diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/admin-guide/pm/cpufreq.rst | 8 | ||||
-rw-r--r-- | Documentation/power/runtime_pm.txt | 3 |
2 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/admin-guide/pm/cpufreq.rst b/Documentation/admin-guide/pm/cpufreq.rst index 463cf7e73db8..7af83a92d2d6 100644 --- a/Documentation/admin-guide/pm/cpufreq.rst +++ b/Documentation/admin-guide/pm/cpufreq.rst @@ -237,6 +237,14 @@ are the following: This attribute is not present if the scaling driver in use does not support it. +``cpuinfo_cur_freq`` + Current frequency of the CPUs belonging to this policy as obtained from + the hardware (in KHz). + + This is expected to be the frequency the hardware actually runs at. + If that frequency cannot be determined, this attribute should not + be present. + ``cpuinfo_max_freq`` Maximum possible operating frequency the CPUs belonging to this policy can run at (in kHz). 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 |