void usb_unlocked_enable_lpm(struct usb_device *udev)
{
	struct usb_hcd *hcd = bus_to_hcd(udev->bus);

	if (!hcd)
		return;

	mutex_lock(hcd->bandwidth_mutex);
	usb_enable_lpm(udev);
	mutex_unlock(hcd->bandwidth_mutex);
}

Unknown