delete_attr_set  3172 drivers/platform/x86/thinkpad_acpi.c 		delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
delete_attr_set  3744 drivers/platform/x86/thinkpad_acpi.c 	delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);