+static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port)
+{
+ struct sierra_port_private *portdata;
+ struct usb_serial *serial = port->serial;
+ struct sierra_intf_private *intfdata = serial->private;
+ int i;
+ int err;
+ int endpoint;
+ struct urb *urb;
+
+ portdata = usb_get_serial_port_data(port);
+
+ dev_dbg(&port->dev, "%s\n", __func__);
+
+ /* Set some sane defaults */
+ portdata->rts_state = 1;
+ portdata->dtr_state = 1;
+
+
+ endpoint = port->bulk_in_endpointAddress;
+ for (i = 0; i < portdata->num_in_urbs; i++) {
+ urb = sierra_setup_urb(serial, endpoint, USB_DIR_IN, port,
+ IN_BUFLEN, GFP_KERNEL,
+ sierra_indat_callback);
+ portdata->in_urbs[i] = urb;
+ }
+ /* clear halt condition */
+ usb_clear_halt(serial->dev,
+ usb_sndbulkpipe(serial->dev, endpoint) | USB_DIR_IN);
+
+ err = sierra_submit_rx_urbs(port, GFP_KERNEL);
+ if (err) {
+ /* get rid of everything as in close */
+ sierra_close(port);
+ /* restore balance for autopm */
+ usb_autopm_put_interface(serial->interface);
+ return err;
+ }
+ sierra_send_setup(port);
+
+ serial->interface->needs_remote_wakeup = 1;
+ spin_lock_irq(&intfdata->susp_lock);
+ portdata->opened = 1;
+ spin_unlock_irq(&intfdata->susp_lock);
+ usb_autopm_put_interface(serial->interface);