-extern ssize_t tpm_show_enabled(struct device *, struct device_attribute *attr,
- char *);
-extern ssize_t tpm_show_active(struct device *, struct device_attribute *attr,
- char *);
-extern ssize_t tpm_show_owned(struct device *, struct device_attribute *attr,
- char *);
-extern ssize_t tpm_show_temp_deactivated(struct device *,
- struct device_attribute *attr, char *);