diff options
Diffstat (limited to 'kernel/power/suspend.c')
| -rw-r--r-- | kernel/power/suspend.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 6333078a438b..ae9b579c2533 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -57,10 +57,10 @@ EXPORT_SYMBOL_GPL(pm_suspend_global_flags); static const struct platform_suspend_ops *suspend_ops; static const struct platform_freeze_ops *freeze_ops; -static DECLARE_WAIT_QUEUE_HEAD(suspend_freeze_wait_head); +static DECLARE_WAIT_QUEUE_HEAD(s2idle_wait_head); -enum freeze_state __read_mostly suspend_freeze_state; -static DEFINE_SPINLOCK(suspend_freeze_lock); +enum s2idle_states __read_mostly s2idle_state; +static DEFINE_SPINLOCK(s2idle_lock); void freeze_set_ops(const struct platform_freeze_ops *ops) { @@ -69,21 +69,21 @@ void freeze_set_ops(const struct platform_freeze_ops *ops) unlock_system_sleep(); } -static void freeze_begin(void) +static void s2idle_begin(void) { - suspend_freeze_state = FREEZE_STATE_NONE; + s2idle_state = S2IDLE_STATE_NONE; } -static void freeze_enter(void) +static void s2idle_enter(void) { trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_TO_IDLE, true); - spin_lock_irq(&suspend_freeze_lock); + spin_lock_irq(&s2idle_lock); if (pm_wakeup_pending()) goto out; - suspend_freeze_state = FREEZE_STATE_ENTER; - spin_unlock_irq(&suspend_freeze_lock); + s2idle_state = S2IDLE_STATE_ENTER; + spin_unlock_irq(&s2idle_lock); get_online_cpus(); cpuidle_resume(); @@ -91,17 +91,17 @@ static void freeze_enter(void) /* Push all the CPUs into the idle loop. */ wake_up_all_idle_cpus(); /* Make the current CPU wait so it can enter the idle loop too. */ - wait_event(suspend_freeze_wait_head, - suspend_freeze_state == FREEZE_STATE_WAKE); + wait_event(s2idle_wait_head, + s2idle_state == S2IDLE_STATE_WAKE); cpuidle_pause(); put_online_cpus(); - spin_lock_irq(&suspend_freeze_lock); + spin_lock_irq(&s2idle_lock); out: - suspend_freeze_state = FREEZE_STATE_NONE; - spin_unlock_irq(&suspend_freeze_lock); + s2idle_state = S2IDLE_STATE_NONE; + spin_unlock_irq(&s2idle_lock); trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_TO_IDLE, false); } @@ -118,12 +118,12 @@ static void s2idle_loop(void) /* * Suspend-to-idle equals * frozen processes + suspended devices + idle processors. - * Thus freeze_enter() should be called right after + * Thus s2idle_enter() should be called right after * all devices have been suspended. */ error = dpm_noirq_suspend_devices(PMSG_SUSPEND); if (!error) - freeze_enter(); + s2idle_enter(); dpm_noirq_resume_devices(PMSG_RESUME); if (error && (error != -EBUSY || !pm_wakeup_pending())) { @@ -148,18 +148,18 @@ static void s2idle_loop(void) pm_pr_dbg("resume from suspend-to-idle\n"); } -void freeze_wake(void) +void s2idle_wake(void) { unsigned long flags; - spin_lock_irqsave(&suspend_freeze_lock, flags); - if (suspend_freeze_state > FREEZE_STATE_NONE) { - suspend_freeze_state = FREEZE_STATE_WAKE; - wake_up(&suspend_freeze_wait_head); + spin_lock_irqsave(&s2idle_lock, flags); + if (s2idle_state > S2IDLE_STATE_NONE) { + s2idle_state = S2IDLE_STATE_WAKE; + wake_up(&s2idle_wait_head); } - spin_unlock_irqrestore(&suspend_freeze_lock, flags); + spin_unlock_irqrestore(&s2idle_lock, flags); } -EXPORT_SYMBOL_GPL(freeze_wake); +EXPORT_SYMBOL_GPL(s2idle_wake); static bool valid_state(suspend_state_t state) { @@ -552,7 +552,7 @@ static int enter_state(suspend_state_t state) return -EBUSY; if (state == PM_SUSPEND_TO_IDLE) - freeze_begin(); + s2idle_begin(); #ifndef CONFIG_SUSPEND_SKIP_SYNC trace_suspend_resume(TPS("sync_filesystems"), 0, true); |