Re: [RFD] Automatic suspend

[Mark Brown]

On Mon, Feb 16, 2009 at 11:23:30PM +0000, Matthew Garrett wrote:

> Arve said that the power state was equivalent in idle and suspend, but 
> that they preferred suspend because it stopped any periodic timers. I'd 
> be more interested in making sure that unnecessary timers aren't running 
> than focusing on automatically entering system-wide suspend - Nokia have 
> been managing this since 2005 with good results.

Definitely.  Even in the embedded case there is hardware which takes a
relatively long time to fully power down and resume without winning an
enormous amount on the power front (analogue stuff is a common culprit
here, it can take a noticable amount of time to bring it up cleanly).
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