linux-kernel - Re: [RFC PATCH 2/3] dt-bindings: watchdog: ti,davinci-wdt: convert to dtschema

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Message-ID: <2d8ceef8-9d5e-42a9-af2e-f9292728a3bf@kernel.org>
Date: Mon, 22 Jul 2024 15:50:15 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Kousik Sanagavarapu <five231003@...il.com>
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>,
 Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Wim Van Sebroeck <wim@...ux-watchdog.org>,
 Guenter Roeck <linux@...ck-us.net>, Nishanth Menon <nm@...com>,
 Santosh Shilimkar <ssantosh@...nel.org>, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-watchdog@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 2/3] dt-bindings: watchdog: ti,davinci-wdt: convert to
 dtschema

On 22/07/2024 15:12, Kousik Sanagavarapu wrote:
> On Mon, Jul 22, 2024 at 10:15:03AM +0200, Krzysztof Kozlowski wrote:
>> On 21/07/2024 18:28, Kousik Sanagavarapu wrote:
>>> +properties:
>>> +  compatible:
>>> +    enum:
>>> +      - ti,davinci-wdt
>>> +      - ti,keystone-wdt
>>
>> This does not match the original binding and commit msg did not explain
>> why such change is necessary.
> 
> I don't understand.  Do you mean both the compatibles are always
> compulsory?  Meaning
> 
> 	compatible:
> 	  items:
> 	    - const: ti,davinci-wdt
> 	    - const: ti,keystone-wdt

Yes, this is what old binding said.

> 
> It is enum because I intended it to align with the subsequent patch
> which changes DTS.
> 
>> This also does not match DTS.
> 
> Yes.  I've asked about changing the DTS in the subsequent patch.
> 

Changing the DTS cannot be the reason to affect users and DTS... It's
tautology. You change DTS because you intent to change DTS?

Best regards,
Krzysztof