diff options
Diffstat (limited to 'arch/sparc/kernel/ioport.c')
| -rw-r--r-- | arch/sparc/kernel/ioport.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 62182d2d7b0..9c3ed88853f 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -35,6 +35,7 @@ #include <linux/slab.h> #include <linux/pci.h> /* struct pci_dev */ #include <linux/proc_fs.h> +#include <linux/scatterlist.h> #include <asm/io.h> #include <asm/vaddrs.h> @@ -717,19 +718,19 @@ void pci_unmap_page(struct pci_dev *hwdev, * Device ownership issues as mentioned above for pci_map_single are * the same here. */ -int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, +int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sgl, int nents, int direction) { + struct scatterlist *sg; int n; BUG_ON(direction == PCI_DMA_NONE); /* IIep is write-through, not flushing. */ - for (n = 0; n < nents; n++) { + for_each_sg(sgl, sg, nents, n) { BUG_ON(page_address(sg->page) == NULL); sg->dvma_address = virt_to_phys(page_address(sg->page)) + sg->offset; sg->dvma_length = sg->length; - sg++; } return nents; } @@ -738,19 +739,19 @@ int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, * Again, cpu read rules concerning calls here are the same as for * pci_unmap_single() above. */ -void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, +void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sgl, int nents, int direction) { + struct scatterlist *sg; int n; BUG_ON(direction == PCI_DMA_NONE); if (direction != PCI_DMA_TODEVICE) { - for (n = 0; n < nents; n++) { + for_each_sg(sgl, sg, nents, n) { BUG_ON(page_address(sg->page) == NULL); mmu_inval_dma_area( (unsigned long) page_address(sg->page), (sg->length + PAGE_SIZE-1) & PAGE_MASK); - sg++; } } } @@ -789,34 +790,34 @@ void pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t ba, size_t * The same as pci_dma_sync_single_* but for a scatter-gather list, * same rules and usage. */ -void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction) +void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sgl, int nents, int direction) { + struct scatterlist *sg; int n; BUG_ON(direction == PCI_DMA_NONE); if (direction != PCI_DMA_TODEVICE) { - for (n = 0; n < nents; n++) { + for_each_sg(sgl, sg, nents, n) { BUG_ON(page_address(sg->page) == NULL); mmu_inval_dma_area( (unsigned long) page_address(sg->page), (sg->length + PAGE_SIZE-1) & PAGE_MASK); - sg++; } } } -void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction) +void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sgl, int nents, int direction) { + struct scatterlist *sg; int n; BUG_ON(direction == PCI_DMA_NONE); if (direction != PCI_DMA_TODEVICE) { - for (n = 0; n < nents; n++) { + for_each_sg(sgl, sg, nents, n) { BUG_ON(page_address(sg->page) == NULL); mmu_inval_dma_area( (unsigned long) page_address(sg->page), (sg->length + PAGE_SIZE-1) & PAGE_MASK); - sg++; } } } |