net: mac802154: 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.

Acked-by: Stefan Schmidt <[e-mail]>
Signed-off-by: Romain Perier <[e-mail]>
Signed-off-by: Allen Pais <[e-mail]>
Signed-off-by: Jakub Kicinski <[e-mail]>

net/mac802154/main.c

···
 #include "ieee802154_i.h"
 #include "cfg.h"
 
-static void ieee802154_tasklet_handler(unsigned long data)
+static void ieee802154_tasklet_handler(struct tasklet_struct *t)
 {
-	struct ieee802154_local *local = (struct ieee802154_local *)data;
+	struct ieee802154_local *local = from_tasklet(local, t, tasklet);
 	struct sk_buff *skb;
 
 	while ((skb = skb_dequeue(&local->skb_queue))) {
···
 	INIT_LIST_HEAD(&local->interfaces);
 	mutex_init(&local->iflist_mtx);
 
-	tasklet_init(&local->tasklet,
-		     ieee802154_tasklet_handler,
-		     (unsigned long)local);
+	tasklet_setup(&local->tasklet, ieee802154_tasklet_handler);
 
 	skb_queue_head_init(&local->skb_queue);