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

From: [email-masked] (Santosh Shilimkar)
Date: Mon, 11 Mar 2013 16:39:20 +0530

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 <[email-masked]>
> 
> Reported-by: Richard Woodruff <[email-masked]>
> Signed-off-by: Santosh Shilimkar <[email-masked]>
> ---
> 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.

Regards,
Santosh