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Date: Tue, 18 Jun 2024 18:14:14 +0200
From: Johan Jonker <jbx6244@...il.com>
To: heiko@...ech.de
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
netdev@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/3] 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@...il.com>
---
[PATCH 8/8] ARC: nSIM_700: remove unused network options
https://lore.kernel.org/all/20191023124417.5770-9-Eugeniy.Paltsev@synopsys.com/
---
drivers/net/ethernet/arc/Kconfig | 10 ----
drivers/net/ethernet/arc/Makefile | 1 -
drivers/net/ethernet/arc/emac_arc.c | 88 -----------------------------
3 files changed, 99 deletions(-)
delete mode 100644 drivers/net/ethernet/arc/emac_arc.c
diff --git a/drivers/net/ethernet/arc/Kconfig b/drivers/net/ethernet/arc/Kconfig
index 0a67612af228..0d400a7d8d91 100644
--- 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 d63ada577c8e..23586eefec44 100644
--- 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
index a3afddb23ee8..000000000000
--- 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@...il.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@...il.com>");
-MODULE_DESCRIPTION("ARC EMAC platform driver");
-MODULE_LICENSE("GPL");
--
2.39.2
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