V4L/DVB (5413): Use spin_lock_init to fix lockdep warnings.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index c61e883..4fe4225 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -625,8 +625,8 @@
 	mutex_init(&itv->i2c_bus_lock);
 	mutex_init(&itv->udma.lock);
 
-	itv->lock = SPIN_LOCK_UNLOCKED;
-	itv->dma_reg_lock = SPIN_LOCK_UNLOCKED;
+	spin_lock_init(&itv->lock);
+	spin_lock_init(&itv->dma_reg_lock);
 
 	itv->irq_work_queues = create_workqueue(itv->name);
 	if (itv->irq_work_queues == NULL) {