MII_M1011_PHY_SCR_DOWNSHIFT_MASK
cnt = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, val) + 1;
val |= FIELD_PREP(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, cnt - 1);
MII_M1011_PHY_SCR_DOWNSHIFT_MASK,