net: smc91x: 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/smsc/smc91x.c

@@ -535,10 +535,10 @@ static inline void  smc_rcv(struct net_device *dev)
 /*
  * This is called to actually send a packet to the chip.
  */
-static void smc_hardware_send_pkt(unsigned long data)
+static void smc_hardware_send_pkt(struct tasklet_struct *t)
 {
-	struct net_device *dev = (struct net_device *)data;
-	struct smc_local *lp = netdev_priv(dev);
+	struct smc_local *lp = from_tasklet(lp, t, tx_task);
+	struct net_device *dev = lp->dev;
 	void __iomem *ioaddr = lp->base;
 	struct sk_buff *skb;
 	unsigned int packet_no, len;
@@ -688,7 +688,7 @@ smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		 * Allocation succeeded: push packet to the chip's own memory
 		 * immediately.
 		 */
-		smc_hardware_send_pkt((unsigned long)dev);
+		smc_hardware_send_pkt(&lp->tx_task);
 	}
 
 	return NETDEV_TX_OK;
@@ -1964,7 +1964,7 @@ static int smc_probe(struct net_device *dev, void __iomem *ioaddr,
 	dev->netdev_ops = &smc_netdev_ops;
 	dev->ethtool_ops = &smc_ethtool_ops;
 
-	tasklet_init(&lp->tx_task, smc_hardware_send_pkt, (unsigned long)dev);
+	tasklet_setup(&lp->tx_task, smc_hardware_send_pkt);
 	INIT_WORK(&lp->phy_configure, smc_phy_configure);
 	lp->dev = dev;
 	lp->mii.phy_id_mask = 0x1f;