linux-kernel - Re: [PATCH v8 04/12] dt-bindings: phy: amlogic,g12a-mipi-dphy-analog: drop unneeded reg property and example

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Date:   Thu, 9 Nov 2023 18:04:34 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Neil Armstrong <neil.armstrong@...aro.org>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Nicolas Belin <nbelin@...libre.com>, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v8 04/12] dt-bindings: phy:
 amlogic,g12a-mipi-dphy-analog: drop unneeded reg property and example

On Thu, Nov 09, 2023 at 10:00:05AM +0100, Neil Armstrong wrote:
> Now this bindings is referred from amlogic,meson-gx-hhi-sysctrl.yaml and is
> documented as a subnode of a simple-mfd, drop the invalid reg property.

I'd expect a note here tbh about how removing reg & relying on being a
subnode of the simple-mfd is safe to do. It looks like your driver
was added at the same time as this binding & it was always documented as
being a child of the simple-mfd system controller, so I'd kinda expect
to see a Fixes tag on this patch..

Am I missing something?

> 
> Also drop the unnecessary example, the top level bindings example should
> be enough.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  .../bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml          | 12 ------------
>  1 file changed, 12 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml b/Documentation/devicetree/bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml
> index c8c83acfb871..81c2654b7e57 100644
> --- a/Documentation/devicetree/bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml
> +++ b/Documentation/devicetree/bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml
> @@ -16,20 +16,8 @@ properties:
>    "#phy-cells":
>      const: 0
>  
> -  reg:
> -    maxItems: 1
> -
>  required:
>    - compatible
> -  - reg
>    - "#phy-cells"
>  
>  additionalProperties: false
> -
> -examples:
> -  - |
> -    phy@0 {
> -          compatible = "amlogic,g12a-mipi-dphy-analog";
> -          reg = <0x0 0xc>;
> -          #phy-cells = <0>;
> -    };
> 
> -- 
> 2.34.1
> 

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