diff --git a/drivers/cpufreq/blackfin-cpufreq.c b/drivers/cpufreq/blackfin-cpufreq.c
index 2a6f3ac858d2..12e97d8a9db0 100644
--- a/drivers/cpufreq/blackfin-cpufreq.c
+++ b/drivers/cpufreq/blackfin-cpufreq.c
@@ -112,7 +112,7 @@ static unsigned int bfin_getfreq_khz(unsigned int cpu)
 }
 
 #ifdef CONFIG_BF60x
-int cpu_set_cclk(int cpu, unsigned long new)
+static int cpu_set_cclk(int cpu, unsigned long new)
 {
 	struct clk *clk;
 	int ret;