x86: compile apm and voyager module only when selected in Kconfig

Previously the complete files were #ifdef'ed, but now handle that in the
Makefile.

May save a minor bit of compilation time.

[ Stephen Rothwell <sfr@canb.auug.org.au>: build dependency fix ]
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5271665a22e0..1de28e850aa4 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1199,6 +1199,11 @@ source "kernel/power/Kconfig"
 
 source "drivers/acpi/Kconfig"
 
+config X86_APM_BOOT
+        bool
+        default y
+        depends on APM || APM_MODULE
+
 menuconfig APM
         tristate "APM (Advanced Power Management) BIOS support"
         depends on X86_32 && PM_SLEEP && !X86_VISWS