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-rw-r--r--Documentation/ABI/testing/sysfs-class-devfreq12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-devfreq b/Documentation/ABI/testing/sysfs-class-devfreq
index 5e6b74f30406..df8ba88b9f6a 100644
--- a/Documentation/ABI/testing/sysfs-class-devfreq
+++ b/Documentation/ABI/testing/sysfs-class-devfreq
@@ -52,6 +52,9 @@ Description:
echo 0 > /sys/class/devfreq/.../trans_stat
+ If the transition table is bigger than PAGE_SIZE, reading
+ this will return an -EFBIG error.
+
What: /sys/class/devfreq/.../available_frequencies
Date: October 2012
Contact: Nishanth Menon <nm@ti.com>
@@ -129,3 +132,12 @@ Description:
A list of governors that support the node:
- simple_ondemand
+
+What: /sys/class/devfreq/.../related_cpus
+Date: June 2025
+Contact: Linux power management list <linux-pm@vger.kernel.org>
+Description: The list of CPUs whose performance is closely related to the
+ frequency of this devfreq domain.
+
+ This file is only present if a specific devfreq device is
+ closely associated with a subset of CPUs.