* out of the main execution path
*/
rsr = readw(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
- if (rsr & UART01x_RSR_ANY) {
+ if (unlikely(rsr & UART01x_RSR_ANY)) {
if (rsr & UART01x_RSR_BE) {
rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
uap->port.icount.brk++;
if (uart_handle_sysrq_char(&uap->port, ch, regs))
goto ignore_char;
- if ((rsr & uap->port.ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
- }
- if ((rsr & UART01x_RSR_OE) &&
- 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(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
+
ignore_char:
status = readw(uap->port.membase + UART01x_FR);
}