linux-kernel - Re: [RFC PATCH 0/2] thermal: Add generic cpu cooling devices according to thermal framework

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Date:	Thu, 19 Jan 2012 14:47:31 +0530
From:	Amit Kachhap <amit.kachhap@...aro.org>
To:	linux-pm@...ts.linux-foundation.org
Cc:	linux-kernel@...r.kernel.org, mjg59@...f.ucam.org,
	linux-acpi@...r.kernel.org, lenb@...nel.org, rui.zhang@...el.com,
	linaro-dev@...ts.linaro.org, amit.kachhap@...aro.org,
	patches@...aro.org
Subject: Re: [RFC PATCH 0/2] thermal: Add generic cpu cooling devices
 according to thermal framework

On 13 December 2011 20:43, Amit Daniel Kachhap <amit.kachhap@...aro.org> wrote:
> PATCH 1)  [thermal: Add a new trip type to use cooling device instance number]
> This patch adds a new trip type THERMAL_TRIP_STATE_ACTIVE which passes
> cooling device instance number and may be helpful for cpufreq cooling devices
> to take the correct cooling action.
>
> PATCH 2)  [thermal: Add generic cpu cooling implementation]
> This patch adds generic cpu cooling low level implementation through frequency
> clipping and cpu hotplug. In future, other cpu related cooling devices may be
> added here. An ACPI version of this already exists(drivers/acpi/processor_thermal.c).
> But this will be useful for platforms like ARM using the generic thermal interface
> along with the generic cpu cooling devices. The cooling device registration API's
> return cooling device pointers which can be easily binded with the thermal zone
> trip points.
>

Any comments on these patches? I submitted them quite long back.

Regards,
Amit D

>
> Amit Daniel Kachhap (2):
>  thermal: Add a new trip type to use cooling device instance number
>  thermal: Add generic cpu cooling implementation
>
>  Documentation/thermal/cpu-cooling-api.txt |   52 +++++
>  Documentation/thermal/sysfs-api.txt       |    4 +-
>  drivers/thermal/Kconfig                   |   11 +
>  drivers/thermal/Makefile                  |    1 +
>  drivers/thermal/cpu_cooling.c             |  302 +++++++++++++++++++++++++++++
>  drivers/thermal/thermal_sys.c             |   27 +++-
>  include/linux/cpu_cooling.h               |   45 +++++
>  include/linux/thermal.h                   |    1 +
>  8 files changed, 440 insertions(+), 3 deletions(-)
>  create mode 100644 Documentation/thermal/cpu-cooling-api.txt
>  create mode 100644 drivers/thermal/cpu_cooling.c
>  create mode 100644 include/linux/cpu_cooling.h
>
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