linux-kernel - [PATCH] x86: Change unnecessary dependencies on CONFIG

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Date:	Sat, 12 Jan 2008 00:06:46 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andi Kleen <ak@...e.de>, Adrian Bunk <bunk@...nel.org>,
	Pavel Machek <pavel@...e.cz>, linux-kernel@...r.kernel.org
Subject: [PATCH] x86: Change unnecessary dependencies on CONFIG_PM

[Ingo, this patch applies on top of the mm branch, please add.]
---
From: Rafael J. Wysocki <rjw@...k.pl>

CONFIG_PM_CPUINIT should depend on CONFIG_PM_SLEEP rather than
on CONFIG_PM, because it only is needed for suspend and
hibernation.  Also, it's not necessary to compile
arch/x86/power/cpu.c if CONFIG_PM_SLEEP is not set, for the same
reason.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 arch/x86/Kconfig        |    2 +-
 arch/x86/power/Makefile |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6/arch/x86/Kconfig
===================================================================
--- linux-2.6.orig/arch/x86/Kconfig
+++ linux-2.6/arch/x86/Kconfig
@@ -150,7 +150,7 @@ config GENERIC_PENDING_IRQ
 
 config PM_CPUINIT
 	bool
-	depends on PM
+	depends on PM_SLEEP
 	default y
 
 config X86_SMP
Index: linux-2.6/arch/x86/power/Makefile
===================================================================
--- linux-2.6.orig/arch/x86/power/Makefile
+++ linux-2.6/arch/x86/power/Makefile
@@ -1,2 +1,2 @@
-obj-$(CONFIG_PM)		+= cpu.o
+obj-$(CONFIG_PM_SLEEP)		+= cpu.o
 obj-$(CONFIG_HIBERNATION)	+= swsusp.o suspend.o
--
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