Re: [PATCH v4 1/3] devfreq: Core updates to support devices which can idle

[Rajagopal Venkat]

On 8 October 2012 13:44, MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx> wrote:
>> Prepare devfreq core framework to support devices which
>> can idle. When device idleness is detected perhaps through
>> runtime-pm, need some mechanism to suspend devfreq load
>> monitoring and resume back when device is online. Present
>> code continues monitoring unless device is removed from
>> devfreq core.
>>
>> This patch introduces following design changes,
>>
>> - use per device work instead of global work to monitor device
>>   load. This enables suspend/resume of device devfreq and
>>   reduces monitoring code complexity.
>> - decouple delayed work based load monitoring logic from core
>>   by introducing helpers functions to be used by governors. This
>>   provides flexibility for governors either to use delayed work
>>   based monitoring functions or to implement their own mechanism.
>> - devfreq core interacts with governors via events to perform
>>   specific actions. These events include start/stop devfreq.
>>   This sets ground for adding suspend/resume events.
>>
>> The devfreq apis are not modified and are kept intact.
>>
>> Signed-off-by: Rajagopal Venkat <rajagopal.venkat@xxxxxxxxxx>
>
> Thank you!
>
>
> Reviewed and Tested (at Exynos4210-Nuri).
>
> Acked-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
>

Rafael,

Can this patchset be queued for v3.7?

Thanks.

>> ---
>>  Documentation/ABI/testing/sysfs-class-devfreq |   8 -
>>  drivers/devfreq/devfreq.c                     | 443 +++++++++++---------------
>>  drivers/devfreq/governor.h                    |  11 +
>>  drivers/devfreq/governor_performance.c        |  16 +-
>>  drivers/devfreq/governor_powersave.c          |  16 +-
>>  drivers/devfreq/governor_simpleondemand.c     |  24 ++
>>  drivers/devfreq/governor_userspace.c          |  23 +-
>>  include/linux/devfreq.h                       |  34 +-
>>  8 files changed, 279 insertions(+), 296 deletions(-)
>>

-- 
Regards,
Rajagopal
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