linux-kernel - Re: [PATCH linux-next] dt-bindings: usb: snps,dwc3: correct i.MX8MQ support

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Message-ID: <8efe78d3-ff50-1970-3a90-28bab4992bad@linaro.org>
Date:   Mon, 20 Mar 2023 07:56:35 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>,
        gregkh@...uxfoundation.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, xu.yang_2@....com
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        jun.li@....com, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH linux-next] dt-bindings: usb: snps,dwc3: correct i.MX8MQ
 support

On 20/03/2023 03:07, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> The previous i.MX8MQ support breaks rockchip,dwc3 support,
> so use select to restrict i.MX8MQ support and avoid break others.
> 
> Fixes: 3754c41c7686 ("dt-bindings: usb: snps,dwc3: support i.MX8MQ")
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  .../devicetree/bindings/usb/snps,dwc3.yaml    | 21 ++++++++++++-------
>  1 file changed, 14 insertions(+), 7 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
> index 16c7d06c9172..6347a6769ee3 100644
> --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
> +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
> @@ -28,15 +28,22 @@ allOf:
>      else:
>        $ref: usb-xhci.yaml#
>  
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - fsl,imx8mq-dwc3

And what about all snps,dwc3 devices there (without specific
compatible)? Previously they were selected and now they are not... so
you just disabled schema for all of them.

> +  required:
> +    - compatible
> +
>  properties:
>    compatible:
> -    oneOf:
> -      - items:
> -          - const: fsl,imx8mq-dwc3

I don't understand why you remove your compatible.

Best regards,
Krzysztof