SDIV_MASK
sdiv = FIELD_GET(SDIV_MASK, pll_div_ctl0);
sdiv = FIELD_GET(SDIV_MASK, pll_div_ctl0);
tmp &= ~SDIV_MASK;
tmp |= FIELD_PREP(SDIV_MASK, rate->sdiv);
FIELD_PREP(SDIV_MASK, rate->sdiv);
div_ctl0 &= ~SDIV_MASK;
div_ctl0 |= FIELD_PREP(SDIV_MASK, rate.sdiv);
FIELD_PREP(SDIV_MASK, rate.sdiv);