Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/pci/hotplug/cpci_hotplug.h b/drivers/pci/hotplug/cpci_hotplug.h
index 4658557..f33ff2b 100644
--- a/drivers/pci/hotplug/cpci_hotplug.h
+++ b/drivers/pci/hotplug/cpci_hotplug.h
@@ -32,8 +32,10 @@
 	unsigned int devfn;
 	struct pci_bus *bus;
 	struct pci_dev *dev;
+	unsigned int latch_status:1;
+	unsigned int adapter_status:1;
 	unsigned int extracting;
-	struct hotplug_slot *hotplug_slot;
+	struct hotplug_slot hotplug_slot;
 	struct list_head slot_list;
 };
 
@@ -58,7 +60,12 @@
 
 static inline const char *slot_name(struct slot *slot)
 {
-	return hotplug_slot_name(slot->hotplug_slot);
+	return hotplug_slot_name(&slot->hotplug_slot);
+}
+
+static inline struct slot *to_slot(struct hotplug_slot *hotplug_slot)
+{
+	return container_of(hotplug_slot, struct slot, hotplug_slot);
 }
 
 int cpci_hp_register_controller(struct cpci_hp_controller *controller);