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: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/arc/Kconfig b/drivers/net/ethernet/arc/Kconfig
index 0a67612af22814819cd4bb370eea5430ee37fd32..0d400a7d8d9152c443b56d0befb5c345fb8709b3 100644 (file)
--- a/drivers/net/ethernet/arc/Kconfig
+++ b/drivers/net/ethernet/arc/Kconfig
@@ -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

diff --git a/drivers/net/ethernet/arc/Makefile b/drivers/net/ethernet/arc/Makefile
index d63ada577c8ea82c5d23c5a35c316de5fd73d75b..23586eefec44c791c81a53c182d16844a15690e0 100644 (file)
--- a/drivers/net/ethernet/arc/Makefile
+++ b/drivers/net/ethernet/arc/Makefile
@@ -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

diff --git a/drivers/net/ethernet/arc/emac_arc.c b/drivers/net/ethernet/arc/emac_arc.c
deleted file mode 100644 (file)
index a3afddb..0000000
--- a/drivers/net/ethernet/arc/emac_arc.c
+++ /dev/null
@@ -1,88 +0,0 @@
-// 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");