Commit a119aec5 authored by Johan Jonker's avatar Johan Jonker Committed by David S. Miller
Browse files

net: ethernet: arc: remove emac_arc driver 



The last real user nSIM_700 of the "snps,arc-emac" compatible string in
a driver was removed in 2019. The use of this string in the combined DT of
rk3066a/rk3188 as place holder has also been replaced, so
remove emac_arc.c to clean up some code.

Signed-off-by: default avatarJohan Jonker <jbx6244@gmail.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Acked-by: default avatarPaolo Abeni <pabeni@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a8bd4d7a

drivers/net/ethernet/arc/Kconfig

+0 −10
Original line number Diff line number Diff line
@@ -23,16 +23,6 @@ config ARC_EMAC_CORE 
	select PHYLIB

	select CRC32



config ARC_EMAC

	tristate "ARC EMAC support"

	select ARC_EMAC_CORE

	depends on OF_IRQ

	depends on ARC || COMPILE_TEST

	help

	  On some legacy ARC (Synopsys) FPGA boards such as ARCAngel4/ML50x

	  non-standard on-chip ethernet device ARC EMAC 10/100 is used.

	  Say Y here if you have such a board.  If unsure, say N.



config EMAC_ROCKCHIP

	tristate "Rockchip EMAC support"

	select ARC_EMAC_CORE

drivers/net/ethernet/arc/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -5,5 +5,4 @@ 


arc_emac-objs := emac_main.o emac_mdio.o

obj-$(CONFIG_ARC_EMAC_CORE) += arc_emac.o

obj-$(CONFIG_ARC_EMAC) += emac_arc.o

obj-$(CONFIG_EMAC_ROCKCHIP) += emac_rockchip.o

drivers/net/ethernet/arc/emac_arc.c

deleted100644 → 0
+0 −88
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later

/**

 * DOC: emac_arc.c - ARC EMAC specific glue layer

 *

 * Copyright (C) 2014 Romain Perier

 *

 * Romain Perier  <romain.perier@gmail.com>

 */



#include <linux/etherdevice.h>

#include <linux/module.h>

#include <linux/of_net.h>

#include <linux/platform_device.h>



#include "emac.h"



#define DRV_NAME    "emac_arc"



static int emac_arc_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

	struct arc_emac_priv *priv;

	phy_interface_t interface;

	struct net_device *ndev;

	int err;



	if (!dev->of_node)

		return -ENODEV;



	ndev = alloc_etherdev(sizeof(struct arc_emac_priv));

	if (!ndev)

		return -ENOMEM;

	platform_set_drvdata(pdev, ndev);

	SET_NETDEV_DEV(ndev, dev);



	priv = netdev_priv(ndev);

	priv->drv_name = DRV_NAME;



	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)) {

		dev_err(dev, "failed to retrieve host clock from device tree\n");

		err = -EINVAL;

		goto out_netdev;

	}



	err = arc_emac_probe(ndev, interface);

out_netdev:

	if (err)

		free_netdev(ndev);

	return err;

}



static void emac_arc_remove(struct platform_device *pdev)

{

	struct net_device *ndev = platform_get_drvdata(pdev);



	arc_emac_remove(ndev);

	free_netdev(ndev);

}



static const struct of_device_id emac_arc_dt_ids[] = {

	{ .compatible = "snps,arc-emac" },

	{ /* Sentinel */ }

};

MODULE_DEVICE_TABLE(of, emac_arc_dt_ids);



static struct platform_driver emac_arc_driver = {

	.probe = emac_arc_probe,

	.remove_new = emac_arc_remove,

	.driver = {

		.name = DRV_NAME,

		.of_match_table  = emac_arc_dt_ids,

	},

};



module_platform_driver(emac_arc_driver);



MODULE_AUTHOR("Romain Perier <romain.perier@gmail.com>");

MODULE_DESCRIPTION("ARC EMAC platform driver");

MODULE_LICENSE("GPL");