linux-kernel - Re: [PATCH V2 01/15] dt-bindings: cpufreq: mediatek: Add MediaTek CCI property

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Date:   Fri, 8 Apr 2022 13:49:00 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rex-BC Chen <rex-bc.chen@...iatek.com>, rafael@...nel.org,
        viresh.kumar@...aro.org, robh+dt@...nel.org, krzk+dt@...nel.org
Cc:     matthias.bgg@...il.com, jia-wei.chang@...iatek.com,
        roger.lu@...iatek.com, hsinyi@...gle.com, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH V2 01/15] dt-bindings: cpufreq: mediatek: Add MediaTek CCI
 property

On 08/04/2022 12:24, Rex-BC Chen wrote:
>>
>> You need to describe the type. I am a bit confused whether this is a
>> cci
>> (so cci-control-port property?) or an interconnect (so interconnect
>> property)... It does not look like a generic property, so you need
>> vendor prefix.
> 
> Hello Krzysztof,
> 
> Thanks for your review.
> 
> Yes, this cci is not arm's cci (cci-control-port property), and it's
> mediatek's cci. I will revise this name to "mtk-cci" in next version.

Vendor is "mediatek" and comma comes after it. See devicetree spec
paragraph 2.3.1.

> 
>>
>>> +       For details, please refer to
>>> +       Documentation/devicetree/bindings/devfreq/mtk-cci.yaml
>>
>> Such file does not exist.
> 
> This mediatek cci is still upstreaming in this patch:
> message-id:20220408052150.22536-2-johnson.wang@...iatek.com
> 
> Do you have suggestion that I should put this reference?

> Or I just remove it and describe the mediatek cci in detail?

It's ok, but you need to keep path/filename updated.


Best regards,
Krzysztof