target/linux/layerscape/patches-5.4/701-net-0250-net-mscc-ocelot-refactor-adjust_link-into-a-netdev-i.patch

   1 From f8c221dc7383a50defcc5b96595e092159dbe928 Mon Sep 17 00:00:00 2001
   2 From: Vladimir Oltean <vladimir.oltean@nxp.com>
   3 Date: Sat, 9 Nov 2019 15:02:59 +0200
   4 Subject: [PATCH] net: mscc: ocelot: refactor adjust_link into a
   5  netdev-independent function
   6
   7 This will be called from the Felix DSA frontend, which will work in
   8 PHYLIB compatibility mode initially.
   9
  10 Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
  11 Signed-off-by: David S. Miller <davem@davemloft.net>
  12 ---
  13  drivers/net/ethernet/mscc/ocelot.c | 27 +++++++++++++++++----------
  14  1 file changed, 17 insertions(+), 10 deletions(-)
  15
  16 --- a/drivers/net/ethernet/mscc/ocelot.c
  17 +++ b/drivers/net/ethernet/mscc/ocelot.c
  18 @@ -410,15 +410,13 @@ static u16 ocelot_wm_enc(u16 value)
  19         return value;
  20  }
  21
  22 -static void ocelot_port_adjust_link(struct net_device *dev)
  23 +static void ocelot_adjust_link(struct ocelot *ocelot, int port,
  24 +                              struct phy_device *phydev)
  25  {
  26 -       struct ocelot_port_private *priv = netdev_priv(dev);
  27 -       struct ocelot_port *ocelot_port = &priv->port;
  28 -       struct ocelot *ocelot = ocelot_port->ocelot;
  29 +       struct ocelot_port *ocelot_port = ocelot->ports[port];
  30         int speed, atop_wm, mode = 0;
  31 -       u8 port = priv->chip_port;
  32
  33 -       switch (dev->phydev->speed) {
  34 +       switch (phydev->speed) {
  35         case SPEED_10:
  36                 speed = OCELOT_SPEED_10;
  37                 break;
  38 @@ -434,14 +432,14 @@ static void ocelot_port_adjust_link(stru
  39                 mode = DEV_MAC_MODE_CFG_GIGA_MODE_ENA;
  40                 break;
  41         default:
  42 -               netdev_err(dev, "Unsupported PHY speed: %d\n",
  43 -                          dev->phydev->speed);
  44 +               dev_err(ocelot->dev, "Unsupported PHY speed on port %d: %d\n",
  45 +                       port, phydev->speed);
  46                 return;
  47         }
  48
  49 -       phy_print_status(dev->phydev);
  50 +       phy_print_status(phydev);
  51
  52 -       if (!dev->phydev->link)
  53 +       if (!phydev->link)
  54                 return;
  55
  56         /* Only full duplex supported for now */
  57 @@ -536,6 +534,15 @@ static void ocelot_port_adjust_link(stru
  58         ocelot_write(ocelot, ocelot_wm_enc(atop_wm), SYS_ATOP_TOT_CFG);
  59  }
  60
  61 +static void ocelot_port_adjust_link(struct net_device *dev)
  62 +{
  63 +       struct ocelot_port_private *priv = netdev_priv(dev);
  64 +       struct ocelot *ocelot = priv->port.ocelot;
  65 +       int port = priv->chip_port;
  66 +
  67 +       ocelot_adjust_link(ocelot, port, dev->phydev);
  68 +}
  69 +
  70  static void ocelot_port_enable(struct ocelot *ocelot, int port,
  71                                struct phy_device *phy)
  72  {