cpufreq_online 336 drivers/cpufreq/cpufreq-dt.c .online = cpufreq_online, cpufreq_online 1521 drivers/cpufreq/cpufreq.c ret = cpufreq_online(cpu); cpufreq_online 2609 drivers/cpufreq/cpufreq.c cpufreq_online(cpu);