need_voltage_tracking 44 drivers/cpufreq/mediatek-cpufreq.c bool need_voltage_tracking; need_voltage_tracking 195 drivers/cpufreq/mediatek-cpufreq.c if (info->need_voltage_tracking) need_voltage_tracking 392 drivers/cpufreq/mediatek-cpufreq.c info->need_voltage_tracking = !IS_ERR(sram_reg);