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Message-ID: <CA+V-a8t+=dVsofAT=Qk-v3hvJ7_zGNNLoj_EQK8hUGptnQROhQ@mail.gmail.com>
Date:   Thu, 17 Mar 2022 11:55:28 +0000
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        LKML <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [RFC PATCH v4 1/5] dt-bindings: interrupt-controller: Add Renesas
 RZ/G2L Interrupt Controller

Hi Krzysztof,

Thank you for the review.

On Thu, Mar 17, 2022 at 9:44 AM Krzysztof Kozlowski <krzk@...nel.org> wrote:
>
> On 17/03/2022 02:24, Lad Prabhakar wrote:
> > Add DT bindings for the Renesas RZ/G2L Interrupt Controller.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > ---
> >  .../renesas,rzg2l-irqc.yaml                   | 131 ++++++++++++++++++
> >  1 file changed, 131 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml b/Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml
> > new file mode 100644
> > index 000000000000..a14492ec9235
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml
> > @@ -0,0 +1,131 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/interrupt-controller/renesas,rzg2l-irqc.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Renesas RZ/G2L (and alike SoC's) Interrupt Controller (IA55)
> > +
> > +maintainers:
> > +  - Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > +  - Geert Uytterhoeven <geert+renesas@...der.be>
> > +
> > +description: |
> > +  IA55 performs various interrupt controls including synchronization for the external
> > +  interrupts of NMI, IRQ, and GPIOINT and the interrupts of the built-in peripheral
> > +  interrupts output by each IP. And it notifies the interrupt to the GIC
> > +    - IRQ sense select for 8 external interrupts, mapped to 8 GIC SPI interrupts
> > +    - GPIO pins used as external interrupt input pins, mapped to 32 GIC SPI interrupts
> > +    - NMI edge select (NMI is not treated as NMI exception and supports fall edge and
> > +      stand-up edge detection interrupts)
> > +
> > +allOf:
> > +  - $ref: /schemas/interrupt-controller.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    items:
> > +      - enum:
> > +          - renesas,r9a07g044-irqc    # RZ/G2L
> > +      - const: renesas,rzg2l-irqc
> > +
> > +  '#interrupt-cells':
> > +    const: 2
> > +
> > +  '#address-cells':
> > +    const: 0
> > +
> > +  interrupt-controller: true
> > +
> > +  reg:
> > +    maxItems: 1> +
> > +  interrupts:
> > +    maxItems: 41
> > +
> > +  clocks:
> > +    maxItems: 2
> > +
> > +  clock-names:
> > +    items:
> > +      - const: clk
> > +      - const: pclk
> > +
> > +  power-domains:
> > +    maxItems: 1
> > +
> > +  resets:
> > +    maxItems: 1
> > +
> > +required:
> > +  - compatible
> > +  - '#interrupt-cells'
> > +  - '#address-cells'
> > +  - interrupt-controller
> > +  - reg
> > +  - interrupts
> > +  - clocks
> > +  - clock-names
> > +  - power-domains
> > +  - resets
> > +
> > +additionalProperties: false
>
> This should be rather unevaluatedProperties and remove
> interrupt-controller:true from properties.
>
Ok will do.

> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +    #include <dt-bindings/clock/r9a07g044-cpg.h>
> > +
> > +    irqc: interrupt-controller@...a0000 {
> > +            compatible = "renesas,r9a07g044-irqc", "renesas,rzg2l-irqc";
> > +            #interrupt-cells = <2>;
> > +            #address-cells = <0>;
> > +            interrupt-controller;
> > +            reg = <0x110a0000 0x10000>;
>
> Put the reg after compatible in DTS code. The ordering of properties in
> bindings is a bit odd, but I wasn't following order by myself, so cannot
> complain. :)
>
Ok will fix that in next version.

Cheers,
Prabhakar

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