GMAC_FC_TX_TIMER_REG
dsaf_set_dev_field(drv, GMAC_FC_TX_TIMER_REG, GMAC_FC_TX_TIMER_M,
*newval = dsaf_get_dev_field(drv, GMAC_FC_TX_TIMER_REG,
regs[2] = dsaf_read_dev(drv, GMAC_FC_TX_TIMER_REG);