linux-kernel - Re: [PATCH v1 3/6] of: irq: add wake capable bit to of_irq

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Date: Thu, 14 Dec 2023 14:05:16 -0700
From: Mark Hasemeyer <markhas@...omium.org>
To: Rob Herring <robh@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, Raul Rangel <rrangel@...omium.org>, 
	Frank Rowand <frowand.list@...il.com>, devicetree@...r.kernel.org
Subject: Re: [PATCH v1 3/6] of: irq: add wake capable bit to of_irq_resource()

> If a device has multiple interrupts, but none named "wakeup" you are
> saying all the interrupts are wakeup capable. That's not right though.
> Only the device knows which interrupts are wakeup capable. You need:
>
> return wakeindex >= 0 && wakeindex == index;

I was assuming logic described in the DT bindings:
https://www.kernel.org/doc/Documentation/devicetree/bindings/power/wakeup-source.txt
"Also, if device is marked as a wakeup source, then all the primary
interrupt(s) can be used as wakeup interrupt(s)."