Re: [PATCH 1/3] dt-bindings: usb: Add binding for TI USB8041 hub controller

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On 12/07/2022 23:28, Matthias Kaehlcke wrote:
>>
>> But another question - why "peer-hub"? I remember some discussion about
>> naming, so was peer preferred over companion?
> 
> Yes, Alan Stern pointed out that 'companion' can be confusing in the context
> of USB:
> 
>   What do you mean by "companion hub"?  I think you are using the wrong
>   word here.  If you're talking about the relation between the two logical
>   hubs (one attached to the SuperSpeed bus and one attached to the
>   Low/Full/High-speed bus) within a physical USB-3 hub, the correct term
>   for this is "peer".  See the existing usages in hub.h, hub.c, and
>   port.c.
> 
>   "Companion" refers to something completely different (i.e., the UHCI or
>   OHCI controllers that handle Low/Full-speed connections on behalf of a
>   High-speed EHCI controller).
> 
> https://patchwork.kernel.org/comment/24912563/

Thanks, that explains a lot!

Best regards,
Krzysztof



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