Revert the dodgy ia64 serial console changeset by Bjorn Helgaas.

It results in serial console getting initialised really late and the
suggested workaround is broken according to Keith. 

Cset exclude: akpm@osdl.org|ChangeSet|20040213234712|28554

drivers/serial/8250.c

@@ -1976,8 +1976,6 @@ static int __init serial8250_console_setup(struct console *co, char *options)
 	if (co->index >= UART_NR)
 		co->index = 0;
 	port = &serial8250_ports[co->index].port;
-	if (port->type == PORT_UNKNOWN)
-		return -ENODEV;
 
 	/*
 	 * Temporary fix.
@@ -2009,14 +2007,6 @@ static int __init serial8250_console_init(void)
 }
 console_initcall(serial8250_console_init);
 
-static int __init serial8250_late_console_init(void)
-{
-	if (!(serial8250_console.flags & CON_ENABLED))
-		register_console(&serial8250_console);
-	return 0;
-}
-late_initcall(serial8250_late_console_init);
-
 #define SERIAL8250_CONSOLE	&serial8250_console
 #else
 #define SERIAL8250_CONSOLE	NULL

drivers/serial/serial_core.c

@@ -1871,6 +1871,9 @@ uart_set_options(struct uart_port *port, struct console *co,
 	if (flow == 'r')
 		termios.c_cflag |= CRTSCTS;
 
+	if (!port->ops)
+		return 0;	/* "console=" on ia64 */
+
 	port->ops->set_termios(port, &termios, NULL);
 	co->cflag = termios.c_cflag;