linux-kernel - Re: [PATCH net-next 08/30] net: dsa: mt7530: change p{5,6}_interface to p{5,6}

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Date:   Sun, 4 Jun 2023 15:55:17 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     Arınç ÜNAL <arinc.unal@...nc9.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Daniel Golle <daniel@...rotopia.org>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Richard van Schagen <richard@...terhints.com>,
        Richard van Schagen <vschagen@...com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
        erkin.bozoglu@...ont.com, mithat.guner@...ont.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net-next 08/30] net: dsa: mt7530: change p{5,6}_interface
 to p{5,6}_configured

On Sun, Jun 04, 2023 at 01:18:04PM +0100, Russell King (Oracle) wrote:
> I don't remember whether Vladimir's firmware validator will fail for
> mt753x if CPU ports are not fully described, but that would be well
> worth checking. If it does, then we can be confident that phylink
> will always be used, and those bypassing calls should not be necessary.

It does, I've just retested this:

[    8.469152] mscc_felix 0000:00:00.5: OF node /soc/pcie@...000000/ethernet-switch@0,5/ports/port@4 of CPU port 4 lacks the required "phy-handle", "fixed-link" or "managed" properties
[    8.494571] mscc_felix 0000:00:00.5: error -EINVAL: Failed to register DSA switch
[    8.502151] mscc_felix: probe of 0000:00:00.5 failed with error -22