diff options
Diffstat (limited to 'include/asm-x86_64/dma-mapping.h')
| -rw-r--r-- | include/asm-x86_64/dma-mapping.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h index a416dc31634a..36d16dfbac88 100644 --- a/include/asm-x86_64/dma-mapping.h +++ b/include/asm-x86_64/dma-mapping.h @@ -17,7 +17,7 @@ extern dma_addr_t bad_dma_address; (swiotlb ? swiotlb_dma_mapping_error(x) : ((x) == bad_dma_address)) void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, - unsigned gfp); + gfp_t gfp); void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); @@ -85,6 +85,34 @@ static inline void dma_sync_single_for_device(struct device *hwdev, flush_write_buffers(); } +static inline void dma_sync_single_range_for_cpu(struct device *hwdev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, int direction) +{ + if (direction == DMA_NONE) + out_of_line_bug(); + + if (swiotlb) + return swiotlb_sync_single_range_for_cpu(hwdev,dma_handle,offset,size,direction); + + flush_write_buffers(); +} + +static inline void dma_sync_single_range_for_device(struct device *hwdev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, int direction) +{ + if (direction == DMA_NONE) + out_of_line_bug(); + + if (swiotlb) + return swiotlb_sync_single_range_for_device(hwdev,dma_handle,offset,size,direction); + + flush_write_buffers(); +} + static inline void dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, int nelems, int direction) |