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Message-ID: <10811cbe-359f-42fe-b318-490309f95942@kernel.org>
Date: Mon, 22 Apr 2024 19:57:49 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Holger Assmann <h.assmann@...gutronix.de>, lgirdwood@...il.com,
 broonie@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, yibin.gong@....com
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: Re: [PATCH 2/2] dt-bindings: regulator: pca9450: add restart handler
 priority

On 22/04/2024 10:24, Holger Assmann wrote:
> Hello Krzysztof,
> 
> also thanks for the feedback on this one.
> 
> Am 19.04.24 um 15:39 schrieb Krzysztof Kozlowski:
>>
>> Please use subject prefixes matching the subsystem. You can get them for
>> example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
>> your patch is touching.
> 
> Short note: I did that prior submitting, but I did it directly for the
> yaml-file and not for the directory - Those do not look the same
> regarding their prefix scheme.

No, if you run it per file or per directory, prefix is the same. Starts with regulator, doesn't it?

> 
> I will change it for my v2 and use a subject like for the directory.

regulator: dt-bindings: nxp,pca9450: add foo bar


> 
> 
>>
>>> ---
>>>  .../devicetree/bindings/regulator/nxp,pca9450-regulator.yaml   | 3 +++
>>>  1 file changed, 3 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
>>> index 3d469b8e97748..7cc2d6636cf52 100644
>>> --- a/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
>>> +++ b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
>>> @@ -35,6 +35,9 @@ properties:
>>>    interrupts:
>>>      maxItems: 1
>>>  
>>> +  priority:
>>> +    $ref: /schemas/power/reset/restart-handler.yaml#
>>
>> You defined object, which is not explained in commit msg. This code does
>> not look correct or it does not implement what you said.
>>
>> Please look at existing code - do you see anything like this? No, there
>> is no such code and this should raise question.
> 
> I am a bit lost on that one to be honest.
> 
> The only other instances where a "priority" for restart handling is
> described are "gpio-poweroff.yaml" and "syscon-reboot.yaml". These files
> are dedicated documentation for the reset bindings, so I tried to
> transfer the respective entry over for my commit.

Where do you see such syntax?

> 
> Do you suggest I should replace
> 
> +  priority:
> +    $ref: /schemas/power/reset/restart-handler.yaml#

I don't understand what you want to express with such syntax. That's why I suggested you to look for existing examples. There is no such code as above, so you are the first one to add it. And then the obvious question: why are you doing things quite different than others? That's pretty often a hint that something is odd.

> 
> with
> 
> +allOf:
> +  - $ref: /schemas/power/reset/restart-handler.yaml#
> 
> in order to properly include the context for the restart handling?
> Running dt_binding_check does not indicate an issue with any of those two.

Again, what do you want to achieve?

> 
> 
>>
>> You probably want to annotate that device is a restart handler?
> 
> You mean by adding to the "description" part of the file?

No. What do you want to achieve?

Best regards,
Krzysztof


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