48 	int (*init)(struct generic_sub_driver *sub_driver);
49 	void (*notify)(struct generic_sub_driver *sub_driver, u32 event);
150 	struct generic_sub_driver *sub_driver = data;  in dispatch_acpi_notify()  local
152 	if (!sub_driver || !sub_driver->notify)  in dispatch_acpi_notify()
154 	sub_driver->notify(sub_driver, event);  in dispatch_acpi_notify()
157 static int __init setup_acpi_notify(struct generic_sub_driver *sub_driver)  in setup_acpi_notify()  argument
161 	if (!*sub_driver->handle)  in setup_acpi_notify()
164 	sub_driver->device = acpi_fetch_acpi_dev(*sub_driver->handle);  in setup_acpi_notify()
165 	if (!sub_driver->device) {  in setup_acpi_notify()
166 		pr_err("acpi_fetch_acpi_dev(%s) failed\n", sub_driver->name);  in setup_acpi_notify()
170 	sub_driver->device->driver_data = sub_driver;  in setup_acpi_notify()
171 	sprintf(acpi_device_class(sub_driver->device), "%s/%s",  in setup_acpi_notify()
172 		ACPI_LAPTOP_ACPI_EVENT_PREFIX, sub_driver->name);  in setup_acpi_notify()
174 	status = acpi_install_notify_handler(*sub_driver->handle,  in setup_acpi_notify()
175 			sub_driver->type, dispatch_acpi_notify, sub_driver);  in setup_acpi_notify()
179 				  "handling %s events\n", sub_driver->name);  in setup_acpi_notify()
182 			       sub_driver->name, acpi_format_exception(status));  in setup_acpi_notify()
186 	sub_driver->acpi_notify_installed = 1;  in setup_acpi_notify()
437 static int __init event_init(struct generic_sub_driver *sub_driver)  in event_init()  argument
470 static void event_notify(struct generic_sub_driver *sub_driver, u32 event)  in event_notify()  argument
493 static void generic_subdriver_exit(struct generic_sub_driver *sub_driver);
495 static int __init generic_subdriver_init(struct generic_sub_driver *sub_driver)  in generic_subdriver_init()  argument
499 	if (!sub_driver || !sub_driver->driver)  in generic_subdriver_init()
502 	ret = platform_driver_register(sub_driver->driver);  in generic_subdriver_init()
506 	if (sub_driver->init) {  in generic_subdriver_init()
507 		ret = sub_driver->init(sub_driver);  in generic_subdriver_init()
512 	if (sub_driver->notify) {  in generic_subdriver_init()
513 		ret = setup_acpi_notify(sub_driver);  in generic_subdriver_init()
525 	generic_subdriver_exit(sub_driver);  in generic_subdriver_init()
529 static void generic_subdriver_exit(struct generic_sub_driver *sub_driver)  in generic_subdriver_exit()  argument
532 	if (sub_driver->acpi_notify_installed) {  in generic_subdriver_exit()
533 		acpi_remove_notify_handler(*sub_driver->handle,  in generic_subdriver_exit()
534 					   sub_driver->type, dispatch_acpi_notify);  in generic_subdriver_exit()
535 		sub_driver->acpi_notify_installed = 0;  in generic_subdriver_exit()
537 	platform_driver_unregister(sub_driver->driver);  in generic_subdriver_exit()