linux-kernel - Re: [PATCH v2 1/3] dt-bindings: media: camss: qcom,msm8996-camss: Add CAMSS power domain

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Message-Id: <VKZAVR.M3FJVE7XKKY71@gmail.com>
Date:   Sat, 27 May 2023 09:05:19 +0300
From:   Yassine Oudjana <yassine.oudjana@...il.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Conor Dooley <conor@...nel.org>,
        Robert Foss <rfoss@...nel.org>,
        Todor Tomov <todor.too@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hans Verkuil <hansverk@...co.com>,
        Yassine Oudjana <y.oudjana@...tonmail.com>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] dt-bindings: media: camss: qcom,msm8996-camss: Add
 CAMSS power domain


On Fri, May 26 2023 at 10:36:32 PM +02:00:00, Konrad Dybcio 
<konrad.dybcio@...aro.org> wrote:
> 
> 
> On 26.05.2023 22:21, Bryan O'Donoghue wrote:
>>  On 26/05/2023 21:19, Conor Dooley wrote:
>>>  On Fri, May 26, 2023 at 09:05:47PM +0100, Bryan O'Donoghue wrote:
>>>>  On 26/05/2023 20:46, Conor Dooley wrote:
>>>>>>  +  - power-domain-names
>>>>>  Why is this now required?
>>>>> 
>>>>>  Thanks,
>>>>>  Conor.
>>>>> 
>>>> 
>>>>  Its an accurate description of the power/clock tree to have the 
>>>> top power
>>>>  domain be switched on prior to the clocks that depend on it.
>>> 
>>>  But what does that have to do with the *names* now being required?
>> 
>>  oh the names
>> 
>>  no toss that
> this should be
> 
> if:properties:compatible:blahblahmsm8996:then:required:power-domain-names

The only compatible in this binding is qcom,msm8996-camss, so what 
would this achieve?

> 
> Konrad
>> 
>>> 
>>>>  I think Yassine, you could probably include the majority of your
>>>>  cover-letter text in this commit to explain this change a bit 
>>>> better.
>>> 
>>>  I think it would be good to have that regardless.
>>> 
>>>  Cheers,
>>>  Conor.
>>> 
>>>>  bod
>>>     ^^^ I've been trying not to think about rugby since the weekend 
>>> :(
>> 
>>  Pockets O'Gara should have his paddy papers rescinded