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Message-ID: <156f4705-ca1a-f82e-9282-534a22183f37@linaro.org>
Date:   Tue, 19 Sep 2023 14:56:43 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sricharan Ramabadhran <quic_srichara@...cinc.com>,
        agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        srinivas.kandagatla@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        thara.gopinath@...il.com, rafael@...nel.org,
        daniel.lezcano@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, dmitry.baryshkov@...aro.org
Subject: Re: [PATCH V2 1/4] dt-bindings: thermal: qcom-tsens: Add ipq5018
 compatible

On 19/09/2023 14:48, Sricharan Ramabadhran wrote:
> 
> 
> On 9/19/2023 6:02 PM, Krzysztof Kozlowski wrote:
>> On 19/09/2023 09:22, Sricharan Ramabadhran wrote:
>>>
>>>
>>> On 9/15/2023 6:15 PM, Krzysztof Kozlowski wrote:
>>>> On 15/09/2023 14:43, Krzysztof Kozlowski wrote:
>>>>> On 15/09/2023 14:15, Sricharan Ramabadhran wrote:
>>>>>> IPQ5018 has tsens v1.0 block with 4 sensors and 1 interrupt.
>>>>>>
>>>>>> Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
>>>>>> ---
>>>>>>    [v2] Sorted the compatible and removed example
>>>>>>
>>>>>
>>>>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>>>
>>>> No, unreviewed. Your driver says it is not compatible with
>>>> qcom,tsens-v1. This does not look right :/
>>>>
>>>
>>>    Yes it is V1 IP, but since there is no RPM, to enable the IP/SENSORS
>>>    have to do those steps after calling init_common. Similar reason
>>>    added a new feat as well in patch #2 as well. Hence for this,
>>>    new compatible was required.
>>
>> I dud not write about new or old compatible ("compatible" as noun). I
>> wrote that it is not compatible ("compatible" as adjective) with v1.
>>
> 
>   Ho, in that case, yes it is not compatible with V1 init and features
>   because of 'no rpm'. So in that case, should this be documented
>   as a separate version of 'V1 without rpm' ?

It should not be mixed with regular v1, just as new entry there. I don't
think fallback is needed - just use SoC specific compatible.

Best regards,
Krzysztof

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