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Merge commit 'origin/master' into next

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Conflicts:
	include/linux/kvm.h
This commit is contained in:
Benjamin Herrenschmidt
2009-12-09 17:14:38 +11:00
parent 11c34c7dea 3ff6a468b4
commit bcd6acd51f
3651 changed files with 249180 additions and 115589 deletions
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33
drivers/base/power/runtime.c
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@@ -185,6 +185,7 @@ int __pm_runtime_suspend(struct device *dev, bool from_wq)
}
dev->power.runtime_status = RPM_SUSPENDING;
dev->power.deferred_resume = false;
if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_suspend) {
spin_unlock_irq(&dev->power.lock);
@@ -200,7 +201,6 @@ int __pm_runtime_suspend(struct device *dev, bool from_wq)
if (retval) {
dev->power.runtime_status = RPM_ACTIVE;
pm_runtime_cancel_pending(dev);
dev->power.deferred_resume = false;
if (retval == -EAGAIN || retval == -EBUSY) {
notify = true;
@@ -217,7 +217,6 @@ int __pm_runtime_suspend(struct device *dev, bool from_wq)
wake_up_all(&dev->power.wait_queue);
if (dev->power.deferred_resume) {
dev->power.deferred_resume = false;
__pm_runtime_resume(dev, false);
retval = -EAGAIN;
goto out;
@@ -328,11 +327,11 @@ int __pm_runtime_resume(struct device *dev, bool from_wq)
* necessary.
*/
parent = dev->parent;
spin_unlock_irq(&dev->power.lock);
spin_unlock(&dev->power.lock);
pm_runtime_get_noresume(parent);
spin_lock_irq(&parent->power.lock);
spin_lock(&parent->power.lock);
/*
* We can resume if the parent's run-time PM is disabled or it
* is set to ignore children.
@@ -343,9 +342,9 @@ int __pm_runtime_resume(struct device *dev, bool from_wq)
if (parent->power.runtime_status != RPM_ACTIVE)
retval = -EBUSY;
}
spin_unlock_irq(&parent->power.lock);
spin_unlock(&parent->power.lock);
spin_lock_irq(&dev->power.lock);
spin_lock(&dev->power.lock);
if (retval)
goto out;
goto repeat;
@@ -626,6 +625,8 @@ int pm_schedule_suspend(struct device *dev, unsigned int delay)
goto out;
dev->power.timer_expires = jiffies + msecs_to_jiffies(delay);
if (!dev->power.timer_expires)
dev->power.timer_expires = 1;
mod_timer(&dev->power.suspend_timer, dev->power.timer_expires);
out:
@@ -659,13 +660,17 @@ static int __pm_request_resume(struct device *dev)
pm_runtime_deactivate_timer(dev);
if (dev->power.runtime_status == RPM_SUSPENDING) {
dev->power.deferred_resume = true;
return retval;
}
if (dev->power.request_pending) {
/* If non-resume request is pending, we can overtake it. */
dev->power.request = retval ? RPM_REQ_NONE : RPM_REQ_RESUME;
return retval;
} else if (retval) {
return retval;
}
if (retval)
return retval;
dev->power.request = RPM_REQ_RESUME;
dev->power.request_pending = true;
@@ -777,7 +782,7 @@ int __pm_runtime_set_status(struct device *dev, unsigned int status)
}
if (parent) {
spin_lock_irq(&parent->power.lock);
spin_lock_nested(&parent->power.lock, SINGLE_DEPTH_NESTING);
/*
* It is invalid to put an active child under a parent that is
@@ -786,14 +791,12 @@ int __pm_runtime_set_status(struct device *dev, unsigned int status)
*/
if (!parent->power.disable_depth
&& !parent->power.ignore_children
&& parent->power.runtime_status != RPM_ACTIVE) {
&& parent->power.runtime_status != RPM_ACTIVE)
error = -EBUSY;
} else {
if (dev->power.runtime_status == RPM_SUSPENDED)
atomic_inc(&parent->power.child_count);
}
else if (dev->power.runtime_status == RPM_SUSPENDED)
atomic_inc(&parent->power.child_count);
spin_unlock_irq(&parent->power.lock);
spin_unlock(&parent->power.lock);
if (error)
goto out;