usb_enable_usb2_hardware_lpm
usb_enable_usb2_hardware_lpm(udev);
usb_enable_usb2_hardware_lpm(udev);
usb_enable_usb2_hardware_lpm(udev);
usb_enable_usb2_hardware_lpm(udev);
ret = usb_enable_usb2_hardware_lpm(udev);
extern int usb_enable_usb2_hardware_lpm(struct usb_device *udev);