netdev - Re: [resend PATCH v4 2/2] dt-bindings: net: snps,dwmac: add clk

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Message-ID: <04b9e5ef-f3c7-3400-f9df-2f585a084c5d@linaro.org>
Date:   Thu, 22 Sep 2022 17:07:32 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Jianguo Zhang <jianguo.zhang@...iatek.com>,
        "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Biao Huang <biao.huang@...iatek.com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Christophe Roullier <christophe.roullier@...com>
Subject: Re: [resend PATCH v4 2/2] dt-bindings: net: snps,dwmac: add clk_csr
 property

On 22/09/2022 11:27, Jianguo Zhang wrote:
> The clk_csr property is parsed in driver for generating MDC clock
> with correct frequency. A warning('clk_csr' was unexpeted) is reported
> when runing 'make_dtbs_check' because the clk_csr property
> has been not documented in the binding file.
> 

You did not describe the case, but apparently this came with
81311c03ab4d ("net: ethernet: stmmac: add management of clk_csr
property") which never brought the bindings change.

Therefore the property was never part of bindings documentation and
bringing them via driver is not the correct process. It bypasses the
review and such bypass cannot be an argument to bring the property to
bindings. It's not how new properties can be added.

Therefore I don't agree. Please make it a property matching bindings, so
vendor prefix, no underscores in node names.

Driver and DTS need updates.

Best regards,
Krzysztof