linux-kernel - Re: [PATCH v4] clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers

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Message-ID: <11522840.iniX5CHHHk@diego>
Date:	Wed, 26 Nov 2014 13:48:32 +0100
From:	Heiko Stübner <heiko@...ech.de>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:	Doug Anderson <dianders@...omium.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Olof Johansson <olof@...om.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Will Deacon <will.deacon@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Sudeep Holla <Sudeep.Holla@....com>,
	Mark Rutland <Mark.Rutland@....com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Marc Zyngier <marc.zyngier@....com>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Nathan Lynch <Nathan_Lynch@...tor.com>,
	Rob Herring <robh+dt@...nel.org>,
	Sonny Rao <sonnyrao@...omium.org>
Subject: Re: [PATCH v4] clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers

Am Mittwoch, 26. November 2014, 13:30:58 schrieb Daniel Lezcano:
> On 11/26/2014 01:06 PM, Heiko Stübner wrote:
> > Hi Daniel,
> > 
> > Am Mittwoch, 26. November 2014, 12:51:08 schrieb Daniel Lezcano:
> >> Hi Doug, Olof,
> >> 
> >> IIUC, it sounds like this patch is needed from some other patches in
> >> arm-soc. Olof was proposing to take this patch through its tree to
> >> facilitate the integration.
> >> 
> >> Olof, is it this patch you were worried about ?
> > 
> > I think this is one of two patches in question.
> > 
> > "clocksource: arch_timer: Fix code to use physical timers when requested"
> > [0] would be the second one.
> > 
> > And the patch for arm-soc that Olof means would be "ARM: dts: rk3288: add
> > arm,cpu-registers-not-fw-configured" [1].
> 
> Ok, so IIUC, "clocksource: arch_timer: Fix code to use physical timers
> when requested" should go via arm's tree, right ?

If I'm reading Olof's irc-comments from yesterday correctly, that is right and 
the 3 patches should go in together:

- "clocksource: arch_timer: Fix code to use physical timers
  when requested" fixes the use of physical timers in general
- "clocksource: arch_timer: Allow the device tree to specify uninitialized
  timer registers" allows this to be set from dt
- "ARM: dts: rk3288: add arm,cpu-registers-not-fw-configured" enables this on
  rk3288


Heiko
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