RNG_NSCR
writel_relaxed(priv->data->nscr & RNG_NSCR_MASK, priv->base + RNG_NSCR);
priv->pm_conf.nscr = readl_relaxed(priv->base + RNG_NSCR);
writel_relaxed(priv->pm_conf.nscr, priv->base + RNG_NSCR);