linux-kernel - Re: [PATCH v10 00/21] Introduce ACPI for ARM64 based on ACPI 5.1

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Message-ID: <2286147.A9elpz2VHW@vostro.rjw.lan>
Date:	Wed, 25 Mar 2015 13:16:41 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Will Deacon <will.deacon@....com>
Cc:	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	"guohanjun@...wei.com" <guohanjun@...wei.com>,
	"hanjun.guo@...aro.org" <hanjun.guo@...aro.org>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
	Mark Rutland <Mark.Rutland@....com>,
	"graeme.gregory@...aro.org" <graeme.gregory@...aro.org>,
	Sudeep Holla <Sudeep.Holla@....com>,
	"jcm@...hat.com" <jcm@...hat.com>,
	Marc Zyngier <Marc.Zyngier@....com>,
	Mark Brown <broonie@...nel.org>,
	Robert Richter <rric@...nel.org>,
	Timur Tabi <timur@...eaurora.org>,
	Ashwin Chaugule <ashwinc@...eaurora.org>,
	"suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>
Subject: Re: [PATCH v10 00/21] Introduce ACPI for ARM64 based on ACPI 5.1

On Wednesday, March 25, 2015 11:38:43 AM Will Deacon wrote:
> On Wed, Mar 25, 2015 at 11:54:25AM +0000, Rafael J. Wysocki wrote:
> > On Wednesday, March 25, 2015 11:24:11 AM Will Deacon wrote:
> > > On Tue, Mar 24, 2015 at 10:02:53PM +0000, Grant Likely wrote:
> > > > On Thu, 19 Mar 2015 19:39:27 +0000 , Will Deacon <will.deacon@....com>
> > > > wrote:
> > > > > On Thu, Mar 19, 2015 at 10:17:27AM +0000, Lorenzo Pieralisi wrote:
> > > > > > Not only that, Sudeep has a patch to consolidate DT and ACPI SMP code,
> > > > > > I am working on it, I do not think it should be a blocking point, patch
> > > > > > coming asap on top of your series.
> > > > > 
> > > > > Well, I don't really want to merge the series without those patches so I
> > > > > do think it blocks the code from getting into mainline.
> > > > 
> > > > Really? It's a pretty minor duplication problem and it's been identified
> > > > as something requiring refactoring to both the ACPI and DT code. It
> > > > isn't at all dangerous. Why is this a blocking point?
> > > 
> > > Because I don't really see a valid excuse not to get this right first time
> > > around. Lorenzo already has patches on top, so we just need a co-ordinated
> > > review effort.
> > > 
> > > I wouldn't accept another patch series that needed minor rework (which by
> > > its very nature is easily addressed), so why should ACPI be treated any
> > > differently?
> > 
> > Not ACPI, but this particular patchset I think.  The problem is that it has
> > already been reviewed and ACKed by multiple people and it would be a shame
> > to require all of those people to do their reviews once again because of
> > that minor rework (which arguably can be done on top of the patchset just
> > fine).
> > 
> > Of course, if the minor rework in question would not involve the need to
> > review things once again, then I agree that it'd be better to do it upfront,
> > but otherwise there's a good reason not to.
> 
> Aha, I think this is just a misunderstanding -- I'm certainly not suggesting
> that Hanjun rework the current set! What I *am* asking for is that they go
> into mainline with Lorenzo's patches on top, which means that his series [1]
> needs some review (and I plan to look at it later today).

OK, that works for me, thanks for the clarification!

For the record, I've looked at the Lorenzo's series already and I don't see
anything particularly objectionable in it.

> [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/333257.html


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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