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Re: [PATCH] acpi: tpm: Do not build TCPA table for TPM 2


From: Stefan Berger
Subject: Re: [PATCH] acpi: tpm: Do not build TCPA table for TPM 2
Date: Fri, 29 May 2020 18:23:18 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

On 5/29/20 3:28 PM, Stefan Berger wrote:
From: Stefan Berger <stefanb@linux.ibm.com>

Do not build a TCPA table for TPM 2 anymore but create the log area when
building the TPM2 table. The TCPA table is only needed for TPM 1.2.

Specs are here: https://trustedcomputinggroup.org/wp-content/uploads/TCG_ACPIGeneralSpecification_v1.20_r8.pdf

TCPA is a TPM 1.2 table and TPM2 tables is sufficient for TPM 2.0.






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