diff options
| -rw-r--r-- | arch/powerpc/kernel/pci_iommu.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/powerpc/kernel/pci_iommu.c b/arch/powerpc/kernel/pci_iommu.c index c1d95e14bbe..48aa82d0162 100644 --- a/arch/powerpc/kernel/pci_iommu.c +++ b/arch/powerpc/kernel/pci_iommu.c @@ -44,16 +44,16 @@ */ #define PCI_GET_DN(dev) ((struct device_node *)((dev)->sysdata)) -static inline struct iommu_table *devnode_table(struct device *dev) +static inline struct iommu_table *device_to_table(struct device *hwdev) { struct pci_dev *pdev; - if (!dev) { + if (!hwdev) { pdev = ppc64_isabridge_dev; if (!pdev) return NULL; } else - pdev = to_pci_dev(dev); + pdev = to_pci_dev(hwdev); return PCI_DN(PCI_GET_DN(pdev))->iommu_table; } @@ -85,14 +85,14 @@ static inline unsigned long device_to_mask(struct device *hwdev) static void *pci_iommu_alloc_coherent(struct device *hwdev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { - return iommu_alloc_coherent(devnode_table(hwdev), size, dma_handle, + return iommu_alloc_coherent(device_to_table(hwdev), size, dma_handle, device_to_mask(hwdev), flag); } static void pci_iommu_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle) { - iommu_free_coherent(devnode_table(hwdev), size, vaddr, dma_handle); + iommu_free_coherent(device_to_table(hwdev), size, vaddr, dma_handle); } /* Creates TCEs for a user provided buffer. The user buffer must be @@ -104,7 +104,7 @@ static void pci_iommu_free_coherent(struct device *hwdev, size_t size, static dma_addr_t pci_iommu_map_single(struct device *hwdev, void *vaddr, size_t size, enum dma_data_direction direction) { - return iommu_map_single(devnode_table(hwdev), vaddr, size, + return iommu_map_single(device_to_table(hwdev), vaddr, size, device_to_mask(hwdev), direction); } @@ -112,27 +112,27 @@ static dma_addr_t pci_iommu_map_single(struct device *hwdev, void *vaddr, static void pci_iommu_unmap_single(struct device *hwdev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) { - iommu_unmap_single(devnode_table(hwdev), dma_handle, size, direction); + iommu_unmap_single(device_to_table(hwdev), dma_handle, size, direction); } static int pci_iommu_map_sg(struct device *pdev, struct scatterlist *sglist, int nelems, enum dma_data_direction direction) { - return iommu_map_sg(pdev, devnode_table(pdev), sglist, + return iommu_map_sg(pdev, device_to_table(pdev), sglist, nelems, device_to_mask(pdev), direction); } static void pci_iommu_unmap_sg(struct device *pdev, struct scatterlist *sglist, int nelems, enum dma_data_direction direction) { - iommu_unmap_sg(devnode_table(pdev), sglist, nelems, direction); + iommu_unmap_sg(device_to_table(pdev), sglist, nelems, direction); } /* We support DMA to/from any memory page via the iommu */ static int pci_iommu_dma_supported(struct device *dev, u64 mask) { - struct iommu_table *tbl = devnode_table(dev); + struct iommu_table *tbl = device_to_table(dev); if (!tbl || tbl->it_offset > mask) { printk(KERN_INFO "Warning: IOMMU table offset too big for device mask\n"); |