ethtool_phy_get_ts_info_by_phc
phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc);
ethtool_phy_get_ts_info_by_phc(struct net_device *dev,
phy = ethtool_phy_get_ts_info_by_phc(dev, &ts_info, hwprov_desc);