add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/ethernet/ethoc.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * linux/drivers/net/ethernet/ethoc.c
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  *
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  * Copyright (C) 2007-2008 Avionic Design Development GmbH
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  * Copyright (C) 2008-2009 Avionic Design GmbH
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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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  * Written by Thierry Reding <thierry.reding@avionic-design.de>
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  */
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@@ -180,6 +177,7 @@
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  * struct ethoc - driver-private device structure
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  * @iobase:	pointer to I/O memory region
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  * @membase:	pointer to buffer memory region
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+ * @big_endian: just big or little (endian)
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  * @num_bd:	number of buffer descriptors
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  * @num_tx:	number of send buffers
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  * @cur_tx:	last send buffer written
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@@ -192,7 +190,10 @@
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  * @msg_enable:	device state flags
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  * @lock:	device lock
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  * @mdio:	MDIO bus for PHY access
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+ * @clk:	clock
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  * @phy_id:	address of attached PHY
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+ * @old_link:	previous link info
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+ * @old_duplex: previous duplex info
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  */
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 struct ethoc {
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 	void __iomem *iobase;
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@@ -721,10 +722,7 @@
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 		return err;
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 	}
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-	phy->advertising &= ~(ADVERTISED_1000baseT_Full |
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-			      ADVERTISED_1000baseT_Half);
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-	phy->supported &= ~(SUPPORTED_1000baseT_Full |
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-			    SUPPORTED_1000baseT_Half);
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+	phy_set_max_speed(phy, SPEED_100);
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 	return 0;
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 }
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@@ -875,7 +873,7 @@
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 	return -ENOSYS;
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 }
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-static void ethoc_tx_timeout(struct net_device *dev)
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+static void ethoc_tx_timeout(struct net_device *dev, unsigned int txqueue)
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 {
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 	struct ethoc *priv = netdev_priv(dev);
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 	u32 pending = ethoc_read(priv, INT_SOURCE);
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@@ -1021,7 +1019,7 @@
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 /**
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  * ethoc_probe - initialize OpenCores ethernet MAC
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- * pdev:	platform device
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+ * @pdev:	platform device
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  */
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 static int ethoc_probe(struct platform_device *pdev)
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 {
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@@ -1093,7 +1091,7 @@
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 	priv = netdev_priv(netdev);
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 	priv->netdev = netdev;
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-	priv->iobase = devm_ioremap_nocache(&pdev->dev, netdev->base_addr,
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+	priv->iobase = devm_ioremap(&pdev->dev, netdev->base_addr,
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 			resource_size(mmio));
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 	if (!priv->iobase) {
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 		dev_err(&pdev->dev, "cannot remap I/O memory space\n");
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@@ -1102,7 +1100,7 @@
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 	}
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 	if (netdev->mem_end) {
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-		priv->membase = devm_ioremap_nocache(&pdev->dev,
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+		priv->membase = devm_ioremap(&pdev->dev,
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 			netdev->mem_start, resource_size(mem));
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 		if (!priv->membase) {
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 			dev_err(&pdev->dev, "cannot remap memory space\n");
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@@ -1156,7 +1154,7 @@
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 		const void *mac;
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 		mac = of_get_mac_address(pdev->dev.of_node);
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-		if (mac)
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+		if (!IS_ERR(mac))
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 			ether_addr_copy(netdev->dev_addr, mac);
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 		priv->phy_id = -1;
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 	}