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serial: sb1250-duart: 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/20221019091151.6692-30-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:36 +03:00 committed by Greg Kroah-Hartman
parent ec04d75fe4
commit 10b459d2c3
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/serial/sb1250-duart.c
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@ -399,8 +399,7 @@ static void sbd_transmit_chars(struct sbd_port *sport)
/* Send char. */
if (!stop_tx) {
write_sbdchn(sport, R_DUART_TX_HOLD, xmit->buf[xmit->tail]);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
sport->port.icount.tx++;
uart_xmit_advance(&sport->port, 1);
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&sport->port);