|  | 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)" | 
|  |  | 
|  | config CPU_IDLE_GOV_MENU | 
|  | bool "Menu governor (for tickless system)" | 
|  |  | 
|  | 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 |