diff options
Diffstat (limited to 'drivers/cpuidle/Kconfig')
| -rw-r--r-- | drivers/cpuidle/Kconfig | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig index 7dbc4a83c45..1b96fb91d32 100644 --- a/drivers/cpuidle/Kconfig +++ b/drivers/cpuidle/Kconfig @@ -1,7 +1,10 @@ +menu "CPU Idle" config CPU_IDLE bool "CPU idle PM support" - default ACPI + 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 @@ -9,12 +12,41 @@ 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" + default n + help + Allows the cpuidle framework to use different drivers for each CPU. + This is useful if you have a system with different CPU latencies and + 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 + +menu "ARM CPU Idle Drivers" +depends on ARM +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 |