Re: [PATCH 2/2] rv8803: add irq-gpio optional dts attribute

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On 02/11/2021 08:40:53+0900, Dominique Martinet wrote:
> Alexandre Belloni wrote on Mon, Nov 01, 2021 at 11:48:46PM +0100:
> > On 01/11/2021 10:34:00+0900, Dominique Martinet wrote:
> > > Some device cannot be woken up from i2c signal.
> > > Add a new irq-gpio attribute for devices which have a gpio connected to
> > > the rv8803 INT line so the rtc can be used for suspend to mem
> > 
> > I don't think this is right, the interrupts property of the rtc node can
> > point to a gpio and this is expected to be the one connected on INT. You
> > don't need another property.
> 
> Oh, why didn't I know about such a useful property.
> 
> I thought I'd have a problem with the device wakeup part but there also
> is another 'wakeup-source' property, so there is really nothing left to
> do for this patch.
> Thank you for the pointer, no code is the best code!
> 

I'd say that you may still need the device_init_wakeup and
dev_pm_set_wake_irq calls.


-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com



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