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Message-ID: <19e45248-5fff-d806-81f2-feea56d7778d@quicinc.com>
Date:   Tue, 15 Aug 2023 10:20:34 +0800
From:   Fenglin Wu <quic_fenglinw@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <robh+dt@...nel.org>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <dmitry.baryshkov@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        <linux-input@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     <quic_collinsd@...cinc.com>, <quic_subbaram@...cinc.com>,
        <quic_kamalw@...cinc.com>, <jestar@....qualcomm.com>
Subject: Re: [PATCH v4 2/3] dt-bindings: input: qcom,pm8xxx-vib: add new SPMI
 vibrator module



On 8/14/2023 6:06 PM, Krzysztof Kozlowski wrote:
> On 31/07/2023 07:37, Fenglin Wu wrote:
>> Add compatible string 'qcom,spmi-vib-gen2' to support vibrator module
>> inside PMI632, PMI7250B, PM7325B, PM7550BA.
>>
>> Signed-off-by: Fenglin Wu <quic_fenglinw@...cinc.com>
>> ---
>>   .../bindings/input/qcom,pm8xxx-vib.yaml          | 16 ++++++++++++----
>>   1 file changed, 12 insertions(+), 4 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/input/qcom,pm8xxx-vib.yaml b/Documentation/devicetree/bindings/input/qcom,pm8xxx-vib.yaml
>> index c8832cd0d7da..4a2319fc1e3f 100644
>> --- a/Documentation/devicetree/bindings/input/qcom,pm8xxx-vib.yaml
>> +++ b/Documentation/devicetree/bindings/input/qcom,pm8xxx-vib.yaml
>> @@ -11,10 +11,18 @@ maintainers:
>>   
>>   properties:
>>     compatible:
>> -    enum:
>> -      - qcom,pm8058-vib
>> -      - qcom,pm8916-vib
>> -      - qcom,pm8921-vib
>> +    oneOf:
>> +      - enum:
>> +          - qcom,pm8058-vib
>> +          - qcom,pm8916-vib
>> +          - qcom,pm8921-vib
>> +      - items:
>> +          - enum:
>> +              - qcom,pmi632-vib
>> +              - qcom,pm7250b-vib
>> +              - qcom,pm7325b-vib
>> +              - qcom,pm7550b-vib
>> +          - const: qcom,spmi-vib-gen2
> 
> This does not seem to implement my comment:
> 
> "Entirely remove qcom,spmi-vib-gen2 and
> qcom,spmi-vib-gen1.
> 
> Use device specific compatibles names only. As fallback and as first
> compatible."
> 
> It's nice to respond that you disagree with it. Therefore, I am not
> going to Ack it.

I saw your comments and I replied your later comments in v2: 
https://lore.kernel.org/linux-arm-msm/b5e58172-beb5-0be3-834f-3f1db3e8b3b3@quicinc.com/. 
It might not be a good place to follow the discussion though, I am 
pasting my last reply below:

'Sorry, I forgot to mention, in v3, I added the 'reg' value to the
register offset and no longer hard code the 16-bit register address,
that makes the vibrators inside PMI632/PM7250B/PM7325B/PM7550BA all
compatible, and that was another motivation of adding a generic
compatible string and make the others as the fallback.

This will be still the case in v4, I might keep it similar in v3 but
just drop "qcom,spmi-vib-gen1" '

Anyway, if this is still not a good reason to add a generic compatible 
string, I can revert it back to use device specific compatible string 
only in next patch.

Thanks

> 
> Best regards,
> Krzysztof
> 

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