PCI Hotplug: acpiphp: get pci_bus from acpi handle correctly

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We cannot simply call acpi_get_pci_dev() on any random ACPI handle
and hope that it works, because a PCI root bridge may not have
an associated struct pci_dev.

This is allowed per the PCI specification, and is referred to as a
non-materialized bridge.

So, depending on the type of PCI bridge that the handle points to,
use the appropriate interface to return the struct pci_bus correctly.

Reviewed-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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Alex Chiang 2009-07-23 17:03:05 -06:00 • committed by Jesse Barnes

parent 76d56de57a

commit 5228a828ee

1 changed files with 17 additions and 11 deletions

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drivers/pci/hotplug/acpiphp_glue.c

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