On Thu, 22 Dec 2005, James Courtier-Dutton wrote:

> Brown, Len wrote:
> >
> >
> >>As an alternate experiment,
> >>first manually insmod ohci-hcd.ko and then insmod  ehci-hcd.ko.
> >
> >
> > keyboard started working when ohci-hcd was loaded,
> > loading ehci-hcd broke it
> > unloading ehci-hcd fixed it
> > loaded ehci-hcd and this time keyboard continued to work,
> > but kbd interrupts are now on ehci-hcd.
> >
> > cheers,
> > -Len
> >
>
> Load ehci-hcd OR ohci-hcd, but not both at the same time.

What's the reasoning for that?

EHCI needs a "companion" controller and driver (like
UHCI or OHCI) for non-high-speed devices.

-- 
~Randy


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