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[POWERPC] pci_32.c: Switch to ref counting PCI API

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pci_find_slot isn't hot-plug safe.  Move this code to the pci hotplug
safe equivalent and hold a refcount properly while doing
make_one_node_map.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Alan Cox 2007-04-23 14:47:59 +01:00 committed by Paul Mackerras
parent 37f01d64d8
commit ab4627683a
1 changed files with 5 additions and 2 deletions
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7
arch/powerpc/kernel/pci_32.c
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@ -656,10 +656,13 @@ make_one_node_map(struct device_node* node, u8 pci_bus)
reg = of_get_property(node, "reg", NULL);
if (!reg)
continue;
dev = pci_find_slot(pci_bus, ((reg[0] >> 8) & 0xff));
if (!dev || !dev->subordinate)
dev = pci_get_bus_and_slot(pci_bus, ((reg[0] >> 8) & 0xff));
if (!dev || !dev->subordinate) {
pci_dev_put(dev);
continue;
}
make_one_node_map(node, dev->subordinate->number);
pci_dev_put(dev);
}
}