phy_check_valid
if (!phy_check_valid(speed, duplex, phydev->supported))
return phy_check_valid(phydev->speed, phydev->duplex, common);
EXPORT_SYMBOL(phy_check_valid);
eee->eee_active = phy_check_valid(tp->speed, tp->duplex, common);
eee->eee_active = phy_check_valid(tp->speed, tp->duplex, common);
bool phy_check_valid(int speed, int duplex, unsigned long *features);