diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index dffef2549d82..2c3d4943d721 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -1192,6 +1192,7 @@ int irq_domain_disconnect_hierarchy(struct irq_domain *domain,
 	irqd->chip = ERR_PTR(-ENOTCONN);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(irq_domain_disconnect_hierarchy);
 
 static int irq_domain_trim_hierarchy(unsigned int virq)
 {