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m68knommu: use "r", not "i" constraint in cacheflush asm's

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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>
This commit is contained in:
Philippe De Muyter 2012-09-09 17:56:35 +02:00 committed by Greg Ungerer
parent 0c0e6db806
commit 300b9ff609
1 changed files with 8 additions and 11 deletions
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19
arch/m68k/include/asm/cacheflush_no.h
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@ -34,10 +34,9 @@ static inline void __clear_cache_all(void)
{ {
#ifdef CACHE_INVALIDATE #ifdef CACHE_INVALIDATE
__asm__ __volatile__ ( __asm__ __volatile__ (
"movel %0, %%d0\n\t" "movec %0, %%CACR\n\t"
"movec %%d0, %%CACR\n\t"
"nop\n\t" "nop\n\t"
: : "i" (CACHE_INVALIDATE) : "d0" ); : : "r" (CACHE_INVALIDATE) );
#endif #endif
} }
@ -58,10 +57,9 @@ static inline void __flush_icache_all(void)
{ {
#ifdef CACHE_INVALIDATEI #ifdef CACHE_INVALIDATEI
__asm__ __volatile__ ( __asm__ __volatile__ (
"movel %0, %%d0\n\t" "movec %0, %%CACR\n\t"
"movec %%d0, %%CACR\n\t"
"nop\n\t" "nop\n\t"
: : "i" (CACHE_INVALIDATEI) : "d0" ); : : "r" (CACHE_INVALIDATEI) );
#endif #endif
} }
@ -72,19 +70,18 @@ static inline void __flush_dcache_all(void)
#endif #endif
#ifdef CACHE_INVALIDATED #ifdef CACHE_INVALIDATED
__asm__ __volatile__ ( __asm__ __volatile__ (
"movel %0, %%d0\n\t" "movec %0, %%CACR\n\t"
"movec %%d0, %%CACR\n\t"
"nop\n\t" "nop\n\t"
: : "i" (CACHE_INVALIDATED) : "d0" ); : : "r" (CACHE_INVALIDATED) );
#else #else
/* Flush the wrtite buffer */ /* Flush the write buffer */
__asm__ __volatile__ ( "nop" ); __asm__ __volatile__ ( "nop" );
#endif #endif
} }
/* /*
* Push cache entries at supplied address. We want to write back any dirty * 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) static inline void cache_push(unsigned long paddr, int len)
{ {