wireless: mt7601u: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <apais@linux.microsoft.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201007103309.363737-3-allen.lkml@gmail.com

drivers/net/wireless/mediatek/mt7601u/dma.c

@@ -212,9 +212,9 @@ static void mt7601u_complete_rx(struct urb *urb)
 	spin_unlock_irqrestore(&dev->rx_lock, flags);
 }
 
-static void mt7601u_rx_tasklet(unsigned long data)
+static void mt7601u_rx_tasklet(struct tasklet_struct *t)
 {
-	struct mt7601u_dev *dev = (struct mt7601u_dev *) data;
+	struct mt7601u_dev *dev = from_tasklet(dev, t, rx_tasklet);
 	struct mt7601u_dma_buf_rx *e;
 
 	while ((e = mt7601u_rx_get_pending_entry(dev))) {
@@ -266,9 +266,9 @@ static void mt7601u_complete_tx(struct urb *urb)
 	spin_unlock_irqrestore(&dev->tx_lock, flags);
 }
 
-static void mt7601u_tx_tasklet(unsigned long data)
+static void mt7601u_tx_tasklet(struct tasklet_struct *t)
 {
-	struct mt7601u_dev *dev = (struct mt7601u_dev *) data;
+	struct mt7601u_dev *dev = from_tasklet(dev, t, tx_tasklet);
 	struct sk_buff_head skbs;
 	unsigned long flags;
 
@@ -507,8 +507,8 @@ int mt7601u_dma_init(struct mt7601u_dev *dev)
 {
 	int ret = -ENOMEM;
 
-	tasklet_init(&dev->tx_tasklet, mt7601u_tx_tasklet, (unsigned long) dev);
-	tasklet_init(&dev->rx_tasklet, mt7601u_rx_tasklet, (unsigned long) dev);
+	tasklet_setup(&dev->tx_tasklet, mt7601u_tx_tasklet);
+	tasklet_setup(&dev->rx_tasklet, mt7601u_rx_tasklet);
 
 	ret = mt7601u_alloc_tx(dev);
 	if (ret)