[SLOF] SLOF cannot setup peripherals behind an XHCI hub

Nikunj A Dadhania nikunj at linux.vnet.ibm.com
Wed Jul 6 18:12:39 AEST 2016


Laurent Vivier <lvivier at redhat.com> writes:

> Hi,
>
> I need some help on this...
>
> If I put USB peripherals behind an USB hub, behind an XHCI controller,
> SLOF cannot use them.
>
> -device nec-usb-xhci,id=controller1  \
> -device usb-hub,id=usbhub1,bus=controller1.0,port=1  \
> -device usb-mouse,id=usbmouse,port=1.1 \
> -device usb-kbd,id=usbkbd,port=1.2  \
> -device usb-tablet,id=usbtablet,port=1.3 \
>
> It works fine with pci-ohci controller or if I put peripherals directly
> on the XHCI controller (ports 2, 3, 4).
>
[...]
> Any idea?

I will have a look at this tomorrow.

Regards
Nikunj



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