dgnc: leave TIOC[GS]SOFTCAR to ldisc

no point duplicating that in tty_operations ->ioctl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 24 deletions

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index 040af55e9e68..c01616f9e609 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -2080,31 +2080,7 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
         }
 
         switch (cmd) {
-        /* Here are all the standard ioctl's that we MUST implement */
-        case TIOCGSOFTCAR:
-
-                spin_unlock_irqrestore(&ch->ch_lock, flags);
-
-                return put_user(C_CLOCAL(tty) ? 1 : 0,
-                                (unsigned long __user *)arg);
-
-        case TIOCSSOFTCAR:
-
-                spin_unlock_irqrestore(&ch->ch_lock, flags);
-                rc = get_user(arg, (unsigned long __user *)arg);
-                if (rc)
-                        return rc;
-
-                spin_lock_irqsave(&ch->ch_lock, flags);
-                tty->termios.c_cflag = ((tty->termios.c_cflag & ~CLOCAL) |
-                                       (arg ? CLOCAL : 0));
-                ch_bd_ops->param(tty);
-                spin_unlock_irqrestore(&ch->ch_lock, flags);
-
-                return 0;
-
                 /* Here are any additional ioctl's that we want to implement */
-
         case TCFLSH:
                 /*
                  * The linux tty driver doesn't have a flush