154 				    struct device *supplier)  in device_link_init_status()  argument
156 	switch (supplier->links.status) {  in device_link_init_status()
161 			 * A consumer driver can create a link to a supplier  in device_link_init_status()
163 			 * knows that the supplier is already functional (for  in device_link_init_status()
165 			 * supplier).  in device_link_init_status()
264 		output = "supplier unbinding";  in status_show()
282 		output = "supplier unbind";  in auto_remove_on_show()
323 		pm_runtime_put(link->supplier);  in device_link_free()
326 	put_device(link->supplier);  in device_link_free()
362 	struct device *sup = link->supplier;  in devlink_add_symlinks()
367 	len += strlen("supplier:") + 1;  in devlink_add_symlinks()
372 	ret = sysfs_create_link(&link->link_dev.kobj, &sup->kobj, "supplier");  in devlink_add_symlinks()
385 	snprintf(buf, len, "supplier:%s", dev_name(sup));  in devlink_add_symlinks()
398 	sysfs_remove_link(&link->link_dev.kobj, "supplier");  in devlink_add_symlinks()
409 	struct device *sup = link->supplier;  in devlink_remove_symlinks()
414 	sysfs_remove_link(&link->link_dev.kobj, "supplier");  in devlink_remove_symlinks()
417 	len += strlen("supplier:") + 1;  in devlink_remove_symlinks()
424 	snprintf(buf, len, "supplier:%s", dev_name(sup));  in devlink_remove_symlinks()
464  * @supplier: Supplier end of the link.
470  * DL_FLAG_RPM_ACTIVE flag is set in addition to it, the supplier devices will
486  * after unbinding the consumer or supplier driver, respectively, from its
489  * the consumer or the supplier) is unregistered.
495  * driver after successfully binding a driver to the supplier device.
500  * However, if a device link between the given @consumer and @supplier pair
513  * The supplier device is required to be registered when this function is called
518 				    struct device *supplier, u32 flags)  in device_link_add()  argument
522 	if (!consumer || !supplier || flags & ~DL_ADD_VALID_FLAGS ||  in device_link_add()
532 		if (pm_runtime_get_sync(supplier) < 0) {  in device_link_add()
533 			pm_runtime_put_noidle(supplier);  in device_link_add()
545 	 * If the supplier has not been fully registered yet or there is a  in device_link_add()
547 	 * the supplier already in the graph, return NULL. If the link is a  in device_link_add()
551 	if (!device_pm_initialized(supplier)  in device_link_add()
553 		  device_is_dependent(consumer, supplier))) {  in device_link_add()
566 	list_for_each_entry(link, &supplier->links.consumers, s_node) {  in device_link_add()
608 			device_link_init_status(link, consumer, supplier);  in device_link_add()
625 	get_device(supplier);  in device_link_add()
626 	link->supplier = supplier;  in device_link_add()
637 		     dev_name(supplier), dev_name(consumer));  in device_link_add()
640 		put_device(supplier);  in device_link_add()
657 		device_link_init_status(link, consumer, supplier);  in device_link_add()
661 	 * resume the supplier even without DL_FLAG_RPM_ACTIVE.  in device_link_add()
665 		pm_runtime_resume(supplier);  in device_link_add()
667 	list_add_tail_rcu(&link->s_node, &supplier->links.consumers);  in device_link_add()
673 			dev_name(supplier));  in device_link_add()
687 	dev_dbg(consumer, "Linked as a consumer to %s\n", dev_name(supplier));  in device_link_add()
694 		pm_runtime_put(supplier);  in device_link_add()
708  * The caller is responsible for adding the links to the supplier devices once
736  *					    supplier devices, leaving any
741  * supplier links. If that succeeds, the consumer device is removed from
746  * added all the supplier links for the consumer device. It should return an
774 		dev_name(link->supplier));  in __device_link_del()
788 		 dev_name(link->supplier));  in __device_link_del()
826  * @supplier: Supplier end of the link.
831 void device_link_remove(void *consumer, struct device *supplier)  in device_link_remove()  argument
835 	if (WARN_ON(consumer == supplier))  in device_link_remove()
840 	list_for_each_entry(link, &supplier->links.consumers, s_node) {  in device_link_remove()
859 		if (link->supplier->links.status == DL_DEV_DRIVER_BOUND) {  in device_links_missing_supplier()
869  * device_links_check_suppliers - Check presence of supplier drivers.
876  * We need to guarantee that the supplier will not go away after the check has
879  * mark the link as "consumer probe in progress" to make the supplier removal
890 	 * Device waiting for supplier to become available is not allowed to  in device_links_check_suppliers()
1108 		 * probe" state to start with if the supplier is still probing  in device_links_driver_bound()
1129 		struct device *supplier;  in device_links_driver_bound()  local
1134 		supplier = link->supplier;  in device_links_driver_bound()
1150 		 * device link that was preventing the supplier from getting a  in device_links_driver_bound()
1154 			__device_links_supplier_defer_sync(supplier);  in device_links_driver_bound()
1156 			__device_links_queue_sync_state(supplier, &sync_list);  in device_links_driver_bound()
1173  * unless they already are in the "supplier unbind in progress" state in which
1195 		if (link->supplier->links.status == DL_DEV_DRIVER_BOUND) {  in __device_links_no_driver()
1291  * state to "supplier unbind" to prevent the consumer from being probed
1331  * If that's not the case, change the status of the link to "supplier unbind"
1455 	 * consumers can find this device as a supplier.  So, this check is  in fw_devlink_link_device()
1521  *   all the supplier devices already registered and ready to link to. It won't
2921 	 * this device (supplier) to be added so that they can create a device  in device_add()
2925 	 * requires the supplier be registered before it's called.  in device_add()