TX_FIFO_HALF_EMPTY
(fifo_status & TX_FIFO_HALF_EMPTY)) {
(fifo_status_bits & TX_FIFO_HALF_EMPTY);
TX_FIFO_HALF_EMPTY)) ||
control_tx_irq_watermark(c, TX_FIFO_HALF_EMPTY);
control_tx_irq_watermark(dev, TX_FIFO_HALF_EMPTY);
ctrl |= (TX_FIFO_HALF_EMPTY << CTRL_TX_INT_SHIFT);