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    SubjectRe: [PATCH V1] mfd: tps65910: Add wakeup support
    On Sat, Jan 21, 2012 at 04:54:52PM +0530, Laxman Dewangan wrote:

    > During initialization of device, we need to tell that device is
    > wakeup capable and hence we need to call the: device_wakeup_init()
    > and device_set_wakeup_capable(dev, true).
    > Then it exposes the required sysfs to userspace to select the wakeup
    > enable or not i.e. power/wakeup to be written as enabled or
    > disabled.
    > Based on user selection, the function device_may_wakeup() will
    > return true/false based on power/wakeup enabled/disabled. So before
    > entering into the suspend, we need to check this function and call
    > enable_irq_wakeup() to have the wakeup enabled actually in the soc.
    > In resume we need to call disable_irq_wake() again.

    Yes, that sounds about right. You don't strictly need to worry about
    the wake setup except when suspending but it tends to be easier to
    implement that way.


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