pch_uart: Fix hw-flow control issue

commit a1d7cfe29f13cf45f8094929864b9c66bf0cd91b upstream.

Using hardware flow control,
currently, register of the control-bit(AFE) is not set.
This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 465210930890b72ecdcaf1c70167b7211f43ed9e..df72c2c0717f4b9c889ca4ea9b7b8cab24dea515 100644 (file)
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1277,6 +1277,7 @@ static void pch_uart_set_termios(struct uart_port *port,
        if (rtn)
                goto out;
 
+       pch_uart_set_mctrl(&priv->port, priv->port.mctrl);
        /* Don't rewrite B0 */
        if (tty_termios_baud_rate(termios))
                tty_termios_encode_baud_rate(termios, baud, baud);