linux-kernel - Re: [PATCH] tpm: Start the tpm2 before running a self test.

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Message-Id: <CX6NSGFJVYKC.3KFEPA92N0V53@kernel.org>
Date:   Fri, 24 Nov 2023 03:42:29 +0200
From:   "Jarkko Sakkinen" <jarkko@...nel.org>
To:     "Hermin Anggawijaya" <hermin.anggawijaya@...iedtelesis.co.nz>,
        <peterhuewe@....de>, <jgg@...pe.ca>
Cc:     <linux-integrity@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tpm: Start the tpm2 before running a self test.

On Wed Nov 22, 2023 at 8:55 AM EET, Hermin Anggawijaya wrote:
> Before sending a command to attempt the self test, the TPM
> may need to be started, otherwise the self test returns
> TPM2_RC_INITIALIZE value causing a log as follows:
> "tpm tpm0: A TPM error (256) occurred attempting the self test".
>
> Signed-off-by: Hermin Anggawijaya <hermin.anggawijaya@...iedtelesis.co.nz>

Firmware does TPM power on.

BR, Jarkko