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Commit 300b9ff6 authored by Philippe De Muyter's avatar Philippe De Muyter Committed by Greg Ungerer
Browse files

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: default avatarPhilippe De Muyter <phdm@macqel.be>
Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.org>
parent 0c0e6db8

arch/m68k/include/asm/cacheflush_no.h

+8 −11
Original line number Diff line number Diff line
@@ -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)

{