diff --git a/include/asm-mips/setup.h b/include/asm-mips/setup.h
index 883f59bfa097f26f437c465596b5ab26d956c0db..e600cedda9762dac44ea7975f8bdab18d4ad2ba0 100644
--- a/include/asm-mips/setup.h
+++ b/include/asm-mips/setup.h
@@ -3,6 +3,8 @@
 
 #define COMMAND_LINE_SIZE	256
 
+#ifdef  __KERNEL__
 extern void setup_early_printk(void);
+#endif /* __KERNEL__ */
 
 #endif /* __SETUP_H */