diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 29552ff182aa161204490d48bb26d9ec1e613e2e..fab1674b31b6beb989478cc8ed65894decdef84d 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -5,6 +5,7 @@
 #define _ASM_POWERPC_SYSTEM_H
 
 #include <linux/kernel.h>
+#include <linux/irqflags.h>
 
 #include <asm/hw_irq.h>