54 	dma_status = dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);  in __dma_rx_complete()
178 	desc = dmaengine_prep_slave_single(dma->rxchan, dma->rx_addr,  in serial8250_rx_dma()
190 	dma_async_issue_pending(dma->rxchan);  in serial8250_rx_dma()
200 		dmaengine_pause(dma->rxchan);  in serial8250_rx_dma_flush()
202 		dmaengine_terminate_async(dma->rxchan);  in serial8250_rx_dma_flush()
231 	dma->rxchan = dma_request_slave_channel_compat(mask,  in serial8250_request_dma()
234 	if (!dma->rxchan)  in serial8250_request_dma()
238 	ret = dma_get_slave_caps(dma->rxchan, &caps);  in serial8250_request_dma()
247 	dmaengine_slave_config(dma->rxchan, &dma->rxconf);  in serial8250_request_dma()
273 	dma->rx_buf = dma_alloc_coherent(dma->rxchan->device->dev, dma->rx_size,  in serial8250_request_dma()
286 		dma_free_coherent(dma->rxchan->device->dev, dma->rx_size,  in serial8250_request_dma()
298 	dma_release_channel(dma->rxchan);  in serial8250_request_dma()
311 	dmaengine_terminate_sync(dma->rxchan);  in serial8250_release_dma()
312 	dma_free_coherent(dma->rxchan->device->dev, dma->rx_size, dma->rx_buf,  in serial8250_release_dma()
314 	dma_release_channel(dma->rxchan);  in serial8250_release_dma()
315 	dma->rxchan = NULL;  in serial8250_release_dma()