diff options
Diffstat (limited to 'drivers/net/phy/xilinx_gmii2rgmii.c')
| -rw-r--r-- | drivers/net/phy/xilinx_gmii2rgmii.c | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c index 151c2a3f0b3a..8dcb49ed1f3d 100644 --- a/drivers/net/phy/xilinx_gmii2rgmii.c +++ b/drivers/net/phy/xilinx_gmii2rgmii.c @@ -27,12 +27,28 @@ struct gmii2rgmii { struct mdio_device *mdio; }; -static int xgmiitorgmii_read_status(struct phy_device *phydev) +static void xgmiitorgmii_configure(struct gmii2rgmii *priv, int speed) { - struct gmii2rgmii *priv = mdiodev_get_drvdata(&phydev->mdio); struct mii_bus *bus = priv->mdio->bus; int addr = priv->mdio->addr; - u16 val = 0; + u16 val; + + val = mdiobus_read(bus, addr, XILINX_GMII2RGMII_REG); + val &= ~XILINX_GMII2RGMII_SPEED_MASK; + + if (speed == SPEED_1000) + val |= BMCR_SPEED1000; + else if (speed == SPEED_100) + val |= BMCR_SPEED100; + else + val |= BMCR_SPEED10; + + mdiobus_write(bus, addr, XILINX_GMII2RGMII_REG, val); +} + +static int xgmiitorgmii_read_status(struct phy_device *phydev) +{ + struct gmii2rgmii *priv = mdiodev_get_drvdata(&phydev->mdio); int err; if (priv->phy_drv->read_status) @@ -42,17 +58,24 @@ static int xgmiitorgmii_read_status(struct phy_device *phydev) if (err < 0) return err; - val = mdiobus_read(bus, addr, XILINX_GMII2RGMII_REG); - val &= ~XILINX_GMII2RGMII_SPEED_MASK; + xgmiitorgmii_configure(priv, phydev->speed); - if (phydev->speed == SPEED_1000) - val |= BMCR_SPEED1000; - else if (phydev->speed == SPEED_100) - val |= BMCR_SPEED100; + return 0; +} + +static int xgmiitorgmii_set_loopback(struct phy_device *phydev, bool enable) +{ + struct gmii2rgmii *priv = mdiodev_get_drvdata(&phydev->mdio); + int err; + + if (priv->phy_drv->set_loopback) + err = priv->phy_drv->set_loopback(phydev, enable); else - val |= BMCR_SPEED10; + err = genphy_loopback(phydev, enable); + if (err < 0) + return err; - mdiobus_write(bus, addr, XILINX_GMII2RGMII_REG, val); + xgmiitorgmii_configure(priv, phydev->speed); return 0; } @@ -90,6 +113,7 @@ static int xgmiitorgmii_probe(struct mdio_device *mdiodev) memcpy(&priv->conv_phy_drv, priv->phy_dev->drv, sizeof(struct phy_driver)); priv->conv_phy_drv.read_status = xgmiitorgmii_read_status; + priv->conv_phy_drv.set_loopback = xgmiitorgmii_set_loopback; mdiodev_set_drvdata(&priv->phy_dev->mdio, priv); priv->phy_dev->drv = &priv->conv_phy_drv; |