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Date: Mon, 16 Feb 2009 09:31:08 -0800
From: Arjan van de Ven <arjan@infradead.org>
To: Oliver Neukum <oliver@neukum.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
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       Igor Stoppa <igor.stoppa@nokia.com>,
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Subject: Re: [RFD] Automatic suspend
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On Mon, 16 Feb 2009 17:48:06 +0100
Oliver Neukum <oliver@neukum.org> wrote:

> > Userspace should just be the part that says "I'm interested in link
> > notifications". The driver then just goes to the lowest power state
> > for its device that still gives those notifications.
> 
> Should there be a channel through which drivers can tell user space
> what the consequences in terms of reaching a sleep state are if a
> service is requested?

Personally, I don't think so.
Think about it: what would userspace do?
Not ask for the functionality if it means no sleep state?
Maybe it should just never ask for it then as a required functionality!



-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org