From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Date: Wed, 19 Oct 2022 09:11:37 +0000 (+0300)
Subject: serial: sccnxp: Use uart_xmit_advance()
X-Git-Tag: v6.2-rc1~68^2~58
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3ea03c021dcceac88bbb38f7b67bc08d23c80c84;p=thirdparty%2Fkernel%2Flinux.git

serial: sccnxp: Use uart_xmit_advance()

Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-31-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c
index dd98509f52e5a..7df6878226340 100644
--- a/drivers/tty/serial/sccnxp.c
+++ b/drivers/tty/serial/sccnxp.c
@@ -468,8 +468,7 @@ static void sccnxp_handle_tx(struct uart_port *port)
 			break;
 
 		sccnxp_port_write(port, SCCNXP_THR_REG, xmit->buf[xmit->tail]);
-		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-		port->icount.tx++;
+		uart_xmit_advance(port, 1);
 	}
 
 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)