On Wednesday 24 February 2010 09:41:00 am Ralf Baechle wrote:
> On Wed, Feb 24, 2010 at 09:03:33AM +0900, Yoichi Yuasa wrote:
>
> > > approach Ben suggested long ago:
> > > http://marc.info/?l=linux-kernel&m=119733290624544&w=2
> >
> > It works fine with 2.6.34 queue tree.
> > pci.c change is already committed by Ralf.
>
> Which I just dropped from queue. To keep the tree bisectable removal of
> the old hack and adding the fixup should be done in the same patch so I'd
> go for Bjorn's patch.
Right, thanks.
> There is another somewhat theoretical correctness issue. Because the
> VIA SuperIO chip only decodes 24 bits of address space but port address
> space currently being configured as 32MB there is the theoretical
> possibility of I/O port addresses that alias with legacy addresses getting
> allocated.
Does this mean my comment:
+ * but the VT82C586 IDE controller does respond at 0x100001f0 because
+ * it only decodes the low 16 bits of the address.
should say "24 bits" instead of "16 bits"?
Bjorn
|