1 // SPDX-License-Identifier: GPL-2.0-only
12 #define pr_fmt(fmt) "dt-idle-genpd: " fmt
38 			ret = -ENOMEM;  in pd_parse_state_nodes()
48 	i--;  in pd_parse_state_nodes()
49 	for (; i >= 0; i--)  in pd_parse_state_nodes()
86 	pd_free_states(pd->states, pd->state_count);  in dt_idle_pd_free()
87 	kfree(pd->name);  in dt_idle_pd_free()
102 	pd->name = kasprintf(GFP_KERNEL, "%pOF", np);  in dt_idle_pd_alloc()
103 	if (!pd->name)  in dt_idle_pd_alloc()
108 	 * for those being compatible with "domain-idle-state".  in dt_idle_pd_alloc()
114 	pd->free_states = pd_free_states;  in dt_idle_pd_alloc()
115 	pd->name = kbasename(pd->name);  in dt_idle_pd_alloc()
116 	pd->states = states;  in dt_idle_pd_alloc()
117 	pd->state_count = state_count;  in dt_idle_pd_alloc()
119 	pr_debug("alloc PM domain %s\n", pd->name);  in dt_idle_pd_alloc()
123 	kfree(pd->name);  in dt_idle_pd_alloc()
133 	struct device_node *node;  in dt_idle_pd_init_topology()  local
134 	struct of_phandle_args child, parent;  in dt_idle_pd_init_topology()  local
137 	for_each_child_of_node(np, node) {  in dt_idle_pd_init_topology()
138 		if (of_parse_phandle_with_args(node, "power-domains",  in dt_idle_pd_init_topology()
139 					"#power-domain-cells", 0, &parent))  in dt_idle_pd_init_topology()
142 		child.np = node;  in dt_idle_pd_init_topology()
143 		child.args_count = 0;  in dt_idle_pd_init_topology()
144 		ret = of_genpd_add_subdomain(&parent, &child);  in dt_idle_pd_init_topology()
147 			of_node_put(node);  in dt_idle_pd_init_topology()
157 	struct device_node *node;  in dt_idle_pd_remove_topology()  local
158 	struct of_phandle_args child, parent;  in dt_idle_pd_remove_topology()  local
161 	for_each_child_of_node(np, node) {  in dt_idle_pd_remove_topology()
162 		if (of_parse_phandle_with_args(node, "power-domains",  in dt_idle_pd_remove_topology()
163 					"#power-domain-cells", 0, &parent))  in dt_idle_pd_remove_topology()
166 		child.np = node;  in dt_idle_pd_remove_topology()
167 		child.args_count = 0;  in dt_idle_pd_remove_topology()
168 		ret = of_genpd_remove_subdomain(&parent, &child);  in dt_idle_pd_remove_topology()
171 			of_node_put(node);  in dt_idle_pd_remove_topology()