93 	struct w1_slave *sl = dev_to_w1_slave(dev);  in w1_slave_release()  local
95 	dev_dbg(dev, "%s: Releasing %s [%p]\n", __func__, sl->name, sl);  in w1_slave_release()
97 	w1_family_put(sl->family);  in w1_slave_release()
98 	sl->master->slave_count--;  in w1_slave_release()
103 	struct w1_slave *sl = dev_to_w1_slave(dev);  in name_show()  local
105 	return sprintf(buf, "%s\n", sl->name);  in name_show()
112 	struct w1_slave *sl = dev_to_w1_slave(dev);  in id_show()  local
113 	ssize_t count = sizeof(sl->reg_num);  in id_show()
115 	memcpy(buf, (u8 *)&sl->reg_num, count);  in id_show()
133 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in rw_write()  local
135 	mutex_lock(&sl->master->mutex);  in rw_write()
136 	if (w1_reset_select_slave(sl)) {  in rw_write()
141 	w1_write_block(sl->master, buf, count);  in rw_write()
144 	mutex_unlock(&sl->master->mutex);  in rw_write()
152 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in rw_read()  local
154 	mutex_lock(&sl->master->mutex);  in rw_read()
155 	w1_read_block(sl->master, buf, count);  in rw_read()
156 	mutex_unlock(&sl->master->mutex);  in rw_read()
377 	struct w1_slave *sl = NULL;  in w1_master_attribute_show_slaves()  local
382 		sl = list_entry(ent, struct w1_slave, w1_slave_entry);  in w1_master_attribute_show_slaves()
384 		c -= snprintf(buf + PAGE_SIZE - c, c, "%s\n", sl->name);  in w1_master_attribute_show_slaves()
386 	if (!sl)  in w1_master_attribute_show_slaves()
448 	struct w1_slave *sl;  in w1_slave_search_device()  local
450 	list_for_each_entry(sl, &dev->slist, w1_slave_entry) {  in w1_slave_search_device()
451 		if (sl->reg_num.family == rn->family &&  in w1_slave_search_device()
452 				sl->reg_num.id == rn->id &&  in w1_slave_search_device()
453 				sl->reg_num.crc == rn->crc) {  in w1_slave_search_device()
455 			return sl;  in w1_slave_search_device()
468 	struct w1_slave *sl;  in w1_master_attribute_store_add()  local
475 	sl = w1_slave_search_device(md, &rn);  in w1_master_attribute_store_add()
480 	if (sl) {  in w1_master_attribute_store_add()
481 		dev_info(dev, "Device %s already exists\n", sl->name);  in w1_master_attribute_store_add()
506 	struct w1_slave *sl;  in w1_master_attribute_store_remove()  local
513 	sl = w1_slave_search_device(md, &rn);  in w1_master_attribute_store_remove()
514 	if (sl) {  in w1_master_attribute_store_remove()
515 		result = w1_slave_detach(sl);  in w1_master_attribute_store_remove()
584 	struct w1_slave *sl = NULL;  in w1_uevent()  local
593 		sl = container_of(dev, struct w1_slave, dev);  in w1_uevent()
595 		name = sl->name;  in w1_uevent()
604 	if (dev->driver != &w1_slave_driver || !sl)  in w1_uevent()
607 	err = add_uevent_var(env, "W1_FID=%02X", sl->reg_num.family);  in w1_uevent()
612 			     (unsigned long long)sl->reg_num.id);  in w1_uevent()
617 static int w1_family_notify(unsigned long action, struct w1_slave *sl)  in w1_family_notify()  argument
622 	fops = sl->family->fops;  in w1_family_notify()
631 			err = fops->add_slave(sl);  in w1_family_notify()
