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Commit 8478d7f0 authored by Christophe Leroy's avatar Christophe Leroy Committed by Scott Wood
Browse files

powerpc: Simplify test in __dma_sync() 



This simplification helps the compiler. We now have only one test
instead of two, so it reduces the number of branches.

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarScott Wood <oss@buserror.net>
parent affe587b

arch/powerpc/mm/dma-noncoherent.c

+1 −1
Original line number Diff line number Diff line
@@ -327,7 +327,7 @@ void __dma_sync(void *vaddr, size_t size, int direction) 
		 * invalidate only when cache-line aligned otherwise there is

		 * the potential for discarding uncommitted data from the cache

		 */

		if ((start & (L1_CACHE_BYTES - 1)) || (size & (L1_CACHE_BYTES - 1)))

		if ((start | end) & (L1_CACHE_BYTES - 1))

			flush_dcache_range(start, end);

		else

			invalidate_dcache_range(start, end);