netdev - Re: realtek PHY commit bbc4d71d63549 causes regression

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Message-ID: <20201017144430.GI456889@lunn.ch>
Date:   Sat, 17 Oct 2020 16:44:30 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     "open list:BPF JIT for MIPS (32-BIT AND 64-BIT)" 
        <netdev@...r.kernel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Willy Liu <willy.liu@...ltek.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Sasha Levin <sashal@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Masahisa Kojima <masahisa.kojima@...aro.org>
Subject: Re: realtek PHY commit bbc4d71d63549 causes regression

On Sat, Oct 17, 2020 at 04:20:36PM +0200, Ard Biesheuvel wrote:
> Hello all,
> 
> I just upgraded my arm64 SynQuacer box to 5.8.16 and lost all network
> connectivity.

Hi Ard

Please could you point me at the DT files.

> This box has a on-SoC socionext 'netsec' network controller wired to
> a Realtek 80211e PHY, and this was working without problems until
> the following commit was merged

It could be this fix has uncovered a bug in the DT file. Before this
fix, if there is an phy-mode property in DT, it could of been ignored.
Now the phy-handle property is correctly implemented. So it could be
the DT has the wrong value, e.g. it has rgmii-rxid when maybe it
should have rgmii-id.

       Andrew