gpio: ath79: remove support for platform data

There are no more board files defining platform data for this driver so
remove the header and support from the driver.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240821121456.19553-4-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c
index 211faff..de4cc12 100644 (file)
--- a/drivers/gpio/gpio-ath79.c
+++ b/drivers/gpio/gpio-ath79.c
@@ -14,7 +14,6 @@
 #include <linux/irq.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/platform_data/gpio-ath79.h>
 #include <linux/platform_device.h>
 
 #define AR71XX_GPIO_REG_OE             0x00
@@ -225,9 +224,7 @@ MODULE_DEVICE_TABLE(of, ath79_gpio_of_match);
 
 static int ath79_gpio_probe(struct platform_device *pdev)
 {
-       struct ath79_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);
        struct device *dev = &pdev->dev;
-       struct device_node *np = dev->of_node;
        struct ath79_gpio_ctrl *ctrl;
        struct gpio_irq_chip *girq;
        u32 ath79_gpio_count;
@@ -238,21 +235,14 @@ static int ath79_gpio_probe(struct platform_device *pdev)
        if (!ctrl)
                return -ENOMEM;
 
-       if (np) {
-               err = device_property_read_u32(dev, "ngpios", &ath79_gpio_count);
-               if (err) {
-                       dev_err(dev, "ngpios property is not valid\n");
-                       return err;
-               }
-               oe_inverted = device_is_compatible(dev, "qca,ar9340-gpio");
-       } else if (pdata) {
-               ath79_gpio_count = pdata->ngpios;
-               oe_inverted = pdata->oe_inverted;
-       } else {
-               dev_err(dev, "No DT node or platform data found\n");
-               return -EINVAL;
+       err = device_property_read_u32(dev, "ngpios", &ath79_gpio_count);
+       if (err) {
+               dev_err(dev, "ngpios property is not valid\n");
+               return err;
        }
 
+       oe_inverted = device_is_compatible(dev, "qca,ar9340-gpio");
+
        if (ath79_gpio_count >= 32) {
                dev_err(dev, "ngpios must be less than 32\n");
                return -EINVAL;

diff --git a/include/linux/platform_data/gpio-ath79.h b/include/linux/platform_data/gpio-ath79.h
deleted file mode 100644 (file)
index 3ea6dd9..0000000
--- a/include/linux/platform_data/gpio-ath79.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- *  Atheros AR7XXX/AR9XXX GPIO controller platform data
- *
- * Copyright (C) 2015 Alban Bedel <albeu@free.fr>
- */
-
-#ifndef __LINUX_PLATFORM_DATA_GPIO_ATH79_H
-#define __LINUX_PLATFORM_DATA_GPIO_ATH79_H
-
-struct ath79_gpio_platform_data {
-       unsigned ngpios;
-       bool oe_inverted;
-};
-
-#endif