From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Date: Wed, 19 Oct 2022 09:11:43 +0000 (+0300)
Subject: serial: sunplus-uart: Use uart_xmit_advance()
X-Git-Tag: v6.2-rc1~68^2~52
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=54ffabbe2203817d1d70ceb97407a4382633d2e5;p=thirdparty%2Fkernel%2Flinux.git

serial: sunplus-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/20221019091151.6692-37-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/sunplus-uart.c b/drivers/tty/serial/sunplus-uart.c
index 7afe61a0e72e4..727942c43c454 100644
--- a/drivers/tty/serial/sunplus-uart.c
+++ b/drivers/tty/serial/sunplus-uart.c
@@ -216,9 +216,7 @@ static void transmit_chars(struct uart_port *port)
 
 	do {
 		sp_uart_put_char(port, xmit->buf[xmit->tail]);
-		xmit->tail = (xmit->tail + 1) % UART_XMIT_SIZE;
-		port->icount.tx++;
-
+		uart_xmit_advance(port, 1);
 		if (uart_circ_empty(xmit))
 			break;
 	} while (sunplus_tx_buf_not_full(port));