linux-kernel - Re: [PATCH 04/10] dt-bindings: memory: mt7621: add syscon as compatible string

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Message-ID: <44045164-692d-c8f5-3216-b043fb821634@arinc9.com>
Date:   Wed, 14 Sep 2022 18:18:58 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        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>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Sergio Paracuellos <sergio.paracuellos@...il.com>,
        erkin.bozoglu@...ont.com, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org
Subject: Re: [PATCH 04/10] dt-bindings: memory: mt7621: add syscon as
 compatible string

On 14.09.2022 18:14, Rob Herring wrote:
> On Wed, Sep 14, 2022 at 11:54:45AM +0300, Arınç ÜNAL wrote:
>> Add syscon as a constant string on the compatible property as it's required
>> for the SoC to work. Update the example accordingly.
> 
> It's not required. It's required to automagically create a regmap. That
> can be done yourself as well. The downside to adding 'syscon' is it
> requires a DT update. Maybe that's fine for this platform? I don't know.

My GB-PC2 won't boot without syscon on mt7621.dtsi. This string was 
always there on the memory controller node on mt7621.dtsi.

Arınç