89 	struct w1_slave *sl = dev_to_w1_slave(dev);  in w1_slave_release()  local
91 	dev_dbg(dev, "%s: Releasing %s [%p]\n", __func__, sl->name, sl);  in w1_slave_release()
93 	w1_family_put(sl->family);  in w1_slave_release()
94 	sl->master->slave_count--;  in w1_slave_release()
99 	struct w1_slave *sl = dev_to_w1_slave(dev);  in name_show()  local
101 	return sprintf(buf, "%s\n", sl->name);  in name_show()
108 	struct w1_slave *sl = dev_to_w1_slave(dev);  in id_show()  local
109 	ssize_t count = sizeof(sl->reg_num);  in id_show()
111 	memcpy(buf, (u8 *)&sl->reg_num, count);  in id_show()
129 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in rw_write()  local
131 	mutex_lock(&sl->master->mutex);  in rw_write()
132 	if (w1_reset_select_slave(sl)) {  in rw_write()
137 	w1_write_block(sl->master, buf, count);  in rw_write()
140 	mutex_unlock(&sl->master->mutex);  in rw_write()
148 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in rw_read()  local
150 	mutex_lock(&sl->master->mutex);  in rw_read()
151 	w1_read_block(sl->master, buf, count);  in rw_read()
152 	mutex_unlock(&sl->master->mutex);  in rw_read()
381 	struct w1_slave *sl = NULL;  in w1_master_attribute_show_slaves()  local
386 		sl = list_entry(ent, struct w1_slave, w1_slave_entry);  in w1_master_attribute_show_slaves()
388 		c -= snprintf(buf + PAGE_SIZE - c, c, "%s\n", sl->name);  in w1_master_attribute_show_slaves()
390 	if (!sl)  in w1_master_attribute_show_slaves()
452 	struct w1_slave *sl;  in w1_slave_search_device()  local
454 	list_for_each_entry(sl, &dev->slist, w1_slave_entry) {  in w1_slave_search_device()
455 		if (sl->reg_num.family == rn->family &&  in w1_slave_search_device()
456 				sl->reg_num.id == rn->id &&  in w1_slave_search_device()
457 				sl->reg_num.crc == rn->crc) {  in w1_slave_search_device()
459 			return sl;  in w1_slave_search_device()
472 	struct w1_slave *sl;  in w1_master_attribute_store_add()  local
479 	sl = w1_slave_search_device(md, &rn);  in w1_master_attribute_store_add()
484 	if (sl) {  in w1_master_attribute_store_add()
485 		dev_info(dev, "Device %s already exists\n", sl->name);  in w1_master_attribute_store_add()
510 	struct w1_slave *sl;  in w1_master_attribute_store_remove()  local
517 	sl = w1_slave_search_device(md, &rn);  in w1_master_attribute_store_remove()
518 	if (sl) {  in w1_master_attribute_store_remove()
519 		result = w1_slave_detach(sl);  in w1_master_attribute_store_remove()
590 	struct w1_slave *sl = NULL;  in w1_uevent()  local
599 		sl = container_of(dev, struct w1_slave, dev);  in w1_uevent()
601 		name = sl->name;  in w1_uevent()
610 	if (dev->driver != &w1_slave_driver || !sl)  in w1_uevent()
613 	err = add_uevent_var(env, "W1_FID=%02X", sl->reg_num.family);  in w1_uevent()
618 			     (unsigned long long)sl->reg_num.id);  in w1_uevent()
623 static int w1_family_notify(unsigned long action, struct w1_slave *sl)  in w1_family_notify()  argument
628 	fops = sl->family->fops;  in w1_family_notify()
637 			err = fops->add_slave(sl);  in w1_family_notify()
639 				dev_err(&sl->dev,  in w1_family_notify()
646 			err = sysfs_create_groups(&sl->dev.kobj, fops->groups);  in w1_family_notify()
648 				dev_err(&sl->dev,  in w1_family_notify()
