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authorEmil Medve <Emilian.Medve@Freescale.com>2007-10-23 20:38:41 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-23 20:38:41 +0200
commit891039a9c2ddf73754ad84cdc9d030f1c6431858 (patch)
tree33f047a638c3dd204c86e2c25479459f058cc8ff /include/asm-xtensa
parent4e0177647a3686f3658c26d52a60d0f1231c2127 (diff)
downloadblackbird-op-linux-891039a9c2ddf73754ad84cdc9d030f1c6431858.tar.gz
blackbird-op-linux-891039a9c2ddf73754ad84cdc9d030f1c6431858.zip
xtensa: fix sg->page fallout
Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/asm-xtensa')
-rw-r--r--include/asm-xtensa/dma-mapping.h13
1 files changed, 5 insertions, 8 deletions
diff --git a/include/asm-xtensa/dma-mapping.h b/include/asm-xtensa/dma-mapping.h
index 82b03b3a2ee6..8bd9d2c02a24 100644
--- a/include/asm-xtensa/dma-mapping.h
+++ b/include/asm-xtensa/dma-mapping.h
@@ -58,11 +58,10 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
BUG_ON(direction == DMA_NONE);
for (i = 0; i < nents; i++, sg++ ) {
- BUG_ON(!sg->page);
+ BUG_ON(!sg_page(sg));
- sg->dma_address = page_to_phys(sg->page) + sg->offset;
- consistent_sync(page_address(sg->page) + sg->offset,
- sg->length, direction);
+ sg->dma_address = sg_phys(sg);
+ consistent_sync(sg_virt(sg), sg->length, direction);
}
return nents;
@@ -128,8 +127,7 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
{
int i;
for (i = 0; i < nelems; i++, sg++)
- consistent_sync(page_address(sg->page) + sg->offset,
- sg->length, dir);
+ consistent_sync(sg_virt(sg), sg->length, dir);
}
static inline void
@@ -138,8 +136,7 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
{
int i;
for (i = 0; i < nelems; i++, sg++)
- consistent_sync(page_address(sg->page) + sg->offset,
- sg->length, dir);
+ consistent_sync(sg_virt(sg), sg->length, dir);
}
static inline int
dma_mapping_error(dma_addr_t dma_addr)
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