linux/drivers/cpuidle/Kconfig
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   1
   2menuconfig CPU_IDLE
   3        bool "CPU idle PM support"
   4        default y if ACPI || PPC_PSERIES
   5        select CPU_IDLE_GOV_LADDER if (!NO_HZ && !NO_HZ_IDLE)
   6        select CPU_IDLE_GOV_MENU if (NO_HZ || NO_HZ_IDLE)
   7        help
   8          CPU idle is a generic framework for supporting software-controlled
   9          idle processor power management.  It includes modular cross-platform
  10          governors that can be swapped during runtime.
  11
  12          If you're using an ACPI-enabled platform, you should say Y here.
  13
  14if CPU_IDLE
  15
  16config CPU_IDLE_MULTIPLE_DRIVERS
  17        bool "Support multiple cpuidle drivers"
  18        default n
  19        help
  20         Allows the cpuidle framework to use different drivers for each CPU.
  21         This is useful if you have a system with different CPU latencies and
  22         states. If unsure say N.
  23
  24config CPU_IDLE_GOV_LADDER
  25        bool "Ladder governor (for periodic timer tick)"
  26        default y
  27
  28config CPU_IDLE_GOV_MENU
  29        bool "Menu governor (for tickless system)"
  30        default y
  31
  32config CPU_IDLE_CALXEDA
  33        bool "CPU Idle Driver for Calxeda processors"
  34        depends on ARCH_HIGHBANK
  35        select ARM_CPU_SUSPEND
  36        help
  37          Select this to enable cpuidle on Calxeda processors.
  38
  39config CPU_IDLE_ZYNQ
  40        bool "CPU Idle Driver for Xilinx Zynq processors"
  41        depends on ARCH_ZYNQ
  42        help
  43          Select this to enable cpuidle on Xilinx Zynq processors.
  44
  45endif
  46
  47config ARCH_NEEDS_CPU_IDLE_COUPLED
  48        def_bool n
  49
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