/* /sys/devices/system/cpu/cpufreq: entry point for global variables */
extern struct kobject *cpufreq_global_kobject;
-int cpufreq_sysfs_create_file(const struct attribute *attr);
-void cpufreq_sysfs_remove_file(const struct attribute *attr);
#ifdef CONFIG_CPU_FREQ
unsigned int cpufreq_get(unsigned int cpu);