linux-kernel - [PATCH 06/44] serial: 8250_bcm7271: Use uart_xmit

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Message-Id: <20221019091151.6692-7-ilpo.jarvinen@linux.intel.com>
Date:   Wed, 19 Oct 2022 12:11:13 +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>,
        Al Cooper <alcooperx@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH 06/44] serial: 8250_bcm7271: 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/8250/8250_bcm7271.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_bcm7271.c b/drivers/tty/serial/8250/8250_bcm7271.c
index fa8ccf204d86..062177b64d21 100644
--- a/drivers/tty/serial/8250/8250_bcm7271.c
+++ b/drivers/tty/serial/8250/8250_bcm7271.c
@@ -425,9 +425,7 @@ static int brcmuart_tx_dma(struct uart_8250_port *p)
 
 	priv->dma.tx_err = 0;
 	memcpy(priv->tx_buf, &xmit->buf[xmit->tail], tx_size);
-	xmit->tail += tx_size;
-	xmit->tail &= UART_XMIT_SIZE - 1;
-	p->port.icount.tx += tx_size;
+	uart_xmit_advance(&p->port, tx_size);
 
 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
 		uart_write_wakeup(&p->port);
-- 
2.30.2