265 				  enum dma_data_direction direction,  in dma_4u_map_page()  argument
279 	if (unlikely(direction == DMA_NONE))  in dma_4u_map_page()
304 	if (direction != DMA_TO_DEVICE)  in dma_4u_map_page()
322 			 enum dma_data_direction direction)  in strbuf_flush()  argument
365 	if (direction == DMA_TO_DEVICE)  in strbuf_flush()
387 			      size_t sz, enum dma_data_direction direction,  in dma_4u_unmap_page()  argument
395 	if (unlikely(direction == DMA_NONE)) {  in dma_4u_unmap_page()
420 			     npages, direction);  in dma_4u_unmap_page()
433 			 int nelems, enum dma_data_direction direction,  in dma_4u_map_sg()  argument
446 	BUG_ON(direction == DMA_NONE);  in dma_4u_map_sg()
463 	if (direction != DMA_TO_DEVICE)  in dma_4u_map_sg()
606 			    int nelems, enum dma_data_direction direction,  in dma_4u_unmap_sg()  argument
614 	BUG_ON(direction == DMA_NONE);  in dma_4u_unmap_sg()
642 				     npages, direction);  in dma_4u_unmap_sg()
659 				       enum dma_data_direction direction)  in dma_4u_sync_single_for_cpu()  argument
690 	strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);  in dma_4u_sync_single_for_cpu()
697 				   enum dma_data_direction direction)  in dma_4u_sync_sg_for_cpu()  argument
736 	strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);  in dma_4u_sync_sg_for_cpu()