CPU Idle Driver for Xilinx Zynq processors

modulename: cpuidle-zynq.ko

configname: CONFIG_ARM_ZYNQ_CPUIDLE

Linux Kernel Configuration
└─>Power management and ACPI options
└─>CPU Idle
└─>ARM CPU Idle Drivers
└─>CPU Idle Driver for Xilinx Zynq processors
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Select this to enable cpuidle on Xilinx Zynq processors.

source code: