frac_to_int
power_range = sustainable_power + frac_to_int(power_range);
trace_thermal_power_allocator_pid(tz, frac_to_int(err),
frac_to_int(params->err_integral),
frac_to_int(p), frac_to_int(i),
frac_to_int(d), power_range);
pa->weighted_req_power = frac_to_int(weight * pa->req_power);