From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/net/ethernet/arc/emac_arc.c | 30 ++++++++++++------------------
1 files changed, 12 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/net/ethernet/arc/emac_arc.c b/kernel/drivers/net/ethernet/arc/emac_arc.c
index ffd1805..800620b 100644
--- a/kernel/drivers/net/ethernet/arc/emac_arc.c
+++ b/kernel/drivers/net/ethernet/arc/emac_arc.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/**
- * emac_arc.c - ARC EMAC specific glue layer
+ * DOC: emac_arc.c - ARC EMAC specific glue layer
*
* Copyright (C) 2014 Romain Perier
*
* Romain Perier <romain.perier@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/etherdevice.h>
@@ -24,14 +15,14 @@
#include "emac.h"
#define DRV_NAME "emac_arc"
-#define DRV_VERSION "1.0"
static int emac_arc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct net_device *ndev;
struct arc_emac_priv *priv;
- int interface, err;
+ phy_interface_t interface;
+ struct net_device *ndev;
+ int err;
if (!dev->of_node)
return -ENODEV;
@@ -44,11 +35,14 @@
priv = netdev_priv(ndev);
priv->drv_name = DRV_NAME;
- priv->drv_version = DRV_VERSION;
- interface = of_get_phy_mode(dev->of_node);
- if (interface < 0)
- interface = PHY_INTERFACE_MODE_MII;
+ err = of_get_phy_mode(dev->of_node, &interface);
+ if (err) {
+ if (err == -ENODEV)
+ interface = PHY_INTERFACE_MODE_MII;
+ else
+ goto out_netdev;
+ }
priv->clk = devm_clk_get(dev, "hclk");
if (IS_ERR(priv->clk)) {
--
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