tty: xtensa/iss, make rs_init static

To fix the warning:
warning: no previous prototype for 'rs_init'

Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: linux-xtensa@linux-xtensa.org
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-33-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 8ea261b..1e215cf 100644 (file)
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -141,7 +141,7 @@ static const struct tty_operations serial_ops = {
        .proc_show = rs_proc_show,
 };
 
-int __init rs_init(void)
+static int __init rs_init(void)
 {
        tty_port_init(&serial_port);