diff options
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/pl2303.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 571dcf1..895d072 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -895,10 +895,23 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) static int pl2303_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { + struct serial_struct ser; struct usb_serial_port *port = tty->driver_data; dbg("%s (%d) cmd = 0x%04x", __func__, port->number, cmd); switch (cmd) { + case TIOCGSERIAL: + memset(&ser, 0, sizeof ser); + ser.type = PORT_16654; + ser.line = port->serial->minor; + ser.port = port->number; + ser.baud_base = 460800; + + if (copy_to_user((void __user *)arg, &ser, sizeof ser)) + return -EFAULT; + + return 0; + case TIOCMIWAIT: dbg("%s (%d) TIOCMIWAIT", __func__, port->number); return wait_modem_info(port, arg); |
