TXX9_SIDISR_UOER
TXX9_SIDISR_UFER | TXX9_SIDISR_UOER))) {
if (disr & TXX9_SIDISR_UOER) {
uart_insert_char(up, disr, TXX9_SIDISR_UOER, ch, flag);
up->read_status_mask = TXX9_SIDISR_UOER |
up->ignore_status_mask |= TXX9_SIDISR_UOER;