domenico/openwrt-19.07
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domenico
2025-06-24 16:03:39 +02:00
commit f3256cdaf2
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37
target/linux/lantiq/patches-4.14/0701-NET-lantiq-etop-of-mido.patch Normal file
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@@ -0,0 +1,37 @@
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -40,6 +40,7 @@
#include <linux/of_net.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/of_mdio.h>
#include <asm/checksum.h>
@@ -567,7 +568,8 @@ static int
ltq_etop_mdio_init(struct net_device *dev)
{
struct ltq_etop_priv *priv = netdev_priv(dev);
- int err;
+ struct device_node *mdio_np = NULL;
+ int err, ret;
priv->mii_bus = mdiobus_alloc();
if (!priv->mii_bus) {
@@ -587,7 +589,15 @@ ltq_etop_mdio_init(struct net_device *de
priv->mii_bus->name = "ltq_mii";
snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
priv->pdev->name, priv->pdev->id);
- if (mdiobus_register(priv->mii_bus)) {
+
+ mdio_np = of_get_child_by_name(priv->pdev->dev.of_node, "mdio-bus");
+
+ if (mdio_np)
+ ret = of_mdiobus_register(priv->mii_bus, mdio_np);
+ else
+ ret = mdiobus_register(priv->mii_bus);
+
+ if (ret) {
err = -ENXIO;
goto err_out_free_mdiobus;
}