serial: sunsu: Use uart_xmit_advance()

Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-39-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:45 +03:00 committed by Greg Kroah-Hartman
parent 5aaae464d6
commit 7f20ab7094

View File

@ -417,8 +417,7 @@ static void transmit_chars(struct uart_sunsu_port *up)
count = up->port.fifosize;
do {
serial_out(up, UART_TX, xmit->buf[xmit->tail]);
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;
} while (--count > 0);