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Commit 7e9cd3a6 authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds
Browse files

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: default avatarAlan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7f8d09ea

drivers/usb/serial/ftdi_sio.c

+0 −5
Original line number Diff line number Diff line
@@ -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);