ftdi_sio: don't override modem bits

The new open/close logic handles DTR and friends, so don't do it in our own
open routine as well.

Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 21c053c..683304d 100644 (file)
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1556,11 +1556,6 @@ static int ftdi_open(struct tty_struct *tty,
        if (tty)
                ftdi_set_termios(tty, port, tty->termios);
 
-       /* FIXME: Flow control might be enabled, so it should be checked -
-          we have no control of defaults! */
-       /* Turn on RTS and DTR since we are not flow controlling by default */
-       set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
-
        /* Not throttled */
        spin_lock_irqsave(&priv->rx_lock, flags);
        priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);