target/linux/octeon/patches-5.4/700-allocate_interface_by_label.patch

   1 From: Roman Kuzmitskii <damex.pp@icloud.com>
   2 Date: Wed, 28 Oct 2020 19:00:00 +0000
   3 Subject: [PATCH] staging: octeon: add net-labels support
   4
   5 With this patch, device name can be set within dts file
   6 in the same way as dsa port can.
   7
   8 Add label to pip interface node to use this feature:
   9 label = "lan0";
  10
  11 Tested-by: Johannes Kimmel <fff@bareminimum.eu>
  12 Signed-off-by: Roman Kuzmitskii <damex.pp@icloud.com>
  13 --- a/drivers/staging/octeon/ethernet.c
  14 +++ b/drivers/staging/octeon/ethernet.c
  15 @@ -407,9 +407,12 @@
  16  {
  17         struct octeon_ethernet *priv = netdev_priv(dev);
  18         const u8 *mac = NULL;
  19 +       const u8 *label = NULL;
  20
  21 -       if (priv->of_node)
  22 +       if (priv->of_node) {
  23                 mac = of_get_mac_address(priv->of_node);
  24 +               label = of_get_property(priv->of_node, "label", NULL);
  25 +       }
  26
  27         if (!IS_ERR_OR_NULL(mac))
  28                 ether_addr_copy(dev->dev_addr, mac);
  29 @@ -444,6 +447,9 @@
  30         if (dev->netdev_ops->ndo_stop)
  31                 dev->netdev_ops->ndo_stop(dev);
  32
  33 +       if (!IS_ERR_OR_NULL(label))
  34 +               dev_alloc_name(dev, label);
  35 +
  36         return 0;
  37  }
  38