diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 37b2ef2..3f1051a 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -350,18 +350,9 @@
 		}
 		if (uart_handle_sysrq_char(&up->port, ch, regs))
 			goto ignore_char;
-		if ((disr & up->port.ignore_status_mask) == 0) {
-			tty_insert_flip_char(tty, ch, flag);
-		}
-		if ((disr & TXX9_SIDISR_UOER) &&
-		    tty->flip.count < TTY_FLIPBUF_SIZE) {
-			/*
-			 * Overrun is special, since it's reported
-			 * immediately, and doesn't affect the current
-			 * character.
-			 */
-			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
-		}
+
+		uart_insert_char(&up->port, disr, TXX9_SIDISR_UOER, ch, flag);
+
 	ignore_char:
 		disr = sio_in(up, TXX9_SIDISR);
 	} while (!(disr & TXX9_SIDISR_UVALID) && (max_count-- > 0));