linux-kernel - Re: [PATCH] dt-bindings: mips: Convert plain text file to ReST

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Date:   Sun, 22 May 2022 09:51:08 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Soumya Negi <soumya.negi97@...il.com>
Cc:     Shuah Khan <skhan@...uxfoundation.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-mips@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] dt-bindings: mips: Convert plain text file to ReST

On 21/05/2022 22:24, Soumya Negi wrote:
> On Sat, May 21, 2022 at 04:25:07PM +0200, Krzysztof Kozlowski wrote:
>> On 21/05/2022 03:56, Soumya Negi wrote:
>>> Converts .txt documentation file to ReST format(.rst).
>>>
>>> Signed-off-by: Soumya Negi <soumya.negi97@...il.com>
>>> ---
>>>  .../devicetree/bindings/mips/cpu_irq.rst      | 56 +++++++++++++++++++
>>>  1 file changed, 56 insertions(+)
>>>  create mode 100644 Documentation/devicetree/bindings/mips/cpu_irq.rst
>>>
>>> diff --git a/Documentation/devicetree/bindings/mips/cpu_irq.rst b/Documentation/devicetree/bindings/mips/cpu_irq.rst
>>> new file mode 100644
>>> index 000000000000..601cc12caa2a
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/mips/cpu_irq.rst
>>> @@ -0,0 +1,56 @@
>>> +=============================
>>> +MIPS CPU interrupt controller
>>> +=============================
>>> +
>>> +On MIPS the ``mips_cpu_irq_of_init()`` helper can be used to initialize the 8 CPU
>>> +IRQs from a devicetree file and create a ``irq_domain`` for IRQ controller.
>>
>> Bindings is not a place for code. No.
>>
>>> +
>>> +With the ``irq_domain`` in place we can describe how the 8 IRQs are wired to the
>>> +platforms internal interrupt controller cascade.
>>> +
>>> +Below is an example of a platform describing the cascade inside the devicetree
>>> +and the code used to load it inside ``arch_init_irq()``.
>>> +
>>> +Required properties
>>> +-------------------
>>> +* compatible: Should be **"mti,cpu-interrupt-controller"**
>>
>> If you wanted to add bindings, please use DT schema format (see
>> writing-schema, writing-bindings and example-schema files).
> 
> Hi, 
> I don't want to add bindings. I want to the convert the doc file
> Documentation/devicetree/bindings/mips/cpu_irq.txt to ReST file format.
> 
> I referred to this page(https://wiki.linuxfoundation.org/lkmp/lkmp_task_list) while
> creating the patch. It also mentions exceptions that should be kept as plain text 
> files. Does this file count as an exception?


The original file you mention is a dt-bindings file, not a doc file. As
you see it is in the bindings subdirectory. All (or almost all) files in
Documentation/devicetree/bindings are bindings.

It should be stripped out of C code and converted to DT schema (and
moved to interrupt-controllers), not to ReST.

Best regards,
Krzysztof