PCI: Assign resources for hot-added host bridge more aggressively
When hot-adding an ACPI host bridge, use
pci_assign_unassigned_root_bus_resources() instead of
pci_assign_unassigned_bus_resources().
The former is more aggressive and will release and reassign existing
resources if necessary. This is safe at hot-add time because no drivers
are bound to devices below the new host bridge yet.
[bhelgaas: changelog, split __init changes out for reviewability]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 8d1e654..94b777d 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1395,7 +1395,7 @@
* second and later try will clear small leaf bridge res
* will stop till to the max deepth if can not find good one
*/
-static void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)
+void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)
{
LIST_HEAD(realloc_head); /* list of resources that
want additional resources */