diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firmware/psci.c | 5 | ||||
| -rw-r--r-- | drivers/rng/smccc_trng.c | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c index c6b9efab41c..03544d76ed4 100644 --- a/drivers/firmware/psci.c +++ b/drivers/firmware/psci.c @@ -135,10 +135,13 @@ static int bind_smccc_features(struct udevice *dev, int psci_method) PSCI_VERSION_MAJOR(psci_0_2_get_version()) == 0) return 0; - if (request_psci_features(ARM_SMCCC_ARCH_FEATURES) == + if (request_psci_features(ARM_SMCCC_VERSION) == PSCI_RET_NOT_SUPPORTED) return 0; + if (invoke_psci_fn(ARM_SMCCC_VERSION, 0, 0, 0) < ARM_SMCCC_VERSION_1_1) + return 0; + if (psci_method == PSCI_METHOD_HVC) pdata->invoke_fn = smccc_invoke_hvc; else diff --git a/drivers/rng/smccc_trng.c b/drivers/rng/smccc_trng.c index 5bb7ebe8a49..f59b80666b3 100644 --- a/drivers/rng/smccc_trng.c +++ b/drivers/rng/smccc_trng.c @@ -165,7 +165,7 @@ static int smccc_trng_probe(struct udevice *dev) struct smccc_trng_priv *priv = dev_get_priv(dev); struct arm_smccc_res res; - if (!(smccc_trng_is_supported(smccc->invoke_fn))) + if (!smccc || !(smccc_trng_is_supported(smccc->invoke_fn))) return -ENODEV; /* At least one of 64bit and 32bit interfaces is available */ |