diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c index 1dcc404b5aecd17a88880c20d9132a4241b92170..98e21ce526be5f4e3f373d3e8b8ee0a4b66963cc 100644 --- a/arch/arc/mm/dma.c +++ b/arch/arc/mm/dma.c @@ -153,6 +153,18 @@ static void _dma_cache_sync(phys_addr_t paddr, size_t size, } } +static void arc_dma_sync_single_for_device(struct device *dev, + dma_addr_t dma_handle, size_t size, enum dma_data_direction dir) +{ + dma_cache_wback(dma_handle, size); +} + +static void arc_dma_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, size_t size, enum dma_data_direction dir) +{ + dma_cache_inv(dma_handle, size); +} + /* * arc_dma_map_page - map a portion of a page for streaming DMA * @@ -221,18 +233,6 @@ static void arc_dma_unmap_sg(struct device *dev, struct scatterlist *sg, attrs); } -static void arc_dma_sync_single_for_cpu(struct device *dev, - dma_addr_t dma_handle, size_t size, enum dma_data_direction dir) -{ - _dma_cache_sync(dma_handle, size, DMA_FROM_DEVICE); -} - -static void arc_dma_sync_single_for_device(struct device *dev, - dma_addr_t dma_handle, size_t size, enum dma_data_direction dir) -{ - _dma_cache_sync(dma_handle, size, DMA_TO_DEVICE); -} - static void arc_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sglist, int nelems, enum dma_data_direction dir)