[PATCH] tpm2: ftpm: open session with privileged ree login

[Etienne Carriere]

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 at linaro.org>
---
 drivers/tpm/tpm2_ftpm_tee.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tpm/tpm2_ftpm_tee.c b/drivers/tpm/tpm2_ftpm_tee.c
index 53e59f42b4..3c4c12983d 100644
--- a/drivers/tpm/tpm2_ftpm_tee.c
+++ b/drivers/tpm/tpm2_ftpm_tee.c
@@ -186,6 +186,7 @@ static int ftpm_tee_probe(struct udevice *dev)
 
 	/* 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);
-- 
2.25.1