EVDEV_FLAG_EXT_EPOCH
if (bit_test(evdev->ev_flags, EVDEV_FLAG_EXT_EPOCH))
evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_EXT_EPOCH); /* hidbus child */
evdev_set_flag(hm->evdev, EVDEV_FLAG_EXT_EPOCH); /* hidbus child */
evdev_set_flag(evdev, EVDEV_FLAG_EXT_EPOCH); /* hidbus child */
evdev_set_flag(sc->evdev, EVDEV_FLAG_EXT_EPOCH); /* hidbus child */
evdev_set_flag(sc->evdev, EVDEV_FLAG_EXT_EPOCH); /* hidbus child */