linux-kernel - Re: [PATCH V4] cpufreq: suspend governors on system suspend/hibernate

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Message-ID: <1781198.iCUX9ZdW7W@vostro.rjw.lan>
Date:	Thu, 28 Nov 2013 21:29:52 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
	Patch Tracking <patches@...aro.org>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Nishanth Menon <nm@...com>,
	Stephen Warren <swarren@...dotorg.org>,
	Kgene Kim <kgene.kim@...sung.com>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	linux-tegra@...r.kernel.org, jinchoi@...adcom.com,
	Lan Tianyu <tianyu.lan@...el.com>,
	Sebastian Capella <sebastian.capella@...aro.org>,
	Jonghwan Choi <jhbird.choi@...sung.com>
Subject: Re: [PATCH V4] cpufreq: suspend governors on system suspend/hibernate

On Thursday, November 28, 2013 07:49:29 PM Viresh Kumar wrote:
> On 28 November 2013 19:53, Rafael J. Wysocki <rjw@...ysocki.net> wrote:
> > I don't think that the Nishanth's issue is fixed by this particular version of
> > the patch, so I modified the changelog and removed a the comment above
> > cpufreq_suspend()
> 
> No, it does fix his issue as we are just stopping the governors from
> dpm_suspend_noirq() and not initiating any new transitions. I said we need
> these calls from dpm_suspend() instead as platforms like exynos and tegra
> do need to change frequency before suspending..
> 
> See:
> 
> https://lkml.org/lkml/2013/11/25/692
> 
> > (which should be a proper kerneldoc one if any, BTW).
> 
> Okay.. I will add that separately..
> 
> > I've also made some minor changes to the conditionals, because I didn't like them
> > the way they were written originally.
> >
> > Please check the result in bleeding-edge.
> 
> Everything else is fine..

So I'm reading this as "the version of the patch in bleeding-edge is OK".

I hope that really is the case. :-)

Thanks!

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