633 				dev_err(&sl->dev,  in w1_family_notify()
640 			err = sysfs_create_groups(&sl->dev.kobj, fops->groups);  in w1_family_notify()
642 				dev_err(&sl->dev,  in w1_family_notify()
652 			sl->family->fops->remove_slave(sl);  in w1_family_notify()
654 			sysfs_remove_groups(&sl->dev.kobj, fops->groups);  in w1_family_notify()
660 static int __w1_attach_slave_device(struct w1_slave *sl)  in __w1_attach_slave_device()  argument
664 	sl->dev.parent = &sl->master->dev;  in __w1_attach_slave_device()
665 	sl->dev.driver = &w1_slave_driver;  in __w1_attach_slave_device()
666 	sl->dev.bus = &w1_bus_type;  in __w1_attach_slave_device()
667 	sl->dev.release = &w1_slave_release;  in __w1_attach_slave_device()
668 	sl->dev.groups = w1_slave_groups;  in __w1_attach_slave_device()
670 	dev_set_name(&sl->dev, "%02x-%012llx",  in __w1_attach_slave_device()
671 		 (unsigned int) sl->reg_num.family,  in __w1_attach_slave_device()
672 		 (unsigned long long) sl->reg_num.id);  in __w1_attach_slave_device()
673 	snprintf(&sl->name[0], sizeof(sl->name),  in __w1_attach_slave_device()
675 		 (unsigned int) sl->reg_num.family,  in __w1_attach_slave_device()
676 		 (unsigned long long) sl->reg_num.id);  in __w1_attach_slave_device()
678 	dev_dbg(&sl->dev, "%s: registering %s as %p.\n", __func__,  in __w1_attach_slave_device()
679 		dev_name(&sl->dev), sl);  in __w1_attach_slave_device()
682 	dev_set_uevent_suppress(&sl->dev, true);  in __w1_attach_slave_device()
684 	err = device_register(&sl->dev);  in __w1_attach_slave_device()
686 		dev_err(&sl->dev,  in __w1_attach_slave_device()
688 			dev_name(&sl->dev), err);  in __w1_attach_slave_device()
691 	w1_family_notify(BUS_NOTIFY_ADD_DEVICE, sl);  in __w1_attach_slave_device()
693 	dev_set_uevent_suppress(&sl->dev, false);  in __w1_attach_slave_device()
694 	kobject_uevent(&sl->dev.kobj, KOBJ_ADD);  in __w1_attach_slave_device()
696 	mutex_lock(&sl->master->list_mutex);  in __w1_attach_slave_device()
697 	list_add_tail(&sl->w1_slave_entry, &sl->master->slist);  in __w1_attach_slave_device()
698 	mutex_unlock(&sl->master->list_mutex);  in __w1_attach_slave_device()
705 	struct w1_slave *sl;  in w1_attach_slave_device()  local
710 	sl = kzalloc(sizeof(struct w1_slave), GFP_KERNEL);  in w1_attach_slave_device()
711 	if (!sl) {  in w1_attach_slave_device()
719 	sl->owner = THIS_MODULE;  in w1_attach_slave_device()
720 	sl->master = dev;  in w1_attach_slave_device()
721 	set_bit(W1_SLAVE_ACTIVE, &sl->flags);  in w1_attach_slave_device()
724 	memcpy(&sl->reg_num, rn, sizeof(sl->reg_num));  in w1_attach_slave_device()
725 	atomic_set(&sl->refcnt, 1);  in w1_attach_slave_device()
726 	atomic_inc(&sl->master->refcnt);  in w1_attach_slave_device()
744 	sl->family = f;  in w1_attach_slave_device()
747 	err = __w1_attach_slave_device(sl);  in w1_attach_slave_device()
750 			 sl->name);  in w1_attach_slave_device()
751 		w1_family_put(sl->family);  in w1_attach_slave_device()
752 		kfree(sl);  in w1_attach_slave_device()
