linux-kernel - Re: [PATCH v3 1/4] dt-bindings: timer: sifive,clint: add legacy riscv compatible

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Message-ID: <20220818163626.GC1978870-robh@kernel.org>
Date:   Thu, 18 Aug 2022 10:36:26 -0600
From:   Rob Herring <robh@...nel.org>
To:     Conor Dooley <mail@...chuod.ie>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Anup Patel <anup@...infault.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Guo Ren <guoren@...nel.org>,
        Sagar Kadam <sagar.kadam@...ive.com>,
        Jessica Clarke <jrtc27@...c27.com>,
        Andrew Jones <ajones@...tanamicro.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, qemu-riscv@...gnu.org
Subject: Re: [PATCH v3 1/4] dt-bindings: timer: sifive,clint: add legacy
 riscv compatible

On Wed, Aug 17, 2022 at 09:12:10PM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
> 
> While "real" hardware might not use the compatible string "riscv,clint0"
> it is present in the driver & QEMU uses it for automatically generated
> virt machine dtbs. To avoid dt-validate problems with QEMU produced
> dtbs, such as the following, add it to the binding.
> 
> riscv-virt.dtb: clint@...0000: compatible:0: 'sifive,clint0' is not one of ['sifive,fu540-c000-clint', 'starfive,jh7100-clint', 'canaan,k210-clint']
> 
> Reported-by: Rob Herring <robh@...nel.org>
> Link: https://lore.kernel.org/linux-riscv/20220803170552.GA2250266-robh@kernel.org/
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> ---
>  .../bindings/timer/sifive,clint.yaml           | 18 ++++++++++++------
>  1 file changed, 12 insertions(+), 6 deletions(-)

Reviewed-by: Rob Herring <robh@...nel.org>