1b98e01adSSaharamenu "CPU Idle" 24f86d3a8SLen Brown 3b98e01adSSaharaconfig CPU_IDLE 44f86d3a8SLen Brown bool "CPU idle PM support" 5aa491ad3SBenjamin Herrenschmidt default y if ACPI || PPC_PSERIES 6d6f346f2SDaniel Lezcano select CPU_IDLE_GOV_LADDER if (!NO_HZ && !NO_HZ_IDLE) 7d6f346f2SDaniel Lezcano select CPU_IDLE_GOV_MENU if (NO_HZ || NO_HZ_IDLE) 84f86d3a8SLen Brown help 94f86d3a8SLen Brown CPU idle is a generic framework for supporting software-controlled 104f86d3a8SLen Brown idle processor power management. It includes modular cross-platform 114f86d3a8SLen Brown governors that can be swapped during runtime. 124f86d3a8SLen Brown 1360555e37Slen.brown@intel.com If you're using an ACPI-enabled platform, you should say Y here. 144f86d3a8SLen Brown 15d6f346f2SDaniel Lezcanoif CPU_IDLE 16d6f346f2SDaniel Lezcano 17bf4d1b5dSDaniel Lezcanoconfig CPU_IDLE_MULTIPLE_DRIVERS 18bf4d1b5dSDaniel Lezcano bool "Support multiple cpuidle drivers" 19bf4d1b5dSDaniel Lezcano default n 20bf4d1b5dSDaniel Lezcano help 21bf4d1b5dSDaniel Lezcano Allows the cpuidle framework to use different drivers for each CPU. 22bf4d1b5dSDaniel Lezcano This is useful if you have a system with different CPU latencies and 23bf4d1b5dSDaniel Lezcano states. If unsure say N. 24bf4d1b5dSDaniel Lezcano 254f86d3a8SLen Brownconfig CPU_IDLE_GOV_LADDER 26d6f346f2SDaniel Lezcano bool "Ladder governor (for periodic timer tick)" 274f86d3a8SLen Brown default y 284f86d3a8SLen Brown 294f86d3a8SLen Brownconfig CPU_IDLE_GOV_MENU 30d6f346f2SDaniel Lezcano bool "Menu governor (for tickless system)" 314f86d3a8SLen Brown default y 324126c019SColin Cross 33b98e01adSSaharamenu "ARM CPU Idle Drivers" 34b98e01adSSaharadepends on ARM 35b98e01adSSaharasource "drivers/cpuidle/Kconfig.arm" 36b98e01adSSaharaendmenu 37bd2a337aSMichal Simek 38*d0508944SPaul Burtonmenu "MIPS CPU Idle Drivers" 39*d0508944SPaul Burtondepends on MIPS 40*d0508944SPaul Burtonsource "drivers/cpuidle/Kconfig.mips" 41*d0508944SPaul Burtonendmenu 42*d0508944SPaul Burton 43962e7bd4SDeepthi Dharwarmenu "POWERPC CPU Idle Drivers" 44962e7bd4SDeepthi Dharwardepends on PPC 45962e7bd4SDeepthi Dharwarsource "drivers/cpuidle/Kconfig.powerpc" 46962e7bd4SDeepthi Dharwarendmenu 47962e7bd4SDeepthi Dharwar 48be6a98d3SRob Herringendif 49b39b0981SDaniel Lezcano 50b39b0981SDaniel Lezcanoconfig ARCH_NEEDS_CPU_IDLE_COUPLED 51b39b0981SDaniel Lezcano def_bool n 52b98e01adSSaharaendmenu 53