+/*
+ * This should be used by drivers which want to register
+ * their own 8250 ports without registering their own
+ * platform device. Using these will make your driver
+ * dependent on the 8250 driver.
+ */
+struct uart_port;
+
+int serial8250_register_port(struct uart_port *);
+void serial8250_unregister_port(int line);
+void serial8250_suspend_port(int line);
+void serial8250_resume_port(int line);
+
+extern int early_serial_setup(struct uart_port *port);
+
+extern int serial8250_find_port(struct uart_port *p);
+extern int serial8250_find_port_for_earlycon(void);
+extern int setup_early_serial8250_console(char *cmdline);
+