diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 00dae5b..2a1897e 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -364,6 +364,7 @@
 int pnp_device_attach(struct pnp_dev *pnp_dev);
 void pnp_device_detach(struct pnp_dev *pnp_dev);
 extern struct list_head pnp_global;
+extern int pnp_platform_devices;
 
 /* multidevice card support */
 int pnp_add_card(struct pnp_card *card);
@@ -411,6 +412,7 @@
 static inline int pnp_add_device(struct pnp_dev *dev) { return -ENODEV; }
 static inline int pnp_device_attach(struct pnp_dev *pnp_dev) { return -ENODEV; }
 static inline void pnp_device_detach(struct pnp_dev *pnp_dev) { ; }
+#define pnp_platform_devices 0
 
 /* multidevice card support */
 static inline int pnp_add_card(struct pnp_card *card) { return -ENODEV; }