diff options
Diffstat (limited to 'arch/powerpc/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/powerpc/include/asm/dma-mapping.h | 36 |
1 files changed, 5 insertions, 31 deletions
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index fddb229..3c4a2c2 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -60,12 +60,6 @@ struct dma_mapping_ops { dma_addr_t *dma_handle, gfp_t flag); void (*free_coherent)(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); - dma_addr_t (*map_single)(struct device *dev, void *ptr, - size_t size, enum dma_data_direction direction, - struct dma_attrs *attrs); - void (*unmap_single)(struct device *dev, dma_addr_t dma_addr, - size_t size, enum dma_data_direction direction, - struct dma_attrs *attrs); int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction, struct dma_attrs *attrs); @@ -149,10 +143,9 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask) } /* - * TODO: map_/unmap_single will ideally go away, to be completely - * replaced by map/unmap_page. Until then, we allow dma_ops to have - * one or the other, or both by checking to see if the specific - * function requested exists; and if not, falling back on the other set. + * map_/unmap_single actually call through to map/unmap_page now that all the + * dma_mapping_ops have been converted over. We just have to get the page and + * offset to pass through to map_page */ static inline dma_addr_t dma_map_single_attrs(struct device *dev, void *cpu_addr, @@ -164,10 +157,6 @@ static inline dma_addr_t dma_map_single_attrs(struct device *dev, BUG_ON(!dma_ops); - if (dma_ops->map_single) - return dma_ops->map_single(dev, cpu_addr, size, direction, - attrs); - return dma_ops->map_page(dev, virt_to_page(cpu_addr), (unsigned long)cpu_addr % PAGE_SIZE, size, direction, attrs); @@ -183,11 +172,6 @@ static inline void dma_unmap_single_attrs(struct device *dev, BUG_ON(!dma_ops); - if (dma_ops->unmap_single) { - dma_ops->unmap_single(dev, dma_addr, size, direction, attrs); - return; - } - dma_ops->unmap_page(dev, dma_addr, size, direction, attrs); } @@ -201,12 +185,7 @@ static inline dma_addr_t dma_map_page_attrs(struct device *dev, BUG_ON(!dma_ops); - if (dma_ops->map_page) - return dma_ops->map_page(dev, page, offset, size, direction, - attrs); - - return dma_ops->map_single(dev, page_address(page) + offset, size, - direction, attrs); + return dma_ops->map_page(dev, page, offset, size, direction, attrs); } static inline void dma_unmap_page_attrs(struct device *dev, @@ -219,12 +198,7 @@ static inline void dma_unmap_page_attrs(struct device *dev, BUG_ON(!dma_ops); - if (dma_ops->unmap_page) { - dma_ops->unmap_page(dev, dma_address, size, direction, attrs); - return; - } - - dma_ops->unmap_single(dev, dma_address, size, direction, attrs); + dma_ops->unmap_page(dev, dma_address, size, direction, attrs); } static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, |