usb_set_configuration
status = usb_set_configuration(ps->dev, u);
err = usb_set_configuration(udev, c);
usb_set_configuration(udev, -1);
usb_set_configuration(udev, 1);
usb_set_configuration(udev, 0);
usb_set_configuration(usb_dev, -1);
result = usb_set_configuration(usb_dev, c);
EXPORT_SYMBOL_GPL(usb_set_configuration);
usb_set_configuration(udev, req->config);
value = usb_set_configuration(udev, config);
usb_set_configuration(udev, -1);
extern int usb_set_configuration(struct usb_device *dev, int configuration);
err = usb_set_configuration(sdev->udev, config);
extern int usb_set_configuration(struct usb_device *dev, int configuration);