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-rw-r--r--Documentation/power/runtime_pm.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 0fde3dcf077a..625549d4c74a 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -435,7 +435,8 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
PM status to 'suspended' and update its parent's counter of 'active'
children as appropriate (it is only valid to use this function if
'power.runtime_error' is set or 'power.disable_depth' is greater than
- zero)
+ zero); it will fail and return an error code if the device has a child
+ which is active and the 'power.ignore_children' flag is unset
bool pm_runtime_active(struct device *dev);
- return true if the device's runtime PM status is 'active' or its