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From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Date: Mon, 12 Feb 2024 17:53:28 +0000
Message-ID: <CA+V-a8t2c30g8vDeACagqPTiNPq4oVUT2nFXaSD=AoDCyKXK7Q@mail.gmail.com>
Subject: Re: [PATCH v2 1/3] dt-bindings: interrupt-controller:
 renesas,rzg2l-irqc: Update interrupts
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Thomas Gleixner <tglx@linutronix.de>, Rob Herring <robh+dt@kernel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, 
	Magnus Damm <magnus.damm@gmail.com>, devicetree@vger.kernel.org, 
	linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, 
	Biju Das <biju.das.jz@bp.renesas.com>, 
	Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
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Hi Geert,

Thank you for the review.

On Mon, Feb 12, 2024 at 4:25=E2=80=AFPM Geert Uytterhoeven <geert@linux-m68=
k.org> wrote:
>
> Hi Prabhakar,
>
> On Mon, Feb 5, 2024 at 3:44=E2=80=AFPM Prabhakar <prabhakar.csengg@gmail.=
com> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> >
> > All the RZ/G2L and alike SoC's (listed below) have ECCRAM0/1 interrupts
> > supported by the IRQC block, reflect the same in DT binding doc.
> >
> > - R9A07G043U              - RZ/G2UL
> > - R9A07G044L/R9A07G044LC  - RZ/{G2L,G2LC}
> > - R9A07G054               - RZ/V2L
> > - R9A08G045               - RZ/G3S
> >
> > For the RZ/G3S SoC ("R9A08G045") ECCRAM0/1 interrupts combined into sin=
gle
> > interrupt so we just use the below to represent them:
> > - ec7tie1-0
> > - ec7tie2-0
> > - ec7tiovf-0
> >
> > Previously, it was assumed that BUS-error and ECCRAM0/1 error interrupt=
s
> > were only supported by RZ/G2UL ("R9A07G043U") and RZ/G3S ("R9A08G045")
> > SoCs. However, in reality, all RZ/G2L and similar SoCs (listed above)
> > support these interrupts. Therefore, mark the 'interrupt-names' propert=
y
> > as required for all the SoCs and update the example node in the binding
> > document.
> >
> > Fixes: 96fed779d3d4 ("dt-bindings: interrupt-controller: Add Renesas RZ=
/G2L Interrupt Controller")
> > Fixes: 1cf0697a24ef ("dt-bindings: interrupt-controller: renesas,rzg2l-=
irqc: Document RZ/G3S")
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Thanks for your patch!
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> > --- a/Documentation/devicetree/bindings/interrupt-controller/renesas,rz=
g2l-irqc.yaml
> > +++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,rz=
g2l-irqc.yaml
> > @@ -88,9 +88,15 @@ properties:
> >        - description: GPIO interrupt, TINT30
> >        - description: GPIO interrupt, TINT31
> >        - description: Bus error interrupt
> > +      - description: ECCRAM0 1bit error interrupt
> > +      - description: ECCRAM0 2bit error interrupt
> > +      - description: ECCRAM0 error overflow interrupt
> > +      - description: ECCRAM1 1bit error interrupt
> > +      - description: ECCRAM1 2bit error interrupt
> > +      - description: ECCRAM1 error overflow interrupt
> >
> >    interrupt-names:
> > -    minItems: 41
> > +    minItems: 45
> >      items:
> >        - const: nmi
> >        - const: irq0
> > @@ -134,6 +140,12 @@ properties:
> >        - const: tint30
> >        - const: tint31
> >        - const: bus-err
> > +      - const: ec7tie1-0   # For RZ/G3S SoC ("R9A08G045") ECCRAM0/1 in=
terrupts are combined into single interrupt.
> > +      - const: ec7tie2-0   # For RZ/G3S SoC ("R9A08G045") ECCRAM0/1 in=
terrupts are combined into single interrupt.
> > +      - const: ec7tiovf-0  # For RZ/G3S SoC ("R9A08G045") ECCRAM0/1 in=
terrupts are combined into single interrupt.
>
> These lines are indeed a bit long, and might become longer when newer
> SoCs are introduced.
>
Agreed.

> What about changing the descriptions instead, like
>
>     -      - description: ECCRAM0 1bit error interrupt
>     +      - description: ECCRAM0 or combined ECCRAM0/1 1bit error interr=
upt
>
> ?
>
Agreed, sounds good. I'll just resend this patch fixing this.

Cheers,
Prabhakar