243 	struct dma_chan		*dma_rx_chan;  member
440 	sport->dma_rx_desc = dmaengine_prep_slave_single(sport->dma_rx_chan,  in lpuart_dma_rx()
453 	dma_async_issue_pending(sport->dma_rx_chan);  in lpuart_dma_rx()
496 	dmaengine_pause(sport->dma_rx_chan);  in lpuart_timer_func()
497 	dmaengine_tx_status(sport->dma_rx_chan, sport->dma_rx_cookie, &state);  in lpuart_timer_func()
498 	dmaengine_terminate_all(sport->dma_rx_chan);  in lpuart_timer_func()
1018 	dma_bus = dma_map_single(sport->dma_rx_chan->device->dev, dma_buf,  in lpuart_dma_rx_request()
1021 	if (dma_mapping_error(sport->dma_rx_chan->device->dev, dma_bus)) {  in lpuart_dma_rx_request()
1030 	ret = dmaengine_slave_config(sport->dma_rx_chan, &dma_rx_sconfig);  in lpuart_dma_rx_request()
1087 	if (sport->dma_rx_chan && !lpuart_dma_rx_request(port)) {  in lpuart_startup()
1875 	sport->dma_rx_chan = dma_request_slave_channel(sport->port.dev, "rx");  in lpuart_probe()
1876 	if (!sport->dma_rx_chan)  in lpuart_probe()
1894 	if (sport->dma_rx_chan)  in lpuart_remove()
1895 		dma_release_channel(sport->dma_rx_chan);  in lpuart_remove()