target/linux/mvebu/patches-3.14/021-mvneta_support_fixed_links.patch

   1 From 83895bedeee6fbf56d887af4280bf9edcc80da60 Mon Sep 17 00:00:00 2001
   2 From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
   3 Date: Fri, 16 May 2014 16:14:06 +0200
   4 Subject: net: mvneta: add support for fixed links
   5
   6 Following the introduction of of_phy_register_fixed_link(), this patch
   7 introduces fixed link support in the mvneta driver, for Marvell Armada
   8 370/XP SOCs.
   9
  10 Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
  11 Signed-off-by: David S. Miller <davem@davemloft.net>
  12
  13 --- a/drivers/net/ethernet/marvell/mvneta.c
  14 +++ b/drivers/net/ethernet/marvell/mvneta.c
  15 @@ -2808,9 +2808,22 @@ static int mvneta_probe(struct platform_
  16
  17         phy_node = of_parse_phandle(dn, "phy", 0);
  18         if (!phy_node) {
  19 -               dev_err(&pdev->dev, "no associated PHY\n");
  20 -               err = -ENODEV;
  21 -               goto err_free_irq;
  22 +               if (!of_phy_is_fixed_link(dn)) {
  23 +                       dev_err(&pdev->dev, "no PHY specified\n");
  24 +                       err = -ENODEV;
  25 +                       goto err_free_irq;
  26 +               }
  27 +
  28 +               err = of_phy_register_fixed_link(dn);
  29 +               if (err < 0) {
  30 +                       dev_err(&pdev->dev, "cannot register fixed PHY\n");
  31 +                       goto err_free_irq;
  32 +               }
  33 +
  34 +               /* In the case of a fixed PHY, the DT node associated
  35 +                * to the PHY is the Ethernet MAC DT node.
  36 +                */
  37 +               phy_node = dn;
  38         }
  39
  40         phy_mode = of_get_phy_mode(dn);