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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-10-12 13:44:12 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-16 11:27:32 +0200 |
| commit | 78bdc3106a877cfa50439fa66b52acbc4e7868df (patch) | |
| tree | 668b1f22ee9e645e76589ce103b42829f999822e /arch/powerpc/kernel/ibmebus.c | |
| parent | d1ed455e30e439e0d1483c2e236d7e15e1010704 (diff) | |
| download | op-kernel-dev-78bdc3106a877cfa50439fa66b52acbc4e7868df.zip op-kernel-dev-78bdc3106a877cfa50439fa66b52acbc4e7868df.tar.gz | |
PPC: sg chaining support
This updates the ppc iommu/pci dma mappers to sg chaining. Includes
further fixes from FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/powerpc/kernel/ibmebus.c')
| -rw-r--r-- | arch/powerpc/kernel/ibmebus.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index 53bf646..2e16ca5 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; |
