linux-kernel - Re: [PATCH v4 4/6] dt-bindings: net: dsa: mediatek,mt7530: define port binding per switch

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Date:   Tue, 23 Aug 2022 15:29:27 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        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>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Luiz Angelo Daros de Luca <luizluca@...il.com>,
        Sander Vanheule <sander@...nheule.net>,
        René van Dorst <opensource@...rst.com>,
        Daniel Golle <daniel@...rotopia.org>, erkin.bozoglu@...ont.com,
        Sergio Paracuellos <sergio.paracuellos@...il.com>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 4/6] dt-bindings: net: dsa: mediatek,mt7530: define
 port binding per switch



On 23.08.2022 13:47, Krzysztof Kozlowski wrote:
> On 20/08/2022 11:07, Arınç ÜNAL wrote:
>> Define DSA port binding per switch model as each switch model requires
>> different values for certain properties.
>>
>> Define reg property on $defs as it's the same for all switch models.
>>
>> Remove unnecessary lines as they are already included from the referred
>> dsa.yaml.
>>
>> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
>> ---
>>   .../bindings/net/dsa/mediatek,mt7530.yaml     | 56 +++++++++++--------
>>   1 file changed, 34 insertions(+), 22 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> index 657e162a1c01..7c4374e16f96 100644
>> --- a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> +++ b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> @@ -130,38 +130,47 @@ properties:
>>         ethsys.
>>       maxItems: 1
>>   
>> -patternProperties:
>> -  "^(ethernet-)?ports$":
>> -    type: object
>> -
>> -    patternProperties:
>> -      "^(ethernet-)?port@[0-9]+$":
>> -        type: object
>> -        description: Ethernet switch ports
> 
> Again, I don't understand why do you remove definitions of these nodes
> from top-level properties. I explained what I expect in previous
> discussion and I am confused to hear "this cannot be done".

I agree it can be done, but the binding is done with less lines the 
current way.

I would need to add more lines than just for creating the node structure 
since dsa.yaml is not referred.

Then, I would have to create the node structure again for the dsa-port 
checks.

Arınç