Messages in this thread | | | Date | Fri, 6 Jan 2012 09:49:01 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 2/2] PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that breaks USB |
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* Bjorn Helgaas <bhelgaas@google.com> wrote:
> On Thu, Jan 5, 2012 at 2:27 PM, Bjorn Helgaas <bhelgaas@google.com> wrote: > > Some Dell BIOSes have MCFG tables that don't report the entire > > MMCONFIG area claimed by the chipset. If we move PCI devices into > > that claimed-but-unreported area, they don't work. > > > > This quirk reads the AMD MMCONFIG MSRs and adds PNP0C01 resources as > > needed to cover the entire area. > > PNP stuff usually goes through Len's ACPI tree, but this is > really x86-specific, and these two patches need to go > together, so I think it would make sense to put them both in > the x86 tree. Len, do you object?
I'd really suggest the PCI tree for this - mmconfig is really PCI related.
Thanks,
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