15 #include <linux/reboot.h>
16 #include <linux/reboot-mode.h>
26 static unsigned int get_reboot_mode_magic(struct reboot_mode_driver *reboot,  in get_reboot_mode_magic()  argument
36 	list_for_each_entry(info, &reboot->head, list) {  in get_reboot_mode_magic()
49 	struct reboot_mode_driver *reboot;  in reboot_mode_notify()  local
52 	reboot = container_of(this, struct reboot_mode_driver, reboot_notifier);  in reboot_mode_notify()
53 	magic = get_reboot_mode_magic(reboot, cmd);  in reboot_mode_notify()
55 		reboot->write(reboot, magic);  in reboot_mode_notify()
61  * reboot_mode_register - register a reboot mode driver
62  * @reboot: reboot mode driver
66 int reboot_mode_register(struct reboot_mode_driver *reboot)  in reboot_mode_register()  argument
70 	struct device_node *np = reboot->dev->of_node;  in reboot_mode_register()
74 	INIT_LIST_HEAD(&reboot->head);  in reboot_mode_register()
80 		info = devm_kzalloc(reboot->dev, sizeof(*info), GFP_KERNEL);  in reboot_mode_register()
87 			dev_err(reboot->dev, "reboot mode %s without magic number\n",  in reboot_mode_register()
89 			devm_kfree(reboot->dev, info);  in reboot_mode_register()
100 			dev_err(reboot->dev, "invalid mode name(%s): too short!\n",  in reboot_mode_register()
105 		list_add_tail(&info->list, &reboot->head);  in reboot_mode_register()
108 	reboot->reboot_notifier.notifier_call = reboot_mode_notify;  in reboot_mode_register()
109 	register_reboot_notifier(&reboot->reboot_notifier);  in reboot_mode_register()
114 	list_for_each_entry(info, &reboot->head, list)  in reboot_mode_register()
122  * reboot_mode_unregister - unregister a reboot mode driver
123  * @reboot: reboot mode driver
125 int reboot_mode_unregister(struct reboot_mode_driver *reboot)  in reboot_mode_unregister()  argument
129 	unregister_reboot_notifier(&reboot->reboot_notifier);  in reboot_mode_unregister()
131 	list_for_each_entry(info, &reboot->head, list)  in reboot_mode_unregister()
146  * @reboot: reboot mode driver
151 			      struct reboot_mode_driver *reboot)  in devm_reboot_mode_register()  argument
160 	rc = reboot_mode_register(reboot);  in devm_reboot_mode_register()
166 	*dr = reboot;  in devm_reboot_mode_register()
186  * @reboot: reboot mode driver
189 				 struct reboot_mode_driver *reboot)  in devm_reboot_mode_unregister()  argument
193 			       devm_reboot_mode_match, reboot));  in devm_reboot_mode_unregister()
198 MODULE_DESCRIPTION("System reboot mode core library");