48 	int (*init)(struct generic_sub_driver *sub_driver);
49 	void (*notify)(struct generic_sub_driver *sub_driver, u32 event);
149 	struct generic_sub_driver *sub_driver = data;  in dispatch_acpi_notify()  local
151 	if (!sub_driver || !sub_driver->notify)  in dispatch_acpi_notify()
153 	sub_driver->notify(sub_driver, event);  in dispatch_acpi_notify()
156 static int __init setup_acpi_notify(struct generic_sub_driver *sub_driver)  in setup_acpi_notify()  argument
160 	if (!*sub_driver->handle)  in setup_acpi_notify()
163 	sub_driver->device = acpi_fetch_acpi_dev(*sub_driver->handle);  in setup_acpi_notify()
164 	if (!sub_driver->device) {  in setup_acpi_notify()
165 		pr_err("acpi_fetch_acpi_dev(%s) failed\n", sub_driver->name);  in setup_acpi_notify()
169 	sub_driver->device->driver_data = sub_driver;  in setup_acpi_notify()
170 	sprintf(acpi_device_class(sub_driver->device), "%s/%s",  in setup_acpi_notify()
171 		ACPI_LAPTOP_ACPI_EVENT_PREFIX, sub_driver->name);  in setup_acpi_notify()
173 	status = acpi_install_notify_handler(*sub_driver->handle,  in setup_acpi_notify()
174 			sub_driver->type, dispatch_acpi_notify, sub_driver);  in setup_acpi_notify()
178 				  "handling %s events\n", sub_driver->name);  in setup_acpi_notify()
181 			       sub_driver->name, acpi_format_exception(status));  in setup_acpi_notify()
185 	sub_driver->acpi_notify_installed = 1;  in setup_acpi_notify()
438 static int __init event_init(struct generic_sub_driver *sub_driver)  in event_init()  argument
471 static void event_notify(struct generic_sub_driver *sub_driver, u32 event)  in event_notify()  argument
494 static void generic_subdriver_exit(struct generic_sub_driver *sub_driver);
496 static int __init generic_subdriver_init(struct generic_sub_driver *sub_driver)  in generic_subdriver_init()  argument
500 	if (!sub_driver || !sub_driver->driver)  in generic_subdriver_init()
503 	ret = platform_driver_register(sub_driver->driver);  in generic_subdriver_init()
507 	if (sub_driver->init) {  in generic_subdriver_init()
508 		ret = sub_driver->init(sub_driver);  in generic_subdriver_init()
513 	if (sub_driver->notify) {  in generic_subdriver_init()
514 		ret = setup_acpi_notify(sub_driver);  in generic_subdriver_init()
526 	generic_subdriver_exit(sub_driver);  in generic_subdriver_init()
530 static void generic_subdriver_exit(struct generic_sub_driver *sub_driver)  in generic_subdriver_exit()  argument
533 	if (sub_driver->acpi_notify_installed) {  in generic_subdriver_exit()
534 		acpi_remove_notify_handler(*sub_driver->handle,  in generic_subdriver_exit()
535 					   sub_driver->type, dispatch_acpi_notify);  in generic_subdriver_exit()
536 		sub_driver->acpi_notify_installed = 0;  in generic_subdriver_exit()
538 	platform_driver_unregister(sub_driver->driver);  in generic_subdriver_exit()