BTNXPUART_IR_IN_PROGRESS
if (test_and_clear_bit(BTNXPUART_IR_IN_PROGRESS, &nxpdev->tx_state))
set_bit(BTNXPUART_IR_IN_PROGRESS, &nxpdev->tx_state);
return test_bit(BTNXPUART_IR_IN_PROGRESS, &nxpdev->tx_state);