diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 07ba77c19f6c..c8d94dcd8ef7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -157,7 +157,7 @@ config ARCH_RPC config ARCH_SA1100 bool "SA1100-based" select ISA - select DISCONTIGMEM + select ARCH_DISCONTIGMEM_ENABLE config ARCH_S3C2410 bool "Samsung S3C2410" @@ -346,6 +346,21 @@ config PREEMPT Say Y here if you are building a kernel for a desktop, embedded or real-time system. Say N if you are unsure. +config NO_IDLE_HZ + bool "Dynamic tick timer" + help + Select this option if you want to disable continuous timer ticks + and have them programmed to occur as required. This option saves + power as the system can remain in idle state for longer. + + By default dynamic tick is disabled during the boot, and can be + manually enabled with: + + echo 1 > /sys/devices/system/timer/timer0/dyn_tick + + Alternatively, if you want dynamic tick automatically enabled + during boot, pass "dyntick=enable" via the kernel command string. + config ARCH_DISCONTIGMEM_ENABLE bool default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM) |
