USB: address FIXME in usbnet w.r.t drivers claiming multiple interfaces

/*-------------------------------------------------------------------------*/

/* FIXME these suspend/resume methods assume non-CDC style

 * devices, with only one interface.

/*

 * suspend the whole driver as soon as the first interface is suspended

 * resume only when the last interface is resumed

 */

int usbnet_suspend (struct usb_interface *intf, pm_message_t message)

{

	struct usbnet		*dev = usb_get_intfdata(intf);

	if (!dev->suspend_count++) {

		/* accelerate emptying of the rx and queues, to avoid

		 * having everything error out.

		 */

		netif_device_detach (dev->net);

		(void) unlink_urbs (dev, &dev->rxq);

		(void) unlink_urbs (dev, &dev->txq);

	}

	return 0;

}

EXPORT_SYMBOL_GPL(usbnet_suspend);

{

	struct usbnet		*dev = usb_get_intfdata(intf);

	if (!--dev->suspend_count) {

		netif_device_attach (dev->net);

		tasklet_schedule (&dev->bh);

	}

	return 0;

}

EXPORT_SYMBOL_GPL(usbnet_resume);

	const char		*driver_name;

	wait_queue_head_t	*wait;

	struct mutex		phy_mutex;

	unsigned char		suspend_count;

	/* i/o info: pipes etc */

	unsigned		in, out;