linux-kernel - Re: [PATCHv5 05/20] cpufreq: cpufreq-cpu0: add dt node parsing for cooling device properties

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Date:	Fri, 15 Nov 2013 10:11:36 +0530
From:	viresh kumar <viresh.kumar@...aro.org>
To:	Eduardo Valentin <eduardo.valentin@...com>, swarren@...dotorg.org,
	pawel.moll@....com, mark.rutland@....com, ian.campbell@...rix.com,
	rob.herring@...xeda.com, linux@...ck-us.net, rui.zhang@...el.com
CC:	wni@...dia.com, grant.likely@...aro.org, durgadoss.r@...el.com,
	linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...k.pl>, cpufreq@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCHv5 05/20] cpufreq: cpufreq-cpu0: add dt node parsing for
 cooling device properties

On Wednesday 13 November 2013 01:16 AM, Eduardo Valentin wrote:
> This patch changes the cpufreq-cpu0 driver to consider if
> a cpu needs cooling (with cpufreq). In case the cooling is needed,
> the cpu0 device tree node needs to be properly configured
> with cooling device properties.
> 
> In case these properties are present,, the driver will
> load a cpufreq cooling device in the system. The cpufreq-cpu0
> driver is not interested in determining how the system should
> be using the cooling device. The driver is responsible
> only of loading the cooling device.
> 
> Describing how the cooling device will be used can be
> accomplished by setting up a thermal zone that references
> and is composed by the cpufreq cooling device.
> 
> Cc: "Rafael J. Wysocki" <rjw@...k.pl>
> Cc: Viresh Kumar <viresh.kumar@...aro.org>
> Cc: Grant Likely <grant.likely@...aro.org>
> Cc: Rob Herring <rob.herring@...xeda.com>
> Cc: cpufreq@...r.kernel.org
> Cc: linux-pm@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Cc: devicetree-discuss@...ts.ozlabs.org
> Signed-off-by: Eduardo Valentin <eduardo.valentin@...com>
> ---
>  .../devicetree/bindings/cpufreq/cpufreq-cpu0.txt         |  7 +++++++
>  drivers/cpufreq/Kconfig                                  |  2 +-
>  drivers/cpufreq/cpufreq-cpu0.c                           | 16 ++++++++++++++++
>  3 files changed, 24 insertions(+), 1 deletion(-)

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

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