TI CardBus bridge problem

Russell King rmk+pcmcia at arm.linux.org.uk
Mon Jul 4 03:56:47 EDT 2005


On Mon, Jul 04, 2005 at 12:37:10AM -0700, Chris Lu wrote:
> --- Russell King <rmk+pcmcia at arm.linux.org.uk> wrote:
> > On Mon, Jul 04, 2005 at 12:02:26AM -0700, Chris Lu
> > wrote:
> > > > If this is the case, try passing
> > "pci=assign-busses"
> > > 
> > > I tried this with an unpatched kernel 2.6.12.2 and
> > it
> > > seems to freeze at the "Booting the kernel..."
> > stage.
> > 
> > Please send a full lspc -vvv dump.
> >
> (Sorry for the poor formatting)

Ah, what's probably happening is that we're getting two bridges
programmed to the same bus number during the PCI bus scan, which
could well be causing a bus error.

This means that our PCI bus scanning with assign-busses has a hole
which needs plugging - I'll cook up a patch hopefully later today.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core



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