Merge remote-tracking branch 'regulator/topic/stub' into regulator-next

2 files changed, 39 insertions, 13 deletions

diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 9c049d2cb97..9edecfa1f0f 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -136,6 +136,8 @@ static char mv643xx_eth_driver_version[] = "1.4";
 #define INT_MASK			0x0068
 #define INT_MASK_EXT			0x006c
 #define TX_FIFO_URGENT_THRESHOLD	0x0074
+#define RX_DISCARD_FRAME_CNT		0x0084
+#define RX_OVERRUN_FRAME_CNT		0x0088
 #define TXQ_FIX_PRIO_CONF_MOVED		0x00dc
 #define TX_BW_RATE_MOVED		0x00e0
 #define TX_BW_MTU_MOVED			0x00e8
@@ -334,6 +336,9 @@ struct mib_counters {
 	u32 bad_crc_event;
 	u32 collision;
 	u32 late_collision;
+	/* Non MIB hardware counters */
+	u32 rx_discard;
+	u32 rx_overrun;
 };
 
 struct lro_counters {
@@ -1225,6 +1230,10 @@ static void mib_counters_clear(struct mv643xx_eth_private *mp)
 
 	for (i = 0; i < 0x80; i += 4)
 		mib_read(mp, i);
+
+	/* Clear non MIB hw counters also */
+	rdlp(mp, RX_DISCARD_FRAME_CNT);
+	rdlp(mp, RX_OVERRUN_FRAME_CNT);
 }
 
 static void mib_counters_update(struct mv643xx_eth_private *mp)
@@ -1262,6 +1271,9 @@ static void mib_counters_update(struct mv643xx_eth_private *mp)
 	p->bad_crc_event += mib_read(mp, 0x74);
 	p->collision += mib_read(mp, 0x78);
 	p->late_collision += mib_read(mp, 0x7c);
+	/* Non MIB hardware counters */
+	p->rx_discard += rdlp(mp, RX_DISCARD_FRAME_CNT);
+	p->rx_overrun += rdlp(mp, RX_OVERRUN_FRAME_CNT);
 	spin_unlock_bh(&mp->mib_counters_lock);
 
 	mod_timer(&mp->mib_counters_timer, jiffies + 30 * HZ);
@@ -1413,6 +1425,8 @@ static const struct mv643xx_eth_stats mv643xx_eth_stats[] = {
 	MIBSTAT(bad_crc_event),
 	MIBSTAT(collision),
 	MIBSTAT(late_collision),
+	MIBSTAT(rx_discard),
+	MIBSTAT(rx_overrun),
 	LROSTAT(lro_aggregated),
 	LROSTAT(lro_flushed),
 	LROSTAT(lro_no_desc),
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 18a87a57fc0..33947ac595c 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -2576,6 +2576,7 @@ static int skge_up(struct net_device *dev)
 	}
 
 	/* Initialize MAC */
+	netif_carrier_off(dev);
 	spin_lock_bh(&hw->phy_lock);
 	if (is_genesis(hw))
 		genesis_mac_init(hw, port);
@@ -2797,6 +2798,8 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
 	td->control = BMU_OWN | BMU_SW | BMU_STF | control | len;
 	wmb();
 
+	netdev_sent_queue(dev, skb->len);
+
 	skge_write8(hw, Q_ADDR(txqaddr[skge->port], Q_CSR), CSR_START);
 
 	netif_printk(skge, tx_queued, KERN_DEBUG, skge->netdev,
@@ -2816,11 +2819,9 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
 
 
 /* Free resources associated with this reing element */
-static void skge_tx_free(struct skge_port *skge, struct skge_element *e,
-			 u32 control)
+static inline void skge_tx_unmap(struct pci_dev *pdev, struct skge_element *e,
+				 u32 control)
 {
-	struct pci_dev *pdev = skge->hw->pdev;
-
 	/* skb header vs. fragment */
 	if (control & BMU_STF)
 		pci_unmap_single(pdev, dma_unmap_addr(e, mapaddr),
@@ -2830,13 +2831,6 @@ static void skge_tx_free(struct skge_port *skge, struct skge_element *e,
 		pci_unmap_page(pdev, dma_unmap_addr(e, mapaddr),
 			       dma_unmap_len(e, maplen),
 			       PCI_DMA_TODEVICE);
-
-	if (control & BMU_EOF) {
-		netif_printk(skge, tx_done, KERN_DEBUG, skge->netdev,
-			     "tx done slot %td\n", e - skge->tx_ring.start);
-
-		dev_kfree_skb(e->skb);
-	}
 }
 
 /* Free all buffers in transmit ring */
@@ -2847,10 +2841,15 @@ static void skge_tx_clean(struct net_device *dev)
 
 	for (e = skge->tx_ring.to_clean; e != skge->tx_ring.to_use; e = e->next) {
 		struct skge_tx_desc *td = e->desc;
-		skge_tx_free(skge, e, td->control);
+
+		skge_tx_unmap(skge->hw->pdev, e, td->control);
+
+		if (td->control & BMU_EOF)
+			dev_kfree_skb(e->skb);
 		td->control = 0;
 	}
 
+	netdev_reset_queue(dev);
 	skge->tx_ring.to_clean = e;
 }
 
@@ -3111,6 +3110,7 @@ static void skge_tx_done(struct net_device *dev)
 	struct skge_port *skge = netdev_priv(dev);
 	struct skge_ring *ring = &skge->tx_ring;
 	struct skge_element *e;
+	unsigned int bytes_compl = 0, pkts_compl = 0;
 
 	skge_write8(skge->hw, Q_ADDR(txqaddr[skge->port], Q_CSR), CSR_IRQ_CL_F);
 
@@ -3120,8 +3120,20 @@ static void skge_tx_done(struct net_device *dev)
 		if (control & BMU_OWN)
 			break;
 
-		skge_tx_free(skge, e, control);
+		skge_tx_unmap(skge->hw->pdev, e, control);
+
+		if (control & BMU_EOF) {
+			netif_printk(skge, tx_done, KERN_DEBUG, skge->netdev,
+				     "tx done slot %td\n",
+				     e - skge->tx_ring.start);
+
+			pkts_compl++;
+			bytes_compl += e->skb->len;
+
+			dev_kfree_skb(e->skb);
+		}
 	}
+	netdev_completed_queue(dev, pkts_compl, bytes_compl);
 	skge->tx_ring.to_clean = e;
 
 	/* Can run lockless until we need to synchronize to restart queue. */