linux-kernel - Re: [PATCH net v4 3/7] net: dsa: mt7530: fix trapping frames on non-MT7621 SoC MT7530 switch

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Date:   Tue, 13 Jun 2023 20:20:54 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     Daniel Golle <daniel@...rotopia.org>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...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>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
        mithat.guner@...ont.com, erkin.bozoglu@...ont.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net v4 3/7] net: dsa: mt7530: fix trapping frames on
 non-MT7621 SoC MT7530 switch

On 13.06.2023 00:14, Russell King (Oracle) wrote:
> On Mon, Jun 12, 2023 at 10:59:41AM +0300, arinc9.unal@...il.com wrote:
>> From: Arınç ÜNAL <arinc.unal@...nc9.com>
>>
>> The check for setting the CPU_PORT bits must include the non-MT7621 SoC
>> MT7530 switch variants to trap frames. Expand the check to include them.
> 
> ... and now you add support for this to the MT7530, which is what
> alerted me to what seems to be a mistake in the previous patch.
> 
> "The setup of CPU_PORT() needs to be done for the MT7530 switch variants
> as well as the MT7621."

No. ID_MT7621 represents the multi-chip module MT7530 switch in certain 
MT7621 SoCs. So saying "the MT7530 switch variants" already covers the 
switch on the MT7621 SoCs.

Arınç