EDMA_REG_TPD_IDX_Q
(EDMA_REG_READ(sc, EDMA_REG_TPD_IDX_Q(i))
reg = EDMA_REG_READ(sc, EDMA_REG_TPD_IDX_Q(i));
EDMA_REG_WRITE(sc, EDMA_REG_TPD_IDX_Q(i), reg);
reg = EDMA_REG_READ(sc, EDMA_REG_TPD_IDX_Q(queue_id));
reg = EDMA_REG_READ(sc, EDMA_REG_TPD_IDX_Q(queue_id));
EDMA_REG_WRITE(sc, EDMA_REG_TPD_IDX_Q(queue_id), reg);