From: Marc Zyngier <maz@kernel.org>
To: Samuel Holland <samuel@sholland.org>
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Prabhakar <prabhakar.csengg@gmail.com>,
Sagar Kadam <sagar.kadam@sifive.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
linux-renesas-soc@vger.kernel.org, Guo Ren <guoren@kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Thomas Gleixner <tglx@linutronix.de>,
Biju Das <biju.das.jz@bp.renesas.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org
Subject: Re: [PATCH v1 2/3] irqchip/sifive-plic: Name the chip more generically
Date: Mon, 27 Jun 2022 08:11:46 +0100 [thread overview]
Message-ID: <20511a05f39408c8ffbcc98923c4abd2@kernel.org> (raw)
In-Reply-To: <20220627051257.38543-3-samuel@sholland.org>
On 2022-06-27 06:12, Samuel Holland wrote:
> The interface for SiFive's PLIC was adopted and clarified by RISC-V as
> the standard PLIC interface. Now that several PLIC implementations by
> different vendors share this same interface, it is somewhat misleading
> to report "SiFive PLIC" to userspace, when no SiFive hardware may be
> present. This is especially the case when some implementations are
> subtly incompatible with the binding and behavior of the SiFive PLIC,
> yet are similar enough to share a driver.
Too late. This is ABI, and not changing, exactly because userspace
sees it.
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2022-06-27 7:11 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-27 5:12 [PATCH v1 0/3] irqchip/sifive-plic: Fix T-HEAD PLIC edge trigger handling Samuel Holland
2022-06-27 5:12 ` [PATCH v1 1/3] dt-bindings: interrupt-controller: Require trigger type for T-HEAD PLIC Samuel Holland
2022-06-27 7:40 ` Guo Ren
2022-06-27 14:14 ` Samuel Holland
2022-06-28 3:04 ` Guo Ren
2022-06-28 7:55 ` Guo Ren
2022-06-27 5:12 ` [PATCH v1 2/3] irqchip/sifive-plic: Name the chip more generically Samuel Holland
2022-06-27 6:50 ` Guo Ren
2022-06-27 7:11 ` Marc Zyngier [this message]
2022-06-27 13:40 ` Samuel Holland
2022-06-27 5:12 ` [PATCH v1 3/3] irqchip/sifive-plic: Fix T-HEAD PLIC edge trigger handling Samuel Holland
2022-06-27 7:27 ` Marc Zyngier
2022-06-27 13:58 ` Samuel Holland
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