63 static struct platform_device *pf_device;  variable
606 	if (pf_device)  in acpi_add()
613 	pf_device = platform_device_register_simple(PLATFORM_NAME,  in acpi_add()
616 	if (IS_ERR(pf_device)) {  in acpi_add()
617 		ret = PTR_ERR(pf_device);  in acpi_add()
618 		pf_device = NULL;  in acpi_add()
623 	ret = sysfs_create_group(&pf_device->dev.kobj, &dev_attribute_group);  in acpi_add()
628 	led_classdev_register(&pf_device->dev, &kbd_backlight);  in acpi_add()
629 	led_classdev_register(&pf_device->dev, &tpad_led);  in acpi_add()
636 	platform_device_unregister(pf_device);  in acpi_add()
644 	sysfs_remove_group(&pf_device->dev.kobj, &dev_attribute_group);  in acpi_remove()
650 	platform_device_unregister(pf_device);  in acpi_remove()
651 	pf_device = NULL;  in acpi_remove()