drivers/base/swnode.c

27 struct swnode {
37 	struct swnode *parent;
46 #define kobj_to_swnode(_kobj_) container_of(_kobj_, struct swnode, kobj)
62 				     struct swnode, fwnode) : NULL;	\
65 static inline struct swnode *dev_to_swnode(struct device *dev)
78 static struct swnode *
81 	struct swnode *swnode = NULL;
90 		swnode = kobj_to_swnode(k);
91 		if (swnode->node == node)
93 		swnode = NULL;
98 	return swnode;
103 	const struct swnode *swnode = to_swnode(fwnode);
105 	return swnode ? swnode->node : NULL;
111 	struct swnode *swnode = software_node_to_swnode(node);
113 	return swnode ? &swnode->fwnode : NULL;
379 	struct swnode *swnode = to_swnode(fwnode);
381 	kobject_get(&swnode->kobj);
383 	return &swnode->fwnode;
388 	struct swnode *swnode = to_swnode(fwnode);
390 	kobject_put(&swnode->kobj);
396 	struct swnode *swnode = to_swnode(fwnode);
398 	return !!property_entry_get(swnode->node->properties, propname);
406 	struct swnode *swnode = to_swnode(fwnode);
408 	return property_entry_read_int_array(swnode->node->properties, propname,
416 	struct swnode *swnode = to_swnode(fwnode);
418 	return property_entry_read_string_array(swnode->node->properties,
425 	const struct swnode *swnode = to_swnode(fwnode);
427 	return kobject_name(&swnode->kobj);
454 	struct swnode *swnode = to_swnode(fwnode);
456 	if (!swnode || !swnode->parent)
459 	return fwnode_handle_get(&swnode->parent->fwnode);
466 	struct swnode *p = to_swnode(fwnode);
467 	struct swnode *c = to_swnode(child);
478 		c = list_first_entry(&p->children, struct swnode, entry);
488 	struct swnode *swnode = to_swnode(fwnode);
489 	struct swnode *child;
491 	if (!swnode || list_empty(&swnode->children))
494 	list_for_each_entry(child, &swnode->children, entry) {
509 	struct swnode *swnode = to_swnode(fwnode);
518 	prop = property_entry_get(swnode->node->properties, propname);
591 	struct swnode *swnode = to_swnode(fwnode);
595 	if (!swnode)
604 			parent = software_node_get(&swnode->fwnode);
625 	struct swnode *swnode = to_swnode(fwnode);
629 	if (!swnode)
632 	prop = property_entry_get(swnode->node->properties, "remote-endpoint");
644 	struct swnode *swnode = to_swnode(fwnode);
646 	swnode = swnode->parent;
647 	if (swnode && !strcmp(swnode->node->name, "ports"))
648 		swnode = swnode->parent;
650 	return swnode ? software_node_get(&swnode->fwnode) : NULL;
657 	struct swnode *swnode = to_swnode(fwnode);
658 	const char *parent_name = swnode->parent->node->name;
670 	endpoint->id = swnode->id;
709 	struct swnode *swnode = NULL;
718 		swnode = kobj_to_swnode(k);
719 		if (parent == swnode->node->parent && swnode->node->name &&
720 		    !strcmp(name, swnode->node->name)) {
721 			kobject_get(&swnode->kobj);
724 		swnode = NULL;
729 	return swnode ? swnode->node : NULL;
761 	struct swnode *swnode = kobj_to_swnode(kobj);
763 	if (swnode->parent) {
764 		ida_free(&swnode->parent->child_ids, swnode->id);
765 		list_del(&swnode->entry);
767 		ida_free(&swnode_root_ids, swnode->id);
770 	if (swnode->allocated)
771 		software_node_free(swnode->node);
773 	ida_destroy(&swnode->child_ids);
774 	kfree(swnode);
783 swnode_register(const struct software_node *node, struct swnode *parent,
786 	struct swnode *swnode;
789 	swnode = kzalloc(sizeof(*swnode), GFP_KERNEL);
790 	if (!swnode)
796 		kfree(swnode);
800 	swnode->id = ret;
801 	swnode->node = node;
802 	swnode->parent = parent;
803 	swnode->kobj.kset = swnode_kset;
804 	fwnode_init(&swnode->fwnode, &software_node_ops);
806 	ida_init(&swnode->child_ids);
807 	INIT_LIST_HEAD(&swnode->entry);
808 	INIT_LIST_HEAD(&swnode->children);
811 		ret = kobject_init_and_add(&swnode->kobj, &software_node_type,
815 		ret = kobject_init_and_add(&swnode->kobj, &software_node_type,
817 					   "node%d", swnode->id);
819 		kobject_put(&swnode->kobj);
827 	swnode->allocated = allocated;
830 		list_add_tail(&swnode->entry, &parent->children);
832 	kobject_uevent(&swnode->kobj, KOBJ_ADD);
833 	return &swnode->fwnode;
901 	struct swnode *parent = software_node_to_swnode(node->parent);
919 	struct swnode *swnode;
921 	swnode = software_node_to_swnode(node);
922 	if (swnode)
923 		fwnode_remove_software_node(&swnode->fwnode);
933 	struct swnode *p;
958 	struct swnode *swnode = to_swnode(fwnode);
960 	if (!swnode)
963 	kobject_put(&swnode->kobj);
978 	struct swnode *swnode;
985 	swnode = software_node_to_swnode(node);
986 	if (swnode) {
987 		kobject_get(&swnode->kobj);
993 		swnode = software_node_to_swnode(node);
996 	set_secondary_fwnode(dev, &swnode->fwnode);
1019 	struct swnode *swnode;
1021 	swnode = dev_to_swnode(dev);
1022 	if (!swnode)
1029 	kobject_put(&swnode->kobj);
1075 	struct swnode *swnode;
1078 	swnode = dev_to_swnode(dev);
1079 	if (!swnode)
1082 	ret = sysfs_create_link(&dev->kobj, &swnode->kobj, "software_node");
1086 	ret = sysfs_create_link(&swnode->kobj, &dev->kobj, dev_name(dev));
1092 	kobject_get(&swnode->kobj);
1097 	struct swnode *swnode;
1099 	swnode = dev_to_swnode(dev);
1100 	if (!swnode)
1103 	sysfs_remove_link(&swnode->kobj, dev_name(dev));
1105 	kobject_put(&swnode->kobj);
1107 	if (swnode->managed) {
1109 		kobject_put(&swnode->kobj);