From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rajendra Nayak" Subject: [PATCH 03/11] menuconfig updates for cpuidle Date: Fri, 18 Jul 2008 18:49:23 +0530 Message-ID: <001501c8e8d8$e5386f00$68bf18ac@ent.ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from soda.ext.ti.com ([198.47.26.145]:40175 "EHLO soda.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751465AbYGRNTb convert rfc822-to-8bit (ORCPT ); Fri, 18 Jul 2008 09:19:31 -0400 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by soda.ext.ti.com (8.13.7/8.13.7) with ESMTP id m6IDJOMD014922 for ; Fri, 18 Jul 2008 08:19:30 -0500 Received: from a0393137pc (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id m6IDJNFp007097 for ; Fri, 18 Jul 2008 18:49:23 +0530 (IST) Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org This patch enables the cpuidle option in menuconfig and selects the menu governor Signed-off-by: Rajendra Nayak --- arch/arm/Kconfig | 10 ++++++++++ drivers/cpuidle/Kconfig | 26 +++++++++++++++++++++----- 2 files changed, 31 insertions(+), 5 deletions(-) Index: linux-omap-2.6/arch/arm/Kconfig =================================================================== --- linux-omap-2.6.orig/arch/arm/Kconfig 2008-07-17 18:14:40.023219896 +0530 +++ linux-omap-2.6/arch/arm/Kconfig 2008-07-17 18:15:02.801495219 +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 2008-07-17 18:14:40.023219896 +0530 +++ linux-omap-2.6/drivers/cpuidle/Kconfig 2008-07-17 18:15:25.445774821 +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 + 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