Re: [PATCH] dt-bindings: interrupt-controller: arm,gic-v3: Fix EPPI range

From: Geert Uytterhoeven

Date: Wed Mar 04 2026 - 10:18:00 EST


Hi Marc,

On Wed, 4 Mar 2026 at 15:32, Marc Zyngier <maz@xxxxxxxxxx> wrote:
> On Wed, 04 Mar 2026 14:04:10 +0000,
> Geert Uytterhoeven <geert+renesas@xxxxxxxxx> wrote:
> >
> > According to the "Arm Generic Interrupt Controller (GIC) Architecture
> > Specification, v3 and v3", revision H.b[1], there can be only 64
>
> v3 and v4?

Doh, no one is immune to hallucinations ;-)

> > Extended PPI interrupts.
> >
> > [1] https://developer.arm.com/documentation/ihi0069/hb/
> >
> > Fixes: 4b049063e0bcbfd3 ("dt-bindings: interrupt-controller: arm,gic-v3: Describe EPPI range support")
> > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> > ---
> > .../devicetree/bindings/interrupt-controller/arm,gic-v3.yaml | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml
> > index bfd30aae682bf3f7..360a0643a0b567a4 100644
> > --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml
> > +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml
> > @@ -50,7 +50,7 @@ properties:
> > The 2nd cell contains the interrupt number for the interrupt type.
> > SPI interrupts are in the range [0-987]. PPI interrupts are in the
> > range [0-15]. Extended SPI interrupts are in the range [0-1023].
> > - Extended PPI interrupts are in the range [0-127].
> > + Extended PPI interrupts are in the range [0-63].
> >
> > The 3rd cell is the flags, encoded as follows:
> > bits[3:0] trigger type and level flags.
>
> Duh. Thankfully the code didn't have the same problem... Thanks for
> noticing it. With the above fixed:
>
> Brain-farted-by: Marc Zyngier <maz@xxxxxxxxxx>

Is that a common and acceptable tag? ;-)

> Acked-by: Marc Zyngier <maz@xxxxxxxxxx>

Thanks!

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds