ACPI_SIG_TPM2 24 drivers/char/tpm/tpm_crb.c #define ACPI_SIG_TPM2 "TPM2" ACPI_SIG_TPM2 34 include/acpi/actbl3.h #define ACPI_SIG_TPM2 "TPM2" /* Trusted Platform Module 2.0 H/W interface table */