* will be serialised by the per-port mutex.
  */
 static int uart_port_startup(struct tty_struct *tty, struct uart_state *state,
-               int init_hw)
+                            bool init_hw)
 {
        struct uart_port *uport = uart_port_check(state);
        unsigned long flags;
 }
 
 static int uart_startup(struct tty_struct *tty, struct uart_state *state,
-               int init_hw)
+                       bool init_hw)
 {
        struct tty_port *port = &state->port;
        int retval;
                        uart_change_speed(tty, state, NULL);
                }
        } else {
-               retval = uart_startup(tty, state, 1);
+               retval = uart_startup(tty, state, true);
                if (retval == 0)
                        tty_port_set_initialized(port, true);
                if (retval > 0)
                 */
                uport->ops->config_port(uport, flags);
 
-               ret = uart_startup(tty, state, 1);
+               ret = uart_startup(tty, state, true);
                if (ret == 0)
                        tty_port_set_initialized(port, true);
                if (ret > 0)
        /*
         * Start up the serial port.
         */
-       ret = uart_startup(tty, state, 0);
+       ret = uart_startup(tty, state, false);
        if (ret > 0)
                tty_port_set_active(port, true);