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+What: /sys/devices/system/cpu/cpuidle/current_governor_ro
+Date: April, 2020
+Contact: linux-pm@vger.kernel.org
+Description:
+ current_governor_ro shows current using cpuidle governor, but read only.
+ with the update that cpuidle governor can be changed at runtime in default,
+ both current_governor and current_governor_ro co-exist under
+ /sys/devices/system/cpu/cpuidle/ file, it's duplicate so make
+ current_governor_ro obselete.