linux-kernel - Re: [PATCH 1/3] dt-bindings: clock: qcom: Update SM8150 videocc bindings

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Date: Thu, 14 Mar 2024 14:43:09 +0530
From: "Satya Priya Kakitapalli (Temp)" <quic_skakitap@...cinc.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette
	<mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
CC: Ajit Pandey <quic_ajipan@...cinc.com>,
        Imran Shaik
	<quic_imrashai@...cinc.com>,
        Taniya Das <quic_tdas@...cinc.com>,
        "Jagadeesh
 Kona" <quic_jkona@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>
Subject: Re: [PATCH 1/3] dt-bindings: clock: qcom: Update SM8150 videocc
 bindings


On 3/13/2024 10:21 PM, Krzysztof Kozlowski wrote:
> On 13/03/2024 12:08, Satya Priya Kakitapalli wrote:
>> Update the videocc device tree bindings for sm8150 to align with the
>> latest convention.
> Everything is an update. Please explain what you did and why. The "why"
> part you tried to cover but I just don't understand what is "align with
> the latest convention". What convention?


As per the recent upstream discussions, it is recommended to use 
index-based lookup instead of using clock names. The current bindings is 
not aligned with this, hence updating. I'll add the details to commit text.


>> Fixes: 35d26e9292e2 ("dt-bindings: clock: Add YAML schemas for the QCOM VIDEOCC clock bindings")
> What is the bug being fixed here?


There are 2 clocks required for this, AHB and XO. Only one clock is 
mentioned in the bindings for SM8150, this is one of the reasons to move 
to latest sm8450 bindings apart from clock names. Hence added a Fixes tag.


>> Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
>> ---
>>   Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml | 1 +
>>   Documentation/devicetree/bindings/clock/qcom,videocc.yaml        | 3 ---
>>   2 files changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml
>> index bad8f019a8d3..e00fdc8ceaa4 100644
>> --- a/Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml
>> +++ b/Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml
>> @@ -20,6 +20,7 @@ properties:
>>       enum:
>>         - qcom,sm8450-videocc
>>         - qcom,sm8550-videocc
>> +      - qcom,sm8150-videocc
> Wrong order. Look at the place from where you copied it.


Sure, will correct it.


> Best regards,
> Krzysztof
>