add stmac read mac form eeprom

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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/net/ethernet/arc/emac_main.c
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@@ -1,9 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2004-2013 Synopsys, Inc. (www.synopsys.com)
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  * Driver for the ARC EMAC 10100 (hardware revision 5)
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  *
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@@ -95,7 +92,6 @@
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 	struct arc_emac_priv *priv = netdev_priv(ndev);
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 	strlcpy(info->driver, priv->drv_name, sizeof(info->driver));
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-	strlcpy(info->version, priv->drv_version, sizeof(info->version));
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 }
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 static const struct ethtool_ops arc_emac_ethtool_ops = {
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@@ -144,11 +140,11 @@
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 			stats->tx_bytes += skb->len;
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 		}
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-		dma_unmap_single(&ndev->dev, dma_unmap_addr(tx_buff, addr),
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+		dma_unmap_single(ndev->dev.parent, dma_unmap_addr(tx_buff, addr),
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 				 dma_unmap_len(tx_buff, len), DMA_TO_DEVICE);
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 		/* return the sk_buff to system */
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-		dev_kfree_skb_irq(skb);
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+		dev_consume_skb_irq(skb);
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 		txbd->data = 0;
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 		txbd->info = 0;
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@@ -227,9 +223,9 @@
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 			continue;
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 		}
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-		addr = dma_map_single(&ndev->dev, (void *)skb->data,
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+		addr = dma_map_single(ndev->dev.parent, (void *)skb->data,
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 				      EMAC_BUFFER_SIZE, DMA_FROM_DEVICE);
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-		if (dma_mapping_error(&ndev->dev, addr)) {
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+		if (dma_mapping_error(ndev->dev.parent, addr)) {
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 			if (net_ratelimit())
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 				netdev_err(ndev, "cannot map dma buffer\n");
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 			dev_kfree_skb(skb);
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@@ -241,7 +237,7 @@
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 		}
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 		/* unmap previosly mapped skb */
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-		dma_unmap_single(&ndev->dev, dma_unmap_addr(rx_buff, addr),
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+		dma_unmap_single(ndev->dev.parent, dma_unmap_addr(rx_buff, addr),
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 				 dma_unmap_len(rx_buff, len), DMA_FROM_DEVICE);
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 		pktlen = info & LEN_MASK;
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@@ -431,7 +427,8 @@
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 	phy_dev->autoneg = AUTONEG_ENABLE;
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 	phy_dev->speed = 0;
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 	phy_dev->duplex = 0;
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-	phy_dev->advertising &= phy_dev->supported;
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+	linkmode_and(phy_dev->advertising, phy_dev->advertising,
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+		     phy_dev->supported);
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 	priv->last_rx_bd = 0;
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@@ -447,9 +444,9 @@
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 		if (unlikely(!rx_buff->skb))
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 			return -ENOMEM;
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-		addr = dma_map_single(&ndev->dev, (void *)rx_buff->skb->data,
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+		addr = dma_map_single(ndev->dev.parent, (void *)rx_buff->skb->data,
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 				      EMAC_BUFFER_SIZE, DMA_FROM_DEVICE);
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-		if (dma_mapping_error(&ndev->dev, addr)) {
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+		if (dma_mapping_error(ndev->dev.parent, addr)) {
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 			netdev_err(ndev, "cannot dma map\n");
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 			dev_kfree_skb(rx_buff->skb);
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 			return -ENOMEM;
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@@ -557,7 +554,7 @@
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 		struct buffer_state *tx_buff = &priv->tx_buff[i];
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 		if (tx_buff->skb) {
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-			dma_unmap_single(&ndev->dev,
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+			dma_unmap_single(ndev->dev.parent,
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 					 dma_unmap_addr(tx_buff, addr),
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 					 dma_unmap_len(tx_buff, len),
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 					 DMA_TO_DEVICE);
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@@ -588,7 +585,7 @@
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 		struct buffer_state *rx_buff = &priv->rx_buff[i];
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 		if (rx_buff->skb) {
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-			dma_unmap_single(&ndev->dev,
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+			dma_unmap_single(ndev->dev.parent,
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 					 dma_unmap_addr(rx_buff, addr),
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 					 dma_unmap_len(rx_buff, len),
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 					 DMA_FROM_DEVICE);
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@@ -675,7 +672,7 @@
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  *
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  * This function is invoked from upper layers to initiate transmission.
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  */
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-static int arc_emac_tx(struct sk_buff *skb, struct net_device *ndev)
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+static netdev_tx_t arc_emac_tx(struct sk_buff *skb, struct net_device *ndev)
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 {
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 	struct arc_emac_priv *priv = netdev_priv(ndev);
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 	unsigned int len, *txbd_curr = &priv->txbd_curr;
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@@ -696,10 +693,10 @@
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 		return NETDEV_TX_BUSY;
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 	}
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-	addr = dma_map_single(&ndev->dev, (void *)skb->data, len,
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+	addr = dma_map_single(ndev->dev.parent, (void *)skb->data, len,
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 			      DMA_TO_DEVICE);
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-	if (unlikely(dma_mapping_error(&ndev->dev, addr))) {
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+	if (unlikely(dma_mapping_error(ndev->dev.parent, addr))) {
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 		stats->tx_dropped++;
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 		stats->tx_errors++;
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 		dev_kfree_skb_any(skb);
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@@ -784,18 +781,6 @@
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 	return 0;
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 }
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-static int arc_emac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
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-{
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-	if (!netif_running(dev))
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-		return -EINVAL;
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-
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-	if (!dev->phydev)
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-		return -ENODEV;
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-
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-	return phy_mii_ioctl(dev->phydev, rq, cmd);
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-}
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-
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-
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 /**
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  * arc_emac_restart - Restart EMAC
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  * @ndev:	Pointer to net_device structure.
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@@ -860,7 +845,7 @@
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 	.ndo_set_mac_address	= arc_emac_set_address,
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 	.ndo_get_stats		= arc_emac_stats,
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 	.ndo_set_rx_mode	= arc_emac_set_rx_mode,
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-	.ndo_do_ioctl		= arc_emac_ioctl,
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+	.ndo_do_ioctl		= phy_do_ioctl_running,
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 #ifdef CONFIG_NET_POLL_CONTROLLER
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 	.ndo_poll_controller	= arc_emac_poll_controller,
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 #endif
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@@ -960,8 +945,8 @@
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 	/* Get MAC address from device tree */
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 	mac_addr = of_get_mac_address(dev->of_node);
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-	if (mac_addr)
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-		memcpy(ndev->dev_addr, mac_addr, ETH_ALEN);
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+	if (!IS_ERR(mac_addr))
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+		ether_addr_copy(ndev->dev_addr, mac_addr);
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 	else
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 		eth_hw_addr_random(ndev);
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