341 	 * Also note that link->performance_state (subdomain's performance state  in _genpd_reeval_performance_state()
344 	 * of the devices/sub-domains of the subdomain) and so can have a  in _genpd_reeval_performance_state()
844 	 * (2) When the domain has a subdomain being powered on.  in genpd_power_off()
1017  * genpd_power_off_work_fn - Power off PM domain whose subdomain count is 0.
2006 			       struct generic_pm_domain *subdomain)  in genpd_add_subdomain()  argument
2011 	if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(subdomain)  in genpd_add_subdomain()
2012 	    || genpd == subdomain)  in genpd_add_subdomain()
2017 	 * context, ensure that the subdomain can also be  in genpd_add_subdomain()
2020 	if (!genpd_is_irq_safe(genpd) && genpd_is_irq_safe(subdomain)) {  in genpd_add_subdomain()
2021 		WARN(1, "Parent %s of subdomain %s must be IRQ safe\n",  in genpd_add_subdomain()
2022 		     dev_name(&genpd->dev), subdomain->name);  in genpd_add_subdomain()
2030 	genpd_lock(subdomain);  in genpd_add_subdomain()
2033 	if (!genpd_status_on(genpd) && genpd_status_on(subdomain)) {  in genpd_add_subdomain()
2039 		if (itr->child == subdomain && itr->parent == genpd) {  in genpd_add_subdomain()
2047 	link->child = subdomain;  in genpd_add_subdomain()
2048 	list_add_tail(&link->child_node, &subdomain->child_links);  in genpd_add_subdomain()
2049 	if (genpd_status_on(subdomain))  in genpd_add_subdomain()
2054 	genpd_unlock(subdomain);  in genpd_add_subdomain()
2061  * pm_genpd_add_subdomain - Add a subdomain to an I/O PM domain.
2062  * @genpd: Leader PM domain to add the subdomain to.
2063  * @subdomain: Subdomain to be added.
2066 			   struct generic_pm_domain *subdomain)  in pm_genpd_add_subdomain()  argument
2071 	ret = genpd_add_subdomain(genpd, subdomain);  in pm_genpd_add_subdomain()
2079  * pm_genpd_remove_subdomain - Remove a subdomain from an I/O PM domain.
2080  * @genpd: Leader PM domain to remove the subdomain from.
2081  * @subdomain: Subdomain to be removed.
2084 			      struct generic_pm_domain *subdomain)  in pm_genpd_remove_subdomain()  argument
2089 	if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(subdomain))  in pm_genpd_remove_subdomain()
2092 	genpd_lock(subdomain);  in pm_genpd_remove_subdomain()
2095 	if (!list_empty(&subdomain->parent_links) || subdomain->device_count) {  in pm_genpd_remove_subdomain()
2096 		pr_warn("%s: unable to remove subdomain %s\n",  in pm_genpd_remove_subdomain()
2097 			dev_name(&genpd->dev), subdomain->name);  in pm_genpd_remove_subdomain()
2103 		if (link->child != subdomain)  in pm_genpd_remove_subdomain()
2109 		if (genpd_status_on(subdomain))  in pm_genpd_remove_subdomain()
2118 	genpd_unlock(subdomain);  in pm_genpd_remove_subdomain()
2351  *  - Removes the PM domain as a subdomain to any parent domains,
2736  * of_genpd_add_subdomain - Add a subdomain to an I/O PM domain.
2738  * @subdomain_spec: OF phandle args to use for subdomain look-up
2740  * Looks-up a parent PM domain and subdomain based upon phandle args
2741  * provided and adds the subdomain to the parent PM domain. Returns a
2747 	struct generic_pm_domain *parent, *subdomain;  in of_genpd_add_subdomain()  local
2758 	subdomain = genpd_get_from_provider(subdomain_spec);  in of_genpd_add_subdomain()
2759 	if (IS_ERR(subdomain)) {  in of_genpd_add_subdomain()
2760 		ret = PTR_ERR(subdomain);  in of_genpd_add_subdomain()
2764 	ret = genpd_add_subdomain(parent, subdomain);  in of_genpd_add_subdomain()
2774  * of_genpd_remove_subdomain - Remove a subdomain from an I/O PM domain.
2776  * @subdomain_spec: OF phandle args to use for subdomain look-up
2778  * Looks-up a parent PM domain and subdomain based upon phandle args
2779  * provided and removes the subdomain from the parent PM domain. Returns a
2785 	struct generic_pm_domain *parent, *subdomain;  in of_genpd_remove_subdomain()  local
2796 	subdomain = genpd_get_from_provider(subdomain_spec);  in of_genpd_remove_subdomain()
2797 	if (IS_ERR(subdomain)) {  in of_genpd_remove_subdomain()
2798 		ret = PTR_ERR(subdomain);  in of_genpd_remove_subdomain()
2802 	ret = pm_genpd_remove_subdomain(parent, subdomain);  in of_genpd_remove_subdomain()