diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 6f9fdb2..599b116 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -41,6 +41,7 @@
 
 
 #ifdef CONFIG_PCMCIA_PROBE
+#include <asm/irq.h>
 /* mask of IRQs already reserved by other cards, we should avoid using them */
 static u8 pcmcia_used_irq[NR_IRQS];
 #endif