---

yaml
---
r: 289888
b: refs/heads/master
c: 9a12349
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cf5046b309b3a05c444a8edba6b44108510b7d7d
+refs/heads/master: 9a12349663061d25b49e6542d005fa7193a2cb44

trunk/drivers/net/can/flexcan.c

@@ -269,7 +269,6 @@ static int flexcan_get_berr_counter(const struct net_device *dev,
 static int flexcan_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	const struct flexcan_priv *priv = netdev_priv(dev);
-	struct net_device_stats *stats = &dev->stats;
 	struct flexcan_regs __iomem *regs = priv->base;
 	struct can_frame *cf = (struct can_frame *)skb->data;
 	u32 can_id;
@@ -299,14 +298,11 @@ static int flexcan_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		flexcan_write(data, &regs->cantxfg[FLEXCAN_TX_BUF_ID].data[1]);
 	}
 
+	can_put_echo_skb(skb, dev, 0);
+
 	flexcan_write(can_id, &regs->cantxfg[FLEXCAN_TX_BUF_ID].can_id);
 	flexcan_write(ctrl, &regs->cantxfg[FLEXCAN_TX_BUF_ID].can_ctrl);
 
-	kfree_skb(skb);
-
-	/* tx_packets is incremented in flexcan_irq */
-	stats->tx_bytes += cf->can_dlc;
-
 	return NETDEV_TX_OK;
 }
 
@@ -609,7 +605,7 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id)
 
 	/* transmission complete interrupt */
 	if (reg_iflag1 & (1 << FLEXCAN_TX_BUF_ID)) {
-		/* tx_bytes is incremented in flexcan_start_xmit */
+		stats->tx_bytes += can_get_echo_skb(dev, 0);
 		stats->tx_packets++;
 		flexcan_write((1 << FLEXCAN_TX_BUF_ID), &regs->iflag1);
 		netif_wake_queue(dev);
@@ -697,12 +693,13 @@ static int flexcan_chip_start(struct net_device *dev)
 	 * only supervisor access
 	 * enable warning int
 	 * choose format C
+	 * disable local echo
 	 *
 	 */
 	reg_mcr = flexcan_read(&regs->mcr);
 	reg_mcr |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_FEN | FLEXCAN_MCR_HALT |
 		FLEXCAN_MCR_SUPV | FLEXCAN_MCR_WRN_EN |
-		FLEXCAN_MCR_IDAM_C;
+		FLEXCAN_MCR_IDAM_C | FLEXCAN_MCR_SRX_DIS;
 	dev_dbg(dev->dev.parent, "%s: writing mcr=0x%08x", __func__, reg_mcr);
 	flexcan_write(reg_mcr, &regs->mcr);
 
@@ -970,15 +967,15 @@ static int __devinit flexcan_probe(struct platform_device *pdev)
 		goto failed_map;
 	}
 
-	dev = alloc_candev(sizeof(struct flexcan_priv), 0);
+	dev = alloc_candev(sizeof(struct flexcan_priv), 1);
 	if (!dev) {
 		err = -ENOMEM;
 		goto failed_alloc;
 	}
 
 	dev->netdev_ops = &flexcan_netdev_ops;
 	dev->irq = irq;
-	dev->flags |= IFF_ECHO; /* we support local echo in hardware */
+	dev->flags |= IFF_ECHO;
 
 	priv = netdev_priv(dev);
 	priv->can.clock.freq = clock_freq;