diff --git a/include/linux/irq.h b/include/linux/irq.h
index b0a44b8e0281..a6899402b522 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -18,6 +18,7 @@
 #include <linux/spinlock.h>
 #include <linux/cpumask.h>
 #include <linux/irqreturn.h>
+#include <linux/errno.h>
 
 #include <asm/irq.h>
 #include <asm/ptrace.h>