* Tero Kristo <t-kri...@ti.com> [151130 06:44]:
> + /*
> + * Errata i810 - DPLL controller can get stuck while transitioning
> + * to a power saving state. Software must ensure the DPLL can not
> + * transition to a low power state while changing M/N values.
> + * Easiest way to accomplish this is to prevent DPLL autoidle
> + * before doing the M/N re-program.
> + */
> + errata_i810 = ti_clk_get_features()->flags & TI_CLK_ERRATA_I810;
> +
> + if (errata_i810) {
> + ai = omap3_dpll_autoidle_read(clk);
> + if (ai) {
> + omap3_dpll_deny_idle(clk);
> +
> + /* OCP barrier */
> + omap3_dpll_autoidle_read(clk);
> + }
> + }
Should we just do this unconditionally? It seems like disabling the
autoidle always before reprogramming is a good idea.
Regards,
Tony
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