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On Thu, Nov 02, 2006 at 01:14:43PM -0800, Andrew Morton wrote:
> What is a "hose"?
A real name of "pci domain". ;-)
> > + /* First, fixup the VGA resource bounds WRT the hose it is on. */
> > + if (pci_vga_hose) {> > + new->start += pci_vga_hose->io_space->start;
> > + new->end += pci_vga_hose->io_space->start;
> > + }> > +> > + /* Finally, do a normal request_resource(). */> > + return request_resource(root, new);
This will always fail. Should be
return request_resource(pci_vga_hose->io_space, new);
> > +}> > > > So if the resource is being requested by vga we adjust the caller's
> resource before actually requesting it.> > Isn't this a bit hacky? How come vgacon ended up requesting the wrong
> addresses in the first place?
vgacon requests the correct _bus_ address, but it doesn't work with
multiple buses. So a fixup similar to pcibios_fixup_resource() or
pcibios_bus_to_resource() is needed.
Ivan.
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