diff options
Diffstat (limited to 'drivers/firmware/psci/psci.c')
| -rw-r--r-- | drivers/firmware/psci/psci.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index 84f4ff351c62..eb797081d159 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -57,6 +57,21 @@ struct psci_operations psci_ops = { .smccc_version = SMCCC_VERSION_1_0, }; +enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void) +{ + if (psci_ops.smccc_version < SMCCC_VERSION_1_1) + return SMCCC_CONDUIT_NONE; + + switch (psci_ops.conduit) { + case PSCI_CONDUIT_SMC: + return SMCCC_CONDUIT_SMC; + case PSCI_CONDUIT_HVC: + return SMCCC_CONDUIT_HVC; + default: + return SMCCC_CONDUIT_NONE; + } +} + typedef unsigned long (psci_fn)(unsigned long, unsigned long, unsigned long, unsigned long); static psci_fn *invoke_psci_fn; |