383 	 * Also note that link->performance_state (subdomain's performance state  in _genpd_reeval_performance_state()
386 	 * of the devices/sub-domains of the subdomain) and so can have a  in _genpd_reeval_performance_state()
969 	 * The domain has a subdomain being powered on.  in genpd_power_off()
1146  * genpd_power_off_work_fn - Power off PM domain whose subdomain count is 0.
2144 			       struct generic_pm_domain *subdomain)  in genpd_add_subdomain()  argument
2149 	if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(subdomain)  in genpd_add_subdomain()
2150 	    || genpd == subdomain)  in genpd_add_subdomain()
2155 	 * context, ensure that the subdomain can also be  in genpd_add_subdomain()
2158 	if (!genpd_is_irq_safe(genpd) && genpd_is_irq_safe(subdomain)) {  in genpd_add_subdomain()
2159 		WARN(1, "Parent %s of subdomain %s must be IRQ safe\n",  in genpd_add_subdomain()
2160 		     dev_name(&genpd->dev), subdomain->name);  in genpd_add_subdomain()
2168 	genpd_lock(subdomain);  in genpd_add_subdomain()
2171 	if (!genpd_status_on(genpd) && genpd_status_on(subdomain)) {  in genpd_add_subdomain()
2177 		if (itr->child == subdomain && itr->parent == genpd) {  in genpd_add_subdomain()
2185 	link->child = subdomain;  in genpd_add_subdomain()
2186 	list_add_tail(&link->child_node, &subdomain->child_links);  in genpd_add_subdomain()
2187 	if (genpd_status_on(subdomain))  in genpd_add_subdomain()
2192 	genpd_unlock(subdomain);  in genpd_add_subdomain()
2199  * pm_genpd_add_subdomain - Add a subdomain to an I/O PM domain.
2200  * @genpd: Leader PM domain to add the subdomain to.
2201  * @subdomain: Subdomain to be added.
2204 			   struct generic_pm_domain *subdomain)  in pm_genpd_add_subdomain()  argument
2209 	ret = genpd_add_subdomain(genpd, subdomain);  in pm_genpd_add_subdomain()
2217  * pm_genpd_remove_subdomain - Remove a subdomain from an I/O PM domain.
2218  * @genpd: Leader PM domain to remove the subdomain from.
2219  * @subdomain: Subdomain to be removed.
2222 			      struct generic_pm_domain *subdomain)  in pm_genpd_remove_subdomain()  argument
2227 	if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(subdomain))  in pm_genpd_remove_subdomain()
2230 	genpd_lock(subdomain);  in pm_genpd_remove_subdomain()
2233 	if (!list_empty(&subdomain->parent_links) || subdomain->device_count) {  in pm_genpd_remove_subdomain()
2234 		pr_warn("%s: unable to remove subdomain %s\n",  in pm_genpd_remove_subdomain()
2235 			dev_name(&genpd->dev), subdomain->name);  in pm_genpd_remove_subdomain()
2241 		if (link->child != subdomain)  in pm_genpd_remove_subdomain()
2247 		if (genpd_status_on(subdomain))  in pm_genpd_remove_subdomain()
2256 	genpd_unlock(subdomain);  in pm_genpd_remove_subdomain()
2508  *  - Removes the PM domain as a subdomain to any parent domains,
2954  * of_genpd_add_subdomain - Add a subdomain to an I/O PM domain.
2956  * @subdomain_spec: OF phandle args to use for subdomain look-up
2958  * Looks-up a parent PM domain and subdomain based upon phandle args
2959  * provided and adds the subdomain to the parent PM domain. Returns a
2965 	struct generic_pm_domain *parent, *subdomain;  in of_genpd_add_subdomain()  local
2976 	subdomain = genpd_get_from_provider(subdomain_spec);  in of_genpd_add_subdomain()
2977 	if (IS_ERR(subdomain)) {  in of_genpd_add_subdomain()
2978 		ret = PTR_ERR(subdomain);  in of_genpd_add_subdomain()
2982 	ret = genpd_add_subdomain(parent, subdomain);  in of_genpd_add_subdomain()
2992  * of_genpd_remove_subdomain - Remove a subdomain from an I/O PM domain.
2994  * @subdomain_spec: OF phandle args to use for subdomain look-up
2996  * Looks-up a parent PM domain and subdomain based upon phandle args
2997  * provided and removes the subdomain from the parent PM domain. Returns a
3003 	struct generic_pm_domain *parent, *subdomain;  in of_genpd_remove_subdomain()  local
3014 	subdomain = genpd_get_from_provider(subdomain_spec);  in of_genpd_remove_subdomain()
3015 	if (IS_ERR(subdomain)) {  in of_genpd_remove_subdomain()
3016 		ret = PTR_ERR(subdomain);  in of_genpd_remove_subdomain()
3020 	ret = pm_genpd_remove_subdomain(parent, subdomain);  in of_genpd_remove_subdomain()