Messages in this thread | | | Date | Sun, 6 Jun 2010 14:31:30 +0100 | From | Matthew Garrett <> | Subject | Re: [linux-pm] suspend blockers & Android integration |
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On Sun, Jun 06, 2010 at 12:00:47PM +0200, Vitaly Wool wrote:
> Sure, but my point was, some non-trivial (still kind of natural for a > smartphone) activities with the device will prevent it from suspending > for quite some time. Even worse, the suspend wakelock will keep the > whole kernel active, as opposed to powering off unused devices > separately as it's done in runtime PM. Yep, I know about the "early > suspend" type of thing; yet it's excess, not mainlined and lacks > granularity.
Holding a suspend blocker is entirely orthogonal to runtime pm. The "whole kernel" will not be "active" - it can continue to hit the same low power state in the idle loop, and any runtime pm implementation in the drivers will continue to be active.
-- Matthew Garrett | mjg59@srcf.ucam.org
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