linux-kernel - Re: [RESEND PATCH V3 1/2] dt-bindings: riscv: add mmu-supports-svpbmt for Svpbmt

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Date:   Mon, 25 Oct 2021 14:09:20 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Wei Fu <wefu@...hat.com>
Cc:     Anup Patel <anup.patel@....com>, Atish Patra <atish.patra@....com>,
        Palmer Dabbelt <palmerdabbelt@...gle.com>,
        Christoph Müllner <christoph.muellner@...ll.eu>,
        Philipp Tomsich <philipp.tomsich@...ll.eu>,
        Christoph Hellwig <hch@....de>,
        liush <liush@...winnertech.com>,
        Wei Wu (吴伟) <lazyparser@...il.com>,
        Drew Fustini <drew@...gleboard.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        taiten.peng@...onical.com,
        Aniket Ponkshe <aniket.ponkshe@...onical.com>,
        Heinrich Schuchardt <heinrich.schuchardt@...onical.com>,
        Gordan Markus <gordan.markus@...onical.com>,
        Guo Ren <guoren@...ux.alibaba.com>,
        Arnd Bergmann <arnd@...db.de>, Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <maxime@...no.tech>,
        Daniel Lustig <dlustig@...dia.com>,
        Greg Favor <gfavor@...tanamicro.com>,
        Andrea Mondelli <andrea.mondelli@...wei.com>,
        Jonathan Behrens <behrensj@....edu>,
        "Xinhaoqu (Freddie)" <xinhaoqu@...wei.com>,
        Bill Huffman <huffman@...ence.com>,
        Nick Kossifidis <mick@....forth.gr>,
        Allen Baum <allen.baum@...erantotech.com>,
        Josh Scheid <jscheid@...tanamicro.com>,
        Richard Trauben <rtrauben@...il.com>,
        Anup Patel <anup@...infault.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [RESEND PATCH V3 1/2] dt-bindings: riscv: add mmu-supports-svpbmt
 for Svpbmt

On Mon, Oct 25, 2021 at 12:06 PM <wefu@...hat.com> wrote:
>
> From: Wei Fu <wefu@...hat.com>
>
> Previous patch has added svpbmt in arch/riscv and changed the
> DT mmu-type. 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 | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
> index e534f6a7cfa1..76f324d85e12 100644
> --- a/Documentation/devicetree/bindings/riscv/cpus.yaml
> +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
> @@ -59,6 +59,11 @@ properties:
>        - riscv,sv48
>        - riscv,none
>
> +  mmu-supports-svpbmt:
We need a "type: boolean" here.

ref: Documentation/devicetree/bindings/serial/8250.yaml
  used-by-rtas:
    type: boolean
    description: |
      Set to indicate that the port is in use by the OpenFirmware RTAS and
      should not be registered.

> +    description:
> +      Describes the CPU's mmu-supports-svpbmt support
> +    $ref: '/schemas/types.yaml#/definitions/phandle'
> +

-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/