diff options
Diffstat (limited to 'arch/ia64/sn/pci/pci_dma.c')
| -rw-r--r-- | arch/ia64/sn/pci/pci_dma.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c index d79ddacfba2d..ecd8a52b9b9e 100644 --- a/arch/ia64/sn/pci/pci_dma.c +++ b/arch/ia64/sn/pci/pci_dma.c @@ -218,16 +218,17 @@ EXPORT_SYMBOL(sn_dma_unmap_single); * * Unmap a set of streaming mode DMA translations. */ -void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sg, +void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl, int nhwentries, int direction) { int i; struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); + struct scatterlist *sg; BUG_ON(dev->bus != &pci_bus_type); - for (i = 0; i < nhwentries; i++, sg++) { + for_each_sg(sgl, sg, nhwentries, i) { provider->dma_unmap(pdev, sg->dma_address, direction); sg->dma_address = (dma_addr_t) NULL; sg->dma_length = 0; @@ -244,11 +245,11 @@ EXPORT_SYMBOL(sn_dma_unmap_sg); * * Maps each entry of @sg for DMA. */ -int sn_dma_map_sg(struct device *dev, struct scatterlist *sg, int nhwentries, +int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, int nhwentries, int direction) { unsigned long phys_addr; - struct scatterlist *saved_sg = sg; + struct scatterlist *saved_sg = sgl, *sg; struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); int i; @@ -258,7 +259,7 @@ int sn_dma_map_sg(struct device *dev, struct scatterlist *sg, int nhwentries, /* * Setup a DMA address for each entry in the scatterlist. */ - for (i = 0; i < nhwentries; i++, sg++) { + for_each_sg(sgl, sg, nhwentries, i) { phys_addr = SG_ENT_PHYS_ADDRESS(sg); sg->dma_address = provider->dma_map(pdev, phys_addr, sg->length, |