tty_ldisc: simplify tty_ldisc_autoload initialization

We have got existing macro to check for CONFIG option, use it.

Signed-off-by: Pavel Machek <pavel@denx.de>
Link: https://lore.kernel.org/r/20190924083244.GA4344@amd
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 4c49f53..ec1f6a4 100644 (file)
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -156,12 +156,7 @@ static void put_ldops(struct tty_ldisc_ops *ldops)
  *             takes tty_ldiscs_lock to guard against ldisc races
  */
 
-#if defined(CONFIG_LDISC_AUTOLOAD)
-       #define INITIAL_AUTOLOAD_STATE  1
-#else
-       #define INITIAL_AUTOLOAD_STATE  0
-#endif
-static int tty_ldisc_autoload = INITIAL_AUTOLOAD_STATE;
+static int tty_ldisc_autoload = IS_BUILTIN(CONFIG_LDISC_AUTOLOAD);
 
 static struct tty_ldisc *tty_ldisc_get(struct tty_struct *tty, int disc)
 {