Messages in this thread | | | Date | Wed, 11 Dec 2019 16:26:12 -0700 | From | Jerry Snitselaar <> | Subject | Re: [PATCH] tpm_tis: reserve chip for duration of tpm_tis_core_init |
| |
On Wed Dec 11 19, Jerry Snitselaar wrote: >Instead of repeatedly calling tpm_chip_start/tpm_chip_stop when >issuing commands to the tpm during initialization, just reserve the >chip after wait_startup, and release it when we are ready to call >tpm_chip_register. > >Cc: Christian Bundy <christianbundy@fraction.io> >Cc: Dan Williams <dan.j.williams@intel.com> >Cc: Peter Huewe <peterhuewe@gmx.de> >Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> >Cc: Jason Gunthorpe <jgg@ziepe.ca> >Cc: Stefan Berger <stefanb@linux.vnet.ibm.com> >Cc: stable@vger.kernel.org >Cc: linux-intergrity@vger.kernel.org
Typo on the list address, do you want me to resend Jarkko?
>Fixes: a3fbfae82b4c ("tpm: take TPM chip power gating out of tpm_transmit()") >Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com> >---
I did some initial testing with both a 1.2 device and a 2.0 device here. Christian, can you verify that this still solves your timeouts problem you were seeing? Dan, can you try this on the internal system with the interrupt issues? I will see if I can get the t490s owner to run it as well.
Thanks, Jerry
| |