On 06/21/2018 01:15 PM, Jarkko Sakkinen wrote:
On Wed, Jun 20, 2018 at 04:42:33PM -0400, Stefan Berger wrote:
Implement tpm_chip_find() for other subsystems to find a TPM chip and
get a reference to that chip. Once done with using the chip, the reference
is released using tpm_chip_put().
Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxxxxxxx>
You should sort this out in a way that we don't end up with duplicate
functions.
We cannot hold the ops_sem semaphore for a long time. So we need a
function that gets us a reference and doesn't hold the ops semaphore and
that's where this tpm_chip_find() comes from.
Stefan
/Jarkko