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-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 c9c1206e358..0e28cf33f7d 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