diff options
Diffstat (limited to 'include/asm-sparc64/dma-mapping.h')
| -rw-r--r-- | include/asm-sparc64/dma-mapping.h | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h index 1fc655452b81..38cbec76a33f 100644 --- a/include/asm-sparc64/dma-mapping.h +++ b/include/asm-sparc64/dma-mapping.h @@ -25,15 +25,9 @@ struct dma_ops { void (*sync_single_for_cpu)(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction); - void (*sync_single_for_device)(struct device *dev, - dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction); void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction); - void (*sync_sg_for_device)(struct device *dev, struct scatterlist *sg, - int nelems, - enum dma_data_direction direction); }; extern const struct dma_ops *dma_ops; @@ -105,7 +99,7 @@ static inline void dma_sync_single_for_device(struct device *dev, size_t size, enum dma_data_direction direction) { - dma_ops->sync_single_for_device(dev, dma_handle, size, direction); + /* No flushing needed to sync cpu writes to the device. */ } static inline void dma_sync_single_range_for_cpu(struct device *dev, @@ -123,7 +117,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev, size_t size, enum dma_data_direction direction) { - dma_sync_single_for_device(dev, dma_handle+offset, size, direction); + /* No flushing needed to sync cpu writes to the device. */ } @@ -138,7 +132,7 @@ static inline void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction) { - dma_ops->sync_sg_for_device(dev, sg, nelems, direction); + /* No flushing needed to sync cpu writes to the device. */ } static inline int dma_mapping_error(dma_addr_t dma_addr) |