add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/pci/hotplug/acpiphp_glue.c
..
..
@@ -503,12 +503,15 @@
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 				if (pass && dev->subordinate) {
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 					check_hotplug_bridge(slot, dev);
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 					pcibios_resource_survey_bus(dev->subordinate);
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-					__pci_bus_size_bridges(dev->subordinate,
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-							       &add_list);
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+					if (pci_is_root_bus(bus))
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+						__pci_bus_size_bridges(dev->subordinate, &add_list);
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 				}
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 			}
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 		}
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-		__pci_bus_assign_resources(bus, &add_list, NULL);
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+		if (pci_is_root_bus(bus))
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+			__pci_bus_assign_resources(bus, &add_list, NULL);
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+		else
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+			pci_assign_unassigned_bridge_resources(bus->self);
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 	}
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 	acpiphp_sanitize_bus(bus);