linux-kernel - Re: [PATCH v1 3/8] dt-bindings: thermal: Add qcom,qmi-cooling yaml bindings

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Message-ID: <78ff2456-adb0-4368-9654-79e01e7157ce@kernel.org>
Date: Wed, 31 Dec 2025 08:35:39 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Gaurav Kohli <gaurav.kohli@....qualcomm.com>, andersson@...nel.org,
 mathieu.poirier@...aro.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, rafael@...nel.org, daniel.lezcano@...aro.org,
 rui.zhang@...el.com, lukasz.luba@....com, konradybcio@...nel.org,
 amitk@...nel.org, mani@...nel.org, casey.connolly@...aro.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v1 3/8] dt-bindings: thermal: Add qcom,qmi-cooling yaml
 bindings

On 31/12/2025 07:42, Gaurav Kohli wrote:
> 
> On 12/24/2025 3:54 PM, Krzysztof Kozlowski wrote:
>> On 24/12/2025 11:08, Gaurav Kohli wrote:
>>> On 12/24/2025 2:27 PM, Krzysztof Kozlowski wrote:
>>>> On 23/12/2025 13:32, Gaurav Kohli wrote:
>>>>> The cooling subnode of a remoteproc represents a client of the Thermal
>>>>> Mitigation Device QMI service running on it. Each subnode of the cooling
>>>>> node represents a single control exposed by the service.
>>>>>
>>>>> Add maintainer name also and update this binding for cdsp substem.
>>>>>
>>>>> Co-developed-by: Casey Connolly <casey.connolly@...aro.org>
>>>>> Signed-off-by: Gaurav Kohli <gaurav.kohli@....qualcomm.com>
>>>>> Signed-off-by: Casey Connolly <casey.connolly@...aro.org>
>>>>> ---
>>>>>    .../bindings/remoteproc/qcom,pas-common.yaml  |  6 ++
>>>>>    .../bindings/thermal/qcom,qmi-cooling.yaml    | 99 +++++++++++++++++++
>>>>>    2 files changed, 105 insertions(+)
>>>>>    create mode 100644 Documentation/devicetree/bindings/thermal/qcom,qmi-cooling.yaml
>>>>>
>>>>> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,pas-common.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,pas-common.yaml
>>>>> index 63a82e7a8bf8..bbc82253f76b 100644
>>>>> --- a/Documentation/devicetree/bindings/remoteproc/qcom,pas-common.yaml
>>>>> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,pas-common.yaml
>>>>> @@ -77,6 +77,12 @@ properties:
>>>>>          and devices related to the ADSP.
>>>>>        unevaluatedProperties: false
>>>>>    
>>>>> +  cooling:
>>>>> +    $ref: /schemas/thermal/qcom,qmi-cooling.yaml#
>>>>> +    description:
>>>>> +      Cooling subnode which represents the cooling devices exposed by the Modem.
>>>>> +    unevaluatedProperties: false
>>>>> +
>>>>>    required:
>>>>>      - clocks
>>>>>      - clock-names
>>>>> diff --git a/Documentation/devicetree/bindings/thermal/qcom,qmi-cooling.yaml b/Documentation/devicetree/bindings/thermal/qcom,qmi-cooling.yaml
>>>>> new file mode 100644
>>>>> index 000000000000..90b46712d241
>>>>> --- /dev/null
>>>>> +++ b/Documentation/devicetree/bindings/thermal/qcom,qmi-cooling.yaml
>>>>> @@ -0,0 +1,99 @@
>>>>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>>>>> +# Copyright 2023 (c), Linaro Limited
>>>>> +
>>>>> +%YAML 1.2
>>>>> +---
>>>>> +$id: http://devicetree.org/schemas/thermal/qcom,qmi-cooling.yaml#
>>>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>>>> +
>>>>> +title: Qualcomm QMI based thermal mitigation (TMD) cooling devices.
>>>>> +
>>>>> +maintainers:
>>>>> +  - Caleb Connolly <caleb.connolly@...aro.org>
>>>>> +  - Gaurav Kohli <gaurav.kohli@....qualcomm.com>
>>>>> +
>>>>> +description:
>>>>> +  Qualcomm QMI-based TMD cooling devices are used to mitigate thermal conditions
>>>>> +  across multiple remote subsystems. These devices operate based on junction temperature
>>>>> +  sensors (TSENS) associated with thermal zones for each subsystem.
>>>>> +
>>>>> +  Each subnode corresponds to a control interface for a single instance of the TMD
>>>>> +  service running on a remote subsystem.
>>>>> +
>>>>> +definitions:
>>>> defs, look at other code
>>>>
>>>>
>>>>> +  tmd:
>>>>> +    type: object
>>>>> +    description: |
>>>>> +      A single Thermal Mitigation Device exposed by a remote subsystem.
>>>> Missing proper formatting. Please do not send us code written by LLM.
>>>
>>> This patch is based on older series
>>>
>>> https://lore.kernel.org/linux-devicetree/20230905-caleb-qmi_cooling-v1-0-5aa39d4164a7@linaro.org/, did some manual changes to remove unusable code.
>> How? This is v1, not v2. How did you address other comments? Where did
>> you provide proper changelog? Why this is not correctly versioned/
>>
>>> let me fix the formatting. This is not generated code.
>> I do not believe, because this:
>>
>>
>>>>> +      phandle: true
> 
> 
> As i have mentioned in earlier reply, we are including below series:
> 
> https://lore.kernel.org/linux-devicetree/20230905-caleb-qmi_cooling-v1-0-5aa39d4164a7@linaro.org/,) 
> as this is client for remote proc cooling.
> I was seeing this error while using older yam files.
> 
> ('cdsp_sw' was unexpected)

cdsp_sw, not phandle.

> 
> from schema qcom,qmi-cooling.yaml
> 
> So to avoid that, i have added phandle to avoid this error. will fix 


Why? AGAIN: SUCH CODE DOES NOT EXIST. Why do you introduce code
completely different than everything else?


Best regards,
Krzysztof