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ARM: S3C64XX: Reduce residency requirement for cpuidle WFI mode
author
Mark Brown
<broonie@opensource.wolfsonmicro.com>
Fri, 30 Dec 2011 00:41:56 +0000
(09:41 +0900)
committer
Kukjin Kim
<kgene.kim@samsung.com>
Fri, 10 Feb 2012 23:02:43 +0000
(08:02 +0900)
Entering and leaving WFI is really cheap so there's no reason to have much
of a residency requirement for the state. Lower it to 1ms.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
arch/arm/mach-s3c64xx/cpuidle.c
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diff --git
a/arch/arm/mach-s3c64xx/cpuidle.c
b/arch/arm/mach-s3c64xx/cpuidle.c
index 625d2c7b454048a48cafcf32950fe8d1e1617a0f..179460f38db7587c94321ca2c401173cf174da77 100644
(file)
--- a/
arch/arm/mach-s3c64xx/cpuidle.c
+++ b/
arch/arm/mach-s3c64xx/cpuidle.c
@@
-55,7
+55,7
@@
static struct cpuidle_state s3c64xx_cpuidle_set[] = {
[0] = {
.enter = s3c64xx_enter_idle,
.exit_latency = 1,
- .target_residency = 1
00000
,
+ .target_residency = 1,
.flags = CPUIDLE_FLAG_TIME_VALID,
.name = "IDLE",
.desc = "System active, ARM gated",