net: phy: prevent PHYs w/o Clause 22 regs from calling genphy_config_aneg
genphy_config_aneg() should be called only by PHYs that implement the Clause 22 register set. Prevent Clause 45 PHYs that don't implement the register set from calling the genphy function. Signed-off-by: Camelia Groza <camelia.groza@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -471,8 +471,14 @@ static int phy_config_aneg(struct phy_device *phydev)
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{
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{
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if (phydev->drv->config_aneg)
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if (phydev->drv->config_aneg)
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return phydev->drv->config_aneg(phydev);
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return phydev->drv->config_aneg(phydev);
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else
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return genphy_config_aneg(phydev);
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/* Clause 45 PHYs that don't implement Clause 22 registers are not
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* allowed to call genphy_config_aneg()
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*/
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if (phydev->is_c45 && !(phydev->c45_ids.devices_in_package & BIT(0)))
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return -EOPNOTSUPP;
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return genphy_config_aneg(phydev);
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}
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}
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/**
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/**
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