diff options
Diffstat (limited to 'drivers/cpuidle/cpuidle-psci-domain.c')
| -rw-r--r-- | drivers/cpuidle/cpuidle-psci-domain.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/cpuidle/cpuidle-psci-domain.c b/drivers/cpuidle/cpuidle-psci-domain.c index 821984947ed9..6ad2954948a5 100644 --- a/drivers/cpuidle/cpuidle-psci-domain.c +++ b/drivers/cpuidle/cpuidle-psci-domain.c @@ -64,8 +64,11 @@ static int psci_pd_init(struct device_node *np, bool use_osi) pd->flags |= GENPD_FLAG_IRQ_SAFE | GENPD_FLAG_CPU_DOMAIN; - /* Allow power off when OSI has been successfully enabled. */ - if (use_osi) + /* + * Allow power off when OSI has been successfully enabled. + * PREEMPT_RT is not yet ready to enter domain idle states. + */ + if (use_osi && !IS_ENABLED(CONFIG_PREEMPT_RT)) pd->power_off = psci_pd_power_off; else pd->flags |= GENPD_FLAG_ALWAYS_ON; @@ -181,7 +184,8 @@ static int psci_cpuidle_domain_probe(struct platform_device *pdev) if (ret) goto remove_pd; - pr_info("Initialized CPU PM domain topology\n"); + pr_info("Initialized CPU PM domain topology using %s mode\n", + use_osi ? "OSI" : "PC"); return 0; put_node: |