struct ucc_fast *uf_regs; /* a pointer to memory map of UCC regs. */
u32 *p_ucce; /* a pointer to the event register in memory. */
u32 *p_uccm; /* a pointer to the mask register in memory. */
+#ifdef CONFIG_UGETH_TX_ON_DEMAND
+ u16 *p_utodr; /* pointer to the transmit on demand register */
+#endif
int enabled_tx; /* Whether channel is enabled for Tx (ENT) */
int enabled_rx; /* Whether channel is enabled for Rx (ENR) */
int stopped_tx; /* Whether channel has been stopped for Tx