linux-kernel - Re: [PATCH 1/3] dt-bindings: mtd: atmel-nand: convert txt to yaml

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Message-ID: <d3f2c773-ca53-43bd-bca8-4e27b9a4e5c1@microchip.com>
Date: Mon, 25 Mar 2024 03:56:46 +0000
From: <Balamanikandan.Gunasundar@...rochip.com>
To: <Conor.Dooley@...rochip.com>
CC: <conor@...nel.org>, <miquel.raynal@...tlin.com>, <richard@....at>,
	<vigneshr@...com>, <robh@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
	<conor+dt@...nel.org>, <Nicolas.Ferre@...rochip.com>,
	<alexandre.belloni@...tlin.com>, <claudiu.beznea@...on.dev>,
	<linux-mtd@...ts.infradead.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] dt-bindings: mtd: atmel-nand: convert txt to yaml

On 22/03/24 1:00 pm, Conor Dooley wrote:
> On Fri, Mar 22, 2024 at 04:27:29AM +0000, Balamanikandan.Gunasundar@...rochip.com wrote:
>> On 20/03/24 10:05 pm, Conor Dooley wrote:
>>> On Wed, Mar 20, 2024 at 11:22:07AM +0530, Balamanikandan Gunasundar wrote:
> 
>>>> +allOf:
>>>> +  - if:
>>>> +      properties:
>>>> +        compatible:
>>>> +          contains:
>>>> +            enum:
>>>> +              - atmel,at91rm9200-nand-controller
>>>> +              - atmel,at91sam9260-nand-controller
>>>> +              - atmel,at91sam9261-nand-controller
>>>> +              - atmel,at91sam9g45-nand-controller
>>>> +              - atmel,sama5d3-nand-controller
>>>> +              - microchip,sam9x60-nand-controller
>>>> +    then:
>>>> +      properties:
>>>> +        "#address-cells":
>>>> +          const: 2
>>>> +
>>>> +        "#size-cells":
>>>> +          const: 1
>>> Why is this in an if? Isn't this all of the devices in the binding?
>>>
>>
>> The default nand-controller.yaml defines this as const values.
>> (#address-cell : 1 and #size-cells : 1). I am trying to override this
>> const value.
> 
> You're not overriding anything as you don't have a ref to
> nand-controller.yaml in this file, AFAICT. Why don't you?
> 
>> May be I should think about better approach ?
> 
> You should be able to apply this unconditionally for this file. I don't
> see why the if would be needed?
> 
> 
>>>> +patternProperties:
>>>> +  "^nand@[a-f0-9]$":
>>>> +    type: object
>>>> +    $ref: nand-chip.yaml#
>>>> +    description:
>>>> +      NAND chip bindings. All generic properties described in
>>>> +      Documentation/devicetree/bindings/mtd/{common,nand}.txt also apply to
>>>> +      the NAND device node, and NAND partitions should be defined under the
>>>> +      NAND node as described in
>>>> +      Documentation/devicetree/bindings/mtd/partition.txt.
>>> These files do not exist.
>>>
>>
>> Apologies for copying the content from the text file. I will correct this.
> 
> You don't need these comments at all I think. You have the ref to
> nand-chip.yaml, so at least the first text file reference can be
> removed.
> 

Agree with this. I will remove it.

>> Yes. I should fix the alignment. I will send a v2 shortly
> 
> I did make other comments, so I assume you agree with everything else I
> mentioned and will implement them in v2.

Yes. I agree with other comments as well. I will also address all the 
comments with the other 2 patches and send a v2. Thanks for reviewing.

Regards,
Bala.

> 
> Thanks,
> Conor.