Re: [PATCH] of/irq: Add a quirk for controllers with their own definition of interrupt-map

From: Marc Zyngier
Date: Tue Nov 23 2021 - 03:33:16 EST

On Tue, 23 Nov 2021 07:57:48 +0000,
Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:

Hi Geert,


> Summarized:
> - Before the bad commit, and after your fix, irqc-rza1 is invoked,
> and the number of interrupts seen is correct, but input events
> are doubled.
> - After the bad commit, irqc-rza1 is not invoked, and there is an
> interrupt storm, but input events are OK.

OK, that's reassuring, even if the "twice the events" stuff isn't what
you'd expect. We at least know this is a separate issue, and that this
patch on top of -rc1 brings you back to the 5.15 behaviour.

I'd expect it to be the case for the other platforms as well.



Without deviation from the norm, progress is not possible.