linux-kernel - Re: [PATCH] dt-bindings: display: bridge: ldb: Add check for reg and reg-names

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: <20260105221914.GA3612345-robh@kernel.org>
Date: Mon, 5 Jan 2026 16:19:14 -0600
From: Rob Herring <robh@...nel.org>
To: Marek Vasut <marek.vasut@...lbox.org>
Cc: dri-devel@...ts.freedesktop.org,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Conor Dooley <conor+dt@...nel.org>,
	David Airlie <airlied@...il.com>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Jonas Karlman <jonas@...boo.se>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>, Simona Vetter <simona@...ll.ch>,
	Thomas Zimmermann <tzimmermann@...e.de>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: display: bridge: ldb: Add check for reg and
 reg-names

On Sun, Jan 04, 2026 at 10:34:21PM +0100, Marek Vasut wrote:
> Make "reg" property mandatory for all LDB devices and "reg-names"
> mandatory for i.MX8MP and i.MX93 which have two "reg" values. The
> i.MX6SX has only one "reg" value so the "reg-names" property there
> is optional and not needed.
> 
> Signed-off-by: Marek Vasut <marek.vasut@...lbox.org>
> ---
> Cc: Andrzej Hajda <andrzej.hajda@...el.com>
> Cc: Conor Dooley <conor+dt@...nel.org>
> Cc: David Airlie <airlied@...il.com>
> Cc: Jernej Skrabec <jernej.skrabec@...il.com>
> Cc: Jonas Karlman <jonas@...boo.se>
> Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
> Cc: Laurent Pinchart <Laurent.pinchart@...asonboard.com>
> Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
> Cc: Maxime Ripard <mripard@...nel.org>
> Cc: Neil Armstrong <neil.armstrong@...aro.org>
> Cc: Rob Herring <robh@...nel.org>
> Cc: Robert Foss <rfoss@...nel.org>
> Cc: Simona Vetter <simona@...ll.ch>
> Cc: Thomas Zimmermann <tzimmermann@...e.de>
> Cc: devicetree@...r.kernel.org
> Cc: dri-devel@...ts.freedesktop.org
> Cc: linux-kernel@...r.kernel.org
> ---
>  .../bindings/display/bridge/fsl,ldb.yaml           | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml
> index 07388bf2b90df..197ae2f2dd36c 100644
> --- a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml
> @@ -59,6 +59,7 @@ required:
>    - compatible
>    - clocks
>    - ports
> +  - reg
>  
>  allOf:
>    - if:
> @@ -73,6 +74,19 @@ allOf:
>          ports:
>            properties:
>              port@2: false
> +  - if:
> +      not:
> +        properties:
> +          compatible:
> +            contains:
> +              const: fsl,imx6sx-ldb
> +    then:
> +      required:
> +        - compatible
> +        - clocks
> +        - ports
> +        - reg

All of these are already required up above. You only need reg-names 
here.

> +        - reg-names
>  
>  additionalProperties: false
>  
> -- 
> 2.51.0
>