[S390] con3215: remove empty ioctl function

...instead of adding a compat ioctl function which would do nothing
as well.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 9d61683..59ec073 100644 (file)
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -1037,22 +1037,6 @@ static void tty3215_flush_buffer(struct tty_struct *tty)
 }
 
 /*
- * Currently we don't have any io controls for 3215 ttys
- */
-static int tty3215_ioctl(struct tty_struct *tty, struct file * file,
-                        unsigned int cmd, unsigned long arg)
-{
-       if (tty->flags & (1 << TTY_IO_ERROR))
-               return -EIO;
-
-       switch (cmd) {
-       default:
-               return -ENOIOCTLCMD;
-       }
-       return 0;
-}
-
-/*
  * Disable reading from a 3215 tty
  */
 static void tty3215_throttle(struct tty_struct * tty)
@@ -1117,7 +1101,6 @@ static const struct tty_operations tty3215_ops = {
        .write_room = tty3215_write_room,
        .chars_in_buffer = tty3215_chars_in_buffer,
        .flush_buffer = tty3215_flush_buffer,
-       .ioctl = tty3215_ioctl,
        .throttle = tty3215_throttle,
        .unthrottle = tty3215_unthrottle,
        .stop = tty3215_stop,