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Date:   Mon, 27 Jun 2022 08:11:46 +0100
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
In-Reply-To: <20220627051257.38543-3-samuel@sholland.org>
References: <20220627051257.38543-1-samuel@sholland.org>
 <20220627051257.38543-3-samuel@sholland.org>
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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...