136 	struct dma_chan			*chan_tx;  member
581 		if (s->chan_tx)  in sci_start_tx()
589 	if (s->chan_tx && !uart_circ_empty(&s->port.state->xmit) &&  in sci_start_tx()
596 	if (!s->chan_tx || port->type == PORT_SCIFA || port->type == PORT_SCIFB) {  in sci_start_tx()
1339 	s->chan_tx_saved = s->chan_tx = NULL;  in sci_dma_tx_release()
1394 	struct dma_chan *chan = s->chan_tx;  in sci_dma_tx_work_fn()
1451 	s->chan_tx = NULL;  in sci_dma_tx_work_fn()
1602 			s->chan_tx_saved = s->chan_tx = chan;  in sci_request_dma()
1665 	if (s->chan_tx) {  in sci_flush_buffer()
1666 		dmaengine_terminate_async(s->chan_tx);  in sci_flush_buffer()
1790 	if (!s->chan_tx)  in sci_er_interrupt()
1814 	    !s->chan_tx)  in sci_mpxed_interrupt()