linux-kernel - Re: [PATCH v4 1/2] media: dt-bindings: mediatek: Rename child node names for decoder

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Date:   Wed, 5 Oct 2022 09:30:58 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Allen-KH Cheng (程冠勳) 
        <Allen-KH.Cheng@...iatek.com>, "robh@...nel.org" <robh@...nel.org>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>
Subject: Re: [PATCH v4 1/2] media: dt-bindings: mediatek: Rename child node
 names for decoder

On 05/10/2022 09:21, Allen-KH Cheng (程冠勳) wrote:
> Hi Rob,
> 
> On Fri, 2022-09-30 at 17:00 -0500, Rob Herring wrote:
>> On Fri, Sep 30, 2022 at 07:22:36PM +0800, Allen-KH Cheng wrote:
>>> In order to make the names of the child nodes more generic, we
>>> rename
>>> "vcodec" to "video-codec" for decoder in patternProperties and
>>> example.
>>
>> They are either generic or they aren't. Until something generic is 
>> defined, I don't think it's worth the churn to change.
>>
>>
>>> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>
>>> Reviewed-by: AngeloGioacchino Del Regno <
>>> angelogioacchino.delregno@...labora.com>
>>> ---
>>>  .../bindings/media/mediatek,vcodec-subdev-decoder.yaml    | 8
>>> ++++----
>>>  1 file changed, 4 insertions(+), 4 deletions(-)
>>>
>>> diff --git
>>> a/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-
>>> decoder.yaml
>>> b/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-
>>> decoder.yaml
>>> index c4f20acdc1f8..67fde48f991c 100644
>>> --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-
>>> subdev-decoder.yaml
>>> +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-
>>> subdev-decoder.yaml
>>> @@ -91,7 +91,7 @@ properties:
>>>  
>>>  # Required child node:
>>>  patternProperties:
>>> -  '^vcodec-lat@[0-9a-f]+$':
>>> +  '^video-codec-lat@[0-9a-f]+$':
>>
>> Just 'video-codec' doesn't work?
>>
> 
> Thanks for your reply.
> 
> hmm, I think 'vidoe-codec' does wrok.
> 
> There are two seperate hardwares for the MTK video codec.
> codec-lat and codec-core.
> 
> Is it ok to keep two child node names for various hardwares?
> 

Aren't they still codecs?

Best regards,
Krzysztof