[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20511a05f39408c8ffbcc98923c4abd2@kernel.org>
Date: Mon, 27 Jun 2022 08:11:46 +0100
From: Marc Zyngier <maz@...nel.org>
To: Samuel Holland <samuel@...lland.org>
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
Prabhakar <prabhakar.csengg@...il.com>,
Sagar Kadam <sagar.kadam@...ive.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
linux-renesas-soc@...r.kernel.org, Guo Ren <guoren@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Thomas Gleixner <tglx@...utronix.de>,
Biju Das <biju.das.jz@...renesas.com>,
Albert Ou <aou@...s.berkeley.edu>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v1 2/3] irqchip/sifive-plic: Name the chip more
generically
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...
Powered by blists - more mailing lists