Re: [PATCH 1/2] dt-bindings: reset: convert the xlnx,zynqmp-reset.txt to yaml

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On 08/06/2023 12:55, Mehta, Piyush wrote:
> Hello,
> 
>> -----Original Message-----
>> From: Rob Herring <robh@xxxxxxxxxx>
>> Sent: Wednesday, June 7, 2023 1:06 PM
>> To: Mehta, Piyush <piyush.mehta@xxxxxxx>
>> Cc: p.zabel@xxxxxxxxxxxxxx; Paladugu, Siva Durga Prasad
>> <siva.durga.prasad.paladugu@xxxxxxx>; michal.simek@xxxxxxxxxx;
>> nava.manne@xxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
>> kernel@xxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; conor+dt@xxxxxxxxxx;
>> krzysztof.kozlowski+dt@xxxxxxxxxx; robh+dt@xxxxxxxxxx; Simek, Michal
>> <michal.simek@xxxxxxx>; git (AMD-Xilinx) <git@xxxxxxx>
>> Subject: Re: [PATCH 1/2] dt-bindings: reset: convert the xlnx,zynqmp-reset.txt
>> to yaml
>>
>>
>> On Wed, 07 Jun 2023 12:21:20 +0530, Piyush Mehta wrote:
>>> Convert the binding to DT schema format. It also updates the
>>> reset-controller description.
>>>
>>> Signed-off-by: Piyush Mehta <piyush.mehta@xxxxxxx>
>>> ---
>>> Note:
>>> The 1/2 patch introduced a warning related to the dt binding check,
>>> which was subsequently fixed in the 2/2 patch. This warning is a
>>> conversion warning due to a dependency on firmware dt binding.
>>>
>>> Warning:
>>>   DTC_CHK
>>> Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.example.dtb
>>>
>> /scratch/piyushm/torvalds/linux/Documentation/devicetree/bindings/reset/xln
>> x,zynqmp-reset.example.dtb: zynqmp-firmware: 'reset-controller' does not
>> match any of the regexes: 'pinctrl-[0-9]+'
>>> 	From schema:
>>> /scratch/piyushm/torvalds/linux/Documentation/devicetree/bindings/firm
>>> ware/xilinx/xlnx,zynqmp-firmware.yaml
>>>
>>> Please suggest to me, if it's fine to make a single patch instead of
>>> the separate patch 1/2 and 2/2.
>>> ---
>>>  .../bindings/reset/xlnx,zynqmp-reset.txt      | 55 ---------------
>>>  .../bindings/reset/xlnx,zynqmp-reset.yaml     | 67 +++++++++++++++++++
>>>  2 files changed, 67 insertions(+), 55 deletions(-)  delete mode
>>> 100644 Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt
>>>  create mode 100644
>>> Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml
>>>
>>
>> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
>> on your patch (DT_CHECKER_FLAGS is new in v5.13):
>>
>> yamllint warnings/errors:
>>
>> dtschema/dtc warnings/errors:
>> /builds/robherring/dt-review-
>> ci/linux/Documentation/devicetree/bindings/reset/xlnx,zynqmp-
>> reset.example.dtb: zynqmp-firmware: 'reset-controller' does not match any of
>> the regexes: 'pinctrl-[0-9]+'
>> 	From schema: /builds/robherring/dt-review-
>> ci/linux/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-
>> firmware.yaml
>>
>> doc reference errors (make refcheckdocs):
>>
>> See https://patchwork.ozlabs.org/project/devicetree-
>> bindings/patch/20230607065121.2265076-2-piyush.mehta@xxxxxxx
>>
>> The base for the series is generally the latest rc1. A different dependency
>> should be noted in *this* patch.
>>
>> If you already ran 'make dt_binding_check' and didn't see the above error(s),
>> then make sure 'yamllint' is installed and dt-schema is up to
>> date:
>>
>> pip3 install dtschema --upgrade
>>
>> Please check and re-submit after running the above command yourself. Note
>> that DT_SCHEMA_FILES can be set to your schema file to speed up checking
>> your schema. However, it must be unset to test all examples with your schema.
> 
> This dt_binding warning is known to us and is captured in commit description notes and to resolve it, we need to apply 2/2.

So your patchset has broken bisectability. You need to fix it. If the
warning was known, then I am surprised that you sent broken patchset.

> I want to take DT maintainer opinion if we should keep the fix in 2/2 or merge it in 1/2.

Just avoid the warning. Anyway you need only one complete example, right?

Best regards,
Krzysztof




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