KHZ2PICOS
if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
return KHZ2PICOS(mode1->clock) == KHZ2PICOS(mode2->clock);