linux-kernel - Re: Rule for bridge yaml dt binding maintainers?

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Date:   Mon, 20 Apr 2020 19:59:09 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Adrian Ratiu <adrian.ratiu@...labora.com>
Cc:     devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-kernel@...r.kernel.org, Andrzej Hajda <a.hajda@...sung.com>,
        Rob Herring <robh+dt@...nel.org>, kernel@...labora.com
Subject: Re: Rule for bridge yaml dt binding maintainers?

Hi Adrian

On Mon, Apr 20, 2020 at 02:19:24PM +0300, Adrian Ratiu wrote:
> Hello,
> 
> I got confused while doing the txt -> yaml conversion at [1] and it's still
> not clear to me who should be added in the "maintainers" field.  Clearly not
> the maintainers as returned by get_maintainer.pl. :)
> 
> Rob mentioned that "owners" should be manintainers but I also have trouble
> picking the persons who should be owners / yaml maintainers.
> 
> Looking at the completed bridge conversions in the latest linux-next, I
> couldn't find a rule and the majority of bindings are still txt:
> 
> $ find ./devicetree/bindings/display/bridge/ -name *txt | wc -l
> 23
> $ find ./devicetree/bindings/display/bridge/ -name *yaml | wc -l
> 5
> 
> So my questions are:
> 1. Is there a general rule for assigning yaml file owners/maintainers?
> 
> 2. Is this vagueness specific to the bridge dt bindings only?
> 
> 3. Who should step up and maintain these bindings? Original/new authors,
> SoC, bridge, DRM maintainers etc.?
> 
> It would be useful to have a rule to make it easier to do these conversions.
> We (Collabora) are considering doing the conversion work.

For the panel conversion I did recently it was simple:
1) If listed in MAINTAINERS - use this info
2) Otherwise use the person(s) that authored the original .txt file.
   Using git log --follow foo.txt
3) In a few cases I may have decided otherwise, but the above covers the
   majority.

I would also be great if you or someone else could:
- teach get_maintainers about .yaml file listed maintainers
- teach checkpatch that it is OK to convert .txt to .yaml
- teach checkpatch about some simple yaml validation (maybe)

I am looking forward to the day we have more .yaml files
than .txt files in Documentation/devicetree/binding/*

	Sam