622 	struct dma_async_tx_descriptor *desc;  in imx_uart_dma_tx()  local
653 	desc = dmaengine_prep_slave_sg(chan, sgl, ret,  in imx_uart_dma_tx()
655 	if (!desc) {  in imx_uart_dma_tx()
661 	desc->callback = imx_uart_dma_tx_callback;  in imx_uart_dma_tx()
662 	desc->callback_param = sport;  in imx_uart_dma_tx()
673 	dmaengine_submit(desc);  in imx_uart_dma_tx()
1272 	struct dma_async_tx_descriptor *desc;  in imx_uart_start_rx_dma()  local
1285 	desc = dmaengine_prep_dma_cyclic(chan, sg_dma_address(sgl),  in imx_uart_start_rx_dma()
1289 	if (!desc) {  in imx_uart_start_rx_dma()
1294 	desc->callback = imx_uart_dma_rx_callback;  in imx_uart_start_rx_dma()
1295 	desc->callback_param = sport;  in imx_uart_start_rx_dma()
1299 	sport->rx_cookie = dmaengine_submit(desc);  in imx_uart_start_rx_dma()