#define BRCR_UBDE (1 << 0)
#ifndef __ASSEMBLY__
-/* arch/sh/kernel/ubc.S */
-extern void ubc_wakeup(void);
+/* arch/sh/kernel/cpu/ubc.S */
extern void ubc_sleep(void);
+
+#ifdef CONFIG_UBC_WAKEUP
+extern void ubc_wakeup(void);
+#else
+#define ubc_wakeup() do { } while (0)
+#endif
#endif
#endif /* __KERNEL__ */