linux-kernel - [PATCH 36/44] serial: sunplus-uart: Use uart_xmit

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Message-Id: <20221019091151.6692-37-ilpo.jarvinen@linux.intel.com>
Date:   Wed, 19 Oct 2022 12:11:43 +0300
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     linux-serial@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Hammer Hsieh <hammerh0314@...il.com>,
        linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH 36/44] serial: sunplus-uart: Use uart_xmit_advance()

Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
---
 drivers/tty/serial/sunplus-uart.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/serial/sunplus-uart.c b/drivers/tty/serial/sunplus-uart.c
index 7afe61a0e72e..727942c43c45 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));
-- 
2.30.2