---

yaml
---
r: 75561
b: refs/heads/master
c: 0da1b99
h: refs/heads/master
i:
  75559: d7b215e
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 227bc24d675d80de1cfb3ab72891cc932dadbc3b
+refs/heads/master: 0da1b995aee447656c0eb77e4e32468e37f868a3

trunk/drivers/net/ipg.c

@@ -857,21 +857,14 @@ static void init_tfdlist(struct net_device *dev)
 static void ipg_nic_txfree(struct net_device *dev)
 {
 	struct ipg_nic_private *sp = netdev_priv(dev);
-	void __iomem *ioaddr = sp->ioaddr;
-	unsigned int curr;
-	u64 txd_map;
-	unsigned int released, pending;
-
-	txd_map = (u64)sp->txd_map;
-	curr = ipg_r32(TFD_LIST_PTR_0) -
-		do_div(txd_map, sizeof(struct ipg_tx)) - 1;
+	unsigned int released, pending, dirty;
 
 	IPG_DEBUG_MSG("_nic_txfree\n");
 
 	pending = sp->tx_current - sp->tx_dirty;
+	dirty = sp->tx_dirty % IPG_TFDLIST_LENGTH;
 
 	for (released = 0; released < pending; released++) {
-		unsigned int dirty = sp->tx_dirty % IPG_TFDLIST_LENGTH;
 		struct sk_buff *skb = sp->TxBuff[dirty];
 		struct ipg_tx *txfd = sp->txd + dirty;
 
@@ -882,11 +875,8 @@ static void ipg_nic_txfree(struct net_device *dev)
 		 * If the TFDDone bit is set, free the associated
 		 * buffer.
 		 */
-		if (dirty == curr)
-			break;
-
-		/* Setup TFDDONE for compatible issue. */
-		txfd->tfc |= cpu_to_le64(IPG_TFC_TFDDONE);
+		if (!(txfd->tfc & cpu_to_le64(IPG_TFC_TFDDONE)))
+                        break;
 
 		/* Free the transmit buffer. */
 		if (skb) {
@@ -898,6 +888,7 @@ static void ipg_nic_txfree(struct net_device *dev)
 
 			sp->TxBuff[dirty] = NULL;
 		}
+		dirty = (dirty + 1) % IPG_TFDLIST_LENGTH;
 	}
 
 	sp->tx_dirty += released;