[PATCH v3 20/25] irqchip/gic-v5: Add GICv5 PPI support

Marc Zyngier maz at kernel.org
Wed May 7 06:52:18 PDT 2025


On Wed, 07 May 2025 14:42:42 +0100,
Thomas Gleixner <tglx at linutronix.de> wrote:
> 
> On Wed, May 07 2025 at 10:14, Marc Zyngier wrote:
> > On Tue, 06 May 2025 16:00:31 +0100,
> > Thomas Gleixner <tglx at linutronix.de> wrote:
> >> 
> >> How does this test distinguish between LEVEL_LOW and LEVEL_HIGH? It only
> >> tests for level, no? So the test is interesting at best ...
> >
> > There is no distinction between HIGH and LOW, RISING and FALLING, in
> > any revision of the GIC architecture.
> 
> Then pretending that there is a set_type() functionality is pretty daft

You still need to distinguish between level and edge when this is
programmable (which is the case for a subset of the PPIs).

	M.

-- 
Without deviation from the norm, progress is not possible.



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