linux-kernel - [PATCH 20/44] serial: max3100: Use uart_xmit

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Date:   Wed, 19 Oct 2022 12:11:27 +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>, linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH 20/44] serial: max3100: 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/max3100.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c
index c69602f356fd..bb74f23251fe 100644
--- a/drivers/tty/serial/max3100.c
+++ b/drivers/tty/serial/max3100.c
@@ -292,9 +292,7 @@ static void max3100_work(struct work_struct *w)
 			} else if (!uart_circ_empty(xmit) &&
 				   !uart_tx_stopped(&s->port)) {
 				tx = xmit->buf[xmit->tail];
-				xmit->tail = (xmit->tail + 1) &
-					(UART_XMIT_SIZE - 1);
-				s->port.icount.tx++;
+				uart_xmit_advance(&s->port, 1);
 			}
 			if (tx != 0xffff) {
 				max3100_calc_parity(s, &tx);
-- 
2.30.2