linux-kernel - Re: [PATCH 2/2] dt-bindings: riscv: fix single letter canonical order

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Message-ID: <CAJF2gTSoySxChy5cgQeL6-4bGmXF5YnUKJRgL5FnE3K6Z9Xt+w@mail.gmail.com>
Date:   Fri, 25 Nov 2022 09:13:25 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Conor Dooley <conor.dooley@...rochip.com>
Cc:     linux-riscv@...ts.infradead.org, Conor Dooley <conor@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Heiko Stuebner <heiko@...ech.de>,
        Andrew Jones <ajones@...tanamicro.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: riscv: fix single letter canonical order

On Thu, Nov 24, 2022 at 9:06 PM Conor Dooley <conor.dooley@...rochip.com> wrote:
>
> I used the wikipedia table for ordering extensions when updating the
> pattern here in foo.
> Unfortunately that table did not match canonical order, as defined by
> the RISC-V ISA Manual, which defines extension ordering in (what is
> currently) Table 41, "Standard ISA extension names". Fix things up by
> re-sorting v (vector) and adding p (packed-simd) & j (dynamic
> languages). The e (reduced integer) and g (general) extensions are still
> intentionally left out.
>
> Link: https://github.com/riscv/riscv-isa-manual/releases/tag/riscv-unpriv-pdf-from-asciidoc-15112022 # Chapter 29.5
> Fixes: 299824e68bd0 ("dt-bindings: riscv: add new riscv,isa strings for emulators")
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> ---
>  Documentation/devicetree/bindings/riscv/cpus.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
> index e80c967a4fa4..b7462ea2dbe4 100644
> --- a/Documentation/devicetree/bindings/riscv/cpus.yaml
> +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
> @@ -80,7 +80,7 @@ properties:
>        insensitive, letters in the riscv,isa string must be all
>        lowercase to simplify parsing.
>      $ref: "/schemas/types.yaml#/definitions/string"
> -    pattern: ^rv(?:64|32)imaf?d?q?c?b?v?k?h?(?:z(?:[a-z])+)?(?:_[hsxz](?:[a-z])+)*$
> +    pattern: ^rv(?:64|32)imaf?d?q?c?b?k?j?p?v?h?(?:z(?:[a-z])+)?(?:_[hsxz](?:[a-z])+)*$
Acked-by: Guo Ren <guoren@...nel.org>

>
>    # RISC-V requires 'timebase-frequency' in /cpus, so disallow it here
>    timebase-frequency: false
> --
> 2.38.1
>


-- 
Best Regards
 Guo Ren