diff --git a/arch/arm/mach-ixp4xx/nslu2-pci.c b/arch/arm/mach-ixp4xx/nslu2-pci.c
index 0de639d6e60a..04661fef97f5 100644
--- a/arch/arm/mach-ixp4xx/nslu2-pci.c
+++ b/arch/arm/mach-ixp4xx/nslu2-pci.c
@@ -17,6 +17,7 @@
 
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 
 #include <asm/mach/pci.h>
 #include <asm/mach-types.h>
diff --git a/arch/arm/mach-ixp4xx/nslu2-power.c b/arch/arm/mach-ixp4xx/nslu2-power.c
index e2a2230b69f0..a29b3b2b61b6 100644
--- a/arch/arm/mach-ixp4xx/nslu2-power.c
+++ b/arch/arm/mach-ixp4xx/nslu2-power.c
@@ -19,6 +19,7 @@
 
 #include <linux/module.h>
 #include <linux/reboot.h>
+#include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/reboot.h>