tty: Convert the USB drivers to the new icount interface

Simple pasting job using the new ops function. Also fix a couple of devices
directly returning the internal struct (which happens at this point to match
for the fields that matter but isn't correct or futureproof)

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 97cc87d654ce..891c20e3bb38 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2168,6 +2168,7 @@ static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
          * - mask passed in arg for lines of interest
          *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
          * Caller should use TIOCGICOUNT to see which one it was.
+         * (except that the driver doesn't support it !)
          *
          * This code is borrowed from linux/drivers/char/serial.c
          */