1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 1f05bbeac01e..b44034eca123 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -66,6 +66,7 @@ enum {
  * dependent on the 8250 driver.
  */
 struct uart_port;
+struct uart_8250_port;
 
 int serial8250_register_port(struct uart_port *);
 void serial8250_unregister_port(int line);
@@ -82,6 +83,9 @@ extern void serial8250_do_set_termios(struct uart_port *port,
 extern void serial8250_do_pm(struct uart_port *port, unsigned int state,
                              unsigned int oldstate);
 int serial8250_handle_irq(struct uart_port *port, unsigned int iir);
+unsigned char serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr);
+void serial8250_tx_chars(struct uart_8250_port *up);
+unsigned int serial8250_modem_status(struct uart_8250_port *up);
 
 extern void serial8250_set_isa_configurator(void (*v)
                                         (int port, struct uart_port *up,