On Tue, 2021-11-02 at 17:20 +0200, amirmizi6@gmail.com wrote:

From: Amir Mizinski <redacted>

Add a condition to enable communication with the TPM while the TPM is in
firmware update mode.
In such a case if power was cut during the TPM firmware update, the driver
should ignore the "selftest" command return code (TPM2_RC_UPGRADE or
TPM2_RC_COMMAND_CODE) and skip the rest of the TPM initialization
sequence.

Suggested-by: Benoit Houyere <redacted>
Signed-off-by: Amir Mizinski <redacted>

This is a half-baked handling of the FW upgrade mode.

There's another patch in progress that aims to do proper handling
for it:

https://lore.kernel.org/linux-integrity/20210930160241.9691-1-borysmn@axis.com/ (local)

I CC'd Borys for further comments/discussion.

/Jarkko