On Mon, Mar 22, 2021 at 03:15:03PM +0000, Russell King - ARM Linux admin wrote: > It gets worse than that though - due to a change to remove > pcibios_min_io from the generic code, moving it into the ARM > architecture code, this has caused a regression that prevents the > legacy resources being registered against the bus resource. So even > if they are there, they cause probe failures. I haven't found a > reasonable way to solve this yet, but until there is, there is no > way that the PATA driver can be used as the "legacy mode" support > is effectively done via the PCI code assigning virtual IO port > resources. > > I'm quite surprised that the CY82C693 even works on Alpha - I've > asked for a lspci for that last week but nothing has yet been > forthcoming from whoever responded to your patch for Alpha - so I > can't compare what I'm seeing with what's happening with Alpha. That sounds like something we could fix with a quirk for function 2 in the PCI resource assignment code. Can you show what vendor and device ID function 2 has so that I could try to come up with one?
