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    SubjectRe: [PATCHv9 07/18] mfd: omap-prm: added suspend prepare and complete callbacks
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    Hi Kevin,

    On Fri, 2011-11-18 at 11:02 -0800, Kevin Hilman wrote:
    > Tero Kristo <t-kristo@ti.com> writes:
    >
    > > These are needed because runtime PM is disabled during suspend, and
    > > it is bad if we get interrupts from the PRCM chain handler during it.
    > > Now, PRCM interrupt forwarding is disabled until the suspend->complete,
    > > which makes sure that all the needed drivers are up.
    >
    > Just to clarify... based on reading the patch, the wakeup and PRCM
    > interrupts themselves still happen (and are saved). They are just not
    > dispatched to the drivers until ->complete().
    >

    Yea, this is true. We just postpone the dispatching until ->complete().
    This is accomplished by disabling all the interrupts from the mask
    register once a wakeup interrupt happens, saving the mask, and restoring
    it at complete() which triggers the pending interrupts again.

    > I think the changelog should be a bit clearer about that.

    I can take a look at this for the next version.

    -Tero

    >
    > Thanks,
    >
    > Kevin




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