From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Lunn <andrew@lunn.ch>
Subject: Re: Regression: v4.20-rc4: "SMSC LAN8710/LAN8720: Master/Slave
 resolution failed"
Date: Thu, 29 Nov 2018 17:39:36 +0100
Message-ID: <20181129163936.GE1501@lunn.ch>
References: <20181129144206.GK9807@w540>
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Cc: f.fainelli@gmail.com, davem@davemloft.net, shawnguo@kernel.org,
        s.hauer@pengutronix.de, fabio.estevam@nxp.com,
        netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
To: jacopo mondi <jacopo@jmondi.org>
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On Thu, Nov 29, 2018 at 03:42:06PM +0100, jacopo mondi wrote:
> Hello,
>    netdev people,
>    i.MX6 people,
> 
>    I'm running an i.MX6Q system, and since v4.20-rc1 the ethernet PHY
> fails to properly startup, preventing me from mounting my NFS rootfs
> (the interfaces gets configured after some minutes, but it's too late
> for NFS).
> 
> The complete boot log:
> 
> [    3.000186] SMSC LAN8710/LAN8720 2188000.ethernet-1:00: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=2188000.ethernet-1:00, irq=POLL)
> [    3.015616] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> [    4.090582] SMSC LAN8710/LAN8720 2188000.ethernet-1:00: Master/Slave resolution failed, maybe conflicting manual settings?

Thanks for reporting this.

I made some changes in link mode handling. Let me check the code i modified.

  Andrew