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