cnic: 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/broadcom/cnic.c

@@ -3009,10 +3009,10 @@ static int cnic_service_bnx2(void *data, void *status_blk)
 	return cnic_service_bnx2_queues(dev);
 }
 
-static void cnic_service_bnx2_msix(unsigned long data)
+static void cnic_service_bnx2_msix(struct tasklet_struct *t)
 {
-	struct cnic_dev *dev = (struct cnic_dev *) data;
-	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_local *cp = from_tasklet(cp, t, cnic_irq_task);
+	struct cnic_dev *dev = cp->dev;
 
 	cp->last_status_idx = cnic_service_bnx2_queues(dev);
 
@@ -3134,10 +3134,10 @@ static u32 cnic_service_bnx2x_kcq(struct cnic_dev *dev, struct kcq_info *info)
 	return last_status;
 }
 
-static void cnic_service_bnx2x_bh(unsigned long data)
+static void cnic_service_bnx2x_bh(struct tasklet_struct *t)
 {
-	struct cnic_dev *dev = (struct cnic_dev *) data;
-	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_local *cp = from_tasklet(cp, t, cnic_irq_task);
+	struct cnic_dev *dev = cp->dev;
 	struct bnx2x *bp = netdev_priv(dev->netdev);
 	u32 status_idx, new_status_idx;
 
@@ -4458,8 +4458,7 @@ static int cnic_init_bnx2_irq(struct cnic_dev *dev)
 		CNIC_WR(dev, base + BNX2_HC_CMD_TICKS_OFF, (64 << 16) | 220);
 
 		cp->last_status_idx = cp->status_blk.bnx2->status_idx;
-		tasklet_init(&cp->cnic_irq_task, cnic_service_bnx2_msix,
-			     (unsigned long) dev);
+		tasklet_setup(&cp->cnic_irq_task, cnic_service_bnx2_msix);
 		err = cnic_request_irq(dev);
 		if (err)
 			return err;
@@ -4868,8 +4867,7 @@ static int cnic_init_bnx2x_irq(struct cnic_dev *dev)
 	struct cnic_eth_dev *ethdev = cp->ethdev;
 	int err = 0;
 
-	tasklet_init(&cp->cnic_irq_task, cnic_service_bnx2x_bh,
-		     (unsigned long) dev);
+	tasklet_setup(&cp->cnic_irq_task, cnic_service_bnx2x_bh);
 	if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
 		err = cnic_request_irq(dev);