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 */