Re: [RFC PATCH] PM / wakeirq: fix wakeirq setting after wakup re-configuration from sysfs

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On Thursday, April 07, 2016 10:56:01 AM Tony Lindgren wrote:
> * Grygorii Strashko <grygorii.strashko@xxxxxx> [160406 04:47]:
> > Now wakeirq stops working for device if wakeup option for
> > this device will be reconfigured through sysfs, like:
> > 
> > echo disabled > /sys/devices/platform/extcon_usb1/power/wakeup
> > echo enabled > /sys/devices/platform/extcon_usb1/power/wakeup
> > 
> > Once above set of commands is executed the device's wakeup_source
> > opject will be recreated and dev->power.wakeup->wakeirq field will
> > contain NULL. As result, device_wakeup_arm_wake_irqs() will not arm
> > wakeirq for the affected device.
> > 
> > Hece, lets try to fix it in the following way:
> >   check for dev->wakeirq field when device_wakeup_attach() is called
> >   and if !NULL re-attach wakeirq to the device
> 
> Yeah I think that's all there is to it, thanks for fixing it:
> 
> Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>

Applied, thanks!

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