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From: "Rajendra Nayak" <rnayak@ti.com>
To: <linux-omap@vger.kernel.org>
Subject: [PATCH 02/02] Kconfig changes
Date: Tue, 10 Jun 2008 12:39:02 +0530
Updates the CPUidle Kconfig
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
---
arch/arm/Kconfig | 10 ++++++++++
drivers/cpuidle/Kconfig | 28 ++++++++++++++++++++++------
2 files changed, 32 insertions(+), 6 deletions(-)
Index: linux-omap-2.6/arch/arm/Kconfig
===================================================================
--- linux-omap-2.6.orig/arch/arm/Kconfig 2008-06-10 11:43:10.790502713 +0530
+++ linux-omap-2.6/arch/arm/Kconfig 2008-06-10 11:43:38.701604549 +0530
@@ -954,6 +954,16 @@ config ATAGS_PROC
endmenu
+if (ARCH_OMAP)
+
+menu "CPUIdle"
+
+source "drivers/cpuidle/Kconfig"
+
+endmenu
+
+endif
+
if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA)
menu "CPU Frequency scaling"
Index: linux-omap-2.6/drivers/cpuidle/Kconfig
===================================================================
--- linux-omap-2.6.orig/drivers/cpuidle/Kconfig 2008-06-10 11:43:10.790502713 +0530
+++ linux-omap-2.6/drivers/cpuidle/Kconfig 2008-06-10 12:06:36.139332151 +0530
@@ -1,20 +1,36 @@
+menu "CPU idle PM support"
config CPU_IDLE
bool "CPU idle PM support"
- default ACPI
+ default n
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 you're using a mobile platform that supports CPU idle PM (e.g.
+ an ACPI-capable notebook), you should say Y here.
+
+if CPU_IDLE
+
+comment "Governors"
config CPU_IDLE_GOV_LADDER
- bool
+ bool "ladder"
depends on CPU_IDLE
- default y
+ default n
config CPU_IDLE_GOV_MENU
- bool
+ bool "menu"
depends on CPU_IDLE && NO_HZ
- default y
+ default n
+ help
+ This cpuidle governor evaluates all available states and chooses the
+ deepest state that meets all of the following constraints: BM activity,
+ expected time until next timer interrupt, and last break event time
+ delta. It is designed to minimize power consumption. Currently
+ dynticks is required.
+
+endif # CPU_IDLE
+
+endmenu
--
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