Re: TPM driver breaks S3 suspend

Jarkko Sakkinen
2017-12-24T20:37:59Z

> The correct solution should be something like tpm2_auto_startup
> (execute selftests, if they fail because of the missing startup
> command, execute that and retry the selftests). Interestingly,
> tpm1_auto_startup (same purpose as tpm2_auto_startup, but for TPM 1.2
> instead) does not use the same sequence, the startup-retry part is
> missing. Is there any reason this is done differently for TPM 1.2?
> Otherwise I'd propose to make tpm1_auto_startup follow the same
> sequence as tpm2_auto_startup and then call both from tpm_tis_resume,
> similar to what tpm_chip_register does.

I think the reason for that is that such regression has never reported
on TPM 1.2 platform. No other reason.

/Jarkko