diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 35b8d97c3a1d..e254f3472ad1 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -296,6 +296,7 @@ void irq_domain_update_bus_token(struct irq_domain *domain,
 
 	mutex_unlock(&irq_domain_mutex);
 }
+EXPORT_SYMBOL_GPL(irq_domain_update_bus_token);
 
 /**
  * irq_domain_add_simple() - Register an irq_domain and optionally map a range of irqs