Am Mittwoch, den 14.08.2019, 08:17 +0000 schrieb Schmid, Carsten :
> [Resend - had mailer errors ]
>
> Hi Florian,
>
> today i have seen a strange behaviour of two D-Link DUB-1312 adapters (same
> Revision A1).
> Plugging them into the same port (!) on my device one of them is recognized
> as SuperSpeed, the other as high speed ???
> (working on 4.14.129 LTS)
>
> From dmesg, the "faulty" one:
> [ 530.585871] usb 1-2: new high-speed USB device number 4 using xhci_hcd
> <<<<<<<<< HUH ????
XHCI is not like EHCI. It needs no companion controller, as it serves
all speeds.
> I had a look at the driver code of ax88179, but that one didn't change much
> in the past up to v5.2.
> Nothing that explains what i can see here.
This is on a lower layer than ax88179. This comes from xhci_hcd.
Is this a regression?
Regards
Oliver
