REG_SQRTC
writel(SQ_STOP, mcq_opr_base(hba, OPR_SQD, id) + REG_SQRTC);
writel(SQ_START, mcq_opr_base(hba, OPR_SQD, id) + REG_SQRTC);
writel(readl(opr_sqd_base + REG_SQRTC) | SQ_ICU,
opr_sqd_base + REG_SQRTC);