236 	struct uart_8250_dma	*dma = up->dma;  in omap8250_restore_regs()  local
238 	if (dma && dma->tx_running) {  in omap8250_restore_regs()
412 	if (up->dma)  in omap_8250_set_termios()
577 	if (up->dma) {  in omap8250_irq()
615 	if (up->dma) {  in omap_8250_startup()
620 			up->dma = NULL;  in omap_8250_startup()
642 	if (up->dma)  in omap_8250_startup()
643 		up->dma->rx_dma(up, 0);  in omap_8250_startup()
662 	if (up->dma)  in omap_8250_shutdown()
663 		up->dma->rx_dma(up, UART_IIR_RX_TIMEOUT);  in omap_8250_shutdown()
672 	if (up->dma)  in omap_8250_shutdown()
729 	struct uart_8250_dma    *dma = p->dma;  in __dma_rx_do_complete()  local
734 	dma_sync_single_for_cpu(dma->rxchan->device->dev, dma->rx_addr,  in __dma_rx_do_complete()
735 				dma->rx_size, DMA_FROM_DEVICE);  in __dma_rx_do_complete()
737 	dma->rx_running = 0;  in __dma_rx_do_complete()
738 	dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);  in __dma_rx_do_complete()
739 	dmaengine_terminate_all(dma->rxchan);  in __dma_rx_do_complete()
741 	count = dma->rx_size - state.residue;  in __dma_rx_do_complete()
743 	tty_insert_flip_string(tty_port, dma->rx_buf, count);  in __dma_rx_do_complete()
758 	struct uart_8250_dma            *dma = p->dma;  in omap_8250_rx_dma()  local
764 		if (dma->rx_running) {  in omap_8250_rx_dma()
765 			dmaengine_pause(dma->rxchan);  in omap_8250_rx_dma()
774 		if (dma->rx_running) {  in omap_8250_rx_dma()
775 			dmaengine_pause(dma->rxchan);  in omap_8250_rx_dma()
789 		if (dma->rx_running) {  in omap_8250_rx_dma()
790 			dmaengine_pause(dma->rxchan);  in omap_8250_rx_dma()
799 	if (dma->rx_running)  in omap_8250_rx_dma()
802 	desc = dmaengine_prep_slave_single(dma->rxchan, dma->rx_addr,  in omap_8250_rx_dma()
803 					   dma->rx_size, DMA_DEV_TO_MEM,  in omap_8250_rx_dma()
808 	dma->rx_running = 1;  in omap_8250_rx_dma()
812 	dma->rx_cookie = dmaengine_submit(desc);  in omap_8250_rx_dma()
814 	dma_sync_single_for_device(dma->rxchan->device->dev, dma->rx_addr,  in omap_8250_rx_dma()
815 				   dma->rx_size, DMA_FROM_DEVICE);  in omap_8250_rx_dma()
817 	dma_async_issue_pending(dma->rxchan);  in omap_8250_rx_dma()
826 	struct uart_8250_dma	*dma = p->dma;  in omap_8250_dma_tx_complete()  local
832 	dma_sync_single_for_cpu(dma->txchan->device->dev, dma->tx_addr,  in omap_8250_dma_tx_complete()
837 	dma->tx_running = 0;  in omap_8250_dma_tx_complete()
839 	xmit->tail += dma->tx_size;  in omap_8250_dma_tx_complete()
841 	p->port.icount.tx += dma->tx_size;  in omap_8250_dma_tx_complete()
863 		dma->tx_err = 1;  in omap_8250_dma_tx_complete()
873 	struct uart_8250_dma		*dma = p->dma;  in omap_8250_tx_dma()  local
880 	if (dma->tx_running)  in omap_8250_tx_dma()
889 		if (dma->tx_err || p->capabilities & UART_CAP_RPM) {  in omap_8250_tx_dma()
900 	dma->tx_size = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in omap_8250_tx_dma()
924 		if (dma->tx_size < 4) {  in omap_8250_tx_dma()
931 	desc = dmaengine_prep_slave_single(dma->txchan,  in omap_8250_tx_dma()
932 			dma->tx_addr + xmit->tail + skip_byte,  in omap_8250_tx_dma()
933 			dma->tx_size - skip_byte, DMA_MEM_TO_DEV,  in omap_8250_tx_dma()
940 	dma->tx_running = 1;  in omap_8250_tx_dma()
945 	dma->tx_cookie = dmaengine_submit(desc);  in omap_8250_tx_dma()
947 	dma_sync_single_for_device(dma->txchan->device->dev, dma->tx_addr,  in omap_8250_tx_dma()
950 	dma_async_issue_pending(dma->txchan);  in omap_8250_tx_dma()
951 	if (dma->tx_err)  in omap_8250_tx_dma()
952 		dma->tx_err = 0;  in omap_8250_tx_dma()
962 	dma->tx_err = 1;  in omap_8250_tx_dma()
1000 	if (status & UART_LSR_THRE && up->dma->tx_err) {  in omap_8250_dma_handle_irq()
1003 			up->dma->tx_err = 0;  in omap_8250_dma_handle_irq()
1155 			up.dma = &priv->omap8250_dma;  in omap8250_probe()
1304 	if (up->dma)  in omap8250_runtime_suspend()
1330 	if (up->dma)  in omap8250_runtime_resume()