22 	dma_sync_single_for_cpu(dma->txchan->device->dev, dma->tx_addr,  in __dma_tx_complete()
70 			dmaengine_pause(dma->txchan);  in serial8250_tx_dma()
72 			dmaengine_resume(dma->txchan);  in serial8250_tx_dma()
88 	desc = dmaengine_prep_slave_single(dma->txchan,  in serial8250_tx_dma()
103 	dma_sync_single_for_device(dma->txchan->device->dev, dma->tx_addr,  in serial8250_tx_dma()
106 	dma_async_issue_pending(dma->txchan);  in serial8250_tx_dma()
198 	dma->txchan = dma_request_slave_channel_compat(mask,  in serial8250_request_dma()
201 	if (!dma->txchan) {  in serial8250_request_dma()
207 	ret = dma_get_slave_caps(dma->txchan, &caps);  in serial8250_request_dma()
215 	dmaengine_slave_config(dma->txchan, &dma->txconf);  in serial8250_request_dma()
229 	dma->tx_addr = dma_map_single(dma->txchan->device->dev,  in serial8250_request_dma()
233 	if (dma_mapping_error(dma->txchan->device->dev, dma->tx_addr)) {  in serial8250_request_dma()
244 	dma_release_channel(dma->txchan);  in serial8250_request_dma()
266 	dmaengine_terminate_sync(dma->txchan);  in serial8250_release_dma()
267 	dma_unmap_single(dma->txchan->device->dev, dma->tx_addr,  in serial8250_release_dma()
269 	dma_release_channel(dma->txchan);  in serial8250_release_dma()
270 	dma->txchan = NULL;  in serial8250_release_dma()