Documentation: ABI: testing: document the new cpuidle sysfs file

Mention the new 'intel_c1_demotion' sysfs file in the "cpuidle" section
and refer to "Documentation/admin-guide/pm/intel_idle.rst" for more
information.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Link: https://patch.msgid.link/20250317135541.1471754-4-dedekind1@gmail.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 206079d3bd5b127b0ccddfd4be50c978563a0b46..6c4934d3f4db3e704353a1f39000eb10377f623d 100644 (file)
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -111,6 +111,7 @@ What:               /sys/devices/system/cpu/cpuidle/available_governors
                /sys/devices/system/cpu/cpuidle/current_driver
                /sys/devices/system/cpu/cpuidle/current_governor
                /sys/devices/system/cpu/cpuidle/current_governer_ro
+               /sys/devices/system/cpu/cpuidle/intel_c1_demotion
 Date:          September 2007
 Contact:       Linux kernel mailing list <linux-kernel@vger.kernel.org>
 Description:   Discover cpuidle policy and mechanism
@@ -132,7 +133,11 @@ Description:       Discover cpuidle policy and mechanism
 
                current_governor_ro: (RO) displays current idle policy.
 
-               See Documentation/admin-guide/pm/cpuidle.rst and
+               intel_c1_demotion: (RW) enables/disables the C1 demotion
+               feature on Intel CPUs.
+
+               See Documentation/admin-guide/pm/cpuidle.rst,
+               Documentation/admin-guide/pm/intel_idle.rst, and
                Documentation/driver-api/pm/cpuidle.rst for more information.