Hello Rajendra,
"ext Rajendra Nayak" <rnayak@xxxxxx> writes:
> +/*
> + * Powerdomain usecounting hooks
> + */
> +
> +void omap_pm_pwrdm_active(struct powerdomain *pwrdm)
> +{
> + char *res_name;
> +
> + if (!pwrdm) {
> + WARN_ON(1);
> + return;
> + };
> +
> + if (!strcmp(pwrdm->name, "wkup_pwrdm") ||
> + !strcmp(pwrdm->name, "core_pwrdm"))
> + return;
> +
> + pr_debug("OMAP PM: powerdomain %s is becoming active\n", pwrdm->name);
> +
> + res_name = get_lat_res_name(pwrdm->name);
> + /* Request for a zero latency which puts the Power Domain in ON state*/
> + resource_request(res_name, &omap_pm_dev, 0);
> + return;
> +}
> +
> +void omap_pm_pwrdm_inactive(struct powerdomain *pwrdm)
> +{
> + char *res_name;
> +
> + if (!pwrdm) {
> + WARN_ON(1);
> + return;
> + };
> +
> + if (!strcmp(pwrdm->name, "wkup_pwrdm") ||
> + !strcmp(pwrdm->name, "core_pwrdm"))
> + return;
> +
> + pr_debug("OMAP PM: powerdomain %s is becoming inactive\n",
> + pwrdm->name);
> +
> + res_name = get_lat_res_name(pwrdm->name);
> + /* Release the latency requested */
> + resource_release(res_name, &omap_pm_dev);
> + return;
> +}
For what these two functions are? Why they are requesting/releasing resource?
> +
> +/*
> + * Should be called before clk framework since clk fw will call
> + * omap_pm_pwrdm_{in,}active()
> + */
> +int __init omap_pm_if_early_init(void)
> +{
> + return 0;
> +}
Why clock framework (omap2_clkdm_clk_enable/disable) is calling
omap_pm_pwrdm_{in,}active()? Is it for keeping track of OFF
transitions?
--
Jouni Högander
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
