From: Marc Zyngier <maz@kernel.org>
To: Sander Vanheule <sander@svanheule.net>
Cc: Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Birger Koblitz <mail@birger-koblitz.de>,
Bert Vermeulen <bert@biot.com>, John Crispin <john@phrozen.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 0/4] Per-parent domains for realtek-rtl IRQ driver
Date: Tue, 15 Feb 2022 12:09:18 +0000 [thread overview]
Message-ID: <87czjo49ht.wl-maz@kernel.org> (raw)
In-Reply-To: <cover.1644864700.git.sander@svanheule.net>
On Mon, 14 Feb 2022 18:56:57 +0000,
Sander Vanheule <sander@svanheule.net> wrote:
>
> The original implementation for this interrupt controller/router used
> an interrupt-map parser to determine which parent interrupts were
> present. However, this controller is not transparent, so a list of
> parent interrupts seems more appropriate, while also getting rid of the
> assumed routing to parent interrupts.
>
> Additionally, N real cascaded interrupts are implemented, instead of
> handling all input interrupts with one cascaded interrupt. Otherwise it
> is possible that the priority of the parent interrupts is not respected.
My original question[1] still stands. An old kernel breaks with a new
DT. I am not convinced that this is an acceptable outcome.
M.
[1] https://lore.kernel.org/all/874k585efy.wl-maz@kernel.org
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2022-02-15 12:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-14 18:56 [PATCH v5 0/4] Per-parent domains for realtek-rtl IRQ driver Sander Vanheule
2022-02-14 18:56 ` [PATCH v5 1/4] irqchip/realtek-rtl: use irq_domain_add_linear Sander Vanheule
2022-02-14 18:56 ` [PATCH v5 2/4] dt-bindings: interrupt-controller: realtek,rtl-intc: require parents Sander Vanheule
2022-02-14 18:57 ` [PATCH v5 3/4] irqchip/realtek-rtl: use parent interrupts Sander Vanheule
2022-02-14 18:57 ` [PATCH v5 4/4] irqchip/realtek-rtl: use per-parent domains Sander Vanheule
2022-02-15 12:09 ` Marc Zyngier [this message]
2022-02-28 12:57 ` [PATCH v5 0/4] Per-parent domains for realtek-rtl IRQ driver Sander Vanheule
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