drivers/interconnect/core.c

14 #include <linux/interconnect-provider.h>
45 	struct icc_provider *provider;
52 	list_for_each_entry(provider, &icc_providers, provider_list) {
55 		list_for_each_entry(n, &provider->nodes, node_list) {
101 	struct icc_provider *provider;
111 	list_for_each_entry(provider, &icc_providers, provider_list) {
113 		if (provider->dev)
115 				   dev_name(provider->dev));
118 		list_for_each_entry(n, &provider->nodes, node_list)
122 		list_for_each_entry(n, &provider->nodes, node_list)
124 				if (n->provider == n->links[i]->provider)
132 	list_for_each_entry(provider, &icc_providers, provider_list)
133 		list_for_each_entry(n, &provider->nodes, node_list)
135 				if (n->provider != n->links[i]->provider)
153 	struct icc_provider *provider;
156 	list_for_each_entry(provider, &icc_providers, provider_list) {
157 		list_for_each_entry(n, &provider->nodes, node_list) {
182 		node->provider->users++;
271 	struct icc_provider *p = node->provider;
311 		p = next->provider;
314 		if (!prev || (p != prev->provider && !p->inter_set)) {
348  * registering the provider.
369  * Looks for interconnect provider under the node specified by @spec and if
370  * found, uses xlate function of the provider to map phandle args to node.
379 	struct icc_provider *provider;
385 	list_for_each_entry(provider, &icc_providers, provider_list) {
386 		if (provider->dev->of_node == spec->np) {
387 			if (provider->xlate_extended) {
388 				data = provider->xlate_extended(spec, provider->data);
394 				node = provider->xlate(spec, provider->data);
804 		if (!WARN_ON(!node->provider->users))
805 			node->provider->users--;
894  * provider driver has not probed yet). So just create the @dst_id node
895  * and when the actual provider driver is probed, the rest of the node
906 	if (!node->provider)
940  * icc_node_add() - add interconnect node to interconnect provider
942  * @provider: pointer to the interconnect provider
944 void icc_node_add(struct icc_node *node, struct icc_provider *provider)
946 	if (WARN_ON(node->provider))
952 	node->provider = provider;
953 	list_add_tail(&node->node_list, &provider->nodes);
956 	if (provider->get_bw) {
957 		provider->get_bw(node, &node->init_avg, &node->init_peak);
966 		if (provider->pre_aggregate)
967 			provider->pre_aggregate(node);
969 		if (provider->aggregate)
970 			provider->aggregate(node, 0, node->init_avg, node->init_peak,
972 		if (provider->set)
973 			provider->set(node, node);
985  * icc_node_del() - delete interconnect node from interconnect provider
999  * icc_nodes_remove() - remove all previously added nodes from provider
1000  * @provider: the interconnect provider we are removing nodes from
1004 int icc_nodes_remove(struct icc_provider *provider)
1008 	if (WARN_ON(IS_ERR_OR_NULL(provider)))
1011 	list_for_each_entry_safe_reverse(n, tmp, &provider->nodes, node_list) {
1021  * icc_provider_init() - initialize a new interconnect provider
1022  * @provider: the interconnect provider to initialize
1024  * Must be called before adding nodes to the provider.
1026 void icc_provider_init(struct icc_provider *provider)
1028 	WARN_ON(!provider->set);
1030 	INIT_LIST_HEAD(&provider->nodes);
1035  * icc_provider_register() - register a new interconnect provider
1036  * @provider: the interconnect provider to register
1040 int icc_provider_register(struct icc_provider *provider)
1042 	if (WARN_ON(!provider->xlate && !provider->xlate_extended))
1046 	list_add_tail(&provider->provider_list, &icc_providers);
1049 	dev_dbg(provider->dev, "interconnect provider registered\n");
1056  * icc_provider_deregister() - deregister an interconnect provider
1057  * @provider: the interconnect provider to deregister
1059 void icc_provider_deregister(struct icc_provider *provider)
1062 	WARN_ON(provider->users);
1064 	list_del(&provider->provider_list);
1108 		dev_dbg(p->dev, "interconnect provider is in synced state\n");