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authorMoritz Fischer <mdf@kernel.org>2019-02-04 20:30:39 +0300
committerDavid S. Miller <davem@davemloft.net>2019-02-05 21:34:34 +0300
commit8dc0ae90ad02b368ffdbee7a3509750dcd3c1b13 (patch)
tree0370c7ec5914ff7dd49dd011ac7c24b45dc74986 /drivers/net/ethernet/ni
parentdd648818dad3ad5ab5151c7f5ca0bb55a0bf71de (diff)
downloadlinux-8dc0ae90ad02b368ffdbee7a3509750dcd3c1b13.tar.xz
net: nixge: Add support for fixed-link configurations
Add support for fixed-link configurations to nixge driver. Signed-off-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ni')
-rw-r--r--drivers/net/ethernet/ni/nixge.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c
index c8dd1e4c759d..96f7a9818294 100644
--- a/drivers/net/ethernet/ni/nixge.c
+++ b/drivers/net/ethernet/ni/nixge.c
@@ -1282,9 +1282,9 @@ static int nixge_of_get_resources(struct platform_device *pdev)
static int nixge_probe(struct platform_device *pdev)
{
+ struct device_node *mn, *phy_node;
struct nixge_priv *priv;
struct net_device *ndev;
- struct device_node *mn;
const u8 *mac_addr;
int err;
@@ -1353,21 +1353,30 @@ static int nixge_probe(struct platform_device *pdev)
goto unregister_mdio;
}
- priv->phy_node = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
- if (!priv->phy_node) {
- netdev_err(ndev, "not find \"phy-handle\" property\n");
- err = -EINVAL;
- goto unregister_mdio;
+ phy_node = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
+ if (!phy_node && of_phy_is_fixed_link(pdev->dev.of_node)) {
+ err = of_phy_register_fixed_link(pdev->dev.of_node);
+ if (err < 0) {
+ netdev_err(ndev, "broken fixed-link specification\n");
+ goto unregister_mdio;
+ }
+ phy_node = of_node_get(pdev->dev.of_node);
}
+ priv->phy_node = phy_node;
err = register_netdev(priv->ndev);
if (err) {
netdev_err(ndev, "register_netdev() error (%i)\n", err);
- goto unregister_mdio;
+ goto free_phy;
}
return 0;
+free_phy:
+ if (of_phy_is_fixed_link(pdev->dev.of_node))
+ of_phy_deregister_fixed_link(pdev->dev.of_node);
+ of_node_put(phy_node);
+
unregister_mdio:
if (priv->mii_bus)
mdiobus_unregister(priv->mii_bus);
@@ -1385,6 +1394,10 @@ static int nixge_remove(struct platform_device *pdev)
unregister_netdev(ndev);
+ if (of_phy_is_fixed_link(pdev->dev.of_node))
+ of_phy_deregister_fixed_link(pdev->dev.of_node);
+ of_node_put(priv->phy_node);
+
if (priv->mii_bus)
mdiobus_unregister(priv->mii_bus);