26 	dma_sync_single_for_cpu(dma->txchan->device->dev, dma->tx_addr,  in __dma_tx_complete()
84 	desc = dmaengine_prep_slave_single(dma->txchan,  in serial8250_tx_dma()
99 	dma_sync_single_for_device(dma->txchan->device->dev, dma->tx_addr,  in serial8250_tx_dma()
102 	dma_async_issue_pending(dma->txchan);  in serial8250_tx_dma()
190 	dma->txchan = dma_request_slave_channel_compat(mask,  in serial8250_request_dma()
193 	if (!dma->txchan) {  in serial8250_request_dma()
198 	dmaengine_slave_config(dma->txchan, &dma->txconf);  in serial8250_request_dma()
210 	dma->tx_addr = dma_map_single(dma->txchan->device->dev,  in serial8250_request_dma()
214 	if (dma_mapping_error(dma->txchan->device->dev, dma->tx_addr)) {  in serial8250_request_dma()
225 	dma_release_channel(dma->txchan);  in serial8250_request_dma()
246 	dmaengine_terminate_all(dma->txchan);  in serial8250_release_dma()
247 	dma_unmap_single(dma->txchan->device->dev, dma->tx_addr,  in serial8250_release_dma()
249 	dma_release_channel(dma->txchan);  in serial8250_release_dma()
250 	dma->txchan = NULL;  in serial8250_release_dma()