[PATCH 37/44] serial: sunsab: Use uart_xmit_advance()

From: Ilpo Järvinen
Date: Wed Oct 19 2022 - 06:32:18 EST


Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/sunsab.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c
index 99608b2a2b74..94db67f21abf 100644
--- a/drivers/tty/serial/sunsab.c
+++ b/drivers/tty/serial/sunsab.c
@@ -266,8 +266,7 @@ static void transmit_chars(struct uart_sunsab_port *up,
for (i = 0; i < up->port.fifosize; i++) {
writeb(xmit->buf[xmit->tail],
&up->regs->w.xfifo[i]);
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- up->port.icount.tx++;
+ uart_xmit_advance(&up->port, 1);
if (uart_circ_empty(xmit))
break;
}
@@ -453,8 +452,7 @@ static void sunsab_start_tx(struct uart_port *port)
for (i = 0; i < up->port.fifosize; i++) {
writeb(xmit->buf[xmit->tail],
&up->regs->w.xfifo[i]);
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- up->port.icount.tx++;
+ uart_xmit_advance(&up->port, 1);
if (uart_circ_empty(xmit))
break;
}
--
2.30.2