kernel/lantiq: Restore kernel files for v5.15

[openwrt/openwrt.git] / target / linux / lantiq / patches-5.15 / 0701-NET-lantiq-etop-of-mido.patch

diff --git a/target/linux/lantiq/patches-5.15/0701-NET-lantiq-etop-of-mido.patch b/target/linux/lantiq/patches-5.15/0701-NET-lantiq-etop-of-mido.patch
new file mode 100644 (file)
index 0000000..7e49b47
--- /dev/null
+++ b/target/linux/lantiq/patches-5.15/0701-NET-lantiq-etop-of-mido.patch
@@ -0,0 +1,47 @@
+From 870ed9cae083ff8a60a739ef7e74c5a1800533be Mon Sep 17 00:00:00 2001
+From: Johann Neuhauser <johann@it-neuhauser.de>
+Date: Thu, 17 May 2018 19:12:35 +0200
+Subject: [PATCH] net: lantiq_etop: of mdio
+
+Signed-off-by: Johann Neuhauser <johann@it-neuhauser.de>
+---
+ drivers/net/ethernet/lantiq_etop.c |  555 +++++++++++++++++++++++++-----------
+ 1 file changed, 389 insertions(+), 166 deletions(-)
+
+--- a/drivers/net/ethernet/lantiq_etop.c
++++ b/drivers/net/ethernet/lantiq_etop.c
+@@ -30,6 +30,7 @@
+ #include <linux/of_net.h>
+ #include <linux/of_irq.h>
+ #include <linux/of_platform.h>
++#include <linux/of_mdio.h>
+ 
+ #include <asm/checksum.h>
+ 
+@@ -553,7 +554,8 @@ 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) {
+@@ -573,7 +575,15 @@ 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;
+       }