dmaengine: rapidio: tsi721: Rename device_control

Rename the device_control callback of the TXX9 DMA driver to terminate_all
since it's all it's really doing. That will eventually be used to retrieve
slave capabilities.

Signed-off-by: Maxime Ripard <[e-mail]>
Signed-off-by: Vinod Koul <[e-mail]>

drivers/rapidio/devices/tsi721_dma.c

···
 	return txd;
 }
 
-static int tsi721_device_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd,
-			     unsigned long arg)
+static int tsi721_terminate_all(struct dma_chan *dchan)
 {
 	struct tsi721_bdma_chan *bdma_chan = to_tsi721_chan(dchan);
 	struct tsi721_tx_desc *desc, *_d;
···
 	LIST_HEAD(list);
 
 	dev_dbg(dchan->device->dev, "%s: Entry\n", __func__);
-
-	if (cmd != DMA_TERMINATE_ALL)
-		return -ENOSYS;
 
 	spin_lock_bh(&bdma_chan->lock);
 
···
 	mport->dma.device_tx_status = tsi721_tx_status;
 	mport->dma.device_issue_pending = tsi721_issue_pending;
 	mport->dma.device_prep_slave_sg = tsi721_prep_rio_sg;
-	mport->dma.device_control = tsi721_device_control;
+	mport->dma.device_terminate_all = tsi721_terminate_all;
 
 	err = dma_async_device_register(&mport->dma);
 	if (err)