Re: [PATCH v2] of/irq: Add a quirk for controllers with their own definition of interrupt-map

[Rob Herring]

On Wed, 01 Dec 2021 11:41:02 +0000, Marc Zyngier wrote:
> Since 041284181226 ("of/irq: Allow matching of an interrupt-map local
> to an interrupt controller"), a handful of interrupt controllers have
> stopped working correctly. This is due to the DT exposing a non-sensical
> interrupt-map property, and their drivers relying on the kernel ignoring
> this property.
> 
> Since we cannot realistically fix this terrible behaviour, add a quirk
> for the limited set of devices that have implemented this monster,
> and document that this is a pretty bad practice.
> 
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: John Crispin <john@xxxxxxxxxxx>
> Cc: Biwen Li <biwen.li@xxxxxxx>
> Cc: Chris Brandt <chris.brandt@xxxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: Sander Vanheule <sander@xxxxxxxxxxxxx>
> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
> ---
> 
> Notes:
>     v2: Switched over to of_device_compatible_match() as per Rob's
>         request.
> 
>  drivers/of/irq.c | 28 ++++++++++++++++++++++++++--
>  1 file changed, 26 insertions(+), 2 deletions(-)
> 

Applied, thanks!