22 	dma_sync_single_for_cpu(dma->txchan->device->dev, dma->tx_addr,  in __dma_tx_complete()
96 			dmaengine_pause(dma->txchan);  in serial8250_tx_dma()
98 			dmaengine_resume(dma->txchan);  in serial8250_tx_dma()
114 	desc = dmaengine_prep_slave_single(dma->txchan,  in serial8250_tx_dma()
129 	dma_sync_single_for_device(dma->txchan->device->dev, dma->tx_addr,  in serial8250_tx_dma()
132 	dma_async_issue_pending(dma->txchan);  in serial8250_tx_dma()
155 	dmaengine_terminate_async(dma->txchan);  in serial8250_tx_dma_flush()
240 	dma->txchan = dma_request_slave_channel_compat(mask,  in serial8250_request_dma()
243 	if (!dma->txchan) {  in serial8250_request_dma()
249 	ret = dma_get_slave_caps(dma->txchan, &caps);  in serial8250_request_dma()
257 	dmaengine_slave_config(dma->txchan, &dma->txconf);  in serial8250_request_dma()
271 	dma->tx_addr = dma_map_single(dma->txchan->device->dev,  in serial8250_request_dma()
275 	if (dma_mapping_error(dma->txchan->device->dev, dma->tx_addr)) {  in serial8250_request_dma()
286 	dma_release_channel(dma->txchan);  in serial8250_request_dma()
308 	dmaengine_terminate_sync(dma->txchan);  in serial8250_release_dma()
309 	dma_unmap_single(dma->txchan->device->dev, dma->tx_addr,  in serial8250_release_dma()
311 	dma_release_channel(dma->txchan);  in serial8250_release_dma()
312 	dma->txchan = NULL;  in serial8250_release_dma()