linux-kernel - Re: [PATCH 05/17] dt-bindings: interrupt-controller: apple,aic2: Add apple,t8112-aic compatible

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2f5a63ba-f4de-da89-7621-3fe1d79cdc94@linaro.org>
Date:   Mon, 13 Feb 2023 12:12:25 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Janne Grunau <j@...nau.net>, Hector Martin <marcan@...can.st>,
        Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mark Kettenis <kettenis@...nbsd.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>
Cc:     asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/17] dt-bindings: interrupt-controller: apple,aic2: Add
 apple,t8112-aic compatible

On 12/02/2023 16:41, Janne Grunau wrote:
> The Apple M2 SoC uses AICv2 and is compatible with the existing driver.
> Add its per-SoC compatible.
> Since multi-die versions of the M2 are not expected decrease
> '#interrupt-cells' to 3 for apple,t8112-aic. This is seamlessly handled
> inside the driver.
> 
> Signed-off-by: Janne Grunau <j@...nau.net>
> 
> ---
> This trivial dt-bindings update should be merged through the asahi-soc
> tree to ensure validation of the Apple M2 (t8112) devicetrees in this
> series.
> ---
>  .../bindings/interrupt-controller/apple,aic2.yaml  | 23 +++++++++++++++++++---
>  1 file changed, 20 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/apple,aic2.yaml b/Documentation/devicetree/bindings/interrupt-controller/apple,aic2.yaml
> index 06948c0e36a5..120e23ff668c 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/apple,aic2.yaml
> +++ b/Documentation/devicetree/bindings/interrupt-controller/apple,aic2.yaml
> @@ -31,19 +31,22 @@ description: |
>  properties:
>    compatible:
>      items:
> -      - const: apple,t6000-aic
> +      - enum:
> +          - apple,t8112-aic
> +          - apple,t6000-aic
>        - const: apple,aic2
>  
>    interrupt-controller: true
>  
>    '#interrupt-cells':
> -    const: 4
> +    minimum: 3
> +    maximum: 4
>      description: |
>        The 1st cell contains the interrupt type:
>          - 0: Hardware IRQ
>          - 1: FIQ
>  
> -      The 2nd cell contains the die ID.
> +      The 2nd cell contains the die ID (optional).
>  
>        The next cell contains the interrupt number.
>          - HW IRQs: interrupt number
> @@ -98,6 +101,20 @@ properties:
>            - apple,fiq-index
>            - cpus
>  
> +if:

Put it under allOf. After "required:", just like example-schema asks for.

> +  properties:
> +    compatible:
> +      contains:
> +        const: apple,t8112-aic
> +then:
> +  properties:
> +    '#interrupt-cells':
> +      maximum: 3

Shouldn't this be:
const: 3

> +else:
> +  properties:
> +    '#interrupt-cells':
> +      minimum: 4

const: 4


Best regards,
Krzysztof