linux-kernel - Re: [PATCH] dt-bindings: interrupt-controller: Convert Atmel AIC to json-schema

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Date: Fri, 9 Feb 2024 09:16:18 +0000
From: <Dharma.B@...rochip.com>
To: <robh@...nel.org>
CC: <conor@...nel.org>, <alexandre.belloni@...tlin.com>,
	<conor+dt@...nel.org>, <linux-kernel@...r.kernel.org>, <tglx@...utronix.de>,
	<Nicolas.Ferre@...rochip.com>, <linux-arm-kernel@...ts.infradead.org>,
	<claudiu.beznea@...on.dev>, <devicetree@...r.kernel.org>,
	<krzysztof.kozlowski+dt@...aro.org>
Subject: Re: [PATCH] dt-bindings: interrupt-controller: Convert Atmel AIC to
 json-schema

Hi Rob,

On 09/02/24 2:40 pm, Rob Herring wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Fri, Feb 09, 2024 at 06:31:15AM +0000, Dharma.B@...rochip.com wrote:
>> Hi Conor,
>>
>> On 09/02/24 12:19 am, Conor Dooley wrote:
>>> Hey Dharma,
>>>
>>> On Thu, Feb 08, 2024 at 03:51:31PM +0000, Rob Herring wrote:
>>>> On Thu, 08 Feb 2024 14:50:15 +0530, Dharma Balasubiramani wrote:
>>>>> Convert the Atmel AIC binding document to DT schema format using
>>>>> json-schema.
>>>>>
>>>>> Signed-off-by: Dharma Balasubiramani<dharma.b@...rochip.com>
>>>>> ---
>>>>> Note: I get the following warnings on latest kernel but not in 6.7.
>>>>> Should I be worried?
>>>>> usage: yamllint [-h] [-] [-c CONFIG_FILE | -d CONFIG_DATA] [--list-files] [-f {parsable,standard,colored,github,auto}] [-s] [--no-warnings] [-v] [FILE_OR_DIR [FILE_OR_DIR ...]]
>>>>> yamllint: error: one of the arguments FILE_OR_DIR - is required
>>> Hard to say, how were you envoking the command? There were some issues
>>> recently with dt_binding_check, but I thought those had been fixed.
>>
>> I use this command to validate
>>
>> make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- dt_binding_check
>> DT_SCHEMA_FILES=Documentation/devicetree/bindings/interrupt-controller/atmel,aic.yaml
> 
> Humm, not sure. Will have to investigate.
> 
> 
>> and also dtbs_check.
>>
>> version = yamllint 1.32.0
>>>
>>>> dtschema/dtc warnings/errors:
>>>> Documentation/devicetree/bindings/interrupt-controller/atmel,aic.example.dtb: /example-1/dma-controller@...fec00: failed to match any schema with compatible: ['atmel,at91sam9g45-dma']
>>> But you didn't see this warning?
>>
>> No I didn't see this warning when applied on tag:6.7. Don't know why.
> 
> That's because it just got enabled by default.
> 
>>
>>> I think you can resolve it by just dropping the "user" example from the
>>> binding entirely. I don't think it adds anything at all.
>>
>> I intentionally checked the generated example dts file and found that
>> both the examples look correct.
> 
> Maybe so, but how do we know with no schema? Your choices are drop from
> the example or add a schema for the DMA controller.

Currently, my colleague is actively working on adding the schema for 
DMA, anyway I will drop the dma example in the interrupt controller for now.

Thanks.
> 
> Rob

-- 
With Best Regards,
Dharma B.