diff options
| -rw-r--r-- | arch/powerpc/platforms/pseries/processor_idle.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/pseries/processor_idle.c b/arch/powerpc/platforms/pseries/processor_idle.c index 7f5668b94165..455760b1fe6e 100644 --- a/arch/powerpc/platforms/pseries/processor_idle.c +++ b/arch/powerpc/platforms/pseries/processor_idle.c @@ -197,13 +197,25 @@ static int pseries_cpuidle_add_cpu_notifier(struct notifier_block *n, struct cpuidle_device *dev = per_cpu_ptr(pseries_cpuidle_devices, hotcpu); - switch (action & 0xf) { - case CPU_ONLINE: - if (dev && cpuidle_get_driver()) { - cpuidle_disable_device(dev); + if (dev && cpuidle_get_driver()) { + switch (action) { + case CPU_ONLINE: + case CPU_ONLINE_FROZEN: + cpuidle_pause_and_lock(); cpuidle_enable_device(dev); + cpuidle_resume_and_unlock(); + break; + + case CPU_DEAD: + case CPU_DEAD_FROZEN: + cpuidle_pause_and_lock(); + cpuidle_disable_device(dev); + cpuidle_resume_and_unlock(); + break; + + default: + return NOTIFY_DONE; } - break; } return NOTIFY_OK; } @@ -345,6 +357,7 @@ static int __init pseries_processor_idle_init(void) static void __exit pseries_processor_idle_exit(void) { + unregister_cpu_notifier(&setup_hotplug_notifier); pseries_idle_devices_uninit(); cpuidle_unregister_driver(&pseries_idle_driver); |
