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/ibmebus.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'arch/powerpc/kernel/ibmebus.c') diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index 53bf64623bd..2e16ca5778a 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -87,15 +87,16 @@ static void ibmebus_unmap_single(struct device *dev, } static int ibmebus_map_sg(struct device *dev, - struct scatterlist *sg, + struct scatterlist *sgl, int nents, enum dma_data_direction direction) { + struct scatterlist *sg; int i; - for (i = 0; i < nents; i++) { - sg[i].dma_address = (dma_addr_t)page_address(sg[i].page) - + sg[i].offset; - sg[i].dma_length = sg[i].length; + for_each_sg(sgl, sg, nents, i) { + sg->dma_address = (dma_addr_t)page_address(sg->page) + + sg->offset; + sg->dma_length = sg->length; } return nents; -- cgit v1.2.3