linux-kernel - Re: [PATCH] dt-bindings: Drop more redundant 'maxItems/minItems' in if/then schemas

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Message-ID: <CAPDyKFqNiJB_2aEaQpBo4=Vzc60-986=aKKw4JZtXvO=X9WTqQ@mail.gmail.com>
Date:   Tue, 7 Jun 2022 12:42:38 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Hu Ziji <huziji@...vell.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Maxime Ripard <mripard@...nel.org>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH] dt-bindings: Drop more redundant 'maxItems/minItems' in
 if/then schemas

On Tue, 7 Jun 2022 at 00:51, Rob Herring <robh@...nel.org> wrote:
>
> Another round from new cases in 5.19-rc of removing redundant
> minItems/maxItems when 'items' list is specified. This time it is in
> if/then schemas as the meta-schema was failing to check this case.
>
> If a property has an 'items' list, then a 'minItems' or 'maxItems' with the
> same size as the list is redundant and can be dropped. Note that is DT
> schema specific behavior and not standard json-schema behavior. The tooling
> will fixup the final schema adding any unspecified minItems/maxItems.
>
> Signed-off-by: Rob Herring <robh@...nel.org>

Acked-by: Ulf Hansson <ulf.hansson@...aro.org>

Kind regards
Uffe

> ---
>  .../bindings/memory-controllers/nvidia,tegra186-mc.yaml        | 3 ---
>  Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml | 1 -
>  .../devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml  | 1 -
>  3 files changed, 5 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
> index c7cfa6c2cd81..935d63d181d9 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
> +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
> @@ -150,7 +150,6 @@ allOf:
>            description: 5 memory controller channels and 1 for stream-id registers
>
>          reg-names:
> -          maxItems: 6
>            items:
>              - const: sid
>              - const: broadcast
> @@ -170,7 +169,6 @@ allOf:
>            description: 17 memory controller channels and 1 for stream-id registers
>
>          reg-names:
> -          minItems: 18
>            items:
>              - const: sid
>              - const: broadcast
> @@ -202,7 +200,6 @@ allOf:
>            description: 17 memory controller channels and 1 for stream-id registers
>
>          reg-names:
> -          minItems: 18
>            items:
>              - const: sid
>              - const: broadcast
> diff --git a/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml b/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml
> index c79639e9027e..7a2b22dd6d05 100644
> --- a/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml
> +++ b/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml
> @@ -145,7 +145,6 @@ allOf:
>            items:
>              - description: Xenon IP registers
>              - description: Armada 3700 SoC PHY PAD Voltage Control register
> -          minItems: 2
>
>          marvell,pad-type:
>            $ref: /schemas/types.yaml#/definitions/string
> diff --git a/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml
> index cbcf19f51411..ed6c1ca80dcc 100644
> --- a/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml
> @@ -64,7 +64,6 @@ if:
>  then:
>    properties:
>      clocks:
> -      minItems: 2
>        items:
>          - description: High-frequency oscillator input, divided internally
>          - description: Low-frequency oscillator input
> --
> 2.34.1
>