diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-20 13:57:26 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-05-12 17:39:14 +0100 |
| commit | 205bee6ad804d7034773b5978c74dde495df2301 (patch) | |
| tree | e9f92601130f3cc0a45e025b7555ace9586355cb /arch/arm/Kconfig | |
| parent | 492c2e476eac010962850006c49df326919b284c (diff) | |
[ARM] dyntick: Remove obsolete and unused ARM dyntick support
dyntick is superseded by the clocksource/clockevent infrastructure,
using the NO_HZ configuration option. No one implements dyntick on
ARM anymore, so it's pointless keeping it around. Remove dyntick
support.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b786e68914d..167824e24ed 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -703,27 +703,6 @@ 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" - depends on !GENERIC_CLOCKEVENTS - 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. - - Please note that dynamic tick may affect the accuracy of - timekeeping on some platforms depending on the implementation. - Currently at least OMAP, PXA2xx and SA11x0 platforms are known - to have accurate timekeeping with dynamic tick. - config HZ int default 128 if ARCH_L7200 |