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Len Brown4f86d3a2007-10-03 18:58:00 -04001
2config CPU_IDLE
3 bool "CPU idle PM support"
Benjamin Herrenschmidtaa491ad2012-02-22 16:04:24 +11004 default y if ACPI || PPC_PSERIES
Len Brown4f86d3a2007-10-03 18:58:00 -04005 help
6 CPU idle is a generic framework for supporting software-controlled
7 idle processor power management. It includes modular cross-platform
8 governors that can be swapped during runtime.
9
len.brown@intel.com60555e32007-11-19 22:22:37 -050010 If you're using an ACPI-enabled platform, you should say Y here.
Len Brown4f86d3a2007-10-03 18:58:00 -040011
Daniel Lezcanobf4d1b52012-10-31 16:44:48 +000012config CPU_IDLE_MULTIPLE_DRIVERS
13 bool "Support multiple cpuidle drivers"
14 depends on CPU_IDLE
15 default n
16 help
17 Allows the cpuidle framework to use different drivers for each CPU.
18 This is useful if you have a system with different CPU latencies and
19 states. If unsure say N.
20
Len Brown4f86d3a2007-10-03 18:58:00 -040021config CPU_IDLE_GOV_LADDER
22 bool
23 depends on CPU_IDLE
24 default y
25
26config CPU_IDLE_GOV_MENU
27 bool
28 depends on CPU_IDLE && NO_HZ
29 default y
Colin Cross4126c012012-05-07 17:57:41 -070030
31config ARCH_NEEDS_CPU_IDLE_COUPLED
32 def_bool n
Rob Herringbe6a98d2012-10-12 12:45:34 -050033
34if CPU_IDLE
35
36config CPU_IDLE_CALXEDA
37 bool "CPU Idle Driver for Calxeda processors"
38 depends on ARCH_HIGHBANK
39 help
40 Select this to enable cpuidle on Calxeda processors.
41
42endif