Re: [PATCH net-next 4/4] ARM: dts: lan966x: use new microchip,lan9668-switch compatible

[Krzysztof Kozlowski]

On 30/06/2022 16:02, Michael Walle wrote:
> The old generic microchip,lan966x-switch compatible string was
> deprecated. Use the new one.
> 
> Signed-off-by: Michael Walle <michael@xxxxxxxx>
> ---
>  arch/arm/boot/dts/lan966x.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/lan966x.dtsi b/arch/arm/boot/dts/lan966x.dtsi
> index 48971d80c82c..da0657c57cdf 100644
> --- a/arch/arm/boot/dts/lan966x.dtsi
> +++ b/arch/arm/boot/dts/lan966x.dtsi
> @@ -85,7 +85,7 @@ soc {
>  		ranges;
>  
>  		switch: switch@e0000000 {
> -			compatible = "microchip,lan966x-switch";
> +			compatible = "microchip,lan9668-switch";

While technically correct, the change cannot go via independent trees
and may break out-of-tree users of this DTS.

Usually the nicer way is to use two compatibles (the old as fallback).
Anyway, this one is fine with me - up to subarch maintainer.

Best regards,
Krzysztof