* mailbox, but without the offset AT91_MB_TX_FIRST. The lower bits
* encode the mailbox number, the upper 4 bits the mailbox priority:
*
- * priv->tx_next = (prio << AT91_NEXT_PRIO_SHIFT) ||
+ * priv->tx_next = (prio << AT91_NEXT_PRIO_SHIFT) |
* (mb - AT91_MB_TX_FIRST);
*
*/