diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/pci-base_32.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-calgary_64.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-dma_64.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-gart_64.c | 15 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-nommu_64.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-swiotlb_64.c | 9 |
6 files changed, 22 insertions, 15 deletions
diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c index 033d94e..cf4bb28 100644 --- a/arch/x86/kernel/pci-base_32.c +++ b/arch/x86/kernel/pci-base_32.c @@ -4,12 +4,12 @@ #include <linux/dma-mapping.h> #include <asm/dma-mapping.h> -static dma_addr_t pci32_map_single(struct device *dev, void *ptr, +static dma_addr_t pci32_map_single(struct device *dev, phys_addr_t ptr, size_t size, int direction) { WARN_ON(size == 0); flush_write_buffers(); - return virt_to_phys(ptr); + return ptr; } static int pci32_dma_map_sg(struct device *dev, struct scatterlist *sglist, diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c index 1b5464c..adb91e4 100644 --- a/arch/x86/kernel/pci-calgary_64.c +++ b/arch/x86/kernel/pci-calgary_64.c @@ -470,10 +470,11 @@ error: return 0; } -static dma_addr_t calgary_map_single(struct device *dev, void *vaddr, +static dma_addr_t calgary_map_single(struct device *dev, phys_addr_t paddr, size_t size, int direction) { dma_addr_t dma_handle = bad_dma_address; + void *vaddr = phys_to_virt(paddr); unsigned long uaddr; unsigned int npages; struct iommu_table *tbl = find_iommu_table(dev); diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c index e4fffaa..f97a08d 100644 --- a/arch/x86/kernel/pci-dma_64.c +++ b/arch/x86/kernel/pci-dma_64.c @@ -141,7 +141,7 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, } if (dma_ops->map_simple) { - *dma_handle = dma_ops->map_simple(dev, memory, + *dma_handle = dma_ops->map_simple(dev, virt_to_phys(memory), size, PCI_DMA_BIDIRECTIONAL); if (*dma_handle != bad_dma_address) diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 700e464..c07455d 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -264,9 +264,9 @@ static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem, } static dma_addr_t -gart_map_simple(struct device *dev, char *buf, size_t size, int dir) +gart_map_simple(struct device *dev, phys_addr_t paddr, size_t size, int dir) { - dma_addr_t map = dma_map_area(dev, virt_to_bus(buf), size, dir); + dma_addr_t map = dma_map_area(dev, paddr, size, dir); flush_gart(); @@ -275,18 +275,17 @@ gart_map_simple(struct device *dev, char *buf, size_t size, int dir) /* Map a single area into the IOMMU */ static dma_addr_t -gart_map_single(struct device *dev, void *addr, size_t size, int dir) +gart_map_single(struct device *dev, phys_addr_t paddr, size_t size, int dir) { - unsigned long phys_mem, bus; + unsigned long bus; if (!dev) dev = &fallback_dev; - phys_mem = virt_to_phys(addr); - if (!need_iommu(dev, phys_mem, size)) - return phys_mem; + if (!need_iommu(dev, paddr, size)) + return paddr; - bus = gart_map_simple(dev, addr, size, dir); + bus = gart_map_simple(dev, paddr, size, dir); return bus; } diff --git a/arch/x86/kernel/pci-nommu_64.c b/arch/x86/kernel/pci-nommu_64.c index ab08e18..6e33076 100644 --- a/arch/x86/kernel/pci-nommu_64.c +++ b/arch/x86/kernel/pci-nommu_64.c @@ -26,10 +26,10 @@ check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) } static dma_addr_t -nommu_map_single(struct device *hwdev, void *ptr, size_t size, +nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, int direction) { - dma_addr_t bus = virt_to_bus(ptr); + dma_addr_t bus = paddr; if (!check_addr("map_single", hwdev, bus, size)) return bad_dma_address; return bus; diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c index 82a0a67..490da7f 100644 --- a/arch/x86/kernel/pci-swiotlb_64.c +++ b/arch/x86/kernel/pci-swiotlb_64.c @@ -11,11 +11,18 @@ int swiotlb __read_mostly; +static dma_addr_t +swiotlb_map_single_phys(struct device *hwdev, phys_addr_t paddr, size_t size, + int direction) +{ + return swiotlb_map_single(hwdev, phys_to_virt(paddr), size, direction); +} + const struct dma_mapping_ops swiotlb_dma_ops = { .mapping_error = swiotlb_dma_mapping_error, .alloc_coherent = swiotlb_alloc_coherent, .free_coherent = swiotlb_free_coherent, - .map_single = swiotlb_map_single, + .map_single = swiotlb_map_single_phys, .unmap_single = swiotlb_unmap_single, .sync_single_for_cpu = swiotlb_sync_single_for_cpu, .sync_single_for_device = swiotlb_sync_single_for_device, |
