On Thu, Jan 26, 2006 at 11:38:26PM +0100, Oskar Senft wrote:
> Dear Aleksey,
>
> thank you for your e-mail!
>
> >>Is there a special need, that the "drivers/usb/host/pci-quirks.c" is
> >>compiled into the kernel even if USB support is disabled?
> >
> > Yes, there is. USB handoff is necessary even if USB support is
> > disabled completely in kernel. In fact, initially early usb handoff code
> > was under pci, but since USB drivers do handoff anyway, it was decided
> > to move everything into usb with a goal of merging them together.
> > Just search for USB handoff in kernel archives.
>
> I see ... but as David Brownell already stated on Thu Sep 02 2004 -
> 20:07:57 EST:
> For backwards compatibility, the early reset should not be the
> default. There aren't many systems where it's a problem.
>
> What happened to that argument?
In the year and a half since then, we have changed our mind :)
A major distro has shipped for a while with this always enabled with no
problems, which has helped with this.
thanks,
greg k-h
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