serial: sccnxp: 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/20221019091151.6692-31-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:37 +03:00 committed by Greg Kroah-Hartman
parent 10b459d2c3
commit 3ea03c021d

View file

@ -468,8 +468,7 @@ static void sccnxp_handle_tx(struct uart_port *port)
break;
sccnxp_port_write(port, SCCNXP_THR_REG, xmit->buf[xmit->tail]);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
port->icount.tx++;
uart_xmit_advance(port, 1);
}
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)