From 33ba80303e93869c439828dd289fb8ef64ed3bfc Mon Sep 17 00:00:00 2001 From: Etienne Carriere Date: Wed, 7 Dec 2022 16:25:33 +0100 Subject: [PATCH] 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 Reviewed-by: Ilias Apalodimas Signed-off-by: Ilias Apalodimas --- 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);