1 files changed, 16 insertions, 15 deletions

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 4cbebf3d80eb..45b8b22b9987 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -98,10 +98,6 @@ static void set_multicast_list(struct net_device *ndev);
  * detected as not set during a prior frame transmission, then the
  * ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs
  * were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in
- * If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously
- * detected as not set during a prior frame transmission, then the
- * ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs
- * were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in
  * frames not being transmitted until there is a 0-to-1 transition on
  * ENET_TDAR[TDAR].
  */
@@ -385,7 +381,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
          * data.
          */
         bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, bufaddr,
-                        FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE);
+                        skb->len, DMA_TO_DEVICE);
         if (dma_mapping_error(&fep->pdev->dev, bdp->cbd_bufaddr)) {
                 bdp->cbd_bufaddr = 0;
                 fep->tx_skbuff[index] = NULL;
@@ -432,6 +428,8 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
         /* If this was the last BD in the ring, start at the beginning again. */
         bdp = fec_enet_get_nextdesc(bdp, fep);
 
+        skb_tx_timestamp(skb);
+
         fep->cur_tx = bdp;
 
         if (fep->cur_tx == fep->dirty_tx)
@@ -440,8 +438,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
         /* Trigger transmission start */
         writel(0, fep->hwp + FEC_X_DES_ACTIVE);
 
-        skb_tx_timestamp(skb);
-
         return NETDEV_TX_OK;
 }
 
@@ -779,11 +775,10 @@ fec_enet_tx(struct net_device *ndev)
                 else
                         index = bdp - fep->tx_bd_base;
 
-                dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr,
-                                FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE);
-                bdp->cbd_bufaddr = 0;
-
                 skb = fep->tx_skbuff[index];
+                dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, skb->len,
+                                DMA_TO_DEVICE);
+                bdp->cbd_bufaddr = 0;
 
                 /* Check for errors. */
                 if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC |
@@ -2054,6 +2049,8 @@ static void fec_reset_phy(struct platform_device *pdev)
         int err, phy_reset;
         int msec = 1;
         struct device_node *np = pdev->dev.of_node;
+        enum of_gpio_flags flags;
+        bool port;
 
         if (!np)
                 return;
@@ -2063,18 +2060,22 @@ static void fec_reset_phy(struct platform_device *pdev)
         if (msec > 1000)
                 msec = 1;
 
-        phy_reset = of_get_named_gpio(np, "phy-reset-gpios", 0);
+        phy_reset = of_get_named_gpio_flags(np, "phy-reset-gpios", 0, &flags);
         if (!gpio_is_valid(phy_reset))
                 return;
 
-        err = devm_gpio_request_one(&pdev->dev, phy_reset,
-                                    GPIOF_OUT_INIT_LOW, "phy-reset");
+        if (flags & OF_GPIO_ACTIVE_LOW)
+                port = GPIOF_OUT_INIT_LOW;
+        else
+                port = GPIOF_OUT_INIT_HIGH;
+
+        err = devm_gpio_request_one(&pdev->dev, phy_reset, port, "phy-reset");
         if (err) {
                 dev_err(&pdev->dev, "failed to get phy-reset-gpios: %d\n", err);
                 return;
         }
         msleep(msec);
-        gpio_set_value(phy_reset, 1);
+        gpio_set_value(phy_reset, !port);
 }
 #else /* CONFIG_OF */
 static void fec_reset_phy(struct platform_device *pdev)