serial: fix 8250 early console setup

the early setup function serial8250_console_early_setup() can be called
from non __init code (eg. hotpluggable serial ports like serial_cs) so
remove the __init from the call chain to avoid crashes.

Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Cc: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/serial/8250.c

@@ -2514,7 +2514,7 @@ static int __init serial8250_console_setup(struct console *co, char *options)
 	return uart_set_options(port, co, baud, parity, bits, flow);
 }
 
-static int __init serial8250_console_early_setup(void)
+static int serial8250_console_early_setup(void)
 {
 	return serial8250_find_port_for_earlycon();
 }

drivers/serial/8250_early.c

@@ -227,7 +227,7 @@ int __init setup_early_serial8250_console(char *cmdline)
 	return 0;
 }
 
-int __init serial8250_find_port_for_earlycon(void)
+int serial8250_find_port_for_earlycon(void)
 {
 	struct early_serial8250_device *device = &early_device;
 	struct uart_port *port = &device->port;

kernel/printk.c

@@ -732,7 +732,7 @@ int __init add_preferred_console(char *name, int idx, char *options)
 	return 0;
 }
 
-int __init update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options)
+int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options)
 {
 	struct console_cmdline *c;
 	int i;