Re: [PATCH v2] tpm: Factor out common startup code

From: Jason Gunthorpe
Date: Tue May 17 2016 - 12:53:16 EST


On Tue, May 17, 2016 at 07:15:57AM +0300, Jarkko Sakkinen wrote:
> On Mon, May 16, 2016 at 12:25:47PM -0600, Jason Gunthorpe wrote:
> > Provide some flags in tpm_class_ops to allow drivers to opt-in to the
> > common startup sequence. This is the sequence used by tpm_tis and
> > tpm_crb.
> >
> > All drivers should set this flag.
>
> The commit message should be a much much more verbose I cannot include
> this without a better explanation. Please update this for the next
> revision.

What more description do you want to see?

> > + if (chip->ops->flags & TPM_OPS_PROBE_TPM2) {
> > + rc = tpm2_probe(chip);
> > + if (rc)
> > + return rc;
> > + }
>
> Dead code.

Yes, this is used by the follow on driver updates. Andrew is going to
be sending a patch that uses it right away. I don't really care if it
gets shifted to that patch or not..

Jason