diff options
| -rw-r--r-- | drivers/net/phy/phy.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 40f4c6a2ef6c..c232ee04754b 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -163,6 +163,12 @@ int phy_aneg_done(struct phy_device *phydev) if (phydev->drv && phydev->drv->aneg_done) return phydev->drv->aneg_done(phydev); + /* Avoid genphy_aneg_done() if the Clause 45 PHY does not + * implement Clause 22 registers + */ + if (phydev->is_c45 && !(phydev->c45_ids.devices_in_package & BIT(0))) + return -EINVAL; + return genphy_aneg_done(phydev); } EXPORT_SYMBOL(phy_aneg_done); |