dbg("disconnect done");
static void uss720_disconnect(struct usb_interface *intf){	struct parport *pp = usb_get_intfdata (intf);	struct parport_uss720_private *priv;	usb_set_intfdata (intf, NULL);	if (pp) {		priv = pp->private_data;		parport_remove_port(pp);#if 0		usb_release_irq(usbdev, priv->irqhandle, priv->irqpipe);#endif		priv->usbdev = NULL;		parport_put_port(pp);		kfree(priv);	}}