TXX9_SIDISR_UPER
if (unlikely(disr & (TXX9_SIDISR_UBRK | TXX9_SIDISR_UPER |
disr &= ~(TXX9_SIDISR_UFER | TXX9_SIDISR_UPER);
} else if (disr & TXX9_SIDISR_UPER)
} else if (disr & TXX9_SIDISR_UPER)
up->read_status_mask |= TXX9_SIDISR_UFER | TXX9_SIDISR_UPER;
up->ignore_status_mask |= TXX9_SIDISR_UPER | TXX9_SIDISR_UFER;