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[MIPS] dma_sync_sg_for_cpu is a no-op except for non-coherent R10000s.
author
Ralf Baechle
<ralf@linux-mips.org>
Fri, 2 Mar 2007 11:42:11 +0000
(11:42 +0000)
committer
Ralf Baechle
<ralf@linux-mips.org>
Sun, 4 Mar 2007 19:02:42 +0000
(19:02 +0000)
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/mm/dma-default.c
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diff --git
a/arch/mips/mm/dma-default.c
b/arch/mips/mm/dma-default.c
index
a72093a
..
f503d02
100644
(file)
--- a/
arch/mips/mm/dma-default.c
+++ b/
arch/mips/mm/dma-default.c
@@
-295,7
+295,7
@@
void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
/* Make sure that gcc doesn't leave the empty loop body. */
for (i = 0; i < nelems; i++, sg++) {
- if (
!plat_device_is_coherent
(dev))
+ if (
cpu_is_noncoherent_r10000
(dev))
__dma_sync((unsigned long)page_address(sg->page),
sg->length, direction);
plat_unmap_dma_mem(sg->dma_address);