77 	struct w1_slave *sl = dev_to_w1_slave(dev);  in w1_slave_release()  local
79 	dev_dbg(dev, "%s: Releasing %s [%p]\n", __func__, sl->name, sl);  in w1_slave_release()
81 	w1_family_put(sl->family);  in w1_slave_release()
82 	sl->master->slave_count--;  in w1_slave_release()
87 	struct w1_slave *sl = dev_to_w1_slave(dev);  in name_show()  local
89 	return sprintf(buf, "%s\n", sl->name);  in name_show()
96 	struct w1_slave *sl = dev_to_w1_slave(dev);  in id_show()  local
97 	ssize_t count = sizeof(sl->reg_num);  in id_show()
99 	memcpy(buf, (u8 *)&sl->reg_num, count);  in id_show()
117 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in rw_write()  local
119 	mutex_lock(&sl->master->mutex);  in rw_write()
120 	if (w1_reset_select_slave(sl)) {  in rw_write()
125 	w1_write_block(sl->master, buf, count);  in rw_write()
128 	mutex_unlock(&sl->master->mutex);  in rw_write()
136 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in rw_read()  local
138 	mutex_lock(&sl->master->mutex);  in rw_read()
139 	w1_read_block(sl->master, buf, count);  in rw_read()
140 	mutex_unlock(&sl->master->mutex);  in rw_read()
364 	struct w1_slave *sl = NULL;  in w1_master_attribute_show_slaves()  local
369 		sl = list_entry(ent, struct w1_slave, w1_slave_entry);  in w1_master_attribute_show_slaves()
371 		c -= snprintf(buf + PAGE_SIZE - c, c, "%s\n", sl->name);  in w1_master_attribute_show_slaves()
373 	if (!sl)  in w1_master_attribute_show_slaves()
435 	struct w1_slave *sl;  in w1_slave_search_device()  local
437 	list_for_each_entry(sl, &dev->slist, w1_slave_entry) {  in w1_slave_search_device()
438 		if (sl->reg_num.family == rn->family &&  in w1_slave_search_device()
439 				sl->reg_num.id == rn->id &&  in w1_slave_search_device()
440 				sl->reg_num.crc == rn->crc) {  in w1_slave_search_device()
442 			return sl;  in w1_slave_search_device()
455 	struct w1_slave *sl;  in w1_master_attribute_store_add()  local
462 	sl = w1_slave_search_device(md, &rn);  in w1_master_attribute_store_add()
467 	if (sl) {  in w1_master_attribute_store_add()
468 		dev_info(dev, "Device %s already exists\n", sl->name);  in w1_master_attribute_store_add()
493 	struct w1_slave *sl;  in w1_master_attribute_store_remove()  local
500 	sl = w1_slave_search_device(md, &rn);  in w1_master_attribute_store_remove()
501 	if (sl) {  in w1_master_attribute_store_remove()
502 		result = w1_slave_detach(sl);  in w1_master_attribute_store_remove()
573 	const struct w1_slave *sl = NULL;  in w1_uevent()  local
582 		sl = container_of(dev, struct w1_slave, dev);  in w1_uevent()
584 		name = sl->name;  in w1_uevent()
593 	if (dev->driver != &w1_slave_driver || !sl)  in w1_uevent()
596 	err = add_uevent_var(env, "W1_FID=%02X", sl->reg_num.family);  in w1_uevent()
601 			     (unsigned long long)sl->reg_num.id);  in w1_uevent()
606 static int w1_family_notify(unsigned long action, struct w1_slave *sl)  in w1_family_notify()  argument
611 	fops = sl->family->fops;  in w1_family_notify()
620 			err = fops->add_slave(sl);  in w1_family_notify()
622 				dev_err(&sl->dev,  in w1_family_notify()
629 			err = sysfs_create_groups(&sl->dev.kobj, fops->groups);  in w1_family_notify()
