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>

3 files changed, 4 insertions, 9 deletions

diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index dcad6507f196..349b81a39c40 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -28,9 +28,11 @@ SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
 targets         := vmlinux.bin setup.bin setup.elf zImage bzImage
 subdir-         := compressed
 
-setup-y         += a20.o apm.o cmdline.o copy.o cpu.o cpucheck.o edd.o
+setup-y         += a20.o cmdline.o copy.o cpu.o cpucheck.o edd.o
 setup-y         += header.o main.o mca.o memory.o pm.o pmjump.o
-setup-y         += printf.o string.o tty.o video.o version.o voyager.o
+setup-y         += printf.o string.o tty.o video.o version.o
+setup-$(CONFIG_X86_APM_BOOT) += apm.o
+setup-$(CONFIG_X86_VOYAGER) += voyager.o
 
 # The link order of the video-*.o modules can matter.  In particular,
 # video-vga.o *must* be listed first, followed by video-vesa.o.
diff --git a/arch/x86/boot/apm.c b/arch/x86/boot/apm.c
index eab50c55a3a5..c117c7fb859c 100644
--- a/arch/x86/boot/apm.c
+++ b/arch/x86/boot/apm.c
@@ -19,8 +19,6 @@
 
 #include "boot.h"
 
-#if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE)
-
 int query_apm_bios(void)
 {
         u16 ax, bx, cx, dx, di;
@@ -95,4 +93,3 @@ int query_apm_bios(void)
         return 0;
 }
 
-#endif
diff --git a/arch/x86/boot/voyager.c b/arch/x86/boot/voyager.c
index 61c8fe0453be..6499e3239b41 100644
--- a/arch/x86/boot/voyager.c
+++ b/arch/x86/boot/voyager.c
@@ -16,8 +16,6 @@
 
 #include "boot.h"
 
-#ifdef CONFIG_X86_VOYAGER
-
 int query_voyager(void)
 {
         u8 err;
@@ -42,5 +40,3 @@ int query_voyager(void)
         copy_from_fs(data_ptr, di, 7);  /* Table is 7 bytes apparently */
         return 0;
 }
-
-#endif /* CONFIG_X86_VOYAGER */