Re: [Regression] TPM char device not created if TPM 1.2 is disabled, but visible

[Jarkko Sakkinen]

On Mon, 2018-03-05 at 19:28 +0000, Sahil Rihan wrote:
> Agree on keeping the warning. 
> 
> I'm guessing you want to return -ENODEV from tpm_bios_log_setup. Doing it from
> tpm_read_log_acpi will just fall through to calling tpm_read_log_of, which I
> think will end up returning -EIO again.
> 
> In terms of semantics I'm not sure if -ENODEV is the right return code if the
> BIOS event log is absent. I guess you can claim it's some sort of "device". I
> donât have a strong opinion here.
> 
> Sahil

You are absolutely right. Printing warning and returning zero would be
the right measure to take.

One more cosmetic detail. Should the log level be info or warn? I mean
as far as I'm concerned everything is in a legit state.

/Jarkko