631 				dev_err(&sl->dev,  in w1_family_notify()
639 				= hwmon_device_register_with_info(&sl->dev,  in w1_family_notify()
640 						"w1_slave_temp", sl,  in w1_family_notify()
644 				dev_warn(&sl->dev,  in w1_family_notify()
647 				sl->hwmon = hwmon;  in w1_family_notify()
653 			    sl->hwmon)  in w1_family_notify()
654 			hwmon_device_unregister(sl->hwmon);  in w1_family_notify()
656 			sl->family->fops->remove_slave(sl);  in w1_family_notify()
658 			sysfs_remove_groups(&sl->dev.kobj, fops->groups);  in w1_family_notify()
664 static int __w1_attach_slave_device(struct w1_slave *sl)  in __w1_attach_slave_device()  argument
668 	sl->dev.parent = &sl->master->dev;  in __w1_attach_slave_device()
669 	sl->dev.driver = &w1_slave_driver;  in __w1_attach_slave_device()
670 	sl->dev.bus = &w1_bus_type;  in __w1_attach_slave_device()
671 	sl->dev.release = &w1_slave_release;  in __w1_attach_slave_device()
672 	sl->dev.groups = w1_slave_groups;  in __w1_attach_slave_device()
673 	sl->dev.of_node = of_find_matching_node(sl->master->dev.of_node,  in __w1_attach_slave_device()
674 						sl->family->of_match_table);  in __w1_attach_slave_device()
676 	dev_set_name(&sl->dev, "%02x-%012llx",  in __w1_attach_slave_device()
677 		 (unsigned int) sl->reg_num.family,  in __w1_attach_slave_device()
678 		 (unsigned long long) sl->reg_num.id);  in __w1_attach_slave_device()
679 	snprintf(&sl->name[0], sizeof(sl->name),  in __w1_attach_slave_device()
681 		 (unsigned int) sl->reg_num.family,  in __w1_attach_slave_device()
682 		 (unsigned long long) sl->reg_num.id);  in __w1_attach_slave_device()
684 	dev_dbg(&sl->dev, "%s: registering %s as %p.\n", __func__,  in __w1_attach_slave_device()
685 		dev_name(&sl->dev), sl);  in __w1_attach_slave_device()
688 	dev_set_uevent_suppress(&sl->dev, true);  in __w1_attach_slave_device()
690 	err = device_register(&sl->dev);  in __w1_attach_slave_device()
692 		dev_err(&sl->dev,  in __w1_attach_slave_device()
694 			dev_name(&sl->dev), err);  in __w1_attach_slave_device()
695 		of_node_put(sl->dev.of_node);  in __w1_attach_slave_device()
696 		put_device(&sl->dev);  in __w1_attach_slave_device()
699 	w1_family_notify(BUS_NOTIFY_ADD_DEVICE, sl);  in __w1_attach_slave_device()
701 	dev_set_uevent_suppress(&sl->dev, false);  in __w1_attach_slave_device()
702 	kobject_uevent(&sl->dev.kobj, KOBJ_ADD);  in __w1_attach_slave_device()
704 	mutex_lock(&sl->master->list_mutex);  in __w1_attach_slave_device()
705 	list_add_tail(&sl->w1_slave_entry, &sl->master->slist);  in __w1_attach_slave_device()
706 	mutex_unlock(&sl->master->list_mutex);  in __w1_attach_slave_device()
713 	struct w1_slave *sl;  in w1_attach_slave_device()  local
718 	sl = kzalloc(sizeof(struct w1_slave), GFP_KERNEL);  in w1_attach_slave_device()
719 	if (!sl) {  in w1_attach_slave_device()
727 	sl->owner = THIS_MODULE;  in w1_attach_slave_device()
728 	sl->master = dev;  in w1_attach_slave_device()
729 	set_bit(W1_SLAVE_ACTIVE, &sl->flags);  in w1_attach_slave_device()
732 	memcpy(&sl->reg_num, rn, sizeof(sl->reg_num));  in w1_attach_slave_device()
733 	atomic_set(&sl->refcnt, 1);  in w1_attach_slave_device()
