diff options
Diffstat (limited to 'drivers/tee/sandbox.c')
| -rw-r--r-- | drivers/tee/sandbox.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/tee/sandbox.c b/drivers/tee/sandbox.c index 35e8542fa37..86219a9bb1a 100644 --- a/drivers/tee/sandbox.c +++ b/drivers/tee/sandbox.c @@ -119,6 +119,7 @@ static u32 pta_scp03_invoke_func(struct udevice *dev, u32 func, uint num_params, { u32 res; static bool enabled; + static bool provisioned; switch (func) { case PTA_CMD_ENABLE_SCP03: @@ -130,12 +131,18 @@ static u32 pta_scp03_invoke_func(struct udevice *dev, u32 func, uint num_params, if (res) return res; - if (!enabled) { + /* If SCP03 was not enabled, enable it */ + if (!enabled) enabled = true; - } else { - } - if (params[0].u.value.a) + /* If SCP03 was not provisioned, provision new keys */ + if (params[0].u.value.a && !provisioned) + provisioned = true; + + /* + * Either way, we asume both operations succeeded and that + * the communication channel has now been stablished + */ return TEE_SUCCESS; default: |