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From: Florian Fainelli <f.fainelli@gmail.com>
To: Marc Kleine-Budde <mkl@pengutronix.de>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	ptx kernel <kernel@pengutronix.de>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Andrew Lunn <andrew@lunn.ch>
Subject: Re: BUG: "13d0ab6750b2 net: phy: check return code when requesting PHY driver module" breaks NFS-Root
Date: Mon, 11 Mar 2019 11:11:11 -0700	[thread overview]
Message-ID: <39ce904c-91cd-e651-fe21-b13056e67ff8@gmail.com> (raw)
In-Reply-To: <9cd47d80-9e84-c72b-ae7f-e38934580390@pengutronix.de>

On 3/11/19 11:04 AM, Marc Kleine-Budde wrote:
> On 3/11/19 1:23 PM, Marc Kleine-Budde wrote:
>> Hello,
>>
>> I'm on next-next/master and noticed that the following patch:
>>
>> | 13d0ab6750b2 net: phy: check return code when requesting PHY
>> |              driver module
>>
>> breaks NFS Root for my embedded device (riotboard). The kernel dhcp
>> fails to get an address and thus no NFS Root.
> 
> Just noticed that problem was fixed by commit:
> 
> | 21e194425abd net: phy: fix issue with loading PHY driver w/o initramfs
> 
> I continued bisecting and found a bad commit in the riotboard's phy
> driver. I'll send a separate mail for this.
> 
> | cd28d1d6e52e net: phy: at803x: Disable phy delay for RGMII mode

If your problem is with this driver, keep in mind that the at803x PHY
driver incorrectly acted on the 'phy-mode'/phy_interface_t type and you
may need DTS changes to be conforming. Of course, there is no way to
programmatically detect any of that, which adds to the fun.
-- 
Florian

  reply	other threads:[~2019-03-11 18:11 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-11 12:23 BUG: "13d0ab6750b2 net: phy: check return code when requesting PHY driver module" breaks NFS-Root Marc Kleine-Budde
2019-03-11 18:04 ` Marc Kleine-Budde
2019-03-11 18:11   ` Florian Fainelli [this message]
2019-03-12  8:02     ` Marc Kleine-Budde

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