ARM: EXYNOS: Remove calls to of_genpd_get_from_provider()

	/* Assign the child power domains to their parents */

	for_each_matching_node(np, exynos_pm_domain_of_match) {

		struct generic_pm_domain *child_domain, *parent_domain;

		struct of_phandle_args args;

		struct of_phandle_args child, parent;

		args.np = np;

		args.args_count = 0;

		child_domain = of_genpd_get_from_provider(&args);

		if (IS_ERR(child_domain))

			continue;

		child.np = np;

		child.args_count = 0;

		if (of_parse_phandle_with_args(np, "power-domains",

					 "#power-domain-cells", 0, &args) != 0)

			continue;

		parent_domain = of_genpd_get_from_provider(&args);

		if (IS_ERR(parent_domain))

					       "#power-domain-cells", 0,

					       &parent) != 0)

			continue;

		if (pm_genpd_add_subdomain(parent_domain, child_domain))

		if (of_genpd_add_subdomain(&parent, &child))

			pr_warn("%s failed to add subdomain: %s\n",

				parent_domain->name, child_domain->name);

				parent.np->name, child.np->name);

		else

			pr_info("%s has as child subdomain: %s.\n",

				parent_domain->name, child_domain->name);

				parent.np->name, child.np->name);

	}

	return 0;