1240 	struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;  in atmel_release_tx_pdc()  local
1243 			 pdc->dma_addr,  in atmel_release_tx_pdc()
1244 			 pdc->dma_size,  in atmel_release_tx_pdc()
1255 	struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;  in atmel_tx_pdc()  local
1262 	xmit->tail += pdc->ofs;  in atmel_tx_pdc()
1265 	port->icount.tx += pdc->ofs;  in atmel_tx_pdc()
1266 	pdc->ofs = 0;  in atmel_tx_pdc()
1275 					   pdc->dma_addr,  in atmel_tx_pdc()
1276 					   pdc->dma_size,  in atmel_tx_pdc()
1280 		pdc->ofs = count;  in atmel_tx_pdc()
1282 		UART_PUT_TPR(port, pdc->dma_addr + xmit->tail);  in atmel_tx_pdc()
1303 	struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;  in atmel_prepare_tx_pdc()  local
1306 	pdc->buf = xmit->buf;  in atmel_prepare_tx_pdc()
1307 	pdc->dma_addr = dma_map_single(port->dev,  in atmel_prepare_tx_pdc()
1308 					pdc->buf,  in atmel_prepare_tx_pdc()
1311 	pdc->dma_size = UART_XMIT_SIZE;  in atmel_prepare_tx_pdc()
1312 	pdc->ofs = 0;  in atmel_prepare_tx_pdc()
1391 		struct atmel_dma_buffer *pdc = &atmel_port->pdc_rx[i];  in atmel_release_rx_pdc()  local
1394 				 pdc->dma_addr,  in atmel_release_rx_pdc()
1395 				 pdc->dma_size,  in atmel_release_rx_pdc()
1397 		kfree(pdc->buf);  in atmel_release_rx_pdc()
1405 	struct atmel_dma_buffer *pdc;  in atmel_rx_from_pdc()  local
1415 		pdc = &atmel_port->pdc_rx[rx_idx];  in atmel_rx_from_pdc()
1416 		head = UART_GET_RPR(port) - pdc->dma_addr;  in atmel_rx_from_pdc()
1417 		tail = pdc->ofs;  in atmel_rx_from_pdc()
1429 		head = min(head, pdc->dma_size);  in atmel_rx_from_pdc()
1432 			dma_sync_single_for_cpu(port->dev, pdc->dma_addr,  in atmel_rx_from_pdc()
1433 					pdc->dma_size, DMA_FROM_DEVICE);  in atmel_rx_from_pdc()
1443 			tty_insert_flip_string(tport, pdc->buf + pdc->ofs,  in atmel_rx_from_pdc()
1446 			dma_sync_single_for_device(port->dev, pdc->dma_addr,  in atmel_rx_from_pdc()
1447 					pdc->dma_size, DMA_FROM_DEVICE);  in atmel_rx_from_pdc()
1450 			pdc->ofs = head;  in atmel_rx_from_pdc()
1457 		if (head >= pdc->dma_size) {  in atmel_rx_from_pdc()
1458 			pdc->ofs = 0;  in atmel_rx_from_pdc()
1459 			UART_PUT_RNPR(port, pdc->dma_addr);  in atmel_rx_from_pdc()
1460 			UART_PUT_RNCR(port, pdc->dma_size);  in atmel_rx_from_pdc()
1465 	} while (head >= pdc->dma_size);  in atmel_rx_from_pdc()
1484 		struct atmel_dma_buffer *pdc = &atmel_port->pdc_rx[i];  in atmel_prepare_rx_pdc()  local
1486 		pdc->buf = kmalloc(PDC_BUFFER_SIZE, GFP_KERNEL);  in atmel_prepare_rx_pdc()
1487 		if (pdc->buf == NULL) {  in atmel_prepare_rx_pdc()
1498 		pdc->dma_addr = dma_map_single(port->dev,  in atmel_prepare_rx_pdc()
1499 						pdc->buf,  in atmel_prepare_rx_pdc()
1502 		pdc->dma_size = PDC_BUFFER_SIZE;  in atmel_prepare_rx_pdc()
1503 		pdc->ofs = 0;  in atmel_prepare_rx_pdc()