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path: root/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
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Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-mdio.c')
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-mdio.c29
1 files changed, 8 insertions, 21 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
index 363b210560f3..59e267f3f1b7 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
@@ -205,25 +205,16 @@ void xgbe_dump_phy_registers(struct xgbe_prv_data *pdata)
int xgbe_mdio_register(struct xgbe_prv_data *pdata)
{
- struct device_node *phy_node;
struct mii_bus *mii;
struct phy_device *phydev;
int ret = 0;
DBGPR("-->xgbe_mdio_register\n");
- /* Retrieve the phy-handle */
- phy_node = of_parse_phandle(pdata->dev->of_node, "phy-handle", 0);
- if (!phy_node) {
- dev_err(pdata->dev, "unable to parse phy-handle\n");
- return -EINVAL;
- }
-
mii = mdiobus_alloc();
- if (mii == NULL) {
+ if (!mii) {
dev_err(pdata->dev, "mdiobus_alloc failed\n");
- ret = -ENOMEM;
- goto err_node_get;
+ return -ENOMEM;
}
/* Register on the MDIO bus (don't probe any PHYs) */
@@ -252,18 +243,19 @@ int xgbe_mdio_register(struct xgbe_prv_data *pdata)
request_module(MDIO_MODULE_PREFIX MDIO_ID_FMT,
MDIO_ID_ARGS(phydev->c45_ids.device_ids[MDIO_MMD_PCS]));
- of_node_get(phy_node);
- phydev->dev.of_node = phy_node;
ret = phy_device_register(phydev);
if (ret) {
dev_err(pdata->dev, "phy_device_register failed\n");
- of_node_put(phy_node);
+ goto err_phy_device;
+ }
+ if (!phydev->dev.driver) {
+ dev_err(pdata->dev, "phy driver probe failed\n");
+ ret = -EIO;
goto err_phy_device;
}
/* Add a reference to the PHY driver so it can't be unloaded */
- pdata->phy_module = phydev->dev.driver ?
- phydev->dev.driver->owner : NULL;
+ pdata->phy_module = phydev->dev.driver->owner;
if (!try_module_get(pdata->phy_module)) {
dev_err(pdata->dev, "try_module_get failed\n");
ret = -EIO;
@@ -283,8 +275,6 @@ int xgbe_mdio_register(struct xgbe_prv_data *pdata)
pdata->phydev = phydev;
- of_node_put(phy_node);
-
DBGPHY_REGS(pdata);
DBGPR("<--xgbe_mdio_register\n");
@@ -300,9 +290,6 @@ err_mdiobus_register:
err_mdiobus_alloc:
mdiobus_free(mii);
-err_node_get:
- of_node_put(phy_node);
-
return ret;
}