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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
__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)
{