102 	struct dma_chan			*chan_tx;  member
501 		if (s->chan_tx)  in sci_start_tx()
509 	if (s->chan_tx && !uart_circ_empty(&s->port.state->xmit) &&  in sci_start_tx()
516 	if (!s->chan_tx || port->type == PORT_SCIFA || port->type == PORT_SCIFB) {  in sci_start_tx()
1151 	struct dma_chan *chan = s->chan_tx;  in sci_tx_dma_release()
1156 	s->chan_tx = NULL;  in sci_tx_dma_release()
1211 	struct dma_chan *chan = s->chan_tx;  in work_fn_tx()
1392 		s->chan_tx = chan;  in sci_request_dma()
1401 			s->chan_tx = NULL;  in sci_request_dma()
1454 	if (s->chan_tx)  in sci_free_dma()
1541 	if (!s->chan_tx)  in sci_er_interrupt()
1578 	    !s->chan_tx)  in sci_mpxed_interrupt()