linux-kernel - Re: [PATCH 0/2] ARM: sunxi: Convert DTSI to new CPU bindings

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Date:	Fri, 12 Jul 2013 11:37:20 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Emilio Lopez <emilio@...pez.com.ar>,
	devicetree-discuss@...ts.ozlabs.org,
	Mark Rutland <Mark.Rutland@....com>, nicolas.pitre@...aro.org
Subject: Re: [PATCH 0/2] ARM: sunxi: Convert DTSI to new CPU bindings

Hi Lorenzo,

On Fri, Jul 05, 2013 at 11:19:46AM +0100, Lorenzo Pieralisi wrote:
> On Sun, Jun 30, 2013 at 10:48:46AM +0100, Lorenzo Pieralisi wrote:
> > On Sat, Jun 29, 2013 at 08:38:19PM +0100, Russell King - ARM Linux wrote:
> > > On Fri, Jun 28, 2013 at 01:05:42PM -0700, Olof Johansson wrote:
> > > > On Fri, Jun 28, 2013 at 1:03 PM, Maxime Ripard
> > > > <maxime.ripard@...e-electrons.com> wrote:
> > > > > On Fri, Jun 28, 2013 at 06:15:32PM +0100, Lorenzo Pieralisi wrote:
> > > > >> The patch above should already be queued in next/dt right ?
> > > > >
> > > > > Indeed.
> > > > >
> > > > > Then why the latest patch of your patchset got in 3.10, while the
> > > > > patches actually fixing the DT it would have impacted were delayed to
> > > > > 3.11?
> > > > >
> > > > > (And why was it merged so late in the development cycle?)
> > > > 
> > > > This. So now we have to scramble because some device trees will
> > > > produce warnings at boot.
> > > > 
> > > > Russell, the alternative is to revert Lorenzo's patch for 3.10 (and
> > > > re-introduce it for 3.11). Do you have a preference?
> > > 
> > > Sorry but I really don't understand what all the fuss in this thread
> > > is about.
> > > 
> > > This thread seems to be saying that two development patches were
> > > merged, which were 7762/1 and 7763/1, and that 7764/1 is a fix?
> > > Are you sure about that, because that's not how they're described,
> > > and not how they look either.
> > 
> > As Olof's warning downgrade is being merged (thanks for that and apologies for
> > failing to explain patches dependencies properly and stable related issues),
> > 7764/1 won't apply cleanly anymore. Can you please drop it from the patch
> > system, I will update it and test it first thing tomorrow and send a
> > final version to the patch system.
> 
> Patch 7779/1, replacing 7764/1 is in the patch system now, and is ready
> to get merged.
> 
> Unfortunately cpu/cpus bindings documentation updates, following:
> 
> https://lists.ozlabs.org/pipermail/devicetree-discuss/2013-June/036735.html
> https://lists.ozlabs.org/pipermail/devicetree-discuss/2013-May/033779.html
> 
> were not pulled in the kernel. This is an issue since this means that
> we still have no reference in the kernel or wherever it has to be, to
> the final cpus/cpu bindings for ARM and ARM64 provided in the pull
> request link above (that has been reviewed to death and acknowledged).
> 
> It is a significant overhaul of cpu/cpus bindings standard for ARM/ARM64,
> covering all CPUs harking back to arm926 and beyond, and should be final.
> 
> dts updates following that standard have already been pulled into 3.11
> through arm-soc.
> 
> IMHO the bindings contained in pull request above must be merged in the
> kernel asap, I would like to ask you please what should I do to get them in
> please. If we want to move bindings documentation elsewhere let's do it,
> as long as there is a published standard I am happy and will stop annoying
> you with this stuff.

Just to be clear, I had no problems with the patches themselves, but
just the way it was merged.

That being said, I think every DTS patch you did should be merged by
now, only the second patch of this serie for the A10S hasn't.

Arnd, Olof, could you just apply the patch 2 for a 3.11-rc*? It's the
only rc patch for the sunxi platform for now, so I don't think a pull
request would be worth it, but I can send one anyway if you prefer.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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