1 files changed, 3 insertions, 2 deletions

diff --git a/include/linux/isa.h b/include/linux/isa.h
index 5ab85281230b..f2d0258414cf 100644
--- a/include/linux/isa.h
+++ b/include/linux/isa.h
@@ -6,6 +6,7 @@
 #define __LINUX_ISA_H
 
 #include <linux/device.h>
+#include <linux/errno.h>
 #include <linux/kernel.h>
 
 struct isa_driver {
@@ -22,13 +23,13 @@ struct isa_driver {
 
 #define to_isa_driver(x) container_of((x), struct isa_driver, driver)
 
-#ifdef CONFIG_ISA
+#ifdef CONFIG_ISA_BUS_API
 int isa_register_driver(struct isa_driver *, unsigned int);
 void isa_unregister_driver(struct isa_driver *);
 #else
 static inline int isa_register_driver(struct isa_driver *d, unsigned int i)
 {
-        return 0;
+        return -ENODEV;
 }
 
 static inline void isa_unregister_driver(struct isa_driver *d)