diff options
Diffstat (limited to 'arch/sparc/kernel/iommu.c')
| -rw-r--r-- | arch/sparc/kernel/iommu.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index d8900e1d5aad..0aeaefe696b9 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -351,8 +351,9 @@ static void dma_4u_free_coherent(struct device *dev, size_t size, free_pages((unsigned long)cpu, order); } -static dma_addr_t dma_4u_map_single(struct device *dev, void *ptr, size_t sz, - enum dma_data_direction direction) +static dma_addr_t dma_4u_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t sz, + enum dma_data_direction direction) { struct iommu *iommu; struct strbuf *strbuf; @@ -368,7 +369,7 @@ static dma_addr_t dma_4u_map_single(struct device *dev, void *ptr, size_t sz, if (unlikely(direction == DMA_NONE)) goto bad_no_ctx; - oaddr = (unsigned long)ptr; + oaddr = (unsigned long)(page_address(page) + offset); npages = IO_PAGE_ALIGN(oaddr + sz) - (oaddr & IO_PAGE_MASK); npages >>= IO_PAGE_SHIFT; @@ -472,8 +473,8 @@ do_flush_sync: vaddr, ctx, npages); } -static void dma_4u_unmap_single(struct device *dev, dma_addr_t bus_addr, - size_t sz, enum dma_data_direction direction) +static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr, + size_t sz, enum dma_data_direction direction) { struct iommu *iommu; struct strbuf *strbuf; @@ -824,8 +825,8 @@ static void dma_4u_sync_sg_for_cpu(struct device *dev, static const struct dma_ops sun4u_dma_ops = { .alloc_coherent = dma_4u_alloc_coherent, .free_coherent = dma_4u_free_coherent, - .map_single = dma_4u_map_single, - .unmap_single = dma_4u_unmap_single, + .map_page = dma_4u_map_page, + .unmap_page = dma_4u_unmap_page, .map_sg = dma_4u_map_sg, .unmap_sg = dma_4u_unmap_sg, .sync_single_for_cpu = dma_4u_sync_single_for_cpu, |