Messages in this thread | | | Date | Fri, 26 Oct 2012 11:13:50 -0700 | Subject | Re: [PATCH 2/3] PCI: correctly detect ACPI PCI host bridge objects | From | Yinghai Lu <> |
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On Fri, Oct 26, 2012 at 2:10 AM, Bjorn Helgaas <bhelgaas@google.com> wrote: > On Thu, Oct 18, 2012 at 2:50 PM, Yinghai Lu <yinghai@kernel.org> wrote: >> >> +static const struct acpi_device_id root_device_ids[] = { >> + {"PNP0A03", 0}, >> + {"PNP0A08", 0}, > > Why do we need PNP0A08 here? > > Per the PCI Firmware Spec, sec 4.1.5, PNP0A08 identifies a PCI Express > or a PCI-X Mode 2 host bridge, and such a device is required to > include PNP0A03 in _CID. Therefore, it should be sufficient to look > only for PNP0A03.
good, I removed that line and updated for-pci-split-pci-root-hp-2 branch.
Thanks
Yinghai
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