1 // SPDX-License-Identifier: GPL-2.0-only
12 #define pr_fmt(fmt) "dt-idle-genpd: " fmt
26 			struct genpd_power_state *states, int state_count)  in pd_parse_state_nodes()  argument
32 		ret = parse_state(to_of_node(states[i].fwnode), &state);  in pd_parse_state_nodes()
38 			ret = -ENOMEM;  in pd_parse_state_nodes()
42 		states[i].data = state_buf;  in pd_parse_state_nodes()
48 	i--;  in pd_parse_state_nodes()
49 	for (; i >= 0; i--)  in pd_parse_state_nodes()
50 		kfree(states[i].data);  in pd_parse_state_nodes()
56 			   struct genpd_power_state **states,  in pd_parse_states()  argument
61 	/* Parse the domain idle states. */  in pd_parse_states()
62 	ret = of_genpd_parse_idle_states(np, states, state_count);  in pd_parse_states()
67 	ret = pd_parse_state_nodes(parse_state, *states, *state_count);  in pd_parse_states()
69 		kfree(*states);  in pd_parse_states()
74 static void pd_free_states(struct genpd_power_state *states,  in pd_free_states()  argument
80 		kfree(states[i].data);  in pd_free_states()
81 	kfree(states);  in pd_free_states()
86 	pd_free_states(pd->states, pd->state_count);  in dt_idle_pd_free()
87 	kfree(pd->name);  in dt_idle_pd_free()
95 	struct genpd_power_state *states = NULL;  in dt_idle_pd_alloc()  local
102 	pd->name = kasprintf(GFP_KERNEL, "%pOF", np);  in dt_idle_pd_alloc()
103 	if (!pd->name)  in dt_idle_pd_alloc()
107 	 * Parse the domain idle states and let genpd manage the state selection  in dt_idle_pd_alloc()
108 	 * for those being compatible with "domain-idle-state".  in dt_idle_pd_alloc()
110 	ret = pd_parse_states(np, parse_state, &states, &state_count);  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()
127 	pr_err("failed to alloc PM domain %pOF\n", np);  in dt_idle_pd_alloc()
137 		if (of_parse_phandle_with_args(node, "power-domains",  in dt_idle_pd_init_topology()
138 					"#power-domain-cells", 0, &parent))  in dt_idle_pd_init_topology()
158 		if (of_parse_phandle_with_args(node, "power-domains",  in dt_idle_pd_remove_topology()
159 					"#power-domain-cells", 0, &parent))  in dt_idle_pd_remove_topology()