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path: root/drivers/cpuidle/Kconfig
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Diffstat (limited to 'drivers/cpuidle/Kconfig')
-rw-r--r--drivers/cpuidle/Kconfig28
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig
index c4cc27e5c8a5..0e2cd5cab4d0 100644
--- a/drivers/cpuidle/Kconfig
+++ b/drivers/cpuidle/Kconfig
@@ -1,7 +1,9 @@
-config CPU_IDLE
+menuconfig 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
@@ -9,9 +11,10 @@ config CPU_IDLE
If you're using an ACPI-enabled platform, you should say Y here.
+if CPU_IDLE
+
config CPU_IDLE_MULTIPLE_DRIVERS
bool "Support multiple cpuidle drivers"
- depends on CPU_IDLE
default n
help
Allows the cpuidle framework to use different drivers for each CPU.
@@ -19,24 +22,27 @@ config CPU_IDLE_MULTIPLE_DRIVERS
states. If unsure say N.
config CPU_IDLE_GOV_LADDER
- bool
- depends on CPU_IDLE
+ bool "Ladder governor (for periodic timer tick)"
default y
config CPU_IDLE_GOV_MENU
- bool
- depends on CPU_IDLE && NO_HZ
+ bool "Menu governor (for tickless system)"
default y
-config ARCH_NEEDS_CPU_IDLE_COUPLED
- def_bool n
-
-if CPU_IDLE
-
config CPU_IDLE_CALXEDA
bool "CPU Idle Driver for Calxeda processors"
depends on ARCH_HIGHBANK
+ select ARM_CPU_SUSPEND
help
Select this to enable cpuidle on Calxeda processors.
+config CPU_IDLE_ZYNQ
+ bool "CPU Idle Driver for Xilinx Zynq processors"
+ depends on ARCH_ZYNQ
+ help
+ Select this to enable cpuidle on Xilinx Zynq processors.
+
endif
+
+config ARCH_NEEDS_CPU_IDLE_COUPLED
+ def_bool n