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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-09-25 21:38:41 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-09-29 10:40:16 +0100
commit2638b4dbe768aba023a06acd8e7eba708bb76ee6 (patch)
tree41e464b337ec85444d8c551947de13bb8731af70 /arch/arm/mm/dma-mapping.c
parent01135d92c1a540cd3370f7cf3d1c762320b85034 (diff)
downloadop-kernel-dev-2638b4dbe768aba023a06acd8e7eba708bb76ee6.zip
op-kernel-dev-2638b4dbe768aba023a06acd8e7eba708bb76ee6.tar.gz
[ARM] dma: Reduce to one dma_sync_sg_* implementation
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/dma-mapping.c')
-rw-r--r--arch/arm/mm/dma-mapping.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index c9c1206..0e28cf3 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -571,7 +571,6 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
}
EXPORT_SYMBOL(dma_unmap_sg);
-#ifndef CONFIG_DMABOUNCE
/**
* dma_sync_sg_for_cpu
* @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
@@ -586,6 +585,10 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
int i;
for_each_sg(sg, s, nents, i) {
+ if (!dmabounce_sync_for_cpu(dev, sg_dma_address(s), 0,
+ sg_dma_len(s), dir))
+ continue;
+
if (!arch_is_coherent())
dma_cache_maint(sg_virt(s), s->length, dir);
}
@@ -606,9 +609,12 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
int i;
for_each_sg(sg, s, nents, i) {
+ if (!dmabounce_sync_for_device(dev, sg_dma_address(s), 0,
+ sg_dma_len(s), dir))
+ continue;
+
if (!arch_is_coherent())
dma_cache_maint(sg_virt(s), s->length, dir);
}
}
EXPORT_SYMBOL(dma_sync_sg_for_device);
-#endif
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