| |
| 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 |
| 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 "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 "Ladder governor (for periodic timer tick)" |
| default y |
| |
| config CPU_IDLE_GOV_MENU |
| bool "Menu governor (for tickless system)" |
| default y |
| |
| 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 |