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USB: ftdi_sio: clean up device initialisation 

Do not use zeroed termios data to determine when to unconditionally
configure the device at open.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-06-26 16:47:32 +02:00 committed by Greg Kroah-Hartman
parent dc43ff924d
commit be0278ccf3
1 changed files with 2 additions and 5 deletions
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7
drivers/usb/serial/ftdi_sio.c
View File

@ -1842,7 +1842,6 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port)
static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct ktermios dummy;
struct usb_device *dev = port->serial->dev;
struct ftdi_private *priv = usb_get_serial_port_data(port);
@ -1858,10 +1857,8 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
This is same behaviour as serial.c/rs_open() - Kuba */
/* ftdi_set_termios will send usb control messages */
if (tty) {
memset(&dummy, 0, sizeof(dummy));
ftdi_set_termios(tty, port, &dummy);
}
if (tty)
ftdi_set_termios(tty, port, NULL);
return usb_serial_generic_open(tty, port);
}