tpm2: ftpm: open session with privileged ree login
Opens the fTPM session with TEE_LOGIN_REE_KERNEL as fTPM may restrict
access to that login when Linux based OS is running as applications are
expected to got through the Linux TPMv2 driver.
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/drivers/tpm/tpm2_ftpm_tee.c b/drivers/tpm/tpm2_ftpm_tee.c
index 53e59f4..3c4c129 100644
--- a/drivers/tpm/tpm2_ftpm_tee.c
+++ b/drivers/tpm/tpm2_ftpm_tee.c
@@ -186,6 +186,7 @@
/* Open a session with the fTPM TA */
memset(&sess_arg, 0, sizeof(sess_arg));
+ sess_arg.clnt_login = TEE_LOGIN_REE_KERNEL;
tee_optee_ta_uuid_to_octets(sess_arg.uuid, &uuid);
rc = tee_open_session(context->tee_dev, &sess_arg, 0, NULL);