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

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Message-ID: <87ecx0mt9p.ffs@tglx>
Date: Wed, 07 May 2025 15:42:42 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Marc Zyngier <maz@...nel.org>
Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>, Rob Herring
 <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Catalin Marinas <catalin.marinas@....com>, Will
 Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>, Sascha Bischoff
 <sascha.bischoff@....com>, Timothy Hayes <timothy.hayes@....com>, "Liam R.
 Howlett" <Liam.Howlett@...cle.com>, Mark Rutland <mark.rutland@....com>,
 Jiri Slaby <jirislaby@...nel.org>, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 20/25] irqchip/gic-v5: Add GICv5 PPI support

On Wed, May 07 2025 at 10:14, Marc Zyngier wrote:
> On Tue, 06 May 2025 16:00:31 +0100,
> Thomas Gleixner <tglx@...utronix.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