USB: ftdi_sio: Handle FT232RL devices like FT232BM devices

Handle the FT232RL device type in exactly the same way as FT232BM
devices (FT232RL detection was added around kernel 2.6.20 but not code
for handling it).

Signed-off-by: Andrew M. Bishop <amb@gedanken.demon.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 2d045857b18124bb81f85d4471152d5b4ff45f46..e4c248c98e8480faa45fbd72600f8fc81cd7c4af 100644 (file)
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1169,7 +1169,9 @@ static void remove_sysfs_attrs(struct usb_serial_port *port)
        /* XXX see create_sysfs_attrs */
        if (priv->chip_type != SIO) {
                device_remove_file(&port->dev, &dev_attr_event_char);
-               if (priv->chip_type == FT232BM || priv->chip_type == FT2232C) {
+               if (priv->chip_type == FT232BM ||
+                   priv->chip_type == FT2232C ||
+                   priv->chip_type == FT232RL) {
                        device_remove_file(&port->dev, &dev_attr_latency_timer);
                }
        }
@@ -2102,6 +2104,7 @@ static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file)
        case FT8U232AM:
        case FT232BM:
        case FT2232C:
+       case FT232RL:
                /* the 8U232AM returns a two byte value (the sio is a 1 byte value) - in the same
                   format as the data returned from the in point */
                if ((ret = usb_control_msg(port->serial->dev,