ath6kl: Add tx_complete() to struct htc_ep_callbacks

This is needed by the USB code. Also while at it replace one void pointer
with a properly typed pointer.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/core.h

@@ -754,7 +754,8 @@ void init_netdev(struct net_device *dev);
 void ath6kl_cookie_init(struct ath6kl *ar);
 void ath6kl_cookie_cleanup(struct ath6kl *ar);
 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet);
-void ath6kl_tx_complete(void *context, struct list_head *packet_queue);
+void ath6kl_tx_complete(struct htc_target *context,
+			struct list_head *packet_queue);
 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
 					       struct htc_packet *packet);
 void ath6kl_stop_txrx(struct ath6kl *ar);

drivers/net/wireless/ath/ath6kl/htc.c

@@ -432,7 +432,7 @@ static void htc_tx_complete(struct htc_endpoint *endpoint,
 		   "htc tx complete ep %d pkts %d\n",
 		   endpoint->eid, get_queue_depth(txq));
 
-	ath6kl_tx_complete(endpoint->target->dev->ar, txq);
+	ath6kl_tx_complete(endpoint->target, txq);
 }
 
 static void htc_tx_comp_handler(struct htc_target *target,

drivers/net/wireless/ath/ath6kl/htc.h

@@ -319,6 +319,7 @@ enum htc_send_full_action {
 };
 
 struct htc_ep_callbacks {
+	void (*tx_complete) (struct htc_target *, struct htc_packet *);
 	void (*rx) (struct htc_target *, struct htc_packet *);
 	void (*rx_refill) (struct htc_target *, enum htc_endpoint_id endpoint);
 	enum htc_send_full_action (*tx_full) (struct htc_target *,

drivers/net/wireless/ath/ath6kl/txrx.c

@@ -666,9 +666,10 @@ static void ath6kl_tx_clear_node_map(struct ath6kl_vif *vif,
 	}
 }
 
-void ath6kl_tx_complete(void *context, struct list_head *packet_queue)
+void ath6kl_tx_complete(struct htc_target *target,
+			struct list_head *packet_queue)
 {
-	struct ath6kl *ar = context;
+	struct ath6kl *ar = target->dev->ar;
 	struct sk_buff_head skb_queue;
 	struct htc_packet *packet;
 	struct sk_buff *skb;