59 	struct kref ref;  member
87 	struct gpio_shared_ref *ref __free(kfree) = kzalloc(sizeof(*ref), GFP_KERNEL);  in gpio_shared_make_ref()
88 	if (!ref)  in gpio_shared_make_ref()
97 	ref->dev_id = ida_alloc(&gpio_shared_ida, GFP_KERNEL);  in gpio_shared_make_ref()
98 	if (ref->dev_id < 0)  in gpio_shared_make_ref()
101 	ref->flags = flags;  in gpio_shared_make_ref()
102 	ref->con_id = no_free_ptr(con_id_cpy);  in gpio_shared_make_ref()
103 	ref->fwnode = fwnode;  in gpio_shared_make_ref()
104 	lockdep_register_key(&ref->lock_key);  in gpio_shared_make_ref()
105 	mutex_init_with_key(&ref->lock, &ref->lock_key);  in gpio_shared_make_ref()
107 	return no_free_ptr(ref);  in gpio_shared_make_ref()
113 	struct gpio_shared_ref *ref;  in gpio_shared_setup_reset_proxy()  local
115 	list_for_each_entry(ref, &entry->refs, list) {  in gpio_shared_setup_reset_proxy()
116 		if (ref->is_reset_gpio)  in gpio_shared_setup_reset_proxy()
121 	ref = gpio_shared_make_ref(NULL, "reset", flags);  in gpio_shared_setup_reset_proxy()
122 	if (!ref)  in gpio_shared_setup_reset_proxy()
125 	ref->is_reset_gpio = true;  in gpio_shared_setup_reset_proxy()
127 	list_add_tail(&ref->list, &entry->refs);  in gpio_shared_setup_reset_proxy()
165 	struct gpio_shared_ref *ref;  in gpio_shared_of_traverse()  local
264 			ref = gpio_shared_make_ref(fwnode_handle_get(of_fwnode_handle(curr)),  in gpio_shared_of_traverse()
266 			if (!ref)  in gpio_shared_of_traverse()
273 			list_add_tail(&ref->list, &entry->refs);  in gpio_shared_of_traverse()
313 				 struct gpio_shared_ref *ref)  in gpio_shared_make_adev()  argument
315 	struct auxiliary_device *adev = &ref->adev;  in gpio_shared_make_adev()
318 	guard(mutex)(&ref->lock);  in gpio_shared_make_adev()
322 	adev->id = ref->dev_id;  in gpio_shared_make_adev()
358 					  struct gpio_shared_ref *ref)  in gpio_shared_dev_is_reset_gpio()  argument
367 	lockdep_assert_held(&ref->lock);  in gpio_shared_dev_is_reset_gpio()
387 		if (real_ref == ref)  in gpio_shared_dev_is_reset_gpio()
431 		ref->fwnode = fwnode_handle_get(reset_fwnode);  in gpio_shared_dev_is_reset_gpio()
440 					  struct gpio_shared_ref *ref)  in gpio_shared_dev_is_reset_gpio()  argument
452 	struct gpio_shared_ref *ref;  in gpio_shared_add_proxy_lookup()  local
455 		list_for_each_entry(ref, &entry->refs, list) {  in gpio_shared_add_proxy_lookup()
456 			guard(mutex)(&ref->lock);  in gpio_shared_add_proxy_lookup()
463 			if (!ref->fwnode && strstarts(dev_name(consumer), "reset.gpio.")) {  in gpio_shared_add_proxy_lookup()
464 				if (!gpio_shared_dev_is_reset_gpio(consumer, entry, ref))  in gpio_shared_add_proxy_lookup()
466 			} else if (!device_match_fwnode(consumer, ref->fwnode)) {  in gpio_shared_add_proxy_lookup()
470 			if ((!con_id && ref->con_id) || (con_id && !ref->con_id) ||  in gpio_shared_add_proxy_lookup()
471 			    (con_id && ref->con_id && strcmp(con_id, ref->con_id) != 0))  in gpio_shared_add_proxy_lookup()
475 			if (ref->lookup)  in gpio_shared_add_proxy_lookup()
481 					  ref->adev.id);  in gpio_shared_add_proxy_lookup()
490 				 dev_id, key, ref->con_id ?: "none");  in gpio_shared_add_proxy_lookup()
494 						       ref->con_id, lflags);  in gpio_shared_add_proxy_lookup()
496 			ref->lookup = lookup;  in gpio_shared_add_proxy_lookup()
497 			gpiod_add_lookup_table(ref->lookup);  in gpio_shared_add_proxy_lookup()
517 	struct gpio_shared_ref *ref;  in gpio_device_setup_shared()  local
522 		list_for_each_entry(ref, &entry->refs, list) {  in gpio_device_setup_shared()
523 			if (gdev->dev.parent == &ref->adev.dev) {  in gpio_device_setup_shared()
561 		list_for_each_entry(ref, &entry->refs, list) {  in gpio_device_setup_shared()
563 				 fwnode_get_name(ref->fwnode) ?: "(no fwnode)",  in gpio_device_setup_shared()
564 				 ref->con_id ?: "(none)");  in gpio_device_setup_shared()
566 			ret = gpio_shared_make_adev(gdev, entry, ref);  in gpio_device_setup_shared()
580 	struct gpio_shared_ref *ref;  in gpio_device_teardown_shared()  local
588 		list_for_each_entry(ref, &entry->refs, list) {  in gpio_device_teardown_shared()
589 			guard(mutex)(&ref->lock);  in gpio_device_teardown_shared()
591 			if (ref->lookup) {  in gpio_device_teardown_shared()
592 				gpiod_remove_lookup_table(ref->lookup);  in gpio_device_teardown_shared()
593 				kfree(ref->lookup->table[0].key);  in gpio_device_teardown_shared()
594 				kfree(ref->lookup);  in gpio_device_teardown_shared()
595 				ref->lookup = NULL;  in gpio_device_teardown_shared()
598 			gpio_shared_remove_adev(&ref->adev);  in gpio_device_teardown_shared()
606 		container_of(kref, struct gpio_shared_entry, ref);  in gpio_shared_release()
623 	kref_put(&entry->ref, gpio_shared_release);  in gpiod_shared_put()
667 			kref_get(&entry->ref);  in devm_gpiod_shared_get()
674 			kref_init(&entry->ref);  in devm_gpiod_shared_get()
691 static void gpio_shared_drop_ref(struct gpio_shared_ref *ref)  in gpio_shared_drop_ref()  argument
693 	list_del(&ref->list);  in gpio_shared_drop_ref()
694 	mutex_destroy(&ref->lock);  in gpio_shared_drop_ref()
695 	lockdep_unregister_key(&ref->lock_key);  in gpio_shared_drop_ref()
696 	kfree(ref->con_id);  in gpio_shared_drop_ref()
697 	ida_free(&gpio_shared_ida, ref->dev_id);  in gpio_shared_drop_ref()
698 	fwnode_handle_put(ref->fwnode);  in gpio_shared_drop_ref()
699 	kfree(ref);  in gpio_shared_drop_ref()
717 	struct gpio_shared_ref *ref, *rpos;  in gpio_shared_teardown()  local
720 		list_for_each_entry_safe(ref, rpos, &entry->refs, list)  in gpio_shared_teardown()
721 			gpio_shared_drop_ref(ref);  in gpio_shared_teardown()
730 	struct gpio_shared_ref *ref;  in gpio_shared_entry_is_really_shared()  local
739 	list_for_each_entry(ref, &entry->refs, list) {  in gpio_shared_entry_is_really_shared()
746 		if (ref->is_reset_gpio)  in gpio_shared_entry_is_really_shared()