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PCI: do not initialize bridges more than once

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In preparation for PCI core hotplug, we need to ensure that we do
not attempt to re-initialize bridges that have already been initialized.

We only need to worry about non-root buses, since we will not allow
root bus removal.

Reported-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Alex Chiang 2009-03-20 14:56:15 -06:00 committed by Jesse Barnes
parent 74710ded8e
commit b73e97d95c
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/setup-bus.c
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@ -144,6 +144,9 @@ static void pci_setup_bridge(struct pci_bus *bus)
struct pci_bus_region region;
u32 l, bu, lu, io_upper16;
if (!pci_is_root_bus(bus) && bus->is_added)
return;
dev_info(&bridge->dev, "PCI bridge, secondary bus %04x:%02x\n",
pci_domain_nr(bus), bus->number);