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

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Date:   Fri, 23 Sep 2022 09:48:28 +0800
From:   Jianguo Zhang <jianguo.zhang@...iatek.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "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

Dear Krzysztof,

	Thanks for your comment.

On Thu, 2022-09-22 at 17:07 +0200, Krzysztof Kozlowski wrote:
> 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.
> 
We will rename the property 'clk_csr' as 'snps,clk-csr' and update DTS
& driver to align with the new name in next versions patches.
> Best regards,
> Krzysztof
> 
BRS
Jianguo