diff options
| -rw-r--r-- | drivers/base/power/runtime.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index b74690418504..e7ee8293055b 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -1045,10 +1045,14 @@ 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) { + dev_err(dev, "runtime PM trying to activate child device %s but parent (%s) is not active\n", + dev_name(dev), + dev_name(parent)); error = -EBUSY; - else if (dev->power.runtime_status == RPM_SUSPENDED) + } else if (dev->power.runtime_status == RPM_SUSPENDED) { atomic_inc(&parent->power.child_count); + } spin_unlock(&parent->power.lock); |