drivers/idle/Kconfig

   1 config INTEL_IDLE
   2         bool "Cpuidle Driver for Intel Processors"
   3         depends on CPU_IDLE
   4         depends on X86
   5         depends on CPU_SUP_INTEL
   6         help
   7           Enable intel_idle, a cpuidle driver that includes knowledge of
   8           native Intel hardware idle features.  The acpi_idle driver
   9           can be configured at the same time, in order to handle
  10           processors intel_idle does not support.