DMAC_INT_BIT_TX_IOC_
ioc_bit = DMAC_INT_BIT_TX_IOC_(tx->channel_number);
DMAC_INT_BIT_TX_IOC_(tx->channel_number));
DMAC_INT_BIT_TX_IOC_(tx->channel_number));
u32 ioc_bit = DMAC_INT_BIT_TX_IOC_(tx->channel_number);