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PCI: assign ioapic resource at hotplug

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We need to assign resources to ioapics being hot-added. This patch
changes pbus_assign_resources_sorted() to assign resources if the
ioapic has no assigned resources.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>
Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Satoru Takeuchi 2006-09-12 10:21:44 -07:00 committed by Greg Kroah-Hartman
parent d5cdb67236
commit 2318627965
1 changed files with 10 additions and 3 deletions
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13
drivers/pci/setup-bus.c
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@ -55,12 +55,19 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
list_for_each_entry(dev, &bus->devices, bus_list) {
u16 class = dev->class >> 8;
/* Don't touch classless devices or host bridges or ioapics. */
/* Don't touch classless devices or host bridges. */
if (class == PCI_CLASS_NOT_DEFINED ||
class == PCI_CLASS_BRIDGE_HOST ||
class == PCI_CLASS_SYSTEM_PIC)
class == PCI_CLASS_BRIDGE_HOST)
continue;
/* Don't touch ioapics if it has the assigned resources. */
if (class == PCI_CLASS_SYSTEM_PIC) {
res = &dev->resource[0];
if (res[0].start || res[1].start || res[2].start ||
res[3].start || res[4].start || res[5].start)
continue;
}
pdev_sort_resources(dev, &head);
}