--- a/include/compat.h
+++ b/include/compat.h
@@ -204,6 +204,10 @@ static inline int timeval_compare(struct
 #define CTLNAME(x)
 #endif
 
+#ifndef __devinitdata
+#define __devinitdata
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif /* _ATH_COMPAT_H_ */