net: macb: 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/cadence/macb_main.c

@@ -1466,9 +1466,9 @@ static int macb_poll(struct napi_struct *napi, int budget)
 	return work_done;
 }
 
-static void macb_hresp_error_task(unsigned long data)
+static void macb_hresp_error_task(struct tasklet_struct *t)
 {
-	struct macb *bp = (struct macb *)data;
+	struct macb *bp = from_tasklet(bp, t, hresp_err_tasklet);
 	struct net_device *dev = bp->dev;
 	struct macb_queue *queue;
 	unsigned int q;
@@ -4560,8 +4560,7 @@ static int macb_probe(struct platform_device *pdev)
 		goto err_out_unregister_mdio;
 	}
 
-	tasklet_init(&bp->hresp_err_tasklet, macb_hresp_error_task,
-		     (unsigned long)bp);
+	tasklet_setup(&bp->hresp_err_tasklet, macb_hresp_error_task);
 
 	netdev_info(dev, "Cadence %s rev 0x%08x at 0x%08lx irq %d (%pM)\n",
 		    macb_is_gem(bp) ? "GEM" : "MACB", macb_readl(bp, MID),