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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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