PLL1031X_KDIV_MASK
kdiv = (pll_con3 & PLL1031X_KDIV_MASK);
old_kdiv = (pll_con3 >> PLL1031X_KDIV_SHIFT) & PLL1031X_KDIV_MASK;
con3 &= ~((PLL1031X_KDIV_MASK << PLL1031X_KDIV_SHIFT) |