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48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
From 870ed9cae083ff8a60a739ef7e74c5a1800533be Mon Sep 17 00:00:00 2001
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From: Johann Neuhauser <johann@it-neuhauser.de>
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Date: Thu, 17 May 2018 19:12:35 +0200
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Subject: [PATCH] net: lantiq_etop: of mdio
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Signed-off-by: Johann Neuhauser <johann@it-neuhauser.de>
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---
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drivers/net/ethernet/lantiq_etop.c | 555 +++++++++++++++++++++++++-----------
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1 file changed, 389 insertions(+), 166 deletions(-)
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--- a/drivers/net/ethernet/lantiq_etop.c
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+++ b/drivers/net/ethernet/lantiq_etop.c
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@@ -31,6 +31,7 @@
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#include <linux/of_net.h>
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#include <linux/of_irq.h>
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#include <linux/of_platform.h>
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+#include <linux/of_mdio.h>
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#include <asm/checksum.h>
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@@ -561,7 +562,8 @@ static int
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ltq_etop_mdio_init(struct net_device *dev)
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{
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struct ltq_etop_priv *priv = netdev_priv(dev);
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- int err;
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+ struct device_node *mdio_np = NULL;
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+ int err, ret;
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priv->mii_bus = mdiobus_alloc();
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if (!priv->mii_bus) {
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@@ -581,7 +583,15 @@ ltq_etop_mdio_init(struct net_device *de
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priv->mii_bus->name = "ltq_mii";
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snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
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priv->pdev->name, priv->pdev->id);
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- if (mdiobus_register(priv->mii_bus)) {
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+
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+ mdio_np = of_get_child_by_name(priv->pdev->dev.of_node, "mdio-bus");
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+
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+ if (mdio_np)
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+ ret = of_mdiobus_register(priv->mii_bus, mdio_np);
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+ else
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+ ret = mdiobus_register(priv->mii_bus);
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+
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+ if (ret) {
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err = -ENXIO;
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goto err_out_free_mdiobus;
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}
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