cpufreq_get_hardware_limits
int cpufreq_get_hardware_limits(unsigned int cpu,
if (cpufreq_get_hardware_limits(cpu, &min, &max)) {
if (cpufreq_get_hardware_limits(cpu, &min, &max)) {
cpufreq_get_hardware_limits(cpu, &cpuinfo_min, &cpuinfo_max);
if (cpufreq_get_hardware_limits(0, &min, &max_frequency)) {