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[S390] con3215: remove empty ioctl function

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...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>
This commit is contained in:
Heiko Carstens 2010-01-13 20:44:41 +01:00 committed by Martin Schwidefsky
parent f8b068593d
commit 7b475d59a0
1 changed files with 0 additions and 17 deletions
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17
drivers/s390/char/con3215.c
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@ -1036,22 +1036,6 @@ static void tty3215_flush_buffer(struct tty_struct *tty)
tty_wakeup(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
*/
@ -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,