net: alteon: 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: NRomain Perier <romain.perier@gmail.com>
Signed-off-by: NAllen Pais <apais@linux.microsoft.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/alteon/acenic.c

@@ -465,6 +465,7 @@ static int acenic_probe_one(struct pci_dev *pdev,
 	SET_NETDEV_DEV(dev, &pdev->dev);
 
 	ap = netdev_priv(dev);
+	ap->ndev = dev;
 	ap->pdev = pdev;
 	ap->name = pci_name(pdev);
 
@@ -1562,10 +1563,10 @@ static void ace_watchdog(struct net_device *data, unsigned int txqueue)
 }
 
 
-static void ace_tasklet(unsigned long arg)
+static void ace_tasklet(struct tasklet_struct *t)
 {
-	struct net_device *dev = (struct net_device *) arg;
-	struct ace_private *ap = netdev_priv(dev);
+	struct ace_private *ap = from_tasklet(ap, t, ace_tasklet);
+	struct net_device *dev = ap->ndev;
 	int cur_size;
 
 	cur_size = atomic_read(&ap->cur_rx_bufs);
@@ -2269,7 +2270,7 @@ static int ace_open(struct net_device *dev)
 	/*
 	 * Setup the bottom half rx ring refill handler
 	 */
-	tasklet_init(&ap->ace_tasklet, ace_tasklet, (unsigned long)dev);
+	tasklet_setup(&ap->ace_tasklet, ace_tasklet);
 	return 0;
 }
 

drivers/net/ethernet/alteon/acenic.h

@@ -633,6 +633,7 @@ struct ace_skb
  */
 struct ace_private
 {
+	struct net_device	*ndev;		/* backpointer */
 	struct ace_info		*info;
 	struct ace_regs	__iomem	*regs;		/* register base */
 	struct ace_skb		*skb;
@@ -776,7 +777,7 @@ static int ace_open(struct net_device *dev);
 static netdev_tx_t ace_start_xmit(struct sk_buff *skb,
 				  struct net_device *dev);
 static int ace_close(struct net_device *dev);
-static void ace_tasklet(unsigned long dev);
+static void ace_tasklet(struct tasklet_struct *t);
 static void ace_dump_trace(struct ace_private *ap);
 static void ace_set_multicast_list(struct net_device *dev);
 static int ace_change_mtu(struct net_device *dev, int new_mtu);