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Date: Thu, 19 Oct 2023 16:18:06 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Rob Herring <robh@...nel.org>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>, Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Woojung Huh <woojung.huh@...rochip.com>,
	UNGLinuxDriver@...rochip.com,
	Linus Walleij <linus.walleij@...aro.org>,
	Alvin Šipraga <alsi@...g-olufsen.dk>,
	Clément Léger <clement.leger@...tlin.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Maxime Ripard <mripard@...nel.org>,
	nç ÜNAL <arinc.unal@...nc9.com>,
	Landen Chao <Landen.Chao@...iatek.com>,
	DENG Qingfang <dqfext@...il.com>,
	Sean Wang <sean.wang@...iatek.com>,
	Daniel Golle <daniel@...rotopia.org>,
	John Crispin <john@...ozen.org>,
	Gerhard Engleder <gerhard@...leder-embedded.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Sergey Shtylyov <s.shtylyov@....ru>,
	Sergei Shtylyov <sergei.shtylyov@...il.com>,
	Justin Chen <justin.chen@...adcom.com>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Grygorii Strashko <grygorii.strashko@...com>,
	Sekhar Nori <nsekhar@...com>,
	Claudiu Manoil <claudiu.manoil@....com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Vladimir Oltean <vladimir.oltean@....com>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
	linux-mediatek@...ts.infradead.org,
	linux-renesas-soc@...r.kernel.org,
	bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH net-next 1/8] dt-bindings: net: Add missing
 (unevaluated|additional)Properties on child node schemas

Hi Rob,

On Mon, Oct 16, 2023 at 04:44:20PM -0500, Rob Herring wrote:
> Just as unevaluatedProperties or additionalProperties are required at
> the top level of schemas, they should (and will) also be required for
> child node schemas. That ensures only documented properties are
> present for any node.
> 
> Add unevaluatedProperties or additionalProperties as appropriate.
> 
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> diff --git a/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml b/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml
> index 833d2f68daa1..ea285ef3e64f 100644
> --- a/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml
> @@ -61,17 +61,11 @@ properties:
>  
>    ethernet-ports:
>      type: object
> -    properties:
> -      '#address-cells':
> -        const: 1
> -      '#size-cells':
> -        const: 0
> -
> +    additionalProperties: true
>      patternProperties:
>        "^(ethernet-)?port@[0-4]$":
>          type: object
> -        description: Ethernet switch ports
> -
> +        additionalProperties: true
>          properties:
>            pcs-handle:
>              maxItems: 1

For my edification, this patch removes #address-cells and #size-cells
at the same time, because "additionalProperties: true" (which was also
implied before) doesn't care if they aren't defined in this sub-schema,
and they are defined through $ref: dsa.yaml#/$defs/ethernet-ports,
right?

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