USB: oti6858: fix TCFLSH ioctl handling

Removes unimplemented TCFLSH handling from oti6858, because it was 
preventing TCFLSH handling by upper layer (line discipline) drivers (see 
drivers/char/tty_io.c line 3450).

Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index a3847d6c946e..8acc907a3181 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -814,10 +814,6 @@ static int oti6858_ioctl(struct usb_serial_port *port, struct file *file,
                                 __FUNCTION__, port->number, cmd, arg);
 
         switch (cmd) {
-                case TCFLSH:
-                        /* FIXME */
-                        return 0;
-
                 case TIOCMBIS:
                         if (copy_from_user(&x, user_arg, sizeof(x)))
                                 return -EFAULT;