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Date: Tue, 22 Sep 2009 11:08:09 +0530
From: Arun R Bharadwaj <arun@linux.vnet.ibm.com>
To: Joel Schopp <jschopp@austin.ibm.com>,
       Benjamin Herrenschmidt <benh@kernel.crashing.org>,
       Paul Mackerras <paulus@samba.org>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>, Ingo Molnar <mingo@elte.hu>,
       Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
       Dipankar Sarma <dipankar@in.ibm.com>, Balbir Singh <balbir@in.ibm.com>,
       Gautham R Shenoy <ego@in.ibm.com>,
       Arun Bharadwaj <arun@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: [v5 RFC PATCH 4/7]: POWER: enable cpuidle for POWER.
Message-ID: <20090922053809.GE6417@linux.vnet.ibm.com>
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* Arun R Bharadwaj <arun@linux.vnet.ibm.com> [2009-09-22 11:03:14]:

This patch enables the cpuidle option in Kconfig for pSeries.

Currently cpuidle infrastructure is enabled only for x86 and ARM.


Signed-off-by: Arun R Bharadwaj <arun@linux.vnet.ibm.com>
---
 arch/powerpc/Kconfig |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

Index: linux.trees.git/arch/powerpc/Kconfig
===================================================================
--- linux.trees.git.orig/arch/powerpc/Kconfig
+++ linux.trees.git/arch/powerpc/Kconfig
@@ -243,6 +243,20 @@ source "kernel/Kconfig.freezer"
 source "arch/powerpc/sysdev/Kconfig"
 source "arch/powerpc/platforms/Kconfig"
 
+menu "Power management options"
+
+source "drivers/cpuidle/Kconfig"
+
+config PSERIES_PROCESSOR_IDLE
+	bool "Idle Power Management Support for pSeries"
+	depends on PPC_PSERIES && CPU_IDLE
+	default y
+	help
+	  Idle Power Management Support for pSeries. This hooks onto cpuidle
+	  infrastructure to help in idle cpu power management.
+
+endmenu
+
 menu "Kernel options"
 
 config HIGHMEM