From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Date: Wed, 19 Oct 2022 09:11:20 +0000 (+0300)
Subject: serial: cpm_uart: Use uart_xmit_advance()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f8097f0caaf2188e8e4e552116cbd8d5f7746f8a;p=linux.git

serial: cpm_uart: 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/20221019091151.6692-14-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
index b4369ed45ae2d..5565f302cb212 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
@@ -684,8 +684,7 @@ static int cpm_uart_tx_pump(struct uart_port *port)
 		p = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
 		while (count < pinfo->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;