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-rw-r--r--Documentation/power/runtime_pm.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/power/runtime_pm.rst b/Documentation/power/runtime_pm.rst
index ab8406c84254..0553008b6279 100644
--- a/Documentation/power/runtime_pm.rst
+++ b/Documentation/power/runtime_pm.rst
@@ -382,6 +382,12 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
nonzero, increment the counter and return 1; otherwise return 0 without
changing the counter
+ `int pm_runtime_get_if_active(struct device *dev, bool ign_usage_count);`
+ - return -EINVAL if 'power.disable_depth' is nonzero; otherwise, if the
+ runtime PM status is RPM_ACTIVE, and either ign_usage_count is true
+ or the device's usage_count is non-zero, increment the counter and
+ return 1; otherwise return 0 without changing the counter
+
`void pm_runtime_put_noidle(struct device *dev);`
- decrement the device's usage counter