linux-kernel - Re: [PATCH v2 2/8] ARM: dts: uniphier: Rename usb-phy node to usb-glue

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Date:   Mon, 12 Sep 2022 21:10:21 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Arnd Bergmann <arnd@...db.de>, soc@...nel.org,
        Olof Johansson <olof@...om.net>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/8] ARM: dts: uniphier: Rename usb-phy node to
 usb-glue

Hi Arnd,

Thank you for checking.

On 2022/09/12 17:32, Arnd Bergmann wrote:
> On Mon, Sep 12, 2022, at 9:15 AM, Kunihiko Hayashi wrote:
>> Actual phy nodes are each child node. The parent node should be usb-glue
>> node. This applies to the devicetre for Pro4 SoC.
>>
>> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
>> ---
>>   arch/arm/boot/dts/uniphier-pro4.dtsi | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/uniphier-pro4.dtsi
>> b/arch/arm/boot/dts/uniphier-pro4.dtsi
>> index a53b73ee93e9..cf62821c69ca 100644
>> --- a/arch/arm/boot/dts/uniphier-pro4.dtsi
>> +++ b/arch/arm/boot/dts/uniphier-pro4.dtsi
>> @@ -376,7 +376,7 @@ pinctrl: pinctrl {
>>   				compatible =
> "socionext,uniphier-pro4-pinctrl";
>>   			};
>>
>> -			usb-phy {
>> +			usb-glue {
>>   				compatible =
> "socionext,uniphier-pro4-usb2-phy";
>>   				#address-cells = <1>;
>>   				#size-cells = <0>;
> 
> Not sure about this one. What hardware does this node
> actaully represent? I don't see any other soc dts files
> refer to node names as 'glue', so there is probably a
> better name for it. In the binding document, it's called
> "usb-controller", but I'm not sure that is the right name
> either.
Surely, "glue" is uncommon, and "usb-controller" is suitable
to represent the integration of usb-related functionality.
I'll review the node names.

Thank you,

---
Best Regards
Kunihiko Hayashi