Q_DESC_SIZE
tail = low_address(cmd_q->qdma_tail + cmd_q->qidx * Q_DESC_SIZE);
memset(&desc, 0, Q_DESC_SIZE);
memset(&desc, 0, Q_DESC_SIZE);
memset(&desc, 0, Q_DESC_SIZE);
memset(&desc, 0, Q_DESC_SIZE);
memset(&desc, 0, Q_DESC_SIZE);
memset(&desc, 0, Q_DESC_SIZE);
cmd_q->qsize = Q_SIZE(Q_DESC_SIZE);
tail = lower_32_bits(cmd_q->qdma_tail + cmd_q->qidx * Q_DESC_SIZE);
cmd_q->qsize = Q_SIZE(Q_DESC_SIZE);
tail = lower_32_bits(cmd_q->qdma_tail + cmd_q->qidx * Q_DESC_SIZE);