1 files changed, 32 insertions, 96 deletions

diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 4333c6e14742..4e4c8daf44c3 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -24,8 +24,10 @@
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/mdio-bitbang.h>
+#include <linux/mdio-gpio.h>
 #include <linux/gpio.h>
-#include <linux/platform_data/mdio-gpio.h>
+#include <linux/gpio/consumer.h>
 
 #include <linux/of_gpio.h>
 #include <linux/of_mdio.h>
@@ -35,37 +37,22 @@ struct mdio_gpio_info {
 	struct gpio_desc *mdc, *mdio, *mdo;
 };
 
-static void *mdio_gpio_of_get_data(struct platform_device *pdev)
+static int mdio_gpio_get_data(struct device *dev,
+			      struct mdio_gpio_info *bitbang)
 {
-	struct device_node *np = pdev->dev.of_node;
-	struct mdio_gpio_platform_data *pdata;
-	enum of_gpio_flags flags;
-	int ret;
-
-	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
-	if (!pdata)
-		return NULL;
-
-	ret = of_get_gpio_flags(np, 0, &flags);
-	if (ret < 0)
-		return NULL;
-
-	pdata->mdc = ret;
-	pdata->mdc_active_low = flags & OF_GPIO_ACTIVE_LOW;
-
-	ret = of_get_gpio_flags(np, 1, &flags);
-	if (ret < 0)
-		return NULL;
-	pdata->mdio = ret;
-	pdata->mdio_active_low = flags & OF_GPIO_ACTIVE_LOW;
-
-	ret = of_get_gpio_flags(np, 2, &flags);
-	if (ret > 0) {
-		pdata->mdo = ret;
-		pdata->mdo_active_low = flags & OF_GPIO_ACTIVE_LOW;
-	}
-
-	return pdata;
+	bitbang->mdc = devm_gpiod_get_index(dev, NULL, MDIO_GPIO_MDC,
+					    GPIOD_OUT_LOW);
+	if (IS_ERR(bitbang->mdc))
+		return PTR_ERR(bitbang->mdc);
+
+	bitbang->mdio = devm_gpiod_get_index(dev, NULL, MDIO_GPIO_MDIO,
+					     GPIOD_IN);
+	if (IS_ERR(bitbang->mdio))
+		return PTR_ERR(bitbang->mdio);
+
+	bitbang->mdo = devm_gpiod_get_index_optional(dev, NULL, MDIO_GPIO_MDO,
+						     GPIOD_OUT_LOW);
+	return PTR_ERR_OR_ZERO(bitbang->mdo);
 }
 
 static void mdio_dir(struct mdiobb_ctrl *ctrl, int dir)
@@ -125,78 +112,28 @@ static const struct mdiobb_ops mdio_gpio_ops = {
 };
 
 static struct mii_bus *mdio_gpio_bus_init(struct device *dev,
-					  struct mdio_gpio_platform_data *pdata,
+					  struct mdio_gpio_info *bitbang,
 					  int bus_id)
 {
 	struct mii_bus *new_bus;
-	struct mdio_gpio_info *bitbang;
-	int i;
-	int mdc, mdio, mdo;
-	unsigned long mdc_flags = GPIOF_OUT_INIT_LOW;
-	unsigned long mdio_flags = GPIOF_DIR_IN;
-	unsigned long mdo_flags = GPIOF_OUT_INIT_HIGH;
-
-	bitbang = devm_kzalloc(dev, sizeof(*bitbang), GFP_KERNEL);
-	if (!bitbang)
-		goto out;
 
