USB: serial: opticon: simplify endpoint check

Simplify the endpoint sanity check by letting core verify that the
required endpoints are present.

Signed-off-by: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 3937b9c..58657d6 100644 (file)
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -367,16 +367,6 @@ static int opticon_ioctl(struct tty_struct *tty,
        return -ENOIOCTLCMD;
 }
 
-static int opticon_startup(struct usb_serial *serial)
-{
-       if (!serial->num_bulk_in) {
-               dev_err(&serial->dev->dev, "no bulk in endpoint\n");
-               return -ENODEV;
-       }
-
-       return 0;
-}
-
 static int opticon_port_probe(struct usb_serial_port *port)
 {
        struct opticon_private *priv;
@@ -408,8 +398,8 @@ static struct usb_serial_driver opticon_device = {
        },
        .id_table =             id_table,
        .num_ports =            1,
+       .num_bulk_in =          1,
        .bulk_in_size =         256,
-       .attach =               opticon_startup,
        .port_probe =           opticon_port_probe,
        .port_remove =          opticon_port_remove,
        .open =                 opticon_open,