On Friday 13 July 2012 08:31 AM, Menon, Nishanth wrote:

my Crib about the above apis are lack of logic power state handling:(
which forces code like cpuidle to use different apis for logic
power state and force them to use these apis just for pwrst.

Have you looked at an alternate approach that was proposed here..
https://patchwork.kernel.org/patch/1160431/