USB keyboard with XHCI on x86?

Simon Glass sjg at
Fri May 8 04:41:51 CEST 2020

Hi Marek,

On Thu, 7 May 2020 at 20:39, Marek Vasut <marex at> wrote:
> On 5/8/20 4:38 AM, Simon Glass wrote:
> > Hi Bin,
> >
> > Does this work for you? It doesn't work for me in interrupt mode, only
> > in control-endpoint mode. Is that expected?
> >
> > Also I notice that some broken devices don't work or cause a crash.
> I recall some keyboards didn't work in interrupt mode, which is why I
> added the control endpoint polling. Does it work on EHCI for you ?

I'm not sure how to try it with an XHCI controller.


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