656 				= hwmon_device_register_with_info(&sl->dev,  in w1_family_notify()
657 						"w1_slave_temp", sl,  in w1_family_notify()
661 				dev_warn(&sl->dev,  in w1_family_notify()
664 				sl->hwmon = hwmon;  in w1_family_notify()
670 			    sl->hwmon)  in w1_family_notify()
671 			hwmon_device_unregister(sl->hwmon);  in w1_family_notify()
673 			sl->family->fops->remove_slave(sl);  in w1_family_notify()
675 			sysfs_remove_groups(&sl->dev.kobj, fops->groups);  in w1_family_notify()
681 static int __w1_attach_slave_device(struct w1_slave *sl)  in __w1_attach_slave_device()  argument
685 	sl->dev.parent = &sl->master->dev;  in __w1_attach_slave_device()
686 	sl->dev.driver = &w1_slave_driver;  in __w1_attach_slave_device()
687 	sl->dev.bus = &w1_bus_type;  in __w1_attach_slave_device()
688 	sl->dev.release = &w1_slave_release;  in __w1_attach_slave_device()
689 	sl->dev.groups = w1_slave_groups;  in __w1_attach_slave_device()
690 	sl->dev.of_node = of_find_matching_node(sl->master->dev.of_node,  in __w1_attach_slave_device()
691 						sl->family->of_match_table);  in __w1_attach_slave_device()
693 	dev_set_name(&sl->dev, "%02x-%012llx",  in __w1_attach_slave_device()
694 		 (unsigned int) sl->reg_num.family,  in __w1_attach_slave_device()
695 		 (unsigned long long) sl->reg_num.id);  in __w1_attach_slave_device()
696 	snprintf(&sl->name[0], sizeof(sl->name),  in __w1_attach_slave_device()
698 		 (unsigned int) sl->reg_num.family,  in __w1_attach_slave_device()
699 		 (unsigned long long) sl->reg_num.id);  in __w1_attach_slave_device()
701 	dev_dbg(&sl->dev, "%s: registering %s as %p.\n", __func__,  in __w1_attach_slave_device()
702 		dev_name(&sl->dev), sl);  in __w1_attach_slave_device()
705 	dev_set_uevent_suppress(&sl->dev, true);  in __w1_attach_slave_device()
707 	err = device_register(&sl->dev);  in __w1_attach_slave_device()
709 		dev_err(&sl->dev,  in __w1_attach_slave_device()
711 			dev_name(&sl->dev), err);  in __w1_attach_slave_device()
712 		put_device(&sl->dev);  in __w1_attach_slave_device()
715 	w1_family_notify(BUS_NOTIFY_ADD_DEVICE, sl);  in __w1_attach_slave_device()
717 	dev_set_uevent_suppress(&sl->dev, false);  in __w1_attach_slave_device()
718 	kobject_uevent(&sl->dev.kobj, KOBJ_ADD);  in __w1_attach_slave_device()
720 	mutex_lock(&sl->master->list_mutex);  in __w1_attach_slave_device()
721 	list_add_tail(&sl->w1_slave_entry, &sl->master->slist);  in __w1_attach_slave_device()
722 	mutex_unlock(&sl->master->list_mutex);  in __w1_attach_slave_device()
729 	struct w1_slave *sl;  in w1_attach_slave_device()  local
734 	sl = kzalloc(sizeof(struct w1_slave), GFP_KERNEL);  in w1_attach_slave_device()
735 	if (!sl) {  in w1_attach_slave_device()
743 	sl->owner = THIS_MODULE;  in w1_attach_slave_device()
744 	sl->master = dev;  in w1_attach_slave_device()
745 	set_bit(W1_SLAVE_ACTIVE, &sl->flags);  in w1_attach_slave_device()
748 	memcpy(&sl->reg_num, rn, sizeof(sl->reg_num));  in w1_attach_slave_device()
749 	atomic_set(&sl->refcnt, 1);  in w1_attach_slave_device()
750 	atomic_inc(&sl->master->refcnt);  in w1_attach_slave_device()
771 	sl->family = f;  in w1_attach_slave_device()
773 	err = __w1_attach_slave_device(sl);  in w1_attach_slave_device()
