linux-kernel - Re: [PATCH 1/4] dt-bindings: display: himax-hx8394: remove reset-gpio from required properties

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Message-ID: <20240625-output-mulled-3359cccf8026@spud>
Date: Tue, 25 Jun 2024 16:39:56 +0100
From: Conor Dooley <conor@...nel.org>
To: Manikandan Muralidharan <manikandan.m@...rochip.com>
Cc: megi@....cz, javierm@...hat.com, neil.armstrong@...aro.org,
	quic_jesszhan@...cinc.com, maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com,
	daniel@...ll.ch, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] dt-bindings: display: himax-hx8394: remove
 reset-gpio from required properties

On Tue, Jun 25, 2024 at 02:38:50PM +0530, Manikandan Muralidharan wrote:
> Remove "reset-gpio" property from required properties list and
> make it optional.When interfaced with some boards where reset line is not
> populated it leads to driver probe issues.
> 
> Signed-off-by: Manikandan Muralidharan <manikandan.m@...rochip.com>
> ---
>  .../devicetree/bindings/display/panel/himax,hx8394.yaml          | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml b/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml
> index 644387e4fb6f..017cb19ed64f 100644
> --- a/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml
> @@ -46,7 +46,6 @@ properties:
>  required:
>    - compatible
>    - reg
> -  - reset-gpios

If this is just the case for the new microchip panel, please make the
removal of required be conditional for that panel only and squash both
binding patches.

Thanks,
Conor.

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