PSEC_PER_NSEC
return (gate_len_ns - VSC9959_TAS_MIN_GATE_LEN_NS) * PSEC_PER_NSEC;
DIV_U64_ROUND_CLOSEST(scaled_ns * PSEC_PER_NSEC, 466U);
return div_u64(len * atomic64_read(&q->picos_per_byte), PSEC_PER_NSEC);
return div_u64(duration * PSEC_PER_NSEC, atomic64_read(&q->picos_per_byte));
budget = div64_u64((u64)entry->gate_duration[tc] * PSEC_PER_NSEC,