linux-kernel - [PATCH 35/44] serial: sunhv: Use uart_xmit

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Date:   Wed, 19 Oct 2022 12:11:42 +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>,
        "David S. Miller" <davem@...emloft.net>,
        sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH 35/44] serial: sunhv: 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/sunhv.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c
index 1938ba5e98c0..16c746a63258 100644
--- a/drivers/tty/serial/sunhv.c
+++ b/drivers/tty/serial/sunhv.c
@@ -47,8 +47,7 @@ static void transmit_chars_putchar(struct uart_port *port, struct circ_buf *xmit
 		if (status != HV_EOK)
 			break;
 
-		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-		port->icount.tx++;
+		uart_xmit_advance(port, 1);
 	}
 }
 
@@ -63,8 +62,7 @@ static void transmit_chars_write(struct uart_port *port, struct circ_buf *xmit)
 		status = sun4v_con_write(ra, len, &sent);
 		if (status != HV_EOK)
 			break;
-		xmit->tail = (xmit->tail + sent) & (UART_XMIT_SIZE - 1);
-		port->icount.tx += sent;
+		uart_xmit_advance(port, sent);
 	}
 }
 
-- 
2.30.2