+
+#ifdef CONFIG_LOCKDEP
+void __irq_set_lockdep_class(unsigned int irq, struct lock_class_key *lock_class,
+ struct lock_class_key *request_class)
+{
+ struct irq_desc *desc = irq_to_desc(irq);
+
+ if (desc) {
+ lockdep_set_class(&desc->lock, lock_class);
+ lockdep_set_class(&desc->request_mutex, request_class);
+ }
+}
+EXPORT_SYMBOL_GPL(__irq_set_lockdep_class);
+#endif