netdev - Re: [PATCH v2] dt-bindings: net: marvell,pp2: convert to json-schema

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Message-ID: <CAPv3WKcW+O_CYd2vY2xhTKojVobo=Bm5tdFdJ8w33FHximPTcA@mail.gmail.com>
Date:   Sun, 2 Oct 2022 12:23:27 +0200
From:   Marcin Wojtas <mw@...ihalf.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Michał Grzelak <mig@...ihalf.com>,
        davem@...emloft.net, devicetree@...r.kernel.org,
        edumazet@...gle.com, krzysztof.kozlowski+dt@...aro.org,
        kuba@...nel.org, linux-kernel@...r.kernel.org,
        linux@...linux.org.uk, netdev@...r.kernel.org, pabeni@...hat.com,
        robh+dt@...nel.org, upstream@...ihalf.com
Subject: Re: [PATCH v2] dt-bindings: net: marvell,pp2: convert to json-schema

niedz., 2 paź 2022 o 10:00 Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> napisał(a):
>
> On 01/10/2022 17:53, Michał Grzelak wrote:
> > Hi Krzysztof,
> >
> > Thanks for your comments and time spent on reviewing my patch.
> > All of those improvements will be included in next version.
> > Also, I would like to know your opinion about one.
> >
> >>> +
> >>> +  marvell,system-controller:
> >>> +    $ref: /schemas/types.yaml#/definitions/phandle
> >>> +    description: a phandle to the system controller.
> >>> +
> >>> +patternProperties:
> >>> +  '^eth[0-9a-f]*(@.*)?$':
> >>
> >> The name should be "(ethernet-)?port", unless anything depends on
> >> particular naming?
> >
> > What do you think about pattern "^(ethernet-)?eth[0-9a-f]+(@.*)?$"?
> > It resembles pattern found in net/ethernet-phy.yaml like
> > properties:$nodename:pattern:"^ethernet-phy(@[a-f0-9]+)?$", while
> > still passing `dt_binding_check' and `dtbs_check'. It should also
> > comply with your comment.
>
> Node names like ethernet-eth do not make much sense because they contain
> redundant ethernet or eth. AFAIK, all other bindings like that call
> these ethernet-ports (or sometimes shorter - ports). Unless this device
> is different than all others?
>

IMO "^(ethernet-)?port@[0-9]+$" for the subnodes' names could be fine
(as long as we don't have to modify the existing .dtsi files) - there
is no dependency in the driver code on that.

Best regards,
Marcin