net: silan: 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: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/silan/sc92031.c

@@ -301,6 +301,7 @@ struct sc92031_priv {
 
 	/* for dev->get_stats */
 	long			rx_value;
+	struct net_device	*ndev;
 };
 
 /* I don't know which registers can be safely read; however, I can guess
@@ -829,10 +830,10 @@ static void _sc92031_link_tasklet(struct net_device *dev)
 	}
 }
 
-static void sc92031_tasklet(unsigned long data)
+static void sc92031_tasklet(struct tasklet_struct *t)
 {
-	struct net_device *dev = (struct net_device *)data;
-	struct sc92031_priv *priv = netdev_priv(dev);
+	struct  sc92031_priv *priv = from_tasklet(priv, t, tasklet);
+	struct net_device *dev = priv->ndev;
 	void __iomem *port_base = priv->port_base;
 	u32 intr_status, intr_mask;
 
@@ -1108,7 +1109,7 @@ static void sc92031_poll_controller(struct net_device *dev)
 
 	disable_irq(irq);
 	if (sc92031_interrupt(irq, dev) != IRQ_NONE)
-		sc92031_tasklet((unsigned long)dev);
+		sc92031_tasklet(&priv->tasklet);
 	enable_irq(irq);
 }
 #endif
@@ -1443,10 +1444,11 @@ static int sc92031_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	dev->ethtool_ops	= &sc92031_ethtool_ops;
 
 	priv = netdev_priv(dev);
+	priv->ndev = dev;
 	spin_lock_init(&priv->lock);
 	priv->port_base = port_base;
 	priv->pdev = pdev;
-	tasklet_init(&priv->tasklet, sc92031_tasklet, (unsigned long)dev);
+	tasklet_setup(&priv->tasklet, sc92031_tasklet);
 	/* Fudge tasklet count so the call to sc92031_enable_interrupts at
 	 * sc92031_open will work correctly */
 	tasklet_disable_nosync(&priv->tasklet);