69 	struct gpio_shared_entry *entry;  in gpio_shared_find_entry()  local
71 	list_for_each_entry(entry, &gpio_shared_list, list) {  in gpio_shared_find_entry()
72 		if (entry->fwnode == controller_node && entry->offset == offset)  in gpio_shared_find_entry()
73 			return entry;  in gpio_shared_find_entry()
105 	struct gpio_shared_entry *entry;  in gpio_shared_of_traverse()  local
170 			entry = gpio_shared_find_entry(fwnode, offset);  in gpio_shared_of_traverse()
171 			if (!entry) {  in gpio_shared_of_traverse()
172 				entry = kzalloc(sizeof(*entry), GFP_KERNEL);  in gpio_shared_of_traverse()
173 				if (!entry)  in gpio_shared_of_traverse()
176 				entry->fwnode = fwnode_handle_get(fwnode);  in gpio_shared_of_traverse()
177 				entry->offset = offset;  in gpio_shared_of_traverse()
178 				entry->index = count;  in gpio_shared_of_traverse()
179 				INIT_LIST_HEAD(&entry->refs);  in gpio_shared_of_traverse()
180 				mutex_init(&entry->lock);  in gpio_shared_of_traverse()
182 				list_add_tail(&entry->list, &gpio_shared_list);  in gpio_shared_of_traverse()
221 			if (!list_empty(&entry->refs))  in gpio_shared_of_traverse()
223 					 entry->offset, fwnode_get_name(entry->fwnode));  in gpio_shared_of_traverse()
225 			list_add_tail(&no_free_ptr(ref)->list, &entry->refs);  in gpio_shared_of_traverse()
258 				 struct gpio_shared_entry *entry,  in gpio_shared_make_adev()  argument
271 	adev->dev.platform_data = entry;  in gpio_shared_make_adev()
303 					  struct gpio_shared_entry *entry,  in gpio_shared_dev_is_reset_gpio()  argument
327 	if (!device_match_fwnode(parent, entry->fwnode))  in gpio_shared_dev_is_reset_gpio()
351 	match = ((ref_args.fwnode == entry->fwnode) &&  in gpio_shared_dev_is_reset_gpio()
352 		 (aux_args.fwnode == entry->fwnode) &&  in gpio_shared_dev_is_reset_gpio()
361 					  struct gpio_shared_entry *entry,  in gpio_shared_dev_is_reset_gpio()  argument
371 	struct gpio_shared_entry *entry;  in gpio_shared_add_proxy_lookup()  local
379 	list_for_each_entry(entry, &gpio_shared_list, list) {  in gpio_shared_add_proxy_lookup()
380 		list_for_each_entry(ref, &entry->refs, list) {  in gpio_shared_add_proxy_lookup()
382 			    !gpio_shared_dev_is_reset_gpio(consumer, entry, ref))  in gpio_shared_add_proxy_lookup()
425 	struct gpio_shared_entry *entry;  in gpio_device_setup_shared()  local
430 	list_for_each_entry(entry, &gpio_shared_list, list) {  in gpio_device_setup_shared()
431 		list_for_each_entry(ref, &entry->refs, list) {  in gpio_device_setup_shared()
448 	list_for_each_entry(entry, &gpio_shared_list, list) {  in gpio_device_setup_shared()
449 		if (!device_match_fwnode(&gdev->dev, entry->fwnode))  in gpio_device_setup_shared()
452 		if (list_count_nodes(&entry->refs) <= 1)  in gpio_device_setup_shared()
455 		flags = &gdev->descs[entry->offset].flags;  in gpio_device_setup_shared()
466 			 entry->offset, gpio_device_get_label(gdev));  in gpio_device_setup_shared()
468 		list_for_each_entry(ref, &entry->refs, list) {  in gpio_device_setup_shared()
472 			ret = gpio_shared_make_adev(gdev, entry, ref);  in gpio_device_setup_shared()
483 	struct gpio_shared_entry *entry;  in gpio_device_teardown_shared()  local
486 	list_for_each_entry(entry, &gpio_shared_list, list) {  in gpio_device_teardown_shared()
487 		if (!device_match_fwnode(&gdev->dev, entry->fwnode))  in gpio_device_teardown_shared()
499 		list_for_each_entry(ref, &entry->refs, list) {  in gpio_device_teardown_shared()
517 	struct gpio_shared_entry *entry =  in gpio_shared_release()  local
521 	guard(mutex)(&entry->lock);  in gpio_shared_release()
523 	shared_desc = entry->shared_desc;  in gpio_shared_release()
528 	entry->shared_desc = NULL;  in gpio_shared_release()
533 	struct gpio_shared_entry *entry = data;  in gpiod_shared_put()  local
535 	kref_put(&entry->ref, gpio_shared_release);  in gpiod_shared_put()
539 gpiod_shared_desc_create(struct gpio_shared_entry *entry)  in gpiod_shared_desc_create()  argument
544 	lockdep_assert_held(&entry->lock);  in gpiod_shared_desc_create()
550 	gdev = gpio_device_find_by_fwnode(entry->fwnode);  in gpiod_shared_desc_create()
556 	shared_desc->desc = &gdev->descs[entry->offset];  in gpiod_shared_desc_create()
569 	struct gpio_shared_entry *entry;  in devm_gpiod_shared_get()  local
572 	entry = dev_get_platdata(dev);  in devm_gpiod_shared_get()
573 	if (WARN_ON(!entry))  in devm_gpiod_shared_get()
577 	scoped_guard(mutex, &entry->lock) {  in devm_gpiod_shared_get()
578 		if (entry->shared_desc) {  in devm_gpiod_shared_get()
579 			kref_get(&entry->ref);  in devm_gpiod_shared_get()
580 			shared_desc = entry->shared_desc;  in devm_gpiod_shared_get()
582 			shared_desc = gpiod_shared_desc_create(entry);  in devm_gpiod_shared_get()
586 			kref_init(&entry->ref);  in devm_gpiod_shared_get()
587 			entry->shared_desc = shared_desc;  in devm_gpiod_shared_get()
595 	ret = devm_add_action_or_reset(dev, gpiod_shared_put, entry);  in devm_gpiod_shared_get()
613 static void gpio_shared_drop_entry(struct gpio_shared_entry *entry)  in gpio_shared_drop_entry()  argument
615 	list_del(&entry->list);  in gpio_shared_drop_entry()
616 	mutex_destroy(&entry->lock);  in gpio_shared_drop_entry()
617 	fwnode_handle_put(entry->fwnode);  in gpio_shared_drop_entry()
618 	kfree(entry);  in gpio_shared_drop_entry()
627 	struct gpio_shared_entry *entry, *epos;  in gpio_shared_teardown()  local
630 	list_for_each_entry_safe(entry, epos, &gpio_shared_list, list) {  in gpio_shared_teardown()
631 		list_for_each_entry_safe(ref, rpos, &entry->refs, list)  in gpio_shared_teardown()
634 		gpio_shared_drop_entry(entry);  in gpio_shared_teardown()
640 	struct gpio_shared_entry *entry, *epos;  in gpio_shared_free_exclusive()  local
642 	list_for_each_entry_safe(entry, epos, &gpio_shared_list, list) {  in gpio_shared_free_exclusive()
643 		if (list_count_nodes(&entry->refs) > 1)  in gpio_shared_free_exclusive()
646 		gpio_shared_drop_ref(list_first_entry(&entry->refs,  in gpio_shared_free_exclusive()
649 		gpio_shared_drop_entry(entry);  in gpio_shared_free_exclusive()