diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index 95d0f2df0ad4..672831d5ee32 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -93,6 +93,11 @@ struct dln2_mod_rx_slots {
 	spinlock_t lock;
 };
 
+enum dln2_endpoint {
+	DLN2_EP_OUT	= 0,
+	DLN2_EP_IN	= 1,
+};
+
 struct dln2_dev {
 	struct usb_device *usb_dev;
 	struct usb_interface *interface;
@@ -740,10 +745,10 @@ static int dln2_probe(struct usb_interface *interface,
 	    hostif->desc.bNumEndpoints < 2)
 		return -ENODEV;
 
-	epin = &hostif->endpoint[0].desc;
-	epout = &hostif->endpoint[1].desc;
+	epout = &hostif->endpoint[DLN2_EP_OUT].desc;
 	if (!usb_endpoint_is_bulk_out(epout))
 		return -ENODEV;
+	epin = &hostif->endpoint[DLN2_EP_IN].desc;
 	if (!usb_endpoint_is_bulk_in(epin))
 		return -ENODEV;