linux-kernel - [PATCH 0/3] devfreq: Add support for devices which can idle

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Message-Id: <1346682578-24312-1-git-send-email-rajagopal.venkat@linaro.org>
Date:	Mon,  3 Sep 2012 19:59:35 +0530
From:	Rajagopal Venkat <rajagopal.venkat@...aro.org>
To:	mturquette@...aro.org, myungjoo.ham@...sung.com,
	kyungmin.park@...sung.com, rjw@...k.pl
Cc:	patches@...aro.org, linaro-dev@...ts.linaro.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Rajagopal Venkat <rajagopal.venkat@...aro.org>
Subject: [PATCH 0/3] devfreq: Add support for devices which can idle

This patchset updates devfreq core to add support for devices
which can idle. When device idleness is detected perhaps
through runtime-pm, need some mechanism to suspend devfreq
load monitoring and resume when device is back online.

patch 1 introduce core design changes - per device work, decouple
delayed work from core and event based interaction.
patch 2 add devfreq suspend and resume apis.
patch 3 current frequency bug fix and add new sysfs attribute for
governor predicted next target frequency.

The existing devfreq apis are kept intact. Two new apis
devfreq_suspend_device() and devfreq_resume_device() are
added to support suspend/resume of device devfreq.

--
Rajagopal Venkat (3):
  devfreq: core updates to support devices which can idle
  devfreq: Add suspend and resume apis
  devfreq: Add current freq callback in device profile

 Documentation/ABI/testing/sysfs-class-devfreq |   7 +
 drivers/devfreq/devfreq.c                     | 412 +++++++++++---------------
 drivers/devfreq/governor.h                    |  11 +
 drivers/devfreq/governor_performance.c        |  16 +-
 drivers/devfreq/governor_powersave.c          |  16 +-
 drivers/devfreq/governor_simpleondemand.c     |  42 +++
 drivers/devfreq/governor_userspace.c          |  23 +-
 include/linux/devfreq.h                       |  46 ++-
 8 files changed, 291 insertions(+), 282 deletions(-)

-- 
1.7.11.3

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