1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index b68ad80e2464..7fc1022be9ee 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -47,7 +47,10 @@ struct hw_interrupt_type {
         void (*ack)(unsigned int irq);
         void (*end)(unsigned int irq);
         void (*set_affinity)(unsigned int irq, cpumask_t dest);
+        /* Currently used only by UML, might disappear one day.*/
+#ifdef CONFIG_IRQ_RELEASE_METHOD
         void (*release)(unsigned int irq, void *dev_id);
+#endif
 };
 
 typedef struct hw_interrupt_type  hw_irq_controller;