[RFC 2/4] ARM: OMAP: PM: Get rid of Powerdomain book-keeping from cpuidle
From: Rajendra Nayak <hidden>
Date: 2012-07-26 11:43:51
Also in:
linux-omap
On Thursday 26 July 2012 04:13 AM, Kevin Hilman wrote:
Tero Kristo[off-list ref] writes:quoted
quoted
On Fri, 2012-07-20 at 13:38 +0530, Rajendra Nayak wrote:quoted
quoted
On Friday 20 July 2012 12:55 PM, Shilimkar, Santosh wrote:quoted
> On Fri, Jul 20, 2012 at 11:34 AM, Rajendra Nayak[off-list ref] wrote:quoted
>> pwrdm_pre_transition()/pwrdm_post_transition() have always been high latency >> operations done within cpuidle to do Powerdomain level book-keeping to know >> what state transitions for different Powerdomains have been triggered. >> This is also useful to do a restore-on-demand in some cases when we know >> the context for the given Powerdomain was lost etc. >> >> Now that we have definitive entry/exit points (thanks to the Powerdomain >> level usecounting) for Powerdomain transitions, these book-keeping functions >> can very well be moved from within CPUidle into pwrdm_clkdm_enable()/pwrdm_ >> clkdm_disable() functions. >> >> Also rename _pwrdm_pre/post_transition_cb() to pwrdm_pre/post_transition() >> and get rid of the original ones which iterate over all powerdomains. >> >> Signed-off-by: Rajendra Nayak[off-list ref]This is excellent! Thanks for working on this. However, it needs a rebase against mainline though because I merged a set of optimizations[1] to this code already that only calls pre/post per-pwrdm.
Sure Kevin, I'll repost this series once 3.6-rc1 is out.