Commit 557d5dc8 authored by Heiner Kallweit's avatar Heiner Kallweit Committed by Jakub Kicinski
Browse files

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: default avatarJoakim Zhang <qiangqing.zhang@nxp.com>
Tested-by: default avatarJoakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent fba863b8

drivers/net/ethernet/freescale/fec_main.c

+3 −0
Original line number Diff line number Diff line
@@ -2048,6 +2048,8 @@ static int fec_enet_mii_probe(struct net_device *ndev) 
	fep->link = 0;

	fep->full_duplex = 0;



	phy_dev->mac_managed_pm = 1;



	phy_attached_info(phy_dev);



	return 0;
@@ -3864,6 +3866,7 @@ static int __maybe_unused fec_resume(struct device *dev) 
		netif_device_attach(ndev);

		netif_tx_unlock_bh(ndev);

		napi_enable(&fep->napi);

		phy_init_hw(ndev->phydev);

		phy_start(ndev->phydev);

	}

	rtnl_unlock();