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kernel/linux-rt-4.4.41/drivers/cpuidle/Kconfig 1.05 KB
5113f6f70   김현기   kernel add
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  menu "CPU Idle"
  
  config CPU_IDLE
  	bool "CPU idle PM support"
  	default y if ACPI || PPC_PSERIES
  	select CPU_IDLE_GOV_LADDER if (!NO_HZ && !NO_HZ_IDLE)
  	select CPU_IDLE_GOV_MENU if (NO_HZ || NO_HZ_IDLE)
  	help
  	  CPU idle is a generic framework for supporting software-controlled
  	  idle processor power management.  It includes modular cross-platform
  	  governors that can be swapped during runtime.
  
  	  If you're using an ACPI-enabled platform, you should say Y here.
  
  if CPU_IDLE
  
  config CPU_IDLE_MULTIPLE_DRIVERS
          bool
  
  config CPU_IDLE_GOV_LADDER
  	bool "Ladder governor (for periodic timer tick)"
  	default y
  
  config CPU_IDLE_GOV_MENU
  	bool "Menu governor (for tickless system)"
  	default y
  
  config DT_IDLE_STATES
  	bool
  
  menu "ARM CPU Idle Drivers"
  depends on ARM || ARM64
  source "drivers/cpuidle/Kconfig.arm"
  endmenu
  
  menu "MIPS CPU Idle Drivers"
  depends on MIPS
  source "drivers/cpuidle/Kconfig.mips"
  endmenu
  
  menu "POWERPC CPU Idle Drivers"
  depends on PPC
  source "drivers/cpuidle/Kconfig.powerpc"
  endmenu
  
  endif
  
  config ARCH_NEEDS_CPU_IDLE_COUPLED
  	def_bool n
  endmenu