 	bitbang->ctrl.ops = &mdio_gpio_ops;
-	bitbang->ctrl.reset = pdata->reset;
-	mdc = pdata->mdc;
-	bitbang->mdc = gpio_to_desc(mdc);
-	if (pdata->mdc_active_low)
-		mdc_flags = GPIOF_OUT_INIT_HIGH | GPIOF_ACTIVE_LOW;
-	mdio = pdata->mdio;
-	bitbang->mdio = gpio_to_desc(mdio);
-	if (pdata->mdio_active_low)
-		mdio_flags |= GPIOF_ACTIVE_LOW;
-	mdo = pdata->mdo;
-	if (mdo) {
-		bitbang->mdo = gpio_to_desc(mdo);
-		if (pdata->mdo_active_low)
-			mdo_flags = GPIOF_OUT_INIT_LOW | GPIOF_ACTIVE_LOW;
-	}
 
 	new_bus = alloc_mdio_bitbang(&bitbang->ctrl);
 	if (!new_bus)
-		goto out;
-
-	new_bus->name = "GPIO Bitbanged MDIO",
+		return NULL;
 
-	new_bus->phy_mask = pdata->phy_mask;
-	new_bus->phy_ignore_ta_mask = pdata->phy_ignore_ta_mask;
-	memcpy(new_bus->irq, pdata->irqs, sizeof(new_bus->irq));
+	new_bus->name = "GPIO Bitbanged MDIO";
 	new_bus->parent = dev;
 
-	if (new_bus->phy_mask == ~0)
-		goto out_free_bus;
-
-	for (i = 0; i < PHY_MAX_ADDR; i++)
-		if (!new_bus->irq[i])
-			new_bus->irq[i] = PHY_POLL;
-
 	if (bus_id != -1)
 		snprintf(new_bus->id, MII_BUS_ID_SIZE, "gpio-%x", bus_id);
 	else
 		strncpy(new_bus->id, "gpio", MII_BUS_ID_SIZE);
 
-	if (devm_gpio_request_one(dev, mdc, mdc_flags, "mdc"))
-		goto out_free_bus;
-
-	if (devm_gpio_request_one(dev, mdio, mdio_flags, "mdio"))
-		goto out_free_bus;
-
-	if (mdo && devm_gpio_request_one(dev, mdo, mdo_flags, "mdo"))
-		goto out_free_bus;
-
 	dev_set_drvdata(dev, new_bus);
 
 	return new_bus;
-
-out_free_bus:
-	free_mdio_bitbang(new_bus);
-out:
-	return NULL;
 }
 
 static void mdio_gpio_bus_deinit(struct device *dev)
@@ -216,34 +153,33 @@ static void mdio_gpio_bus_destroy(struct device *dev)
 
 static int mdio_gpio_probe(struct platform_device *pdev)
 {
-	struct mdio_gpio_platform_data *pdata;
+	struct mdio_gpio_info *bitbang;
 	struct mii_bus *new_bus;
 	int ret, bus_id;
 
+	bitbang = devm_kzalloc(&pdev->dev, sizeof(*bitbang), GFP_KERNEL);
+	if (!bitbang)
+		return -ENOMEM;
+
+	ret = mdio_gpio_get_data(&pdev->dev, bitbang);
+	if (ret)
+		return ret;
+
 	if (pdev->dev.of_node) {
-		pdata = mdio_gpio_of_get_data(pdev);
 		bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
 		if (bus_id < 0) {
 			dev_warn(&pdev->dev, "failed to get alias id\n");
 			bus_id = 0;
 		}
 	} else {
-		pdata = dev_get_platdata(&pdev->dev);
 		bus_id = pdev->id;
 	}
 
-	if (!pdata)
-		return -ENODEV;
-
-	new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, bus_id);
+	new_bus = mdio_gpio_bus_init(&pdev->dev, bitbang, bus_id);
 	if (!new_bus)
 		return -ENODEV;
 
-	if (pdev->dev.of_node)
-		ret = of_mdiobus_register(new_bus, pdev->dev.of_node);
-	else
-		ret = mdiobus_register(new_bus);
-
+	ret = of_mdiobus_register(new_bus, pdev->dev.of_node);
 	if (ret)
 		mdio_gpio_bus_deinit(&pdev->dev);