[PATCH] ARM: S3C64XX: Reduce residency requirement for cpuidle WFI mode
Mark Brown
broonie at opensource.wolfsonmicro.com
Mon Dec 26 05:58:46 EST 2011
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 at opensource.wolfsonmicro.com>
---
arch/arm/mach-s3c64xx/cpuidle.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-s3c64xx/cpuidle.c b/arch/arm/mach-s3c64xx/cpuidle.c
index 625d2c7..179460f 100644
--- 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 = 100000,
+ .target_residency = 1,
.flags = CPUIDLE_FLAG_TIME_VALID,
.name = "IDLE",
.desc = "System active, ARM gated",
--
1.7.7.3
More information about the linux-arm-kernel
mailing list