Tegra186: sanity check power state type
This patch sanity checks the power state type before use,
from the platform's PSCI handler.
Verified with TFTF Standard Test Suite.
Change-Id: Icd45faac6c023d4ce7f3597b698d01b91a218124
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
index 6f58427..af4182e 100644
--- a/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
+++ b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
@@ -72,6 +72,11 @@
case PSTATE_ID_CORE_IDLE:
case PSTATE_ID_CORE_POWERDN:
+ if (psci_get_pstate_type(power_state) != PSTATE_TYPE_POWERDOWN) {
+ ret = PSCI_E_INVALID_PARAMS;
+ break;
+ }
+
/* Core powerdown request */
req_state->pwr_domain_state[MPIDR_AFFLVL0] = state_id;
req_state->pwr_domain_state[MPIDR_AFFLVL1] = state_id;