734 	atomic_inc(&sl->master->refcnt);  in w1_attach_slave_device()
755 	sl->family = f;  in w1_attach_slave_device()
757 	err = __w1_attach_slave_device(sl);  in w1_attach_slave_device()
760 			 sl->name);  in w1_attach_slave_device()
762 		w1_family_put(sl->family);  in w1_attach_slave_device()
763 		atomic_dec(&sl->master->refcnt);  in w1_attach_slave_device()
764 		kfree(sl);  in w1_attach_slave_device()
768 	sl->ttl = dev->slave_ttl;  in w1_attach_slave_device()
777 int w1_unref_slave(struct w1_slave *sl)  in w1_unref_slave()  argument
779 	struct w1_master *dev = sl->master;  in w1_unref_slave()
782 	refcnt = atomic_sub_return(1, &sl->refcnt);  in w1_unref_slave()
786 		dev_dbg(&sl->dev, "%s: detaching %s [%p].\n", __func__,  in w1_unref_slave()
787 			sl->name, sl);  in w1_unref_slave()
789 		list_del(&sl->w1_slave_entry);  in w1_unref_slave()
792 		memcpy(msg.id.id, &sl->reg_num, sizeof(msg.id));  in w1_unref_slave()
794 		w1_netlink_send(sl->master, &msg);  in w1_unref_slave()
796 		w1_family_notify(BUS_NOTIFY_DEL_DEVICE, sl);  in w1_unref_slave()
797 		device_unregister(&sl->dev);  in w1_unref_slave()
799 		memset(sl, 0, sizeof(*sl));  in w1_unref_slave()
801 		kfree(sl);  in w1_unref_slave()
808 int w1_slave_detach(struct w1_slave *sl)  in w1_slave_detach()  argument
812 	mutex_lock(&sl->master->list_mutex);  in w1_slave_detach()
813 	destroy_now = !test_bit(W1_SLAVE_DETACH, &sl->flags);  in w1_slave_detach()
814 	set_bit(W1_SLAVE_DETACH, &sl->flags);  in w1_slave_detach()
815 	mutex_unlock(&sl->master->list_mutex);  in w1_slave_detach()
818 		destroy_now = !w1_unref_slave(sl);  in w1_slave_detach()
842 	struct w1_slave *sl = NULL, *iter;  in w1_search_slave()  local
851 				sl = iter;  in w1_search_slave()
859 		if (sl)  in w1_search_slave()
864 	return sl;  in w1_search_slave()
869 	struct w1_slave *sl, *sln;  in w1_reconnect_slaves()  local
878 		list_for_each_entry_safe(sl, sln, &dev->slist, w1_slave_entry) {  in w1_reconnect_slaves()
884 			if ((attach && sl->family->fid == W1_FAMILY_DEFAULT  in w1_reconnect_slaves()
885 				&& sl->reg_num.family == f->fid) ||  in w1_reconnect_slaves()
886 				(!attach && sl->family->fid == f->fid)) {  in w1_reconnect_slaves()
890 				memcpy(&rn, &sl->reg_num, sizeof(rn));  in w1_reconnect_slaves()
894 				if (!w1_slave_detach(sl))  in w1_reconnect_slaves()
943 	struct w1_slave *sl;  in w1_slave_found()  local
950 	sl = w1_slave_search_device(dev, tmp);  in w1_slave_found()
951 	if (sl) {  in w1_slave_found()
952 		set_bit(W1_SLAVE_ACTIVE, &sl->flags);  in w1_slave_found()
1089 	struct w1_slave *sl, *sln;  in w1_search_process_cb()  local
1092 	list_for_each_entry(sl, &dev->slist, w1_slave_entry)  in w1_search_process_cb()
1093 		clear_bit(W1_SLAVE_ACTIVE, &sl->flags);  in w1_search_process_cb()
1099 	list_for_each_entry_safe(sl, sln, &dev->slist, w1_slave_entry) {  in w1_search_process_cb()
1100 		if (!test_bit(W1_SLAVE_ACTIVE, &sl->flags) && !--sl->ttl) {  in w1_search_process_cb()
1102 			w1_slave_detach(sl);  in w1_search_process_cb()
1105 		else if (test_bit(W1_SLAVE_ACTIVE, &sl->flags))  in w1_search_process_cb()
1106 			sl->ttl = dev->slave_ttl;  in w1_search_process_cb()