--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -242,7 +242,7 @@ void orion5x_setup_wins(void)
 
 int orion5x_tclk;
 
-int __init orion5x_find_tclk(void)
+static __init int orion5x_find_tclk(void)
 {
 	u32 dev, rev;
 
