[POWERPC] Spinlock initializer cleanup

Use DEFINE_SPINLOCK instead of initializing spinlocks to
SPIN_LOCK_UNLOCKED, since DEFINE_SPINLOCK is better for lockdep.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 1009308..6c83fe2 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -394,7 +394,7 @@
 #ifdef CONFIG_PPC_MERGE
 
 static LIST_HEAD(irq_hosts);
-static spinlock_t irq_big_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(irq_big_lock);
 static DEFINE_PER_CPU(unsigned int, irq_radix_reader);
 static unsigned int irq_radix_writer;
 struct irq_map_entry irq_map[NR_IRQS];
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c
index fb999e3..626b29f 100644
--- a/arch/powerpc/oprofile/op_model_cell.c
+++ b/arch/powerpc/oprofile/op_model_cell.c
@@ -131,7 +131,7 @@
 static u32 reset_value[NR_PHYS_CTRS];
 static int num_counters;
 static int oprofile_running;
-static spinlock_t virt_cntr_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(virt_cntr_lock);
 
 static u32 ctr_enabled;
 
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 8086eb1..fec5152 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -43,7 +43,7 @@
 static struct list_head spu_list[MAX_NUMNODES];
 static LIST_HEAD(spu_full_list);
 static DEFINE_MUTEX(spu_mutex);
-static spinlock_t spu_list_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(spu_list_lock);
 
 EXPORT_SYMBOL_GPL(spu_priv1_ops);
 
diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c
index e12e59f..ea60c45 100644
--- a/arch/powerpc/platforms/ps3/htab.c
+++ b/arch/powerpc/platforms/ps3/htab.c
@@ -39,7 +39,7 @@
 static unsigned char *bolttab;
 static unsigned char *inusetab;
 
-static spinlock_t ps3_bolttab_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(ps3_bolttab_lock);
 
 #define debug_dump_hpte(_a, _b, _c, _d, _e, _f, _g) \
 	_debug_dump_hpte(_a, _b, _c, _d, _e, _f, _g, __func__, __LINE__)