TPM_PPI_REVISION_ID_1
u64 rev = TPM_PPI_REVISION_ID_1;
TPM_PPI_REVISION_ID_1, 1 << TPM_PPI_FN_SUBREQ2))
ACPI_TYPE_INTEGER, obj, TPM_PPI_REVISION_ID_1);
ACPI_TYPE_PACKAGE, NULL, TPM_PPI_REVISION_ID_1);
if (!acpi_check_dsm(dev_handle, &tpm_ppi_guid, TPM_PPI_REVISION_ID_1,
TPM_PPI_REVISION_ID_1);
TPM_PPI_REVISION_ID_1, 1 << TPM_PPI_FN_VERSION))
TPM_PPI_REVISION_ID_1,
rev = TPM_PPI_REVISION_ID_1;