> +void phy_device_set_miits(struct phy_device *phydev, > + struct mii_timestamper *mii_ts) > +{ > + if (!phydev) > + return; > + > + if (phydev->mii_ts) { > + phydev_dbg(phydev, > + "MII timestamper already set -> skip set\n"); > + return; > + } > + > + phydev->mii_ts = mii_ts; > +} We tend to be less paranoid. Few, if any, other functions test that phydev is not NULL. And the current code allows overwriting of an existing stamper. If you think overwriting should not be allowed return -EINVAL, and change all the callers to test for it. > +EXPORT_SYMBOL(phy_device_set_miits); _GPL please. The code is a bit inconsistent, but new symbols should be EXPORT_SYMBOL_GPL. I do however like this patch, hiding away the internals of phydev. Andrew