diff options
Diffstat (limited to 'drivers/cpuidle/cpuidle.c')
| -rw-r--r-- | drivers/cpuidle/cpuidle.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 4540672a2e1..e81cfda295a 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -171,7 +171,11 @@ int cpuidle_idle_call(void) trace_power_start_rcuidle(POWER_CSTATE, next_state, dev->cpu); trace_cpu_idle_rcuidle(next_state, dev->cpu); - entered_state = cpuidle_enter_state(dev, drv, next_state); + if (cpuidle_state_is_coupled(dev, drv, next_state)) + entered_state = cpuidle_enter_state_coupled(dev, drv, + next_state); + else + entered_state = cpuidle_enter_state(dev, drv, next_state); trace_power_end_rcuidle(dev->cpu); trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, dev->cpu); @@ -407,9 +411,16 @@ static int __cpuidle_register_device(struct cpuidle_device *dev) if (ret) goto err_sysfs; + ret = cpuidle_coupled_register_device(dev); + if (ret) + goto err_coupled; + dev->registered = 1; return 0; +err_coupled: + cpuidle_remove_sysfs(cpu_dev); + wait_for_completion(&dev->kobj_unregister); err_sysfs: list_del(&dev->device_list); per_cpu(cpuidle_devices, dev->cpu) = NULL; @@ -464,6 +475,8 @@ void cpuidle_unregister_device(struct cpuidle_device *dev) wait_for_completion(&dev->kobj_unregister); per_cpu(cpuidle_devices, dev->cpu) = NULL; + cpuidle_coupled_unregister_device(dev); + cpuidle_resume_and_unlock(); module_put(cpuidle_driver->owner); |