Re: [PATCH 6/6] x86/PCI: quirk Thunderbolt PCI-to-PCI bridges

[Rafael J. Wysocki]

On Wednesday, June 26, 2013 03:31:18 PM Yinghai Lu wrote:
> On Wed, Jun 26, 2013 at 3:26 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> > On Wed, Jun 26, 2013 at 3:18 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
> >> On Tue, Jun 25, 2013 at 10:22 AM, Mika Westerberg
> >> <mika.westerberg@xxxxxxxxxxxxxxx> wrote:
> >>> Thunderbolt PCI-to-PCI bridges typically use BIOS "assisted" enumeration.
> >>> This means that the BIOS will allocate bridge resources based on some
> >>> assumptions of a maximum Thunderbolt chain. It also disables native PCIe
> >>> hotplug of the root port where the Thunderbolt host router is connected.
> >
> > We should not need tricks in this patch after
> >
> > https://patchwork.kernel.org/patch/2766521/
> >
> > [2/3] PCI / ACPI: Use boot-time resource allocation rules during hotplug
> >
> 
> BTW, Rafael, looks like that "boot-time" is not accurate here.
> 
> During acpi hotplug, firmare could do extra help for us like assign
> some resources to pci device bars, so it is NOT "boot-time".

Well, Linus has merged it already and besides "boot-time rules" need not
mean "boot-time resources", right?

Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/