[media] bt8xx: use setup_timer

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

drivers/media/pci/bt8xx/bttv-driver.c

@@ -4043,9 +4043,7 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
 	INIT_LIST_HEAD(&btv->capture);
 	INIT_LIST_HEAD(&btv->vcapture);
 
-	init_timer(&btv->timeout);
-	btv->timeout.function = bttv_irq_timeout;
-	btv->timeout.data     = (unsigned long)btv;
+	setup_timer(&btv->timeout, bttv_irq_timeout, (unsigned long)btv);
 
 	btv->i2c_rc = -1;
 	btv->tuner_type  = UNSET;