[PATCH 23/44] serial: milbeaut_usio: Use uart_xmit_advance()

[Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>]

Take advantage of the new uart_xmit_advance() helper.

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

diff --git a/drivers/tty/serial/milbeaut_usio.c b/drivers/tty/serial/milbeaut_usio.c
index c15e0d84dc7e..44988a2941b8 100644
--- a/drivers/tty/serial/milbeaut_usio.c
+++ b/drivers/tty/serial/milbeaut_usio.c
@@ -98,8 +98,7 @@ static void mlb_usio_tx_chars(struct uart_port *port)
 	do {
 		writew(xmit->buf[xmit->tail], port->membase + MLB_USIO_REG_DR);
 
-		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-		port->icount.tx++;
+		uart_xmit_advance(port, 1);
 		if (uart_circ_empty(xmit))
 			break;
 
-- 
2.30.2