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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2010-08-11 05:03:22 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 19:59:21 +0400
commit4565f0170dfc849b3629c27d769db800467baa62 (patch)
treea2c70fb6f2f4826749b704ed83557623ca95bca5 /arch/parisc
parenta6eb9fe105d5de0053b261148cee56c94b4720ca (diff)
downloadlinux-4565f0170dfc849b3629c27d769db800467baa62.tar.xz
dma-mapping: unify dma_get_cache_alignment implementations
dma_get_cache_alignment returns the minimum DMA alignment. Architectures defines it as ARCH_DMA_MINALIGN (formally ARCH_KMALLOC_MINALIGN). So we can unify dma_get_cache_alignment implementations. Note that some architectures implement dma_get_cache_alignment wrongly. dma_get_cache_alignment() should return the minimum DMA alignment. So fully-coherent architectures should return 1. This patch also fixes this issue. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/include/asm/dma-mapping.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h
index da6943380908..44d3f62ccf9d 100644
--- a/arch/parisc/include/asm/dma-mapping.h
+++ b/arch/parisc/include/asm/dma-mapping.h
@@ -185,12 +185,6 @@ dma_set_mask(struct device *dev, u64 mask)
}
static inline int
-dma_get_cache_alignment(void)
-{
- return dcache_stride;
-}
-
-static inline int
dma_is_consistent(struct device *dev, dma_addr_t dma_addr)
{
return (hppa_dma_ops->dma_sync_single_for_cpu == NULL);