linux-kernel - Re: [PATCH v3 7/9] ARM: add Armada 1500 and Sony NSZ-GS7 device tree files

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Message-ID: <CAOesGMhfr3CNxKNRJa+eJepr2Fc-jx4rTQ7cPerTkQM-CyzuCg@mail.gmail.com>
Date:	Fri, 8 Nov 2013 11:14:07 -0800
From:	Olof Johansson <olof@...om.net>
To:	Jason Cooper <jason@...edaemon.net>
Cc:	Kumar Gala <galak@...eaurora.org>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Mark Rutland <mark.rutland@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Stephen Warren <swarren@...dotorg.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 7/9] ARM: add Armada 1500 and Sony NSZ-GS7 device tree files

On Fri, Nov 8, 2013 at 10:24 AM, Jason Cooper <jason@...edaemon.net> wrote:
> On Fri, Nov 08, 2013 at 12:06:26PM -0600, Kumar Gala wrote:
>>
>> On Nov 8, 2013, at 10:57 AM, Jason Cooper wrote:
>>
>> > On Fri, Nov 08, 2013 at 10:13:19AM -0600, Kumar Gala wrote:
>> >> On Nov 5, 2013, at 8:28 AM, Sebastian Hesselbarth wrote:
>> > ...
>> >>> .../devicetree/bindings/arm/marvell,berlin.txt     |   24 +++
>> >>> arch/arm/boot/dts/Makefile                         |    2 +
>> >>> arch/arm/boot/dts/berlin2-sony-nsz-gs7.dts         |   29 +++
>> >>> arch/arm/boot/dts/berlin2.dtsi                     |  227 ++++++++++++++++++++
>> >>> 4 files changed, 282 insertions(+)
>> >>> create mode 100644 Documentation/devicetree/bindings/arm/marvell,berlin.txt
>> >>> create mode 100644 arch/arm/boot/dts/berlin2-sony-nsz-gs7.dts
>> >>> create mode 100644 arch/arm/boot/dts/berlin2.dtsi
>> >>
>> >> Haven't we been trying to go away from non-prefixed dts/dtsi?
>> >
>> > hmmm, this is the first I've heard of that.  Although, your proposal
>> > (in another thread) makes more sense now.  :)
>> >
>> >> So should these be something like marvell-berlin2-...
>> >
>> > I don't recall this being brought up at the summit, nor in Grant's
>> > report.  I do need to give it a more careful read this weekend, though.
>> > Perhaps I missed something.
>>
>> This was based on review comments Olof gave when we pushed some .dts
>> files for MSM/APQ Qualcomm Technologies soc/boards.
>
> As Andrew Lunn mentioned to me earlier, we should consider the fact that
> the dts file names are being used by Debian's flash-kernel.  Oh no!
> Another ABI! ;-)

Yes, the names are mostly stable. ST-Ericsson renamed their dts files
and it caused some pain, some build environments have them hardcoded,
etc.

Still, it is a good idea to start adding new ones using family or
vendor prefixes, so they are easier to group. Please keep that in mind
on new ones too, Jason -- I don't think I've discussed with you in the
past. :-)


-Olof
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