[S390] pm: fix build error for !SMP

Fix build error for !SMP:

arch/s390/power/built-in.o: In function `swsusp_arch_resume':
(.text+0x1b4): undefined reference to `smp_get_phys_cpu_id'
arch/s390/power/built-in.o: In function `swsusp_arch_resume':
(.text+0x288): undefined reference to `smp_switch_boot_cpu_in_resume'
make: *** [.tmp_vmlinux1] Error 1

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/arch/s390/power/swsusp_asm64.S b/arch/s390/power/swsusp_asm64.S
index 3c74e7d827c9..76d688da32fa 100644
--- a/arch/s390/power/swsusp_asm64.S
+++ b/arch/s390/power/swsusp_asm64.S
@@ -109,10 +109,11 @@ swsusp_arch_resume:
         aghi    %r15,-STACK_FRAME_OVERHEAD
         stg     %r1,__SF_BACKCHAIN(%r15)
 
+#ifdef CONFIG_SMP
         /* Save boot cpu number */
         brasl   %r14,smp_get_phys_cpu_id
         lgr     %r10,%r2
-
+#endif
         /* Deactivate DAT */
         stnsm   __SF_EMPTY(%r15),0xfb
 
@@ -177,11 +178,12 @@ swsusp_arch_resume:
         /* Pointer to save arae */
         lghi    %r13,0x1000
 
+#ifdef CONFIG_SMP
         /* Switch CPUs */
         lgr     %r2,%r10                /* get cpu id */
         llgf    %r3,0x318(%r13)
         brasl   %r14,smp_switch_boot_cpu_in_resume
-
+#endif
         /* Restore prefix register */
         spx     0x318(%r13)