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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
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Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)
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From: Kevin Hilman <khilman@deeprootsystems.com>
Organization: Deep Root Systems, LLC
Date: Wed, 26 May 2010 08:19:21 -0700
In-Reply-To: <20100526141612.3e2e0443@lxorguk.ukuu.org.uk> (Alan Cox's message of "Wed\, 26 May 2010 14\:16\:12 +0100")
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Alan Cox <alan@lxorguk.ukuu.org.uk> writes:

> [1] Note I disagree with Kevin here on static/dynamic power management.
> There are IMHO two types of PM but they are 'user invoked' and
> 'automatic'. "Static" simply means it's not been made fast enough yet but
> its just a policy divide dependant on the users 'acceptable' resume time
> (which for hard RT may just as well rule out some more usual power states)

Completely agree with this.

I used the static/dynamic names out of habit, but since on most
embedded devices, there is really no difference in hardware power
state, I agree that the difference is only a matter of wakeup latency.

Kevin