pps_register_source
data->pps = pps_register_source(&data->info, pps_default_params);
pps = pps_register_source(&pps_ktimer_info,
pps = pps_register_source(&info, PPS_CAPTUREBOTH | \
device->pps = pps_register_source(&info,
EXPORT_SYMBOL(pps_register_source);
ptp->pps_source = pps_register_source(&pps, PTP_PPS_DEFAULTS);
extern struct pps_device *pps_register_source(