diff options
Diffstat (limited to 'arch/blackfin/kernel/dma-mapping.c')
| -rw-r--r-- | arch/blackfin/kernel/dma-mapping.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/blackfin/kernel/dma-mapping.c b/arch/blackfin/kernel/dma-mapping.c index 539eb24e062f..94d7b119b71e 100644 --- a/arch/blackfin/kernel/dma-mapping.c +++ b/arch/blackfin/kernel/dma-mapping.c @@ -34,8 +34,8 @@ #include <linux/spinlock.h> #include <linux/device.h> #include <linux/dma-mapping.h> +#include <linux/io.h> #include <asm/cacheflush.h> -#include <asm/io.h> #include <asm/bfin-global.h> static spinlock_t dma_page_lock; @@ -159,10 +159,14 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, BUG_ON(direction == DMA_NONE); - for (i = 0; i < nents; i++) - invalidate_dcache_range(sg_dma_address(&sg[i]), - sg_dma_address(&sg[i]) + - sg_dma_len(&sg[i])); + for (i = 0; i < nents; i++, sg++) { + sg->dma_address = (dma_addr_t)(page_address(sg->page) + + sg->offset); + + invalidate_dcache_range(sg_dma_address(sg), + sg_dma_address(sg) + + sg_dma_len(sg)); + } return nents; } |