diff options
Diffstat (limited to 'kernel/cpu_pm.c')
| -rw-r--r-- | kernel/cpu_pm.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c index 009cc9a17d95..6c3523f83776 100644 --- a/kernel/cpu_pm.c +++ b/kernel/cpu_pm.c @@ -25,11 +25,12 @@ static DEFINE_RWLOCK(cpu_pm_notifier_lock); static RAW_NOTIFIER_HEAD(cpu_pm_notifier_chain); -static int cpu_pm_notify(enum cpu_pm_event event, int nr_to_call, int *nr_calls) +static int cpu_pm_notify(enum cpu_pm_event event, int nr_to_call, int *nr_calls, + void *data) { int ret; - ret = __raw_notifier_call_chain(&cpu_pm_notifier_chain, event, NULL, + ret = __raw_notifier_call_chain(&cpu_pm_notifier_chain, event, data, nr_to_call, nr_calls); return notifier_to_errno(ret); @@ -101,13 +102,13 @@ int cpu_pm_enter(void) int ret = 0; read_lock(&cpu_pm_notifier_lock); - ret = cpu_pm_notify(CPU_PM_ENTER, -1, &nr_calls); + ret = cpu_pm_notify(CPU_PM_ENTER, -1, &nr_calls, NULL); if (ret) /* * Inform listeners (nr_calls - 1) about failure of CPU PM * PM entry who are notified earlier to prepare for it. */ - cpu_pm_notify(CPU_PM_ENTER_FAILED, nr_calls - 1, NULL); + cpu_pm_notify(CPU_PM_ENTER_FAILED, nr_calls - 1, NULL, NULL); read_unlock(&cpu_pm_notifier_lock); return ret; @@ -131,7 +132,7 @@ int cpu_pm_exit(void) int ret; read_lock(&cpu_pm_notifier_lock); - ret = cpu_pm_notify(CPU_PM_EXIT, -1, NULL); + ret = cpu_pm_notify(CPU_PM_EXIT, -1, NULL, NULL); read_unlock(&cpu_pm_notifier_lock); return ret; @@ -154,19 +155,21 @@ EXPORT_SYMBOL_GPL(cpu_pm_exit); * * Return conditions are same as __raw_notifier_call_chain. */ -int cpu_cluster_pm_enter(void) +int cpu_cluster_pm_enter(unsigned long aff_level) { int nr_calls; int ret = 0; read_lock(&cpu_pm_notifier_lock); - ret = cpu_pm_notify(CPU_CLUSTER_PM_ENTER, -1, &nr_calls); + ret = cpu_pm_notify(CPU_CLUSTER_PM_ENTER, -1, &nr_calls, + (void *) aff_level); if (ret) /* * Inform listeners (nr_calls - 1) about failure of CPU cluster * PM entry who are notified earlier to prepare for it. */ - cpu_pm_notify(CPU_CLUSTER_PM_ENTER_FAILED, nr_calls - 1, NULL); + cpu_pm_notify(CPU_CLUSTER_PM_ENTER_FAILED, nr_calls - 1, NULL, + (void *) aff_level); read_unlock(&cpu_pm_notifier_lock); return ret; @@ -188,12 +191,12 @@ EXPORT_SYMBOL_GPL(cpu_cluster_pm_enter); * * Return conditions are same as __raw_notifier_call_chain. */ -int cpu_cluster_pm_exit(void) +int cpu_cluster_pm_exit(unsigned long aff_level) { int ret; read_lock(&cpu_pm_notifier_lock); - ret = cpu_pm_notify(CPU_CLUSTER_PM_EXIT, -1, NULL); + ret = cpu_pm_notify(CPU_CLUSTER_PM_EXIT, -1, NULL, (void *) aff_level); read_unlock(&cpu_pm_notifier_lock); return ret; @@ -209,13 +212,13 @@ static int cpu_pm_suspend(void) if (ret) return ret; - ret = cpu_cluster_pm_enter(); + ret = cpu_cluster_pm_enter(0); return ret; } static void cpu_pm_resume(void) { - cpu_cluster_pm_exit(); + cpu_cluster_pm_exit(0); cpu_pm_exit(); } |