Re: [PATCH RESEND v9 5/5] arm64: dts: apm: Harmonize DWC USB3 DT nodes name

[Krzysztof Kozlowski]

On 24/06/2022 16:16, Serge Semin wrote:
> In accordance with the DWC USB3 bindings the corresponding node
> name is suppose to comply with the Generic USB HCD DT schema, which
> requires the USB nodes to have the name acceptable by the regexp:
> "^usb(@.*)?" . Make sure the "snps,dwc3"-compatible nodes are correctly
> named despite of the warning comment about possible backward
> compatibility issues.

Sometimes node name is exposed to user-space which depends on it. How
did you check there is no issue here?

> 
> Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 4 ++--
>  arch/arm64/boot/dts/apm/apm-storm.dtsi     | 6 +++---
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
> index a83c82c50e29..832dd85b00bd 100644
> --- a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
> +++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
> @@ -597,8 +597,8 @@ serial0: serial@10600000 {
>  			interrupts = <0x0 0x4c 0x4>;
>  		};
>  
> -		/* Do not change dwusb name, coded for backward compatibility */
> -		usb0: dwusb@19000000 {
> +		/* Node-name might need to be coded as dwusb for backward compatibility */
> +		usb0: usb@19000000 {
>  			status = "disabled";
>  			compatible = "snps,dwc3";
>  			reg =  <0x0 0x19000000 0x0 0x100000>;
> diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
> index 0f37e77f5459..1520a945b7f9 100644
> --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
> +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
> @@ -923,8 +923,8 @@ sata3: sata@1a800000 {
>  			phy-names = "sata-phy";
>  		};
>  
> -		/* Do not change dwusb name, coded for backward compatibility */
> -		usb0: dwusb@19000000 {
> +		/* Node-name might need to be coded as dwusb for backward compatibility */
> +		usb0: usb@19000000 {
>  			status = "disabled";
>  			compatible = "snps,dwc3";
>  			reg =  <0x0 0x19000000 0x0 0x100000>;
> @@ -933,7 +933,7 @@ usb0: dwusb@19000000 {
>  			dr_mode = "host";
>  		};
>  
> -		usb1: dwusb@19800000 {
> +		usb1: usb@19800000 {
>  			status = "disabled";
>  			compatible = "snps,dwc3";
>  			reg =  <0x0 0x19800000 0x0 0x100000>;


Best regards,
Krzysztof