diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index bfb08ab..9b7bb62 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -48,3 +48,6 @@
 struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev,
 					 resource_size_t start,
 					 resource_size_t end, int flags);
+struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,
+					  resource_size_t start,
+					  resource_size_t end, int flags);