1 files changed, 0 insertions, 152 deletions
diff --git a/drivers/net/phy/mdio-hisi-femac.c b/drivers/net/phy/mdio-hisi-femac.c
deleted file mode 100644
index f231c2fbb1de..000000000000
--- a/drivers/net/phy/mdio-hisi-femac.c
+++ /dev/null
@@ -1,152 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Hisilicon Fast Ethernet MDIO Bus Driver
- *
- * Copyright (c) 2016 HiSilicon Technologies Co., Ltd.
- */
-
-#include <linux/clk.h>
-#include <linux/iopoll.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/of_mdio.h>
-#include <linux/platform_device.h>
-
-#define MDIO_RWCTRL		0x00
-#define MDIO_RO_DATA		0x04
-#define MDIO_WRITE		BIT(13)
-#define MDIO_RW_FINISH		BIT(15)
-#define BIT_PHY_ADDR_OFFSET	8
-#define BIT_WR_DATA_OFFSET	16
-
-struct hisi_femac_mdio_data {
-	struct clk *clk;
-	void __iomem *membase;
-};
-
-static int hisi_femac_mdio_wait_ready(struct hisi_femac_mdio_data *data)
-{
-	u32 val;
-
-	return readl_poll_timeout(data->membase + MDIO_RWCTRL,
-				  val, val & MDIO_RW_FINISH, 20, 10000);
-}
-
-static int hisi_femac_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
-{
-	struct hisi_femac_mdio_data *data = bus->priv;
-	int ret;
-
-	ret = hisi_femac_mdio_wait_ready(data);
-	if (ret)
-		return ret;
-
-	writel((mii_id << BIT_PHY_ADDR_OFFSET) | regnum,
-	       data->membase + MDIO_RWCTRL);
-
-	ret = hisi_femac_mdio_wait_ready(data);
-	if (ret)
-		return ret;
-
-	return readl(data->membase + MDIO_RO_DATA) & 0xFFFF;
-}
-
-static int hisi_femac_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
-				 u16 value)
-{
-	struct hisi_femac_mdio_data *data = bus->priv;
-	int ret;
-
-	ret = hisi_femac_mdio_wait_ready(data);
-	if (ret)
-		return ret;
-
-	writel(MDIO_WRITE | (value << BIT_WR_DATA_OFFSET) |
-	       (mii_id << BIT_PHY_ADDR_OFFSET) | regnum,
-	       data->membase + MDIO_RWCTRL);
-
-	return hisi_femac_mdio_wait_ready(data);
-}
-
-static int hisi_femac_mdio_probe(struct platform_device *pdev)
-{
-	struct device_node *np = pdev->dev.of_node;
-	struct mii_bus *bus;
-	struct hisi_femac_mdio_data *data;
-	int ret;
-
-	bus = mdiobus_alloc_size(sizeof(*data));
-	if (!bus)
-		return -ENOMEM;
-
-	bus->name = "hisi_femac_mii_bus";
-	bus->read = &hisi_femac_mdio_read;
-	bus->write = &hisi_femac_mdio_write;
-	snprintf(bus->id, MII_BUS_ID_SIZE, "%s", pdev->name);
-	bus->parent = &pdev->dev;
-
-	data = bus->priv;
-	data->membase = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(data->membase)) {
-		ret = PTR_ERR(data->membase);
-		goto err_out_free_mdiobus;
-	}
-
-	data->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(data->clk)) {
-		ret = PTR_ERR(data->clk);
-		goto err_out_free_mdiobus;
-	}
-
-	ret = clk_prepare_enable(data->clk);
-	if (ret)
-		goto err_out_free_mdiobus;
-
-	ret = of_mdiobus_register(bus, np);
-	if (ret)
-		goto err_out_disable_clk;
-
-	platform_set_drvdata(pdev, bus);
-
-	return 0;
-
-err_out_disable_clk:
-	clk_disable_unprepare(data->clk);
-err_out_free_mdiobus:
-	mdiobus_free(bus);
-	return ret;
-}
-
-static int hisi_femac_mdio_remove(struct platform_device *pdev)
-{
-	struct mii_bus *bus = platform_get_drvdata(pdev);
-	struct hisi_femac_mdio_data *data = bus->priv;
-
-	mdiobus_unregister(bus);
-	clk_disable_unprepare(data->clk);
-	mdiobus_free(bus);
-
-	return 0;
-}
-
-static const struct of_device_id hisi_femac_mdio_dt_ids[] = {
-	{ .compatible = "hisilicon,hisi-femac-mdio" },
-	{ }
-};
-MODULE_DEVICE_TABLE(of, hisi_femac_mdio_dt_ids);
-
-static struct platform_driver hisi_femac_mdio_driver = {
-	.probe = hisi_femac_mdio_probe,
-	.remove = hisi_femac_mdio_remove,
-	.driver = {
-		.name = "hisi-femac-mdio",
-		.of_match_table = hisi_femac_mdio_dt_ids,
-	},
-};
-
-module_platform_driver(hisi_femac_mdio_driver);
-
-MODULE_DESCRIPTION("Hisilicon Fast Ethernet MAC MDIO interface driver");
-MODULE_AUTHOR("Dongpo Li <lidongpo@hisilicon.com>");
-MODULE_LICENSE("GPL");