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| author | Marc Zyngier <maz@kernel.org> | 2019-10-24 17:04:09 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2019-10-24 17:04:09 +0300 |
| commit | a4b28f5c67983d92c911ca1404728bc4ea958c0e (patch) | |
| tree | 9e33ce5332ee983a7424fe6146f91f2f4f551a15 /drivers/firmware/psci/psci.c | |
| parent | da345174ceca052469e4775e4ae263b5f27a9355 (diff) | |
| parent | c7892db5dd6afe921ead502aff7440a1e450d947 (diff) | |
| download | linux-a4b28f5c67983d92c911ca1404728bc4ea958c0e.tar.xz | |
Merge remote-tracking branch 'kvmarm/kvm-arm64/stolen-time' into kvmarm-master/next
Diffstat (limited to 'drivers/firmware/psci/psci.c')
| -rw-r--r-- | drivers/firmware/psci/psci.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index 84f4ff351c62..b3b6c15e7b36 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -53,10 +53,18 @@ bool psci_tos_resident_on(int cpu) } struct psci_operations psci_ops = { - .conduit = PSCI_CONDUIT_NONE, + .conduit = SMCCC_CONDUIT_NONE, .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; + + return psci_ops.conduit; +} + typedef unsigned long (psci_fn)(unsigned long, unsigned long, unsigned long, unsigned long); static psci_fn *invoke_psci_fn; @@ -212,13 +220,13 @@ static unsigned long psci_migrate_info_up_cpu(void) 0, 0, 0); } -static void set_conduit(enum psci_conduit conduit) +static void set_conduit(enum arm_smccc_conduit conduit) { switch (conduit) { - case PSCI_CONDUIT_HVC: + case SMCCC_CONDUIT_HVC: invoke_psci_fn = __invoke_psci_fn_hvc; break; - case PSCI_CONDUIT_SMC: + case SMCCC_CONDUIT_SMC: invoke_psci_fn = __invoke_psci_fn_smc; break; default: @@ -240,9 +248,9 @@ static int get_set_conduit_method(struct device_node *np) } if (!strcmp("hvc", method)) { - set_conduit(PSCI_CONDUIT_HVC); + set_conduit(SMCCC_CONDUIT_HVC); } else if (!strcmp("smc", method)) { - set_conduit(PSCI_CONDUIT_SMC); + set_conduit(SMCCC_CONDUIT_SMC); } else { pr_warn("invalid \"method\" property: %s\n", method); return -EINVAL; @@ -583,9 +591,9 @@ int __init psci_acpi_init(void) pr_info("probing for conduit method from ACPI.\n"); if (acpi_psci_use_hvc()) - set_conduit(PSCI_CONDUIT_HVC); + set_conduit(SMCCC_CONDUIT_HVC); else - set_conduit(PSCI_CONDUIT_SMC); + set_conduit(SMCCC_CONDUIT_SMC); return psci_probe(); } |