linux-kernel - Re: [PATCH V2] ARM: dove: dt: revert PMU interrupt controller node

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Date:	Tue, 4 Mar 2014 08:53:06 -0500
From:	Jason Cooper <jason@...edaemon.net>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...glemail.com>,
	linux-kernel@...r.kernel.org,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V2] ARM: dove: dt: revert PMU interrupt controller node

On Tue, Mar 04, 2014 at 12:11:36PM +0000, Russell King - ARM Linux wrote:
> On Tue, Mar 04, 2014 at 11:39:43AM +0100, Sebastian Hesselbarth wrote:
> > On 03/04/2014 10:26 AM, Andrew Lunn wrote:
> >>> I could have sworn this was discussed with this particular patchset, but
> >>> I'm unable to find the conversation in my archives.  Neither during the
> >>> patch submission process, nor the (long) pull request thread.
> >>>
> >>> Perhaps it was an irc conversation?  Andrew, Sebastian, can you find a
> >>> link?  iirc, one of the DT maintainers (Mark Rutland?) raised the same
> >>> concern and I thought we answered that sufficiently...
> >>
> >> It was the cpufreq driver which caused the discussion. I looked at it
> >> for a while, and then task swapped onto the kirkwood move into
> >> mach-mvebu.
> >
> > I guess you are looking for this discussion
> >
> > http://comments.gmane.org/gmane.linux.power-management.general/41053
> >
> > and specifically Mark's remarks on PMU and DT in here
> >
> > http://permalink.gmane.org/gmane.linux.ports.arm.kernel/285384
> >
> > BTW, +1 for a single PMU node that either serves an mfd (or type
> > of) driver or that subsystem drivers derive their resources from.
> > Looking at Dove FS, that would also include clock gating, which
> > could be a mess to sort out.. anyway, let's get it on.
> 
> So we have cpufreq, pm domains and an irq controller.  What's the plan
> for this, who's going to look at sorting this out?

Andrew, Sebastian?  I'm currently task-saturated...

thx,

Jason.
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