AH_TIME_QUANTUM
udelay(AH_TIME_QUANTUM);
udelay(AH_TIME_QUANTUM);
BUG_ON(timeout < AH_TIME_QUANTUM);
for (i = 0; i < (timeout / AH_TIME_QUANTUM); i++) {
udelay(AH_TIME_QUANTUM);
for (i = AH_RX_STOP_DMA_TIMEOUT / AH_TIME_QUANTUM; i != 0; i--) {
udelay(AH_TIME_QUANTUM);