1439 	struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;  in atmel_release_tx_pdc()  local
1442 			 pdc->dma_addr,  in atmel_release_tx_pdc()
1443 			 pdc->dma_size,  in atmel_release_tx_pdc()
1454 	struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;  in atmel_tx_pdc()  local
1461 	xmit->tail += pdc->ofs;  in atmel_tx_pdc()
1464 	port->icount.tx += pdc->ofs;  in atmel_tx_pdc()
1465 	pdc->ofs = 0;  in atmel_tx_pdc()
1474 					   pdc->dma_addr,  in atmel_tx_pdc()
1475 					   pdc->dma_size,  in atmel_tx_pdc()
1479 		pdc->ofs = count;  in atmel_tx_pdc()
1482 				  pdc->dma_addr + xmit->tail);  in atmel_tx_pdc()
1503 	struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;  in atmel_prepare_tx_pdc()  local
1506 	pdc->buf = xmit->buf;  in atmel_prepare_tx_pdc()
1507 	pdc->dma_addr = dma_map_single(port->dev,  in atmel_prepare_tx_pdc()
1508 					pdc->buf,  in atmel_prepare_tx_pdc()
1511 	pdc->dma_size = UART_XMIT_SIZE;  in atmel_prepare_tx_pdc()
1512 	pdc->ofs = 0;  in atmel_prepare_tx_pdc()
1591 		struct atmel_dma_buffer *pdc = &atmel_port->pdc_rx[i];  in atmel_release_rx_pdc()  local
1594 				 pdc->dma_addr,  in atmel_release_rx_pdc()
1595 				 pdc->dma_size,  in atmel_release_rx_pdc()
1597 		kfree(pdc->buf);  in atmel_release_rx_pdc()
1605 	struct atmel_dma_buffer *pdc;  in atmel_rx_from_pdc()  local
1615 		pdc = &atmel_port->pdc_rx[rx_idx];  in atmel_rx_from_pdc()
1616 		head = atmel_uart_readl(port, ATMEL_PDC_RPR) - pdc->dma_addr;  in atmel_rx_from_pdc()
1617 		tail = pdc->ofs;  in atmel_rx_from_pdc()
1629 		head = min(head, pdc->dma_size);  in atmel_rx_from_pdc()
1632 			dma_sync_single_for_cpu(port->dev, pdc->dma_addr,  in atmel_rx_from_pdc()
1633 					pdc->dma_size, DMA_FROM_DEVICE);  in atmel_rx_from_pdc()
1643 			tty_insert_flip_string(tport, pdc->buf + pdc->ofs,  in atmel_rx_from_pdc()
1646 			dma_sync_single_for_device(port->dev, pdc->dma_addr,  in atmel_rx_from_pdc()
1647 					pdc->dma_size, DMA_FROM_DEVICE);  in atmel_rx_from_pdc()
1650 			pdc->ofs = head;  in atmel_rx_from_pdc()
1657 		if (head >= pdc->dma_size) {  in atmel_rx_from_pdc()
1658 			pdc->ofs = 0;  in atmel_rx_from_pdc()
1659 			atmel_uart_writel(port, ATMEL_PDC_RNPR, pdc->dma_addr);  in atmel_rx_from_pdc()
1660 			atmel_uart_writel(port, ATMEL_PDC_RNCR, pdc->dma_size);  in atmel_rx_from_pdc()
1665 	} while (head >= pdc->dma_size);  in atmel_rx_from_pdc()
1685 		struct atmel_dma_buffer *pdc = &atmel_port->pdc_rx[i];  in atmel_prepare_rx_pdc()  local
1687 		pdc->buf = kmalloc(PDC_BUFFER_SIZE, GFP_KERNEL);  in atmel_prepare_rx_pdc()
1688 		if (pdc->buf == NULL) {  in atmel_prepare_rx_pdc()
1699 		pdc->dma_addr = dma_map_single(port->dev,  in atmel_prepare_rx_pdc()
1700 						pdc->buf,  in atmel_prepare_rx_pdc()
1703 		pdc->dma_size = PDC_BUFFER_SIZE;  in atmel_prepare_rx_pdc()
1704 		pdc->ofs = 0;  in atmel_prepare_rx_pdc()