff609ca027b9964a453a8156e6fe0077cde (patch) | |
| tree | 09a8cf3808a95b9b84c8d661dc8d7be1ef9d77a7 | |
| parent | m68k: drop unused parts of 68VZ328 Makefile (diff) | |
| download | linux-300b9ff609ca027b9964a453a8156e6fe0077cde.tar.xz linux-300b9ff609ca027b9964a453a8156e6fe0077cde.zip | |
m68knommu: use "r", not "i" constraint in cacheflush asm's
Let the compiler choose which register to use in the cache flushing
asm statements, instead of imposing %d0.
Additionally, fix two typo's.
Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| -rw-r--r-- | arch/m68k/include/asm/cacheflush_no.h | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h index 7cafb537d03c..d2b3935ae147 100644 --- a/arch/m68k/include/asm/cacheflush_no.h +++ b/arch/m68k/include/asm/cacheflush_no.h @@ -34,10 +34,9 @@ static inline void __clear_cache_all(void) { #ifdef CACHE_INVALIDATE __asm__ __volatile__ ( - "movel %0, %%d0\n\t" - "movec %%d0, %%CACR\n\t" + "movec %0, %%CACR\n\t" "nop\n\t" - : : "i" (CACHE_INVALIDATE) : "d0" ); + : : "r" (CACHE_INVALIDATE) ); #endif } @@ -58,10 +57,9 @@ static inline void __flush_icache_all(void) { #ifdef CACHE_INVALIDATEI __asm__ __volatile__ ( - "movel %0, %%d0\n\t" - "movec %%d0, %%CACR\n\t" + "movec %0, %%CACR\n\t" "nop\n\t" - : : "i" (CACHE_INVALIDATEI) : "d0" ); + : : "r" (CACHE_INVALIDATEI) ); #endif } @@ -72,19 +70,18 @@ static inline void __flush_dcache_all(void) #endif #ifdef CACHE_INVALIDATED __asm__ __volatile__ ( - "movel %0, %%d0\n\t" - "movec %%d0, %%CACR\n\t" + "movec %0, %%CACR\n\t" "nop\n\t" - : : "i" (CACHE_INVALIDATED) : "d0" ); + : : "r" (CACHE_INVALIDATED) ); #else - /* Flush the wrtite buffer */ + /* Flush the write buffer */ __asm__ __volatile__ ( "nop" ); #endif } /* * Push cache entries at supplied address. We want to write back any dirty - * data and the invalidate the cache lines associated with this address. + * data and then invalidate the cache lines associated with this address. */ static inline void cache_push(unsigned long paddr, int len) { |