linux-kernel - Re: [PATCH] dtb: Create a common home for cross-architecture dtsi files.

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Date:	Fri, 24 Jul 2015 12:39:01 +0100
From:	Ian Campbell <ian.campbell@...rix.com>
To:	Mark Rutland <mark.rutland@....com>
CC:	Liviu Dudau <Liviu.Dudau@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>,
	Kumar Gala <galak@...eaurora.org>,
	Sudeep Holla <Sudeep.Holla@....com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	"Kristina Martsenko" <Kristina.Martsenko@....com>,
	Kevin Hilman <khilman@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH] dtb: Create a common home for cross-architecture dtsi
 files.

On Fri, 2015-07-24 at 12:31 +0100, Mark Rutland wrote:
> On Wed, Jul 22, 2015 at 10:47:18AM +0100, Ian Campbell wrote:
> > On Wed, 2015-07-22 at 09:47 +0100, Liviu Dudau wrote:
> > > 
> > > Acked-by: Liviu Dudau <Liviu.Dudau@....com>
> > 
> > Thanks.
> > 
> > > Picking your brains here: would it be worth to have some vendor 
> > > directories in
> > > this shared area or we can hope that there will be very few files 
> > > living here?
> > 
> > I'm honestly not sure.
> > 
> > I don't expect there will be very many files under here, and I 
> > would
> > expect the norm would be that common .dtsi files used by multiple
> > arches would be things from the same vendor, but I don't think we 
> > can
> > guarantee that.
> 
> I'm not so sure that this area will remain small. I suspect we'll see
> a reasonable amount of sharing for arm/arm64 where two SoCs differ 
> sith
> s/Cortex-A7/Cortex-A53/, for example.
> 
> Perhaps we could wait until the that starts to happen; we managed to
> survive for a while before moving arm64's dts into subdirs.

If we think it is inevitable we may as well bite the bullet, plus I've
already done "git commit --amend" to move it to include/dt-dtsi/arm ;-)

Ian. 
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