756 	sl->ttl = dev->slave_ttl;  in w1_attach_slave_device()
766 int w1_unref_slave(struct w1_slave *sl)  in w1_unref_slave()  argument
768 	struct w1_master *dev = sl->master;  in w1_unref_slave()
771 	refcnt = atomic_sub_return(1, &sl->refcnt);  in w1_unref_slave()
775 		dev_dbg(&sl->dev, "%s: detaching %s [%p].\n", __func__,  in w1_unref_slave()
776 			sl->name, sl);  in w1_unref_slave()
778 		list_del(&sl->w1_slave_entry);  in w1_unref_slave()
781 		memcpy(msg.id.id, &sl->reg_num, sizeof(msg.id));  in w1_unref_slave()
783 		w1_netlink_send(sl->master, &msg);  in w1_unref_slave()
785 		w1_family_notify(BUS_NOTIFY_DEL_DEVICE, sl);  in w1_unref_slave()
786 		device_unregister(&sl->dev);  in w1_unref_slave()
788 		memset(sl, 0, sizeof(*sl));  in w1_unref_slave()
790 		kfree(sl);  in w1_unref_slave()
797 int w1_slave_detach(struct w1_slave *sl)  in w1_slave_detach()  argument
801 	mutex_lock(&sl->master->list_mutex);  in w1_slave_detach()
802 	destroy_now = !test_bit(W1_SLAVE_DETACH, &sl->flags);  in w1_slave_detach()
803 	set_bit(W1_SLAVE_DETACH, &sl->flags);  in w1_slave_detach()
804 	mutex_unlock(&sl->master->list_mutex);  in w1_slave_detach()
807 		destroy_now = !w1_unref_slave(sl);  in w1_slave_detach()
832 	struct w1_slave *sl = NULL;  in w1_search_slave()  local
838 		list_for_each_entry(sl, &dev->slist, w1_slave_entry) {  in w1_search_slave()
839 			if (sl->reg_num.family == id->family &&  in w1_search_slave()
840 					sl->reg_num.id == id->id &&  in w1_search_slave()
841 					sl->reg_num.crc == id->crc) {  in w1_search_slave()
844 				atomic_inc(&sl->refcnt);  in w1_search_slave()
855 	return (found)?sl:NULL;  in w1_search_slave()
860 	struct w1_slave *sl, *sln;  in w1_reconnect_slaves()  local
869 		list_for_each_entry_safe(sl, sln, &dev->slist, w1_slave_entry) {  in w1_reconnect_slaves()
875 			if ((attach && sl->family->fid == W1_FAMILY_DEFAULT  in w1_reconnect_slaves()
876 				&& sl->reg_num.family == f->fid) ||  in w1_reconnect_slaves()
877 				(!attach && sl->family->fid == f->fid)) {  in w1_reconnect_slaves()
881 				memcpy(&rn, &sl->reg_num, sizeof(rn));  in w1_reconnect_slaves()
885 				if (!w1_slave_detach(sl))  in w1_reconnect_slaves()
900 	struct w1_slave *sl;  in w1_slave_found()  local
908 	sl = w1_slave_search_device(dev, tmp);  in w1_slave_found()
909 	if (sl) {  in w1_slave_found()
910 		set_bit(W1_SLAVE_ACTIVE, &sl->flags);  in w1_slave_found()
1047 	struct w1_slave *sl, *sln;  in w1_search_process_cb()  local
1050 	list_for_each_entry(sl, &dev->slist, w1_slave_entry)  in w1_search_process_cb()
1051 		clear_bit(W1_SLAVE_ACTIVE, &sl->flags);  in w1_search_process_cb()
1057 	list_for_each_entry_safe(sl, sln, &dev->slist, w1_slave_entry) {  in w1_search_process_cb()
1058 		if (!test_bit(W1_SLAVE_ACTIVE, &sl->flags) && !--sl->ttl) {  in w1_search_process_cb()
1060 			w1_slave_detach(sl);  in w1_search_process_cb()
1063 		else if (test_bit(W1_SLAVE_ACTIVE, &sl->flags))  in w1_search_process_cb()
1064 			sl->ttl = dev->slave_ttl;  in w1_search_process_cb()