From: Marc Zyngier <maz@kernel.org>
To: Sander Vanheule <sander@svanheule.net>
Cc: Thomas Gleixner <tglx@linutronix.de>,
devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Birger Koblitz <mail@birger-koblitz.de>,
Bert Vermeulen <bert@biot.com>, John Crispin <john@phrozen.org>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v1 3/4] dt-bindings: interrupt-controller: realtek,rtl-intc: replace irq mapping
Date: Thu, 23 Dec 2021 18:00:36 +0000 [thread overview]
Message-ID: <87y24byzej.wl-maz@kernel.org> (raw)
In-Reply-To: <8a5931f18a6f1c92f8c8e4965dc65674d7e5a4c4.1640261161.git.sander@svanheule.net>
On Thu, 23 Dec 2021 12:08:33 +0000,
Sander Vanheule <sander@svanheule.net> wrote:
>
> The binding incorrectly specified the "interrupt-map" property should be
> used, although the use is non-standard. A quirk had to be introduced in
> commit de4adddcbcc2 ("of/irq: Add a quirk for controllers with their own
> definition of interrupt-map") to allow the driver to function again.
That's too late. We have released a kernel with this binding, and it
will live on forever until we totally remove the platform from the
tree.
DT is an ABI, and only time travel can fix this blunder.
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2021-12-23 18:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-23 12:08 [RFC PATCH v1 0/4] Rework realtek-rtl IRQ driver Sander Vanheule
2021-12-23 12:08 ` [RFC PATCH v1 1/4] irqchip: realtek-rtl: map control data to virq Sander Vanheule
2021-12-23 12:08 ` [RFC PATCH v1 2/4] irqchip: realtek-rtl: use per-parent irq handling Sander Vanheule
2021-12-23 17:57 ` Marc Zyngier
2021-12-23 19:17 ` Sander Vanheule
2021-12-23 12:08 ` [RFC PATCH v1 3/4] dt-bindings: interrupt-controller: realtek,rtl-intc: replace irq mapping Sander Vanheule
2021-12-23 18:00 ` Marc Zyngier [this message]
2021-12-23 19:29 ` Sander Vanheule
2021-12-27 10:04 ` Marc Zyngier
2021-12-27 10:15 ` Sander Vanheule
2021-12-23 12:08 ` [RFC PATCH v1 4/4] irqchip: realtek-rtl: replace custom interrupt-map Sander Vanheule
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