Re: [PATCH] arm64: dts: imx8mn-var-som: reorder reg properties after compatible strings

From: Hugo Villeneuve
Date: Tue Nov 07 2023 - 11:52:47 EST


On Tue, 7 Nov 2023 17:37:44 +0100
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:

> On 07/11/2023 17:28, Hugo Villeneuve wrote:
> > On Tue, 7 Nov 2023 17:19:20 +0100
> > Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:
> >
> >> On 07/11/2023 17:01, Hugo Villeneuve wrote:
> >>> From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>
> >>>
> >>> Move reg nodes after the compatible string, to follow DT conventions.
> >>
> >> This is a bit of churn... like patches for checkpatch. But unlike
> >> checkpatch, it's not even documented.
> >
> > Hi,
> > I do not really understand your point or if I must change
> > something...
> >
> > But looking at a lot of dts, the reg property is always following the
> > compatible string, so I assumed it was an undocumented convention or
> > best practice...
> >
>
> Patches fixing only checkpatch --strict are usually welcomed only in
> staging. But even there no one wants to deal with one patch changing one
> style issue in one file.
>
> You are doing the same, outside of staging, but relying on undocumented
> practice. Such patches are unnecessary churn. Documenting the practice
> and fixing entire subsystems or groups of devices would be welcomed.
> Fixing line by line some style issue is just effort for maintainers.

Hi,
ok, now it is more clear.

I tried to search in Documentation/ or the web for DT conventions/best
practices, but couldn't find anything relevant, apart from "use YAML
coding style"... Maybe it would be a good thing to add a document for
DT best practices eventually...

Thank you, Hugo.