net: mdio-gpio: remove linux/platform_data/mdio-gpio.h

Nobody defines struct mdio_gpio_platform_data. Remove platform data
support from mdio-gpio and drop the header.

Signed-off-by: Bartosz Golaszewski <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

MAINTAINERS

···
 F:	include/linux/phy_link_topology.h
 F:	include/linux/phylib_stubs.h
 F:	include/linux/platform_data/mdio-bcm-unimac.h
-F:	include/linux/platform_data/mdio-gpio.h
 F:	include/net/phy/
 F:	include/trace/events/mdio.h
 F:	include/uapi/linux/mdio.h

drivers/net/mdio/mdio-gpio.c

···
 #include <linux/mdio-bitbang.h>
 #include <linux/module.h>
 #include <linux/of_mdio.h>
-#include <linux/platform_data/mdio-gpio.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
···
 					  struct mdio_gpio_info *bitbang,
 					  int bus_id)
 {
-	struct mdio_gpio_platform_data *pdata = dev_get_platdata(dev);
 	struct mii_bus *new_bus;
 
 	bitbang->ctrl.ops = &mdio_gpio_ops;
···
 		snprintf(new_bus->id, sizeof(new_bus->id), "gpio-%x", bus_id);
 	else
 		strscpy(new_bus->id, "gpio", sizeof(new_bus->id));
-
-	if (pdata) {
-		new_bus->phy_mask = pdata->phy_mask;
-		new_bus->phy_ignore_ta_mask = pdata->phy_ignore_ta_mask;
-	}
 
 	if (device_is_compatible(dev, "microchip,mdio-smi0")) {
 		bitbang->ctrl.op_c22_read = 0;

include/linux/platform_data/mdio-gpio.h

···
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * MDIO-GPIO bus platform data structure
- */
-
-#ifndef __LINUX_MDIO_GPIO_PDATA_H
-#define __LINUX_MDIO_GPIO_PDATA_H
-
-struct mdio_gpio_platform_data {
-	u32 phy_mask;
-	u32 phy_ignore_ta_mask;
-};
-
-#endif /* __LINUX_MDIO_GPIO_PDATA_H */