liquidio: Moved common function list_delete_head to octeon_network.h

Moved common function list_delete_head to octeon_network.h
and renamed it to lio_list_delete_head

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/cavium/liquidio/lio_main.c

@@ -541,25 +541,6 @@ static inline int check_txq_status(struct lio *lio)
 	return ret_val;
 }
 
-/**
- * Remove the node at the head of the list. The list would be empty at
- * the end of this call if there are no more nodes in the list.
- */
-static inline struct list_head *list_delete_head(struct list_head *root)
-{
-	struct list_head *node;
-
-	if ((root->prev == root) && (root->next == root))
-		node = NULL;
-	else
-		node = root->next;
-
-	if (node)
-		list_del(node);
-
-	return node;
-}
-
 /**
  * \brief Delete gather lists
  * @param lio per-network private data
@@ -578,7 +559,7 @@ static void delete_glists(struct lio *lio)
 	for (i = 0; i < lio->linfo.num_txpciq; i++) {
 		do {
 			g = (struct octnic_gather *)
-				list_delete_head(&lio->glist[i]);
+				lio_list_delete_head(&lio->glist[i]);
 			if (g)
 				kfree(g);
 		} while (g);
@@ -2590,7 +2571,7 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev)
 
 		spin_lock(&lio->glist_lock[q_idx]);
 		g = (struct octnic_gather *)
-			list_delete_head(&lio->glist[q_idx]);
+			lio_list_delete_head(&lio->glist[q_idx]);
 		spin_unlock(&lio->glist_lock[q_idx]);
 
 		if (!g) {

drivers/net/ethernet/cavium/liquidio/lio_vf_main.c

@@ -284,25 +284,6 @@ static struct pci_driver liquidio_vf_pci_driver = {
 	.err_handler	= &liquidio_vf_err_handler,    /* For AER */
 };
 
-/**
- * Remove the node at the head of the list. The list would be empty at
- * the end of this call if there are no more nodes in the list.
- */
-static struct list_head *list_delete_head(struct list_head *root)
-{
-	struct list_head *node;
-
-	if ((root->prev == root) && (root->next == root))
-		node = NULL;
-	else
-		node = root->next;
-
-	if (node)
-		list_del(node);
-
-	return node;
-}
-
 /**
  * \brief Delete gather lists
  * @param lio per-network private data
@@ -321,7 +302,7 @@ static void delete_glists(struct lio *lio)
 	for (i = 0; i < lio->linfo.num_txpciq; i++) {
 		do {
 			g = (struct octnic_gather *)
-			    list_delete_head(&lio->glist[i]);
+			    lio_list_delete_head(&lio->glist[i]);
 			kfree(g);
 		} while (g);
 
@@ -1644,8 +1625,8 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev)
 		int i, frags;
 
 		spin_lock(&lio->glist_lock[q_idx]);
-		g = (struct octnic_gather *)list_delete_head(
-		    &lio->glist[q_idx]);
+		g = (struct octnic_gather *)
+			lio_list_delete_head(&lio->glist[q_idx]);
 		spin_unlock(&lio->glist_lock[q_idx]);
 
 		if (!g) {

drivers/net/ethernet/cavium/liquidio/octeon_network.h

@@ -565,4 +565,23 @@ static inline int skb_iq(struct lio *lio, struct sk_buff *skb)
 	return skb->queue_mapping % lio->linfo.num_txpciq;
 }
 
+/**
+ * Remove the node at the head of the list. The list would be empty at
+ * the end of this call if there are no more nodes in the list.
+ */
+static inline struct list_head *lio_list_delete_head(struct list_head *root)
+{
+	struct list_head *node;
+
+	if (root->prev == root && root->next == root)
+		node = NULL;
+	else
+		node = root->next;
+
+	if (node)
+		list_del(node);
+
+	return node;
+}
+
 #endif