[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>

diff --git a/arch/s390/power/swsusp_asm64.S b/arch/s390/power/swsusp_asm64.S
index 3c74e7d..76d688d 100644 (file)
--- 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)