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

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Message-ID: <b1c80077-7509-883d-cfd1-fb3c0b0449d6@amd.com>
Date:   Thu, 8 Jun 2023 13:34:44 +0200
From:   Michal Simek <michal.simek@....com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "Mehta, Piyush" <piyush.mehta@....com>,
        Rob Herring <robh@...nel.org>
Cc:     "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "Paladugu, Siva Durga Prasad" <siva.durga.prasad.paladugu@....com>,
        "michal.simek@...inx.com" <michal.simek@...inx.com>,
        "nava.manne@...inx.com" <nava.manne@...inx.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "git (AMD-Xilinx)" <git@....com>
Subject: Re: [PATCH 1/2] dt-bindings: reset: convert the xlnx,zynqmp-reset.txt
 to yaml



On 6/8/23 13:29, Krzysztof Kozlowski wrote:
> On 08/06/2023 12:55, Mehta, Piyush wrote:
>> Hello,
>>
>>> -----Original Message-----
>>> From: Rob Herring <robh@...nel.org>
>>> Sent: Wednesday, June 7, 2023 1:06 PM
>>> To: Mehta, Piyush <piyush.mehta@....com>
>>> Cc: p.zabel@...gutronix.de; Paladugu, Siva Durga Prasad
>>> <siva.durga.prasad.paladugu@....com>; michal.simek@...inx.com;
>>> nava.manne@...inx.com; devicetree@...r.kernel.org; linux-
>>> kernel@...r.kernel.org; linux-usb@...r.kernel.org; conor+dt@...nel.org;
>>> krzysztof.kozlowski+dt@...aro.org; robh+dt@...nel.org; Simek, Michal
>>> <michal.simek@....com>; git (AMD-Xilinx) <git@....com>
>>> 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@....com>
>>>> ---
>>>> 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@....com
>>>
>>> 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.

The first patch is conversion from txt yaml without any additional changes 
because in past we heart that we shouldn't really do other things in it. That's 
why 2 patches where made. No really issue to squashed them together.

Thanks,
Michal