target/linux/ipq806x/patches-3.18/709-stmac-platform-add-support-for-retreiving-mac-from-m.patch

   1 From 5bf2dabde1fa3af0c9082b42b6847ef3fd198b13 Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jogo@openwrt.org>
   3 Date: Sun, 9 Aug 2015 12:53:55 +0200
   4 Subject: [PATCH] stmac: platform: add support for retreiving mac from mtd
   5
   6 ---
   7  drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 10 ++++++++++
   8  1 file changed, 10 insertions(+)
   9
  10 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
  11 +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
  12 @@ -284,6 +284,7 @@ static int stmmac_pltfr_probe(struct pla
  13         struct stmmac_priv *priv = NULL;
  14         struct plat_stmmacenet_data *plat_dat = NULL;
  15         const char *mac = NULL;
  16 +       u8 mtd_mac[ETH_ALEN] = { };
  17
  18         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  19         addr = devm_ioremap_resource(dev, res);
  20 @@ -313,6 +314,15 @@ static int stmmac_pltfr_probe(struct pla
  21                         pr_err("%s: main dt probe failed", __func__);
  22                         return ret;
  23                 }
  24 +
  25 +               if (!mac) {
  26 +                       ret = of_get_mac_address_mtd(dev->of_node, &mtd_mac);
  27 +                       if (ret == -EPROBE_DEFER)
  28 +                               return ret;
  29 +
  30 +                       if (is_valid_ether_addr(&mtd_mac))
  31 +                               mac = mtd_mac;
  32 +               }
  33         }
  34
  35         /* Custom setup (if needed) */