[SPARC64]: Control debuglocks.c compilation using Makefile rules.

arch/sparc64/lib/Makefile

@@ -5,11 +5,12 @@
 EXTRA_AFLAGS := -ansi
 EXTRA_CFLAGS := -Werror
 
-lib-y := PeeCeeI.o blockops.o debuglocks.o strlen.o strncmp.o \
+lib-y := PeeCeeI.o blockops.o strlen.o strncmp.o \
 	 memscan.o strncpy_from_user.o strlen_user.o memcmp.o checksum.o \
 	 VIScopy.o VISbzero.o VISmemset.o VIScsum.o VIScsumcopy.o \
 	 VIScsumcopyusr.o VISsave.o atomic.o rwlock.o bitops.o \
 	 U3memcpy.o U3copy_from_user.o U3copy_to_user.o \
 	 U3copy_in_user.o mcount.o ipcsum.o rwsem.o xor.o
 
+lib-$(CONFIG_DEBUG_SPINLOCK) += debuglocks.o
 lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o

arch/sparc64/lib/debuglocks.c

@@ -10,7 +10,7 @@
 #include <linux/spinlock.h>
 #include <asm/system.h>
 
-#if defined(CONFIG_SMP) && defined(CONFIG_DEBUG_SPINLOCK)
+#ifdef CONFIG_SMP
 
 #define GET_CALLER(PC) __asm__ __volatile__("mov %%i7, %0" : "=r" (PC))
 
@@ -296,4 +296,4 @@ void _do_write_unlock(rwlock_t *rw)
 	}
 }
 
-#endif /* CONFIG_SMP && CONFIG_DEBUG_SPINLOCK */
+#endif /* CONFIG_SMP */