linux-kernel - Re: [PATCH v5 4/4] net: stmmac: Update the name of property 'clk

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Date:   Wed, 28 Sep 2022 15:40:00 +0800
From:   Jianguo Zhang <jianguo.zhang@...iatek.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "AngeloGioacchino Del Regno" 
        <angelogioacchino.delregno@...labora.com>,
        "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>
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>
Subject: Re: [PATCH v5 4/4] net: stmmac: Update the name of property
 'clk_csr'

Dear Krzysztof,

	Thanks for your comment.

On Wed, 2022-09-28 at 09:17 +0200, Krzysztof Kozlowski wrote:
> On 27/09/2022 12:44, AngeloGioacchino Del Regno wrote:
> 
> > > > OTOH, as Angelo pointed out, handling old and new properties is
> > > > quite
> > > > easy to achieve, so... :)
> > > > 
> > > 
> > > So, the conclusion is as following:
> > > 
> > > 1. add new property 'snps,clk-csr' and document it in binding
> > > file.
> > > 2. parse new property 'snps,clk-csr' firstly, if failed, fall
> > > back to
> > > old property 'clk_csr' in driver.
> > > 
> > > Is my understanding correct?
> > 
> > Yes, please.
> > 
> > I think that bindings should also get a 'clk_csr' with deprecated:
> > true,
> > but that's Krzysztof's call.
> 
> The property was never documented, so I think we can skip it as
> deprecated.
> 
We will send next version patches according to the conclusion.
> Best regards,
> Krzysztof
> 
BRS
Jianguo