Staging: wlan-ng prism2usb: add suspend/resume

	usb_set_intfdata(interface, NULL);

}

#ifdef CONFIG_PM

static int prism2sta_suspend(struct usb_interface *interface,

				pm_message_t message)

{

	hfa384x_t *hw = NULL;

	wlandevice_t *wlandev;

	wlandev = (wlandevice_t *) usb_get_intfdata(interface);

	if (!wlandev)

		return -ENODEV;

	hw = wlandev->priv;

	if (!hw)

		return -ENODEV;

	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);

	usb_kill_urb(&hw->rx_urb);

	usb_kill_urb(&hw->tx_urb);

	usb_kill_urb(&hw->ctlx_urb);

	return 0;

}

static int prism2sta_resume(struct usb_interface *interface)

{

	int result = 0;

	hfa384x_t *hw = NULL;

	wlandevice_t *wlandev;

	wlandev = (wlandevice_t *) usb_get_intfdata(interface);

	if (!wlandev)

		return -ENODEV;

	hw = wlandev->priv;

	if (!hw)

		return -ENODEV;

	/* Do a chip-level reset on the MAC */

	if (prism2_doreset) {

		result = hfa384x_corereset(hw,

					   prism2_reset_holdtime,

					   prism2_reset_settletime, 0);

		if (result != 0) {

			unregister_wlandev(wlandev);

			hfa384x_destroy(hw);

			printk(KERN_ERR

			       "%s: hfa384x_corereset() failed.\n", dev_info);

			kfree(wlandev);

			kfree(hw);

			wlandev = NULL;

			return -ENODEV;

		}

	}

	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);

	return 0;

}

#else

#define prism2sta_suspend NULL

#define prism2sta_resume NULL

#endif /* CONFIG_PM */

static struct usb_driver prism2_usb_driver = {

	.name = "prism2_usb",

	.probe = prism2sta_probe_usb,

	.disconnect = prism2sta_disconnect_usb,

	.id_table = usb_prism_tbl,

	.suspend = prism2sta_suspend,

	.resume = prism2sta_resume,

	.reset_resume = prism2sta_resume,

	/* fops, minor? */

};