100 	req->mapped_buff = dma_map_single(md_ctrl->dev, req->skb->data, size, DMA_FROM_DEVICE);  in t7xx_cldma_alloc_and_map_skb()
101 	if (dma_mapping_error(md_ctrl->dev, req->mapped_buff)) {  in t7xx_cldma_alloc_and_map_skb()
104 		req->mapped_buff = 0;  in t7xx_cldma_alloc_and_map_skb()
154 		if (req->mapped_buff) {  in t7xx_cldma_gpd_rx_from_q()
155 			dma_unmap_single(md_ctrl->dev, req->mapped_buff,  in t7xx_cldma_gpd_rx_from_q()
157 			req->mapped_buff = 0;  in t7xx_cldma_gpd_rx_from_q()
182 		t7xx_cldma_gpd_set_data_ptr(gpd, req->mapped_buff);  in t7xx_cldma_gpd_rx_from_q()
281 		dma_free = req->mapped_buff;  in t7xx_cldma_gpd_tx_collect()
376 		if (req_cur->mapped_buff && req_cur->skb) {  in t7xx_cldma_ring_free()
377 			dma_unmap_single(md_ctrl->dev, req_cur->mapped_buff,  in t7xx_cldma_ring_free()
379 			req_cur->mapped_buff = 0;  in t7xx_cldma_ring_free()
437 		t7xx_cldma_gpd_set_data_ptr(gpd, req->mapped_buff);  in t7xx_cldma_rx_ring_init()
808 		t7xx_cldma_gpd_set_data_ptr(req->gpd, req->mapped_buff);  in t7xx_cldma_clear_rxq()
852 	tx_req->mapped_buff = dma_map_single(md_ctrl->dev, skb->data, skb->len, DMA_TO_DEVICE);  in t7xx_cldma_gpd_handle_tx_request()
854 	if (dma_mapping_error(md_ctrl->dev, tx_req->mapped_buff)) {  in t7xx_cldma_gpd_handle_tx_request()
859 	t7xx_cldma_gpd_set_data_ptr(gpd, tx_req->mapped_buff);  in t7xx_cldma_gpd_handle_tx_request()