target/linux/layerscape/patches-5.4/701-net-0227-enetc-Fix-if_mode-extraction.patch

   1 From 7b75e86c2cfc9fa48b582b04e939f18a54bdfa2e Mon Sep 17 00:00:00 2001
   2 From: Claudiu Manoil <claudiu.manoil@nxp.com>
   3 Date: Tue, 13 Aug 2019 13:59:24 +0300
   4 Subject: [PATCH] enetc: Fix if_mode extraction
   5
   6 If if_mode not found then just handle it as fixed link
   7 (i.e mac2mac connection).
   8
   9 Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
  10 ---
  11  drivers/net/ethernet/freescale/enetc/enetc_pf.c | 17 ++++++-----------
  12  1 file changed, 6 insertions(+), 11 deletions(-)
  13
  14 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c
  15 +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c
  16 @@ -754,6 +754,7 @@ static int enetc_of_get_phy(struct enetc
  17         struct enetc_pf *pf = enetc_si_priv(priv->si);
  18         struct device_node *np = priv->dev->of_node;
  19         struct device_node *mdio_np;
  20 +       int phy_mode;
  21         int err;
  22
  23         if (!np) {
  24 @@ -787,17 +788,11 @@ static int enetc_of_get_phy(struct enetc
  25                 }
  26         }
  27
  28 -       priv->if_mode = of_get_phy_mode(np);
  29 -       if ((int)priv->if_mode < 0) {
  30 -               dev_err(priv->dev, "missing phy type\n");
  31 -               of_node_put(priv->phy_node);
  32 -               if (of_phy_is_fixed_link(np))
  33 -                       of_phy_deregister_fixed_link(np);
  34 -               else
  35 -                       enetc_mdio_remove(pf);
  36 -
  37 -               return -EINVAL;
  38 -       }
  39 +       phy_mode = of_get_phy_mode(np);
  40 +       if (phy_mode < 0)
  41 +               priv->if_mode = PHY_INTERFACE_MODE_NA; /* fixed link */
  42 +       else
  43 +               priv->if_mode = phy_mode;
  44
  45         return 0;
  46  }