RXFERR 219 drivers/tty/serial/arc_uart.c if (unlikely(status & (RXOERR | RXFERR))) { RXFERR 226 drivers/tty/serial/arc_uart.c if (status & RXFERR) { RXFERR 229 drivers/tty/serial/arc_uart.c UART_CLR_STATUS(port, RXFERR);