linux-kernel - Re: [PATCH 4.4 14/56] dt-bindings: Add LEGO MINDSTORMS EV3 compatible specification

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Message-ID: <20171115155013.GA30206@kroah.com>
Date:   Wed, 15 Nov 2017 16:50:13 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Ben Hutchings <ben.hutchings@...ethink.co.uk>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Rob Herring <robh@...nel.org>,
        David Lechner <david@...hnology.com>,
        Sekhar Nori <nsekhar@...com>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: Re: [PATCH 4.4 14/56] dt-bindings: Add LEGO MINDSTORMS EV3
 compatible specification

On Wed, Nov 15, 2017 at 03:14:53PM +0000, Ben Hutchings wrote:
> On Wed, 2017-11-15 at 16:08 +0100, Greg Kroah-Hartman wrote:
> > On Tue, Nov 14, 2017 at 08:15:58PM +0000, Ben Hutchings wrote:
> > > On Mon, 2017-11-13 at 13:55 +0100, Greg Kroah-Hartman wrote:
> > > > 4.4-stable review patch.  If anyone has any objections, please
> > > > let me
> > > > know.
> > > > 
> > > > ------------------
> > > > 
> > > > From: David Lechner <david@...hnology.com>
> > > > 
> > > > 
> > > > [ Upstream commit 21078ab174c99885ca83a5c32db0d33b1617745e ]
> > > > 
> > > > This adds the board level device tree specification for LEGO
> > > > MINDSTORMS EV3
> > > 
> > > Nothing uses or implements this in 4.4.
> > 
> > Really?
> > 
> > > 
> > > Ben.
> > > 
> > > > Acked-by: Rob Herring <robh@...nel.org>
> > > > Signed-off-by: David Lechner <david@...hnology.com>
> > > > Signed-off-by: Sekhar Nori <nsekhar@...com>
> > > > Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
> > > > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > > > ---
> > > >  Documentation/devicetree/bindings/arm/davinci.txt |    4 ++++
> > > >  1 file changed, 4 insertions(+)
> > > > 
> > > > --- a/Documentation/devicetree/bindings/arm/davinci.txt
> > > > +++ b/Documentation/devicetree/bindings/arm/davinci.txt
> > > > @@ -9,6 +9,10 @@ EnBW AM1808 based CMC board
> > > >  Required root node properties:
> > > >      - compatible = "enbw,cmc", "ti,da850;
> > > >  
> > > > +LEGO MINDSTORMS EV3 (AM1808 based)
> > > > +Required root node properties:
> > > > +    - compatible = "lego,ev3", "ti,da850";
> > 
> > I see lots of "ti,da850" dt stuff used in 4.4.  As this hardware was
> > released on 3.2 or so, shouldn't this all be well-used by now?
> 
> "ti,da850" is used but "lego,ev3" is not.

Ugh, same for 4.9-stable as well.

Sasha, can you send me a 'revert' patch for this, I applied it there
already :(

I'll go drop this from the 4.4 queue, thanks again Ben for your great
review.

greg k-h