diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 6f60097..4c2a625 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -46,6 +46,7 @@
 void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc);
 
 void pnp_init_resource(struct resource *res);
+int pnp_resource_type(struct resource *res);
 
 struct pnp_resource *pnp_get_pnp_resource(struct pnp_dev *dev,
 					  unsigned int type, unsigned int num);