rd_reg_word_relaxed
cnt = rd_reg_word_relaxed(ISP_REQ_Q_OUT(ha, reg));
rd_reg_word_relaxed(ISP_REQ_Q_IN(ha, reg)); /* PCI Posting. */
rd_reg_word_relaxed(ISP_REQ_Q_IN(ha, ®->isp));
rd_reg_word_relaxed(®->hccr);