powerpc/sparse: Make a bunch of things static

Squash a bunch of sparse warnings by making things static.

Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/oprofile/cell/spu_profiler.c

@@ -43,7 +43,7 @@ static unsigned int profiling_interval;
 #define SPU_PC_MASK	     0xFFFF
 
 DEFINE_SPINLOCK(oprof_spu_smpl_arry_lck);
-unsigned long oprof_spu_smpl_arry_lck_flags;
+static unsigned long oprof_spu_smpl_arry_lck_flags;
 
 void set_spu_profiling_frequency(unsigned int freq_khz, unsigned int cycles_reset)
 {

arch/powerpc/oprofile/cell/spu_task_sync.c

@@ -36,7 +36,7 @@
 static DEFINE_SPINLOCK(buffer_lock);
 static DEFINE_SPINLOCK(cache_lock);
 static int num_spu_nodes;
-int spu_prof_num_nodes;
+static int spu_prof_num_nodes;
 
 struct spu_buffer spu_buff[MAX_NUMNODES * SPUS_PER_NODE];
 struct delayed_work spu_work;
@@ -88,7 +88,7 @@ static void spu_buff_add(unsigned long int value, int spu)
 /* This function copies the per SPU buffers to the
  * OProfile kernel buffer.
  */
-void sync_spu_buff(void)
+static void sync_spu_buff(void)
 {
 	int spu;
 	unsigned long flags;