OSAMP_MAX_DIVISOR
d1 = DIV_ROUND_UP(rate, 9600 * OSAMP_MAX_DIVISOR *
d2 = DIV_ROUND_UP(rate, 9600 * OSAMP_MAX_DIVISOR *
if (rate > 9600 * OSAMP_MAX_DIVISOR * BRDV_BAUD_MAX * d1 * d2)
m_divisor = OSAMP_MAX_DIVISOR;
OSAMP_MAX_DIVISOR);