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| author | David S. Miller <davem@davemloft.net> | 2016-08-18 08:17:32 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-08-18 08:17:32 +0300 |
| commit | 60747ef4d173c2747bf7f0377fb22846cb422195 (patch) | |
| tree | ea0faf33b952495c47909be1400c475a3f3821b0 /arch/ia64/sn/pci/pci_dma.c | |
| parent | 484334198f8ce9552e20930fff9408ebf6bcf94d (diff) | |
| parent | 184ca823481c99dadd7d946e5afd4bb921eab30d (diff) | |
| download | linux-60747ef4d173c2747bf7f0377fb22846cb422195.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor overlapping changes for both merge conflicts.
Resolution work done by Stephen Rothwell was used
as a reference.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/ia64/sn/pci/pci_dma.c')
| -rw-r--r-- | arch/ia64/sn/pci/pci_dma.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c index 8f59907007cb..74c934a997bb 100644 --- a/arch/ia64/sn/pci/pci_dma.c +++ b/arch/ia64/sn/pci/pci_dma.c @@ -77,7 +77,7 @@ EXPORT_SYMBOL(sn_dma_set_mask); */ static void *sn_dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t * dma_handle, gfp_t flags, - struct dma_attrs *attrs) + unsigned long attrs) { void *cpuaddr; unsigned long phys_addr; @@ -138,7 +138,7 @@ static void *sn_dma_alloc_coherent(struct device *dev, size_t size, * any associated IOMMU mappings. */ static void sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t dma_handle, struct dma_attrs *attrs) + dma_addr_t dma_handle, unsigned long attrs) { struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); @@ -176,21 +176,18 @@ static void sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr 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) + unsigned long 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); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); - int dmabarr; - - dmabarr = dma_get_attr(DMA_ATTR_WRITE_BARRIER, attrs); BUG_ON(!dev_is_pci(dev)); phys_addr = __pa(cpu_addr); - if (dmabarr) + if (attrs & DMA_ATTR_WRITE_BARRIER) dma_addr = provider->dma_map_consistent(pdev, phys_addr, size, SN_DMA_ADDR_PHYS); else @@ -218,7 +215,7 @@ static dma_addr_t sn_dma_map_page(struct device *dev, struct page *page, */ 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) + unsigned long attrs) { struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); @@ -240,7 +237,7 @@ static void sn_dma_unmap_page(struct device *dev, dma_addr_t dma_addr, */ static void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl, int nhwentries, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { int i; struct pci_dev *pdev = to_pci_dev(dev); @@ -273,16 +270,13 @@ static void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl, */ 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 attrs) { unsigned long phys_addr; 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; - int dmabarr; - - dmabarr = dma_get_attr(DMA_ATTR_WRITE_BARRIER, attrs); BUG_ON(!dev_is_pci(dev)); @@ -292,7 +286,7 @@ static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, for_each_sg(sgl, sg, nhwentries, i) { dma_addr_t dma_addr; phys_addr = SG_ENT_PHYS_ADDRESS(sg); - if (dmabarr) + if (attrs & DMA_ATTR_WRITE_BARRIER) dma_addr = provider->dma_map_consistent(pdev, phys_addr, sg->length, |