[PATCH v2] ARM: OMAP4: PM: Avoid expensive cpu_suspend() path for all CPU power states except off

[santosh.shilimkar@ti.com (Santosh Shilimkar)]

On Wednesday 13 March 2013 11:12 PM, Kevin Hilman wrote:
> Santosh Shilimkar <santosh.shilimkar@ti.com> writes:
> 
>> Kevin,
>>
>> On Wednesday 13 February 2013 02:25 PM, Santosh Shilimkar wrote:
>>> Current CPU PM code code make use of common cpu_suspend() path for all the
>>> CPU power states which is not optimal. In fact cpu_suspend() path is needed
>>> only when we put CPU power domain to off state where the CPU context is lost.
>>>
>>> Update the code accordingly so that the expensive cpu_suspend() path
>>> can be avoided for the shallow CPU power states like CPU PD INA/CSWR.
>>>
>>> The patch has been tested on OMAP4430 and OMAP5430(with few out of tree patches)
>>> devices for suspend and CPUidle.
>>>
>>> Cc: Kevin Hilman <khilman@deeprootsystems.com>
>>>
>>> Reported-by: Richard Woodruff <r-woodruff2@ti.com>
>>> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
>>> ---
>>> Update changelog to include testing details as suggested
>>> by Kevin Hilman.
>>>
>> Ping.
>> It can get into rc's but since it is not strict regression,
>> and if it has to wait for 3.10 then I can add this one
>> along with rest of the PM patches posted towards 3.10
>>
>> Either way, let me know.
> 
> I have this updated one queued for v3.10 in my PM cleanup branch
> (for_3.10/cleanup/pm)
> 
Thanks Kevin.

Regards,
Santosh