[linux-pm] uevent before resume completion

[Pavel Machek]

On Mon 2008-09-22 17:19:59, Yauhen Kharuzhy wrote:
> Hi.
> 
> We have an ARM board which does wakeup on USB cable connection to
> it. In our power supply driver "USB connect" interrupt handler calls
> power_supply_changed() which cause generation of uevent (in
> power_supply_changed_work() ). But usermodehelper_disabled
> still equals to 1 because resume process is not finished yet and
> userspace helper is not executed.
> 
> How to fix this behaviour without breaking other kernel parts? We
> definitely need to invoke userspace helper on USB cable insertion. Yes,
> we can generate event after some time with timer but I think that a more
> elegant solution can be found.

If you do it such that your 'delayed uevent' code can be reused by
other subsystems, it should not be too bad...
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