Re: usb/host/pci-quirks: Add option for setting handoff timeoutfor ehci

From: Martin Bammer
Date: Fri Mar 06 2009 - 14:27:04 EST


Yes right. It fails faster, because the bios doesn't handoff the device.
But it's no help for the user that he always has to wait 8s because of a
buggy bios. Although the handoff fails the usb-controller works without
any problems.

> > When having a buggy BIOS which doesn't do ehci handoff correctly a 8s
> > boot delay is the result. This patch adds a kernel command line
> > parameter ehci_ho_to to be able to set an arbitrary timeout. On my
> > netbook I've set it to 50 which works without any problems. Maybe the
> > patch would be interesting for others?
>
> I don't see how this makes anything go faster, you are just changing the
> timeout value, which should only make things fail faster, not succeed
> faster :)
>
> thanks,
>
> greg k-h

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/