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Diffstat (limited to 'Documentation/power/runtime_pm.rst')
| -rw-r--r-- | Documentation/power/runtime_pm.rst | 6 |
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 |