776 			 sl->name);  in w1_attach_slave_device()
778 		w1_family_put(sl->family);  in w1_attach_slave_device()
779 		atomic_dec(&sl->master->refcnt);  in w1_attach_slave_device()
780 		kfree(sl);  in w1_attach_slave_device()
784 	sl->ttl = dev->slave_ttl;  in w1_attach_slave_device()
793 int w1_unref_slave(struct w1_slave *sl)  in w1_unref_slave()  argument
795 	struct w1_master *dev = sl->master;  in w1_unref_slave()
798 	refcnt = atomic_sub_return(1, &sl->refcnt);  in w1_unref_slave()
802 		dev_dbg(&sl->dev, "%s: detaching %s [%p].\n", __func__,  in w1_unref_slave()
803 			sl->name, sl);  in w1_unref_slave()
805 		list_del(&sl->w1_slave_entry);  in w1_unref_slave()
808 		memcpy(msg.id.id, &sl->reg_num, sizeof(msg.id));  in w1_unref_slave()
810 		w1_netlink_send(sl->master, &msg);  in w1_unref_slave()
812 		w1_family_notify(BUS_NOTIFY_DEL_DEVICE, sl);  in w1_unref_slave()
813 		device_unregister(&sl->dev);  in w1_unref_slave()
815 		memset(sl, 0, sizeof(*sl));  in w1_unref_slave()
817 		kfree(sl);  in w1_unref_slave()
824 int w1_slave_detach(struct w1_slave *sl)  in w1_slave_detach()  argument
828 	mutex_lock(&sl->master->list_mutex);  in w1_slave_detach()
829 	destroy_now = !test_bit(W1_SLAVE_DETACH, &sl->flags);  in w1_slave_detach()
830 	set_bit(W1_SLAVE_DETACH, &sl->flags);  in w1_slave_detach()
831 	mutex_unlock(&sl->master->list_mutex);  in w1_slave_detach()
834 		destroy_now = !w1_unref_slave(sl);  in w1_slave_detach()
859 	struct w1_slave *sl = NULL;  in w1_search_slave()  local
865 		list_for_each_entry(sl, &dev->slist, w1_slave_entry) {  in w1_search_slave()
866 			if (sl->reg_num.family == id->family &&  in w1_search_slave()
867 					sl->reg_num.id == id->id &&  in w1_search_slave()
868 					sl->reg_num.crc == id->crc) {  in w1_search_slave()
871 				atomic_inc(&sl->refcnt);  in w1_search_slave()
882 	return (found)?sl:NULL;  in w1_search_slave()
887 	struct w1_slave *sl, *sln;  in w1_reconnect_slaves()  local
896 		list_for_each_entry_safe(sl, sln, &dev->slist, w1_slave_entry) {  in w1_reconnect_slaves()
902 			if ((attach && sl->family->fid == W1_FAMILY_DEFAULT  in w1_reconnect_slaves()
903 				&& sl->reg_num.family == f->fid) ||  in w1_reconnect_slaves()
904 				(!attach && sl->family->fid == f->fid)) {  in w1_reconnect_slaves()
908 				memcpy(&rn, &sl->reg_num, sizeof(rn));  in w1_reconnect_slaves()
912 				if (!w1_slave_detach(sl))  in w1_reconnect_slaves()
927 	struct w1_slave *sl;  in w1_slave_found()  local
935 	sl = w1_slave_search_device(dev, tmp);  in w1_slave_found()
936 	if (sl) {  in w1_slave_found()
937 		set_bit(W1_SLAVE_ACTIVE, &sl->flags);  in w1_slave_found()
1074 	struct w1_slave *sl, *sln;  in w1_search_process_cb()  local
1077 	list_for_each_entry(sl, &dev->slist, w1_slave_entry)  in w1_search_process_cb()
1078 		clear_bit(W1_SLAVE_ACTIVE, &sl->flags);  in w1_search_process_cb()
1084 	list_for_each_entry_safe(sl, sln, &dev->slist, w1_slave_entry) {  in w1_search_process_cb()
1085 		if (!test_bit(W1_SLAVE_ACTIVE, &sl->flags) && !--sl->ttl) {  in w1_search_process_cb()
1087 			w1_slave_detach(sl);  in w1_search_process_cb()
1090 		else if (test_bit(W1_SLAVE_ACTIVE, &sl->flags))  in w1_search_process_cb()
1091 			sl->ttl = dev->slave_ttl;  in w1_search_process_cb()