DKL_PLL_BIAS_FBDIV_SHIFT
#define DKL_PLL_BIAS_FBDIV_FRAC(x) ((x) << DKL_PLL_BIAS_FBDIV_SHIFT)
#define DKL_PLL_BIAS_FBDIV_FRAC_MASK (0x3FFFFF << DKL_PLL_BIAS_FBDIV_SHIFT)
m2_frac = m2_frac >> DKL_PLL_BIAS_FBDIV_SHIFT;