On Wed, Aug 03, 2005 at 01:13:37AM +0400, Ivan Kokshaysky wrote:
> On Tue, Aug 02, 2005 at 10:11:40AM -0700, Linus Torvalds wrote:
> > So I think it would be much easier to just make the change in
> > "pci_bus_alloc_resource()", and say that if the parent resource that we're
> > testing starts at some non-zero value, we just use that instead of "min"
> > when we call down to allocate_resource(). That gets it for MEM resources
> > too.
>
> Cool! I think it's the way to go.
>
> > Something like the following (also _totally_ untested, but even simpler
> > than yours). It basically says: if the parent resource starts at non-zero,
> > we use that as the starting point for allocations, otherwise the passed-in
> > value.
>
> Tested on alpha. Initially I was concerned a bit about architectures
> where resources _never_ start at zero (due to some specific bus to
> resource conversions), but this change is just a no-op for them.
>
> > That, together with changing PCIBIOS_MIN_IO to 0x2000 (or even 0x4000)
> > might be the ticket...
>
> Definitely 0x4000. Then we can get rid of PCIBIOS_MIN_CARDBUS_IO which
> was introduced exactly for this reason, I guess.
Nice, care to make up a single patch with these two changes in it?
thanks,
greg k-h
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