net: fec: use mac-managed PHY PM
Use the new mac_managed_pm flag to work around an issue with KSZ8081 PHY that becomes unstable when a soft reset is triggered during aneg. Reported-by: Joakim Zhang <qiangqing.zhang@nxp.com> Tested-by: Joakim Zhang <qiangqing.zhang@nxp.com> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -2048,6 +2048,8 @@ static int fec_enet_mii_probe(struct net_device *ndev)
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fep->link = 0;
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fep->full_duplex = 0;
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phy_dev->mac_managed_pm = 1;
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phy_attached_info(phy_dev);
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return 0;
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@ -3864,6 +3866,7 @@ static int __maybe_unused fec_resume(struct device *dev)
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netif_device_attach(ndev);
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netif_tx_unlock_bh(ndev);
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napi_enable(&fep->napi);
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phy_init_hw(ndev->phydev);
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phy_start(ndev->phydev);
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}
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rtnl_unlock();
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