TUNING_ITERATION_TO_PHASE
TUNING_ITERATION_TO_PHASE(
TUNING_ITERATION_TO_PHASE(ranges[i].start,
TUNING_ITERATION_TO_PHASE(ranges[i].end,
TUNING_ITERATION_TO_PHASE(ranges[longest_range].start,
TUNING_ITERATION_TO_PHASE(ranges[longest_range].end,
phase = TUNING_ITERATION_TO_PHASE(middle_phase, priv->num_phases);