diff options
Diffstat (limited to 'arch/ia64/sn/pci/pci_dma.c')
| -rw-r--r-- | arch/ia64/sn/pci/pci_dma.c | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c index efdd694..9c788f9 100644 --- a/arch/ia64/sn/pci/pci_dma.c +++ b/arch/ia64/sn/pci/pci_dma.c @@ -10,7 +10,6 @@ */ #include <linux/module.h> -#include <linux/dma-attrs.h> #include <linux/dma-mapping.h> #include <asm/dma.h> #include <asm/sn/intr.h> @@ -171,10 +170,12 @@ static void sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr * TODO: simplify our interface; * figure out how to save dmamap handle so can use two step. */ -static dma_addr_t sn_dma_map_single_attrs(struct device *dev, void *cpu_addr, - size_t size, int direction, - struct dma_attrs *attrs) +static dma_addr_t sn_dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction dir, + struct dma_attrs *attrs) { + void *cpu_addr = page_address(page) + offset; dma_addr_t dma_addr; unsigned long phys_addr; struct pci_dev *pdev = to_pci_dev(dev); @@ -212,20 +213,20 @@ static dma_addr_t sn_dma_map_single_attrs(struct device *dev, void *cpu_addr, * by @dma_handle into the coherence domain. On SN, we're always cache * coherent, so we just need to free any ATEs associated with this mapping. */ -static void sn_dma_unmap_single_attrs(struct device *dev, dma_addr_t dma_addr, - size_t size, int direction, - struct dma_attrs *attrs) +static void sn_dma_unmap_page(struct device *dev, dma_addr_t dma_addr, + size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs) { struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); BUG_ON(dev->bus != &pci_bus_type); - provider->dma_unmap(pdev, dma_addr, direction); + provider->dma_unmap(pdev, dma_addr, dir); } /** - * sn_dma_unmap_sg_attrs - unmap a DMA scatterlist + * sn_dma_unmap_sg - unmap a DMA scatterlist * @dev: device to unmap * @sg: scatterlist to unmap * @nhwentries: number of scatterlist entries @@ -234,9 +235,9 @@ static void sn_dma_unmap_single_attrs(struct device *dev, dma_addr_t dma_addr, * * Unmap a set of streaming mode DMA translations. */ -static void sn_dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sgl, - int nhwentries, int direction, - struct dma_attrs *attrs) +static void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl, + int nhwentries, enum dma_data_direction dir, + struct dma_attrs *attrs) { int i; struct pci_dev *pdev = to_pci_dev(dev); @@ -246,14 +247,14 @@ static void sn_dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sgl, BUG_ON(dev->bus != &pci_bus_type); for_each_sg(sgl, sg, nhwentries, i) { - provider->dma_unmap(pdev, sg->dma_address, direction); + provider->dma_unmap(pdev, sg->dma_address, dir); sg->dma_address = (dma_addr_t) NULL; sg->dma_length = 0; } } /** - * sn_dma_map_sg_attrs - map a scatterlist for DMA + * sn_dma_map_sg - map a scatterlist for DMA * @dev: device to map for * @sg: scatterlist to map * @nhwentries: number of entries @@ -267,8 +268,9 @@ static void sn_dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sgl, * * Maps each entry of @sg for DMA. */ -static int sn_dma_map_sg_attrs(struct device *dev, struct scatterlist *sgl, - int nhwentries, int direction, struct dma_attrs *attrs) +static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, + int nhwentries, enum dma_data_direction dir, + struct dma_attrs *attrs) { unsigned long phys_addr; struct scatterlist *saved_sg = sgl, *sg; @@ -305,8 +307,7 @@ static int sn_dma_map_sg_attrs(struct device *dev, struct scatterlist *sgl, * Free any successfully allocated entries. */ if (i > 0) - sn_dma_unmap_sg_attrs(dev, saved_sg, i, - direction, attrs); + sn_dma_unmap_sg(dev, saved_sg, i, dir, attrs); return 0; } @@ -317,25 +318,26 @@ static int sn_dma_map_sg_attrs(struct device *dev, struct scatterlist *sgl, } static void sn_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, - size_t size, int direction) + size_t size, enum dma_data_direction dir) { BUG_ON(dev->bus != &pci_bus_type); } static void sn_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, - size_t size, int direction) + size_t size, + enum dma_data_direction dir) { BUG_ON(dev->bus != &pci_bus_type); } static void sn_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, - int nelems, int direction) + int nelems, enum dma_data_direction dir) { BUG_ON(dev->bus != &pci_bus_type); } static void sn_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, - int nelems, int direction) + int nelems, enum dma_data_direction dir) { BUG_ON(dev->bus != &pci_bus_type); } @@ -455,19 +457,19 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size) return ret; } -static struct dma_mapping_ops sn_dma_ops = { +static struct dma_map_ops sn_dma_ops = { .alloc_coherent = sn_dma_alloc_coherent, .free_coherent = sn_dma_free_coherent, - .map_single_attrs = sn_dma_map_single_attrs, - .unmap_single_attrs = sn_dma_unmap_single_attrs, - .map_sg_attrs = sn_dma_map_sg_attrs, - .unmap_sg_attrs = sn_dma_unmap_sg_attrs, + .map_page = sn_dma_map_page, + .unmap_page = sn_dma_unmap_page, + .map_sg = sn_dma_map_sg, + .unmap_sg = sn_dma_unmap_sg, .sync_single_for_cpu = sn_dma_sync_single_for_cpu, .sync_sg_for_cpu = sn_dma_sync_sg_for_cpu, .sync_single_for_device = sn_dma_sync_single_for_device, .sync_sg_for_device = sn_dma_sync_sg_for_device, .mapping_error = sn_dma_mapping_error, - .dma_supported_op = sn_dma_supported, + .dma_supported = sn_dma_supported, }; void sn_dma_init(void) |
