102  * acpi_register_wakeup_handler - Register wakeup handler
104  * @wakeup:   Wakeup-handler to call when the SCI has triggered a wakeup
105  * @context:  Context to pass to the handler when calling it
108  * a handler which returns true when the device they are managing wants
114 	struct acpi_wakeup_handler *handler;  in acpi_register_wakeup_handler()  local
118 	 * need to register the handler.  in acpi_register_wakeup_handler()
123 	handler = kmalloc(sizeof(*handler), GFP_KERNEL);  in acpi_register_wakeup_handler()
124 	if (!handler)  in acpi_register_wakeup_handler()
127 	handler->wakeup = wakeup;  in acpi_register_wakeup_handler()
128 	handler->context = context;  in acpi_register_wakeup_handler()
131 	list_add(&handler->list_node, &acpi_wakeup_handler_head);  in acpi_register_wakeup_handler()
139  * acpi_unregister_wakeup_handler - Unregister wakeup handler
140  * @wakeup:   Wakeup-handler passed to acpi_register_wakeup_handler()
146 	struct acpi_wakeup_handler *handler;  in acpi_unregister_wakeup_handler()  local
149 	list_for_each_entry(handler, &acpi_wakeup_handler_head, list_node) {  in acpi_unregister_wakeup_handler()
150 		if (handler->wakeup == wakeup && handler->context == context) {  in acpi_unregister_wakeup_handler()
151 			list_del(&handler->list_node);  in acpi_unregister_wakeup_handler()
152 			kfree(handler);  in acpi_unregister_wakeup_handler()
162 	struct acpi_wakeup_handler *handler;  in acpi_check_wakeup_handlers()  local
165 	list_for_each_entry(handler, &acpi_wakeup_handler_head, list_node) {  in acpi_check_wakeup_handlers()
166 		if (handler->wakeup(handler->context))  in acpi_check_wakeup_handlers()