260 	struct uart_8250_dma	*dma = up->dma;  in omap8250_restore_regs()  local
262 	if (dma && dma->tx_running) {  in omap8250_restore_regs()
434 	if (up->dma)  in omap_8250_set_termios()
575 	if (up->dma) {  in omap8250_irq()
611 	if (up->dma) {  in omap_8250_startup()
616 			up->dma = NULL;  in omap_8250_startup()
638 	if (up->dma)  in omap_8250_startup()
639 		up->dma->rx_dma(up, 0);  in omap_8250_startup()
657 	if (up->dma)  in omap_8250_shutdown()
658 		up->dma->rx_dma(up, UART_IIR_RX_TIMEOUT);  in omap_8250_shutdown()
667 	if (up->dma)  in omap_8250_shutdown()
723 	struct uart_8250_dma    *dma = p->dma;  in __dma_rx_do_complete()  local
730 	dma_sync_single_for_cpu(dma->rxchan->device->dev, dma->rx_addr,  in __dma_rx_do_complete()
731 				dma->rx_size, DMA_FROM_DEVICE);  in __dma_rx_do_complete()
735 	if (!dma->rx_running)  in __dma_rx_do_complete()
738 	dma->rx_running = 0;  in __dma_rx_do_complete()
739 	dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);  in __dma_rx_do_complete()
740 	dmaengine_terminate_all(dma->rxchan);  in __dma_rx_do_complete()
742 	count = dma->rx_size - state.residue;  in __dma_rx_do_complete()
744 	ret = tty_insert_flip_string(tty_port, dma->rx_buf, count);  in __dma_rx_do_complete()
765 	struct uart_8250_dma	*dma = p->dma;  in omap_8250_rx_dma_flush()  local
771 	if (!dma->rx_running) {  in omap_8250_rx_dma_flush()
776 	ret = dmaengine_pause(dma->rxchan);  in omap_8250_rx_dma_flush()
788 	struct uart_8250_dma            *dma = p->dma;  in omap_8250_rx_dma()  local
827 	if (dma->rx_running)  in omap_8250_rx_dma()
830 	desc = dmaengine_prep_slave_single(dma->rxchan, dma->rx_addr,  in omap_8250_rx_dma()
831 					   dma->rx_size, DMA_DEV_TO_MEM,  in omap_8250_rx_dma()
838 	dma->rx_running = 1;  in omap_8250_rx_dma()
842 	dma->rx_cookie = dmaengine_submit(desc);  in omap_8250_rx_dma()
844 	dma_sync_single_for_device(dma->rxchan->device->dev, dma->rx_addr,  in omap_8250_rx_dma()
845 				   dma->rx_size, DMA_FROM_DEVICE);  in omap_8250_rx_dma()
847 	dma_async_issue_pending(dma->rxchan);  in omap_8250_rx_dma()
858 	struct uart_8250_dma	*dma = p->dma;  in omap_8250_dma_tx_complete()  local
864 	dma_sync_single_for_cpu(dma->txchan->device->dev, dma->tx_addr,  in omap_8250_dma_tx_complete()
869 	dma->tx_running = 0;  in omap_8250_dma_tx_complete()
871 	xmit->tail += dma->tx_size;  in omap_8250_dma_tx_complete()
873 	p->port.icount.tx += dma->tx_size;  in omap_8250_dma_tx_complete()
895 		dma->tx_err = 1;  in omap_8250_dma_tx_complete()
905 	struct uart_8250_dma		*dma = p->dma;  in omap_8250_tx_dma()  local
912 	if (dma->tx_running)  in omap_8250_tx_dma()
921 		if (dma->tx_err || p->capabilities & UART_CAP_RPM) {  in omap_8250_tx_dma()
932 	dma->tx_size = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in omap_8250_tx_dma()
956 		if (dma->tx_size < 4) {  in omap_8250_tx_dma()
963 	desc = dmaengine_prep_slave_single(dma->txchan,  in omap_8250_tx_dma()
964 			dma->tx_addr + xmit->tail + skip_byte,  in omap_8250_tx_dma()
965 			dma->tx_size - skip_byte, DMA_MEM_TO_DEV,  in omap_8250_tx_dma()
972 	dma->tx_running = 1;  in omap_8250_tx_dma()
977 	dma->tx_cookie = dmaengine_submit(desc);  in omap_8250_tx_dma()
979 	dma_sync_single_for_device(dma->txchan->device->dev, dma->tx_addr,  in omap_8250_tx_dma()
982 	dma_async_issue_pending(dma->txchan);  in omap_8250_tx_dma()
983 	if (dma->tx_err)  in omap_8250_tx_dma()
984 		dma->tx_err = 0;  in omap_8250_tx_dma()
994 	dma->tx_err = 1;  in omap_8250_tx_dma()
1032 	if (status & UART_LSR_THRE && up->dma->tx_err) {  in omap_8250_dma_handle_irq()
1035 			up->dma->tx_err = 0;  in omap_8250_dma_handle_irq()
1209 			up.dma = &priv->omap8250_dma;  in omap8250_probe()
1369 	if (up->dma && up->dma->rxchan)  in omap8250_runtime_suspend()
1394 	if (up->dma && up->dma->rxchan)  in omap8250_runtime_resume()