# \[PATCH 42/44\] serial: ucc\_uart: Use uart\_xmit\_advance()

- From: Ilpo Järvinen \<ilpo.jarvinen@linux.intel.com\>
- Date: 2022-10-19 11:16:42 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2022/10/1971681
- Thread: https://ratatoskr.run/linux-serial/2022/10/1971392/t.md

```text
Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 drivers/tty/serial/ucc_uart.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index 82cf14dd3d43..b09b6496ee3e 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -372,8 +372,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port)
 		p = qe2cpu_addr(be32_to_cpu(bdp->buf), qe_port);
 		while (count < qe_port->tx_fifosize) {
 			*p++ = xmit->buf[xmit->tail];
-			xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-			port->icount.tx++;
+			uart_xmit_advance(port, 1);
 			count++;
 			if (xmit->head == xmit->tail)
 				break;
-- 
2.30.2

```