* Re: [PATCH 2/2] PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that breaks USB
[not found] ` <20120106084901.GD14188@elte.hu>
@ 2012-01-06 17:18 ` Bjorn Helgaas
0 siblings, 0 replies; only message in thread
From: Bjorn Helgaas @ 2012-01-06 17:18 UTC (permalink / raw)
To: Ingo Molnar
Cc: Thomas Gleixner, Ingo Molnar, H. Peter Anvin, thuban,
dann frazier, Lisa Salimbas, linux-kernel, linux-acpi, Len Brown,
Jesse Barnes, linux-pci
On Fri, Jan 6, 2012 at 1:49 AM, Ingo Molnar <mingo@elte.hu> wrote:
>
> * 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.
OK, Jesse, would you like to pick up these two patches?
Bjorn
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