diff options
| -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 fae958794339..ea28b73ef3fb 100644 --- a/drivers/cpuidle/cpuidle-psci-domain.c +++ b/drivers/cpuidle/cpuidle-psci-domain.c @@ -67,12 +67,16 @@ static int psci_pd_init(struct device_node *np, bool use_osi) /* * Allow power off when OSI has been successfully enabled. - * PREEMPT_RT is not yet ready to enter domain idle states. + * On a PREEMPT_RT based configuration the domain idle states are + * supported, but only during system-wide suspend. */ - if (use_osi && !IS_ENABLED(CONFIG_PREEMPT_RT)) + if (use_osi) { pd->power_off = psci_pd_power_off; - else + if (IS_ENABLED(CONFIG_PREEMPT_RT)) + pd->flags |= GENPD_FLAG_RPM_ALWAYS_ON; + } else { pd->flags |= GENPD_FLAG_ALWAYS_ON; + } /* Use governor for CPU PM domains if it has some states to manage. */ pd_gov = pd->states ? &pm_domain_cpu_gov : NULL; |