diff options
Diffstat (limited to 'drivers/serial/crisv10.c')
| -rw-r--r-- | drivers/serial/crisv10.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index 31f172397af..30626440a06 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -3724,6 +3724,17 @@ rs_ioctl(struct tty_struct *tty, struct file * file, return e100_enable_rs485(tty, &rs485data); } + case TIOCGRS485: + { + struct serial_rs485 *rs485data = + &(((struct e100_serial *)tty->driver_data)->rs485); + /* This is the ioctl to get RS485 data from user-space */ + if (copy_to_user((struct serial_rs485 *) arg, + rs485data, + sizeof(serial_rs485))) + return -EFAULT; + break; + } case TIOCSERWRRS485: { |