diff options
Diffstat (limited to 'arch/xtensa/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/xtensa/include/asm/dma-mapping.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h index ba78ccf65..1f5f6dc09 100644 --- a/arch/xtensa/include/asm/dma-mapping.h +++ b/arch/xtensa/include/asm/dma-mapping.h @@ -52,14 +52,15 @@ dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, } static inline int -dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, +dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction) { int i; + struct scatterlist *sg; BUG_ON(direction == DMA_NONE); - for (i = 0; i < nents; i++, sg++ ) { + for_each_sg(sglist, sg, nents, i) { BUG_ON(!sg_page(sg)); sg->dma_address = sg_phys(sg); @@ -124,20 +125,24 @@ dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, consistent_sync((void *)bus_to_virt(dma_handle)+offset,size,direction); } static inline void -dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, +dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sglist, int nelems, enum dma_data_direction dir) { int i; - for (i = 0; i < nelems; i++, sg++) + struct scatterlist *sg; + + for_each_sg(sglist, sg, nelems, i) consistent_sync(sg_virt(sg), sg->length, dir); } static inline void -dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction dir) +dma_sync_sg_for_device(struct device *dev, struct scatterlist *sglist, + int nelems, enum dma_data_direction dir) { int i; - for (i = 0; i < nelems; i++, sg++) + struct scatterlist *sg; + + for_each_sg(sglist, sg, nelems, i) consistent_sync(sg_virt(sg), sg->length, dir); } static inline int |