of_genpd_add_subdomain
ret = of_genpd_add_subdomain(&parent, &child);
ret = of_genpd_add_subdomain(&parent, &child);
EXPORT_SYMBOL_GPL(of_genpd_add_subdomain);
if (of_genpd_add_subdomain(&parent, &child))
err = of_genpd_add_subdomain(&parent_args, &child_args);
int of_genpd_add_subdomain(const struct of_phandle_args *parent_spec,