[media] ivtv: use setup_timer

Use setup_timer() instead of init_timer() to simplify the code.
Signed-off-by: NGeliang Tang <geliangtang@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/pci/ivtv/ivtv-driver.c

@@ -770,9 +770,8 @@ static int ivtv_init_struct1(struct ivtv *itv)
 	init_waitqueue_head(&itv->event_waitq);
 	init_waitqueue_head(&itv->vsync_waitq);
 	init_waitqueue_head(&itv->dma_waitq);
-	init_timer(&itv->dma_timer);
-	itv->dma_timer.function = ivtv_unfinished_dma;
-	itv->dma_timer.data = (unsigned long)itv;
+	setup_timer(&itv->dma_timer, ivtv_unfinished_dma,
+		    (unsigned long)itv);
 
 	itv->cur_dma_stream = -1;
 	itv->cur_pio_stream = -1;