1 files changed, 0 insertions, 122 deletions
diff --git a/drivers/net/phy/mdio-mux-multiplexer.c b/drivers/net/phy/mdio-mux-multiplexer.c
deleted file mode 100644
index d6564381aa3e..000000000000
--- a/drivers/net/phy/mdio-mux-multiplexer.c
+++ /dev/null
@@ -1,122 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/* MDIO bus multiplexer using kernel multiplexer subsystem
- *
- * Copyright 2019 NXP
- */
-
-#include <linux/platform_device.h>
-#include <linux/mdio-mux.h>
-#include <linux/module.h>
-#include <linux/mux/consumer.h>
-
-struct mdio_mux_multiplexer_state {
-	struct mux_control *muxc;
-	bool do_deselect;
-	void *mux_handle;
-};
-
-/**
- * mdio_mux_multiplexer_switch_fn - This function is called by the mdio-mux
- *                                  layer when it thinks the mdio bus
- *                                  multiplexer needs to switch.
- * @current_child:  current value of the mux register.
- * @desired_child: value of the 'reg' property of the target child MDIO node.
- * @data: Private data used by this switch_fn passed to mdio_mux_init function
- *        via mdio_mux_init(.., .., .., .., data, ..).
- *
- * The first time this function is called, current_child == -1.
- * If current_child == desired_child, then the mux is already set to the
- * correct bus.
- */
-static int mdio_mux_multiplexer_switch_fn(int current_child, int desired_child,
-					  void *data)
-{
-	struct platform_device *pdev;
-	struct mdio_mux_multiplexer_state *s;
-	int ret = 0;
-
-	pdev = (struct platform_device *)data;
-	s = platform_get_drvdata(pdev);
-
-	if (!(current_child ^ desired_child))
-		return 0;
-
-	if (s->do_deselect)
-		ret = mux_control_deselect(s->muxc);
-	if (ret) {
-		dev_err(&pdev->dev, "mux_control_deselect failed in %s: %d\n",
-			__func__, ret);
-		return ret;
-	}
-
-	ret =  mux_control_select(s->muxc, desired_child);
-	if (!ret) {
-		dev_dbg(&pdev->dev, "%s %d -> %d\n", __func__, current_child,
-			desired_child);
-		s->do_deselect = true;
-	} else {
-		s->do_deselect = false;
-	}
-
-	return ret;
-}
-
-static int mdio_mux_multiplexer_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct mdio_mux_multiplexer_state *s;
-	int ret = 0;
-
-	s = devm_kzalloc(&pdev->dev, sizeof(*s), GFP_KERNEL);
-	if (!s)
-		return -ENOMEM;
-
-	s->muxc = devm_mux_control_get(dev, NULL);
-	if (IS_ERR(s->muxc)) {
-		ret = PTR_ERR(s->muxc);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Failed to get mux: %d\n", ret);
-		return ret;
-	}
-
-	platform_set_drvdata(pdev, s);
-
-	ret = mdio_mux_init(&pdev->dev, pdev->dev.of_node,
-			    mdio_mux_multiplexer_switch_fn, &s->mux_handle,
-			    pdev, NULL);
-
-	return ret;
-}
-
-static int mdio_mux_multiplexer_remove(struct platform_device *pdev)
-{
-	struct mdio_mux_multiplexer_state *s = platform_get_drvdata(pdev);
-
-	mdio_mux_uninit(s->mux_handle);
-
-	if (s->do_deselect)
-		mux_control_deselect(s->muxc);
-
-	return 0;
-}
-
-static const struct of_device_id mdio_mux_multiplexer_match[] = {
-	{ .compatible = "mdio-mux-multiplexer", },
-	{},
-};
-MODULE_DEVICE_TABLE(of, mdio_mux_multiplexer_match);
-
-static struct platform_driver mdio_mux_multiplexer_driver = {
-	.driver = {
-		.name		= "mdio-mux-multiplexer",
-		.of_match_table	= mdio_mux_multiplexer_match,
-	},
-	.probe		= mdio_mux_multiplexer_probe,
-	.remove		= mdio_mux_multiplexer_remove,
-};
-
-module_platform_driver(mdio_mux_multiplexer_driver);
-
-MODULE_DESCRIPTION("MDIO bus multiplexer using kernel multiplexer subsystem");
-MODULE_AUTHOR("Pankaj Bansal <pankaj.bansal@nxp.com>");
-MODULE_LICENSE("GPL");