target/linux/ramips/patches-4.4/0511-net-mediatek-add-support-for-the-multiphy-carrier-pa.patch

   1 From 6543b4cef96c12903f5ec5c015cd223a6b3c9a33 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Mon, 14 Dec 2015 21:16:59 +0100
   4 Subject: [PATCH 511/513] net: mediatek: add support for the multiphy carrier
   5  patch
   6
   7 Signed-off-by: John Crispin <blogic@openwrt.org>
   8 ---
   9  drivers/net/ethernet/mediatek/gsw_mt7620.c  |    1 +
  10  drivers/net/ethernet/mediatek/gsw_mt7620.h  |    1 +
  11  drivers/net/ethernet/mediatek/gsw_mt7621.c  |    1 +
  12  drivers/net/ethernet/mediatek/mdio.c        |    1 +
  13  drivers/net/ethernet/mediatek/mdio_mt7620.c |   12 ++++++++++++
  14  5 files changed, 16 insertions(+)
  15
  16 --- a/drivers/net/ethernet/mediatek/gsw_mt7620.c
  17 +++ b/drivers/net/ethernet/mediatek/gsw_mt7620.c
  18 @@ -54,6 +54,7 @@ static irqreturn_t gsw_interrupt_mt7620(
  19
  20                         priv->link[i] = link;
  21                 }
  22 +       mt7620_handle_carrier(priv);
  23         mtk_switch_w32(gsw, status, GSW_REG_ISR);
  24
  25         return IRQ_HANDLED;
  26 --- a/drivers/net/ethernet/mediatek/gsw_mt7620.h
  27 +++ b/drivers/net/ethernet/mediatek/gsw_mt7620.h
  28 @@ -113,5 +113,6 @@ u32 mt7530_mdio_r32(struct mt7620_gsw *g
  29  u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr,
  30                              u32 phy_register, u32 write_data);
  31  u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg);
  32 +void mt7620_handle_carrier(struct fe_priv *priv);
  33
  34  #endif
  35 --- a/drivers/net/ethernet/mediatek/gsw_mt7621.c
  36 +++ b/drivers/net/ethernet/mediatek/gsw_mt7621.c
  37 @@ -60,6 +60,7 @@ static irqreturn_t gsw_interrupt_mt7621(
  38                         }
  39                 }
  40
  41 +       mt7620_handle_carrier(priv);
  42         mt7530_mdio_w32(gsw, 0x700c, 0x1f);
  43
  44         return IRQ_HANDLED;
  45 --- a/drivers/net/ethernet/mediatek/mdio.c
  46 +++ b/drivers/net/ethernet/mediatek/mdio.c
  47 @@ -89,6 +89,7 @@ int fe_connect_phy_node(struct fe_priv *
  48
  49         phydev->supported &= PHY_GBIT_FEATURES;
  50         phydev->advertising = phydev->supported;
  51 +       phydev->no_auto_carrier_off = 1;
  52
  53         dev_info(priv->device,
  54                  "connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
  55 --- a/drivers/net/ethernet/mediatek/mdio_mt7620.c
  56 +++ b/drivers/net/ethernet/mediatek/mdio_mt7620.c
  57 @@ -137,6 +137,17 @@ int mt7620_has_carrier(struct fe_priv *p
  58  }
  59
  60
  61 +void mt7620_handle_carrier(struct fe_priv *priv)
  62 +{
  63 +       if (!priv->phy)
  64 +               return;
  65 +
  66 +       if (mt7620_has_carrier(priv))
  67 +               netif_carrier_on(priv->netdev);
  68 +       else
  69 +               netif_carrier_off(priv->netdev);
  70 +}
  71 +
  72  void mt7620_print_link_state(struct fe_priv *priv, int port, int link,
  73                              int speed, int duplex)
  74  {
  75 @@ -153,4 +164,5 @@ void mt7620_mdio_link_adjust(struct fe_p
  76         mt7620_print_link_state(priv, port, priv->link[port],
  77                                 priv->phy->speed[port],
  78                                 (priv->phy->duplex[port] == DUPLEX_FULL));
  79 +       mt7620_handle_carrier(priv);
  80  }