staging: emxx_udc: use USB API functions rather than constants

---
 drivers/staging/emxx_udc/emxx_udc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
 
diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index 77e4aee..0261d0b 100644
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -2622,7 +2622,7 @@ static int nbu2ss_ep_enable(
 		return -EINVAL;
 	}
 
-	ep_type = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
+	ep_type = usb_endpoint_type(desc);
 	if ((ep_type == USB_ENDPOINT_XFER_CONTROL)
 		|| (ep_type == USB_ENDPOINT_XFER_ISOC)) {
 
@@ -2644,7 +2644,7 @@ static int nbu2ss_ep_enable(
 	spin_lock_irqsave(&udc->lock, flags);
 
 	ep->desc = desc;
-	ep->epnum = desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+	ep->epnum = usb_endpoint_num(desc);
 	ep->direct = desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK;
 	ep->ep_type = ep_type;
 	ep->wedged = 0;