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Date:   Wed, 9 Sep 2020 15:31:22 -0600
From:   Rob Herring <>
To:     Marek Behun <>
Cc:     Andrew Lunn <>,,, Pavel Machek <>,
        Dan Murphy <>,
        Ondřej Jirman <>,
        Russell King <>,,
        Matthias Schiffer <>,
        "David S. Miller" <>,
Subject: Re: [PATCH net-next + leds v2 1/7] dt-bindings: leds: document
 binding for HW controlled LEDs

On Wed, Sep 09, 2020 at 11:07:26PM +0200, Marek Behun wrote:
> On Wed, 9 Sep 2020 14:59:23 -0600
> Rob Herring <> wrote:
> > > 
> > > I don't know :) I copied this from other drivers, I once tried setting
> > > up environment for doing checking of device trees with YAML schemas,
> > > and it was a little painful :)  
> > 
> > pip3 install dtschema ?
> > 
> > Can you elaborate on the issue.
> > 
> > Rob
> > 
> I am using Gentoo and didn't want to bloat system with non-portage
> packages, nor try to start a virtual environment. In the end I did it
> in a chroot Ubuntu :)

A user install doesn't work?

I don't really care for virtual env either.

> The other thing is that the make dt_binding_check executed for
> quite a long time, and I didn't find a way to just do the binding check
> some of the schemas.

It's a bit faster now with what's queued for 5.10. The schema 
validation is under 10sec now on my laptop. For the examples, any 
new schema could apply to any example, so we have to check them all. 
It's faster too, but still minutes to run.

> But I am not criticizing anything, I think that it is a good thing to
> have this system.

Good to hear. Just want to improve any pain points if possible.


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