MVXPE_RQC
reg = MVXPE_READ(sc, MVXPE_RQC) & MVXPE_RQC_EN_MASK;
MVXPE_WRITE(sc, MVXPE_RQC, reg);
reg = MVXPE_READ(sc, MVXPE_RQC) & MVXPE_RQC_EN_MASK;
MVXPE_WRITE(sc, MVXPE_RQC, reg);
reg = MVXPE_READ(sc, MVXPE_RQC);
DPRINTSC(sc, 2, "RQC: %#x\n", MVXPE_READ(sc, MVXPE_RQC));