diff options
Diffstat (limited to 'drivers/usb/serial/ssu100.c')
| -rw-r--r-- | drivers/usb/serial/ssu100.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index e986002b384..8bd60e3c8b2 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -416,6 +416,30 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) return 0; } +static int ssu100_get_icount(struct tty_struct *tty, + struct serial_icounter_struct *icount) +{ + struct usb_serial_port *port = tty->driver_data; + struct ssu100_port_private *priv = usb_get_serial_port_data(port); + struct async_icount cnow = priv->icount; + + icount->cts = cnow.cts; + icount->dsr = cnow.dsr; + icount->rng = cnow.rng; + icount->dcd = cnow.dcd; + icount->rx = cnow.rx; + icount->tx = cnow.tx; + icount->frame = cnow.frame; + icount->overrun = cnow.overrun; + icount->parity = cnow.parity; + icount->brk = cnow.brk; + icount->buf_overrun = cnow.buf_overrun; + + return 0; +} + + + static int ssu100_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { @@ -433,27 +457,6 @@ static int ssu100_ioctl(struct tty_struct *tty, struct file *file, case TIOCMIWAIT: return wait_modem_info(port, arg); - case TIOCGICOUNT: - { - struct serial_icounter_struct icount; - struct async_icount cnow = priv->icount; - memset(&icount, 0, sizeof(icount)); - icount.cts = cnow.cts; - icount.dsr = cnow.dsr; - icount.rng = cnow.rng; - icount.dcd = cnow.dcd; - icount.rx = cnow.rx; - icount.tx = cnow.tx; - icount.frame = cnow.frame; - icount.overrun = cnow.overrun; - icount.parity = cnow.parity; - icount.brk = cnow.brk; - icount.buf_overrun = cnow.buf_overrun; - if (copy_to_user(user_arg, &icount, sizeof(icount))) - return -EFAULT; - return 0; - } - default: break; } @@ -726,6 +729,7 @@ static struct usb_serial_driver ssu100_device = { .process_read_urb = ssu100_process_read_urb, .tiocmget = ssu100_tiocmget, .tiocmset = ssu100_tiocmset, + .get_icount = ssu100_get_icount, .ioctl = ssu100_ioctl, .set_termios = ssu100_set_termios, .disconnect = usb_serial_generic_disconnect, |