On Wed, 1 Aug 2007, David Engraf wrote:
> At the moment I have a Jetway/VIA Mainboard which seems to have a problem
> with the handoff. Even
> when I wait about 20 seconds the EHCI_USBLEGSUP_BIOS flag is not cleared.
> I think this is a BIOS
> bug and I will have to talk to Jetway/VIA.
I have the same problem on my Intel motherboard. Which is surprising,
considering that Intel invented the BIOS-handoff technique.
> On the other hand, I don't need the EHCI controller in my kernel, so I
> think the kernel shouldn't take the
> handover for the EHCI controller like other OS which do not have an usb
> driver and so don't know that
> there is a EHCI_USBLEGSUP_BIOS flag which should be cleared.
There ought to be a solution to satisfy everybody. For instance, you
could add a Kconfig flag for enabling USB handoff, and make it be
selected automatically if any of the PCI USB drivers are configured.
Alan Stern
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