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authorTakashi Iwai <tiwai@suse.de>2012-09-05 07:17:31 (GMT)
committerTakashi Iwai <tiwai@suse.de>2012-09-05 07:17:31 (GMT)
commit14e42917216ab0859827c2d8024df45a917301b4 (patch)
treeefbea5d1c54387d62a6fd66a21560232cf312fda /drivers/base/power/runtime.c
parent292f2b6254c9dbb98def6d3521b07a837545ead0 (diff)
parent4266274836e81575ee82498d84f4bd08ab7a7378 (diff)
downloadlinux-fsl-qoriq-14e42917216ab0859827c2d8024df45a917301b4.tar.xz
Merge branch 'fixes' of git://git.alsa-project.org/alsa-kernel into for-next
Diffstat (limited to 'drivers/base/power/runtime.c')
-rw-r--r--drivers/base/power/runtime.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 5989487..7d9c1cb 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -147,6 +147,8 @@ static int rpm_check_suspend_allowed(struct device *dev)
|| (dev->power.request_pending
&& dev->power.request == RPM_REQ_RESUME))
retval = -EAGAIN;
+ else if (__dev_pm_qos_read_value(dev) < 0)
+ retval = -EPERM;
else if (dev->power.runtime_status == RPM_SUSPENDED)
retval = 1;
@@ -388,7 +390,6 @@ static int rpm_suspend(struct device *dev, int rpmflags)
goto repeat;
}
- dev->power.deferred_resume = false;
if (dev->power.no_callbacks)
goto no_callback; /* Assume success. */
@@ -403,12 +404,6 @@ static int rpm_suspend(struct device *dev, int rpmflags)
goto out;
}
- if (__dev_pm_qos_read_value(dev) < 0) {
- /* Negative PM QoS constraint means "never suspend". */
- retval = -EPERM;
- goto out;
- }
-
__update_runtime_status(dev, RPM_SUSPENDING);
if (dev->pm_domain)
@@ -440,6 +435,7 @@ static int rpm_suspend(struct device *dev, int rpmflags)
wake_up_all(&dev->power.wait_queue);
if (dev->power.deferred_resume) {
+ dev->power.deferred_resume = false;
rpm_resume(dev, 0);
retval = -EAGAIN;
goto out;
@@ -584,6 +580,7 @@ static int rpm_resume(struct device *dev, int rpmflags)
|| dev->parent->power.runtime_status == RPM_ACTIVE) {
atomic_inc(&dev->parent->power.child_count);
spin_unlock(&dev->parent->power.lock);
+ retval = 1;
goto no_callback; /* Assume success. */
}
spin_unlock(&dev->parent->power.lock);
@@ -664,7 +661,7 @@ static int rpm_resume(struct device *dev, int rpmflags)
}
wake_up_all(&dev->power.wait_queue);
- if (!retval)
+ if (retval >= 0)
rpm_idle(dev, RPM_ASYNC);
out: