Re: [PATCH RFC,v2] tpm_crb: request and relinquish locality 0

[Jarkko Sakkinen]

On Sat, Mar 11, 2017 at 12:55:43PM +0200, Jarkko Sakkinen wrote:
> On Sat, Mar 11, 2017 at 12:53:36PM +0200, Jarkko Sakkinen wrote:
> > Added two new callbacks to struct tpm_class_ops:
> > 
> > - request_locality
> > - relinquish_locality
> > 
> > These are called before sending and receiving data from the TPM.
> > 
> > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
> > ---
> > This not yet v2 of this patch. I'm checking that this is what needs to be done
> > for tpm_tis_core before I go through testing etc. Thank you.
> 
> And apparently I did not amend tpm-interface.c change :( Anyway, I'm
> merely sanity checking that I'm doing the right thing.

If check_locality fails request_locality returns locality number
but it's not used for anything. Would it be OK to change it to
just return -EBUSY in this case?

/Jarkko