linux-kernel - Re: [PATCH v7 04/16] dt-bindings: riscv: Add Andes interrupt controller compatible string

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Date: Fri, 12 Jan 2024 16:31:56 -0800
From: Atish Patra <atishp@...shpatra.org>
To: Conor Dooley <conor@...nel.org>
Cc: Yu Chien Peter Lin <peterlin@...estech.com>, acme@...nel.org, adrian.hunter@...el.com, 
	ajones@...tanamicro.com, alexander.shishkin@...ux.intel.com, 
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	conor+dt@...nel.org, conor.dooley@...rochip.com, devicetree@...r.kernel.org, 
	dminus@...estech.com, evan@...osinc.com, geert+renesas@...der.be, 
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Subject: Re: [PATCH v7 04/16] dt-bindings: riscv: Add Andes interrupt
 controller compatible string

On Fri, Jan 12, 2024 at 4:19 PM Conor Dooley <conor@...nel.org> wrote:
>
> On Fri, Jan 12, 2024 at 03:50:15PM -0800, Atish Patra wrote:
> > On Tue, Jan 9, 2024 at 11:40 PM Yu Chien Peter Lin
> > <peterlin@...estech.com> wrote:
> > >
> > > Add "andestech,cpu-intc" compatible string to indicate that
> > > Andes specific local interrupt is supported on the core,
> > > e.g. AX45MP cores have 3 types of non-standard local interrupt
> > > which can be handled in supervisor mode:
> > >
> >
> > PATCH1 in this series renames everything from ANDESTECH to ANDES to be
> > consistent.
> > Here you are adding DT binding with "andestech". Is there any
> > fundamental difference between these two to demand
> > this change ?
>
> This one is the vendor prefix and the company has been assigned
> "andestech" and they're not getting a second one. The rename of the

Thanks for the clarification.

> variables is a bit gratuitous tbf.
>

I felt the same.

> Cheers,
> Conor.
>
> > FYI: I don't mind either way as I don't have skin in the game. Just
> > something I noticed while reviewing the series.
> >
> > > - Slave port ECC error interrupt
> > > - Bus write transaction error interrupt
> > > - Performance monitor overflow interrupt
> > >
> > > These interrupts are enabled/disabled via a custom register
> > > SLIE instead of the standard interrupt enable register SIE.
> > >
> > > Signed-off-by: Yu Chien Peter Lin <peterlin@...estech.com>
> > > Acked-by: Conor Dooley <conor.dooley@...rochip.com>
> > > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > > ---
> > > Changes v1 -> v2:
> > >   - New patch
> > > Changes v2 -> v3:
> > >   - Updated commit message
> > >   - Fixed possible compatibles for Andes INTC
> > > Changes v3 -> v4:
> > >   - Add const entry instead of enum (Suggested by Conor)
> > > Changes v4 -> v5:
> > >   - Include Conor's Acked-by
> > >   - Include Prabhakar's Reviewed-by
> > > Changes v5 -> v6:
> > >   - No change
> > > Changes v6 -> v7:
> > >   - No change
> > > ---
> > >  Documentation/devicetree/bindings/riscv/cpus.yaml | 6 +++++-
> > >  1 file changed, 5 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
> > > index 23646b684ea2..33c2b620a59f 100644
> > > --- a/Documentation/devicetree/bindings/riscv/cpus.yaml
> > > +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
> > > @@ -101,7 +101,11 @@ properties:
> > >          const: 1
> > >
> > >        compatible:
> > > -        const: riscv,cpu-intc
> > > +        oneOf:
> > > +          - items:
> > > +              - const: andestech,cpu-intc
> > > +              - const: riscv,cpu-intc
> > > +          - const: riscv,cpu-intc
> > >
> > >        interrupt-controller: true
> > >
> > > --
> > > 2.34.1
> > >
> >
> >
> > --
> > Regards,
> > Atish



-- 
Regards,
Atish