From 78bdc3106a877cfa50439fa66b52acbc4e7868df Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Fri, 12 Oct 2007 13:44:12 +0200 Subject: PPC: sg chaining support This updates the ppc iommu/pci dma mappers to sg chaining. Includes further fixes from FUJITA Tomonori . Signed-off-by: Jens Axboe --- arch/powerpc/kernel/dma_64.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/kernel/dma_64.c') diff --git a/arch/powerpc/kernel/dma_64.c b/arch/powerpc/kernel/dma_64.c index 7b0e754383c..9001104b56b 100644 --- a/arch/powerpc/kernel/dma_64.c +++ b/arch/powerpc/kernel/dma_64.c @@ -154,12 +154,13 @@ static void dma_direct_unmap_single(struct device *dev, dma_addr_t dma_addr, { } -static int dma_direct_map_sg(struct device *dev, struct scatterlist *sg, +static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction direction) { + struct scatterlist *sg; int i; - for (i = 0; i < nents; i++, sg++) { + for_each_sg(sgl, sg, nents, i) { sg->dma_address = (page_to_phys(sg->page) + sg->offset) | dma_direct_offset; sg->dma_length = sg->length; -- cgit v1.2.3