dell_smm_get_signature
if (dell_smm_get_signature(ops, I8K_SMM_GET_DELL_SIG1) &&
dell_smm_get_signature(ops, I8K_SMM_GET_DELL_SIG2))
if (dell_smm_get_signature(&i8k_smm_ops, I8K_SMM_GET_DELL_SIG1) &&
dell_smm_get_signature(&i8k_smm_ops, I8K_SMM_GET_DELL_SIG2)) {