linux-kernel - Re: [PATCH V4 1/2] dt-bindings: riscv: add MMU Standard Extensions support for Svpbmt

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Date:   Tue, 30 Nov 2021 19:45:19 +0100
From:   Heiko Stübner <heiko@...ech.de>
To:     anup.patel@....com, atishp04@...il.com, palmer@...belt.com,
        guoren@...nel.org, christoph.muellner@...ll.eu,
        philipp.tomsich@...ll.eu, hch@....de, liush@...winnertech.com,
        wefu@...hat.com, lazyparser@...il.com, drew@...gleboard.org,
        linux-riscv@...ts.infradead.org
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        taiten.peng@...onical.com, aniket.ponkshe@...onical.com,
        heinrich.schuchardt@...onical.com, gordan.markus@...onical.com,
        guoren@...ux.alibaba.com, arnd@...db.de, wens@...e.org,
        maxime@...no.tech, dlustig@...dia.com, gfavor@...tanamicro.com,
        andrea.mondelli@...wei.com, behrensj@....edu, xinhaoqu@...wei.com,
        huffman@...ence.com, mick@....forth.gr,
        allen.baum@...erantotech.com, jscheid@...tanamicro.com,
        rtrauben@...il.com, Anup Patel <anup@...infault.org>,
        Rob Herring <robh+dt@...nel.org>, wefu@...hat.com
Subject: Re: [PATCH V4 1/2] dt-bindings: riscv: add MMU Standard Extensions support for Svpbmt

Am Montag, 29. November 2021, 02:40:06 CET schrieb wefu@...hat.com:
> From: Wei Fu <wefu@...hat.com> 
> 
> Previous patch has added svpbmt in arch/riscv and add "riscv,svpmbt"
> in the DT mmu node. Update dt-bindings related property here.
> 
> Signed-off-by: Wei Fu <wefu@...hat.com>
> Co-developed-by: Guo Ren <guoren@...nel.org>
> Signed-off-by: Guo Ren <guoren@...nel.org>
> Cc: Anup Patel <anup@...infault.org>
> Cc: Palmer Dabbelt <palmer@...belt.com>
> Cc: Rob Herring <robh+dt@...nel.org>
> ---
>  Documentation/devicetree/bindings/riscv/cpus.yaml | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
> index aa5fb64d57eb..9ff9cbdd8a85 100644
> --- a/Documentation/devicetree/bindings/riscv/cpus.yaml
> +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
> @@ -63,6 +63,16 @@ properties:
>        - riscv,sv48
>        - riscv,none
>  
> +  mmu:
> +    description:
> +      Describes the CPU's MMU Standard Extensions support.
> +      These values originate from the RISC-V Privileged
> +      Specification document, available from
> +      https://riscv.org/specifications/
> +    $ref: '/schemas/types.yaml#/definitions/string'
> +    enum:
> +      - riscv,svpmbt

shouldn't that be "riscv,svpbmt" ? [the m is at the wrong location it seems]

> +
>    riscv,isa:
>      description:
>        Identifies the specific RISC-V instruction set architecture
>