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    SubjectRe: [PATCH v2] Add suspend/resume for HPET
    On Sat, Mar 31, 2007 at 09:53:43AM -0700, Linus Torvalds wrote:
    > Make them be at the top of the device tree by adding them early. That's
    > the whole point of the device tree after all - we have an ordering that is
    > enforced by its topology, and that we sort by when things were added.
    >
    > Right now the way things work is (iirc - somebody like Greg should
    > double-check me) is that we add all devices to the power list at
    > device_add() time by traversing the devices fromt he root all the way out,
    > and doing a device_add() which does a device_pm_add(), which in turn adds
    > it to the power-management list - so that the list is always topologically
    > sorted.

    Yes, this is how it works (or if not, then there's a bug that needs to
    be fixed, as that is how it _should_ work...)

    thanks,

    greg k-h
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