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SubjectRe: [RFD] Automatic suspend
On Mon, 16 Feb 2009 14:23:41 +1100
Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:

> On Sun, 2009-02-15 at 18:20 -0800, Arjan van de Ven wrote:
> > what this needs is a separation between "interface down, all off"
> > and "interface down enough so that link detection works".
> > Some NICs can go all the way down and still do link detection,
> > others cannot. This is obviously something the driver will know,
> > nothing else in the system should know.
>
> Sure, my point was just that the driver cannot make the decision to go
> all-off (and thus not detect link) without some kind of user setting
> allowing it to do so.

to a very large degree, "want linkdetection" is a form of keeping the
device open.. even if the current code doesn't quite work that way
(maybe it should)



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


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