USB: serial: kobil_sct: 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/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 813035f51fe73a4e0de69ce76e6c3329ba4d376c..3024b9b253605160a5f5e7038159bcc47ec4d1ea 100644 (file)
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -51,7 +51,6 @@
 
 
 /* Function prototypes */
-static int kobil_attach(struct usb_serial *serial);
 static int kobil_port_probe(struct usb_serial_port *probe);
 static int kobil_port_remove(struct usb_serial_port *probe);
 static int  kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
@@ -87,7 +86,7 @@ static struct usb_serial_driver kobil_device = {
        .description =          "KOBIL USB smart card terminal",
        .id_table =             id_table,
        .num_ports =            1,
-       .attach =               kobil_attach,
+       .num_interrupt_out =    1,
        .port_probe =           kobil_port_probe,
        .port_remove =          kobil_port_remove,
        .ioctl =                kobil_ioctl,
@@ -115,16 +114,6 @@ struct kobil_private {
 };
 
 
-static int kobil_attach(struct usb_serial *serial)
-{
-       if (serial->num_interrupt_out < serial->num_ports) {
-               dev_err(&serial->interface->dev, "missing interrupt-out endpoint\n");
-               return -ENODEV;
-       }
-
-       return 0;
-}
-
 static int kobil_port_probe(struct usb_serial_port *port)
 {
        struct usb_serial *serial = port->serial;