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

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Message-ID: <YYB7BXuLXWuiWGw6@atmark-techno.com>
Date:   Tue, 2 Nov 2021 08:40:53 +0900
From:   Dominique Martinet <dominique.martinet@...ark-techno.com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Marek Vasut <marex@...x.de>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH 2/2] rv8803: add irq-gpio optional dts attribute

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!


Rob Herring wrote on Mon, Nov 01, 2021 at 07:53:52AM -0500:
> Please send DT patches to the DT list.
> 
> Binding changes should be a separate patch.

Ack, I'll do that for new patches onwards. It looks like a DT change
will not be required here but I will remember this.


Thanks,
-- 
Dominique