+	while (bcom_buffer_done(priv->tx_dmatsk)) {
+		struct sk_buff *skb;
+		skb = bcom_retrieve_buffer(priv->tx_dmatsk, NULL, NULL);
+		/* Here (and in rx routines) would be a good place for
+		 * dma_unmap_single(), but bcom doesn't return bcom_bd of the
+		 * finished transfer, and _unmap is empty on this platfrom.
+		 */
+

Of course bestcomm let's you get back the bcom_bd ... What do you think
your second NULL parameter is for ?
Give it a pointer to a bcom_bd * and it will fill your pointer for you to
point to the bd you just got back.


   Sylvain