linux-kernel - Re: [PATCH 1/3] dt-bindings: sifive-ccache: rename SiFive L2 cache to composible cache

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Date:   Mon, 29 Aug 2022 15:38:38 +0800
From:   Zong Li <zong.li@...ive.com>
To:     Conor Dooley <Conor.Dooley@...rochip.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        krzysztof.kozlowski+dt@...aro.org,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Greentime Hu <greentime.hu@...ive.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] dt-bindings: sifive-ccache: rename SiFive L2 cache to
 composible cache

On Mon, Aug 29, 2022 at 2:45 PM <Conor.Dooley@...rochip.com> wrote:
>
> Hey Zong,
> Couple quick comments for you:
>
> On 29/08/2022 07:22, Zong Li wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > Since composible cache may be L3 cache if private L2 cache exists, it
>
> s/composible/composable
>
> > should use its original name composible cache to prevent confusion.
>
> s/composible/composable
>

I will fix it in each patch.

> >
> > Signed-off-by: Greentime Hu <greentime.hu@...ive.com>
> > Signed-off-by: Zong Li <zong.li@...ive.com>
> > ---
> >   .../riscv/{sifive-l2-cache.yaml => sifive-ccache.yaml}      | 6 ++++--
> >   1 file changed, 4 insertions(+), 2 deletions(-)
> >   rename Documentation/devicetree/bindings/riscv/{sifive-l2-cache.yaml => sifive-ccache.yaml} (92%)
> >
> > diff --git a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml b/Documentation/devicetree/bindings/riscv/sifive-ccache.yaml
> > similarity index 92%
> > rename from Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
> > rename to Documentation/devicetree/bindings/riscv/sifive-ccache.yaml
> > index 69cdab18d629..1a64a5384e36 100644
> > --- a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
> > +++ b/Documentation/devicetree/bindings/riscv/sifive-ccache.yaml
>
> Binding filenames are supposed to match the first compatible. Since
> it was not named that way in the first place, I suppose naming after
> the generic compatible makes the most sense. The correct filename
> would then be "sifive,ccache0.yaml"
>

Thanks for pointing this out. Let me change the filename.

> > @@ -12,8 +12,8 @@ maintainers:
> >     - Paul Walmsley  <paul.walmsley@...ive.com>
> >
> >   description:
> > -  The SiFive Level 2 Cache Controller is used to provide access to fast copies
> > -  of memory for masters in a Core Complex. The Level 2 Cache Controller also
> > +  The SiFive Composable Cache Controller is used to provide access to fast copies
> > +  of memory for masters in a Core Complex. The Composable Cache Controller also
> >     acts as directory-based coherency manager.
> >     All the properties in ePAPR/DeviceTree specification applies for this platform.
> >
> > @@ -27,6 +27,7 @@ select:
> >           enum:
> >             - sifive,fu540-c000-ccache
> >             - sifive,fu740-c000-ccache
> > +          - sifive,ccache0
>
> Despite what the commit message says, this is more than a rename.
> Thanks,
> Conor.
>
> >
> >     required:
> >       - compatible
> > @@ -37,6 +38,7 @@ properties:
> >         - enum:
> >             - sifive,fu540-c000-ccache
> >             - sifive,fu740-c000-ccache
> > +          - sifive,ccache0
> >         - const: cache
> >
> >     cache-block-size:
> > --
> > 2.17.1
> >
>