locking: Convert __raw_spin* functions to arch_spin*

Name space cleanup. No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: linux-arch@vger.kernel.org
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 57dfa41..fd0d294 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -80,13 +80,13 @@
 
 	local_irq_save(flags);
 	preempt_disable();
-	__raw_spin_lock_flags(&rtas.lock, flags);
+	arch_spin_lock_flags(&rtas.lock, flags);
 	return flags;
 }
 
 static void unlock_rtas(unsigned long flags)
 {
-	__raw_spin_unlock(&rtas.lock);
+	arch_spin_unlock(&rtas.lock);
 	local_irq_restore(flags);
 	preempt_enable();
 }
@@ -987,10 +987,10 @@
 
 	local_irq_save(flags);
 	hard_irq_disable();
-	__raw_spin_lock(&timebase_lock);
+	arch_spin_lock(&timebase_lock);
 	rtas_call(rtas_token("freeze-time-base"), 0, 1, NULL);
 	timebase = get_tb();
-	__raw_spin_unlock(&timebase_lock);
+	arch_spin_unlock(&timebase_lock);
 
 	while (timebase)
 		barrier();
@@ -1002,8 +1002,8 @@
 {
 	while (!timebase)
 		barrier();
-	__raw_spin_lock(&timebase_lock);
+	arch_spin_lock(&timebase_lock);
 	set_tb(timebase >> 32, timebase & 0xffffffff);
 	timebase = 0;
-	__raw_spin_unlock(&timebase_lock);
+	arch_spin_unlock(&timebase_lock);
 }