*   0:        Success
  *   Positive: When we have a managed CPU and the sysfs got symlinked
  */
-int cpufreq_add_dev_policy(unsigned int cpu, struct cpufreq_policy *policy,
-               struct sys_device *sys_dev)
+static int cpufreq_add_dev_policy(unsigned int cpu,
+                                 struct cpufreq_policy *policy,
+                                 struct sys_device *sys_dev)
 {
        int ret = 0;
 #ifdef CONFIG_SMP
 
 
 /* symlink affected CPUs */
-int cpufreq_add_dev_symlink(unsigned int cpu, struct cpufreq_policy *policy)
+static int cpufreq_add_dev_symlink(unsigned int cpu,
+                                  struct cpufreq_policy *policy)
 {
        unsigned int j;
        int ret = 0;
        return ret;
 }
 
-int cpufreq_add_dev_interface(unsigned int cpu, struct cpufreq_policy *policy,
-               struct sys_device *sys_dev)
+static int cpufreq_add_dev_interface(unsigned int cpu,
+                                    struct cpufreq_policy *policy,
+                                    struct sys_device *sys_dev)
 {
        struct cpufreq_policy new_policy;
        struct freq_attr **drv_attr;