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gpio: ath79: remove support for platform data

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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>
This commit is contained in:
Bartosz Golaszewski 2024-08-21 14:14:56 +02:00
parent 10a968b21b
commit c4a315eaf8
2 changed files with 6 additions and 32 deletions
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22
drivers/gpio/gpio-ath79.c
View File

@ -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;

16
include/linux/platform_data/gpio-ath79.h
View File

@ -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