diff options
Diffstat (limited to 'arch/sparc/kernel/pci_sun4v.c')
-rw-r--r-- | arch/sparc/kernel/pci_sun4v.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index 5db5ebed35da..2485eaa23101 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c | |||
@@ -230,8 +230,9 @@ static void dma_4v_free_coherent(struct device *dev, size_t size, void *cpu, | |||
230 | free_pages((unsigned long)cpu, order); | 230 | free_pages((unsigned long)cpu, order); |
231 | } | 231 | } |
232 | 232 | ||
233 | static dma_addr_t dma_4v_map_single(struct device *dev, void *ptr, size_t sz, | 233 | static dma_addr_t dma_4v_map_page(struct device *dev, struct page *page, |
234 | enum dma_data_direction direction) | 234 | unsigned long offset, size_t sz, |
235 | enum dma_data_direction direction) | ||
235 | { | 236 | { |
236 | struct iommu *iommu; | 237 | struct iommu *iommu; |
237 | unsigned long flags, npages, oaddr; | 238 | unsigned long flags, npages, oaddr; |
@@ -245,7 +246,7 @@ static dma_addr_t dma_4v_map_single(struct device *dev, void *ptr, size_t sz, | |||
245 | if (unlikely(direction == DMA_NONE)) | 246 | if (unlikely(direction == DMA_NONE)) |
246 | goto bad; | 247 | goto bad; |
247 | 248 | ||
248 | oaddr = (unsigned long)ptr; | 249 | oaddr = (unsigned long)(page_address(page) + offset); |
249 | npages = IO_PAGE_ALIGN(oaddr + sz) - (oaddr & IO_PAGE_MASK); | 250 | npages = IO_PAGE_ALIGN(oaddr + sz) - (oaddr & IO_PAGE_MASK); |
250 | npages >>= IO_PAGE_SHIFT; | 251 | npages >>= IO_PAGE_SHIFT; |
251 | 252 | ||
@@ -294,8 +295,8 @@ iommu_map_fail: | |||
294 | return DMA_ERROR_CODE; | 295 | return DMA_ERROR_CODE; |
295 | } | 296 | } |
296 | 297 | ||
297 | static void dma_4v_unmap_single(struct device *dev, dma_addr_t bus_addr, | 298 | static void dma_4v_unmap_page(struct device *dev, dma_addr_t bus_addr, |
298 | size_t sz, enum dma_data_direction direction) | 299 | size_t sz, enum dma_data_direction direction) |
299 | { | 300 | { |
300 | struct pci_pbm_info *pbm; | 301 | struct pci_pbm_info *pbm; |
301 | struct iommu *iommu; | 302 | struct iommu *iommu; |
@@ -537,8 +538,8 @@ static void dma_4v_sync_sg_for_cpu(struct device *dev, | |||
537 | static const struct dma_ops sun4v_dma_ops = { | 538 | static const struct dma_ops sun4v_dma_ops = { |
538 | .alloc_coherent = dma_4v_alloc_coherent, | 539 | .alloc_coherent = dma_4v_alloc_coherent, |
539 | .free_coherent = dma_4v_free_coherent, | 540 | .free_coherent = dma_4v_free_coherent, |
540 | .map_single = dma_4v_map_single, | 541 | .map_page = dma_4v_map_page, |
541 | .unmap_single = dma_4v_unmap_single, | 542 | .unmap_page = dma_4v_unmap_page, |
542 | .map_sg = dma_4v_map_sg, | 543 | .map_sg = dma_4v_map_sg, |
543 | .unmap_sg = dma_4v_unmap_sg, | 544 | .unmap_sg = dma_4v_unmap_sg, |
544 | .sync_single_for_cpu = dma_4v_sync_single_for_cpu, | 545 | .sync_single_for_cpu = dma_4v_sync_single_for_cpu, |