target/linux : drop many arch

1 files changed, 0 insertions, 219 deletions

diff --git a/target/linux/ar71xx/files/drivers/gpio/gpio-latch.c b/target/linux/ar71xx/files/drivers/gpio/gpio-latch.c
deleted file mode 100644
index 1efa1a1..0000000
--- a/target/linux/ar71xx/files/drivers/gpio/gpio-latch.c
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- *  GPIO latch driver
- *
- *  Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org>
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License version 2 as published
- *  by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/gpio.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-
-#include <linux/platform_data/gpio-latch.h>
-
-struct gpio_latch_chip {
-	struct gpio_chip gc;
-
-	struct mutex mutex;
-	struct mutex latch_mutex;
-	bool latch_enabled;
-	int le_gpio;
-	bool le_active_low;
-	int *gpios;
-};
-
-static inline struct gpio_latch_chip *to_gpio_latch_chip(struct gpio_chip *gc)
-{
-	return container_of(gc, struct gpio_latch_chip, gc);
-}
-
-static void gpio_latch_lock(struct gpio_latch_chip *glc, bool enable)
-{
-	mutex_lock(&glc->mutex);
-
-	if (enable)
-		glc->latch_enabled = true;
-
-	if (glc->latch_enabled)
-		mutex_lock(&glc->latch_mutex);
-}
-
-static void gpio_latch_unlock(struct gpio_latch_chip *glc, bool disable)
-{
-	if (glc->latch_enabled)
-		mutex_unlock(&glc->latch_mutex);
-
-	if (disable)
-		glc->latch_enabled = true;
-
-	mutex_unlock(&glc->mutex);
-}
-
-static int
-gpio_latch_get(struct gpio_chip *gc, unsigned offset)
-{
-	struct gpio_latch_chip *glc = to_gpio_latch_chip(gc);
-	int ret;
-
-	gpio_latch_lock(glc, false);
-	ret = gpio_get_value(glc->gpios[offset]);
-	gpio_latch_unlock(glc, false);
-
-	return ret;
-}
-
-static void
-gpio_latch_set(struct gpio_chip *gc, unsigned offset, int value)
-{
-	struct gpio_latch_chip *glc = to_gpio_latch_chip(gc);
-	bool enable_latch = false;
-	bool disable_latch = false;
-	int gpio;
-
-	gpio = glc->gpios[offset];
-
-	if (gpio == glc->le_gpio) {
-		enable_latch = value ^ glc->le_active_low;
-		disable_latch = !enable_latch;
-	}
-
-	gpio_latch_lock(glc, enable_latch);
-	gpio_set_value(gpio, value);
-	gpio_latch_unlock(glc, disable_latch);
-}
-
-static int
-gpio_latch_direction_input(struct gpio_chip *gc, unsigned offset)
-{
-	struct gpio_latch_chip *glc = to_gpio_latch_chip(gc);
-	int ret;
-
-	gpio_latch_lock(glc, false);
-	ret = gpio_direction_input(glc->gpios[offset]);
-	gpio_latch_unlock(glc, false);
-
-	return ret;
-}
-
-static int
-gpio_latch_direction_output(struct gpio_chip *gc, unsigned offset, int value)
-{
-	struct gpio_latch_chip *glc = to_gpio_latch_chip(gc);
-	bool enable_latch = false;
-	bool disable_latch = false;
-	int gpio;
-	int ret;
-
-	gpio = glc->gpios[offset];
-
-	if (gpio == glc->le_gpio) {
-		enable_latch = value ^ glc->le_active_low;
-		disable_latch = !enable_latch;
-	}
-
-	gpio_latch_lock(glc, enable_latch);
-	ret = gpio_direction_output(gpio, value);
-	gpio_latch_unlock(glc, disable_latch);
-
-	return ret;
-}
-
-static int gpio_latch_probe(struct platform_device *pdev)
-{
-	struct gpio_latch_chip *glc;
-	struct gpio_latch_platform_data *pdata;
-	struct gpio_chip *gc;
-	int size;
-	int ret;
-	int i;
-
-	pdata = dev_get_platdata(&pdev->dev);
-	if (!pdata)
-		return -EINVAL;
-
-	if (pdata->le_gpio_index >= pdata->num_gpios ||
-	    !pdata->num_gpios ||
-	    !pdata->gpios)
-		return -EINVAL;
-
-	for (i = 0; i < pdata->num_gpios; i++) {
-		int gpio = pdata->gpios[i];
-
-		ret = devm_gpio_request(&pdev->dev, gpio,
-					GPIO_LATCH_DRIVER_NAME);
-		if (ret)
-			return ret;
-	}
-
-	glc = devm_kzalloc(&pdev->dev, sizeof(*glc), GFP_KERNEL);
-	if (!glc)
-		return -ENOMEM;
-
-	mutex_init(&glc->mutex);
-	mutex_init(&glc->latch_mutex);
-
-	size = pdata->num_gpios * sizeof(glc->gpios[0]);
-	glc->gpios = devm_kzalloc(&pdev->dev, size , GFP_KERNEL);
-	if (!glc->gpios)
-		return -ENOMEM;
-
-	memcpy(glc->gpios, pdata->gpios, size);
-
-	glc->le_gpio = glc->gpios[pdata->le_gpio_index];
-	glc->le_active_low = pdata->le_active_low;
-
-	gc = &glc->gc;
-
-	gc->label = GPIO_LATCH_DRIVER_NAME;
-	gc->base = pdata->base;
-	gc->can_sleep = true;
-	gc->ngpio = pdata->num_gpios;
-	gc->get = gpio_latch_get;
-	gc->set = gpio_latch_set;
-	gc->direction_input = gpio_latch_direction_input,
-	gc->direction_output = gpio_latch_direction_output;
-
-	platform_set_drvdata(pdev, glc);
-
-	ret = gpiochip_add(&glc->gc);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static int gpio_latch_remove(struct platform_device *pdev)
-{
-	struct gpio_latch_chip *glc = platform_get_drvdata(pdev);
-
-	return gpiochip_remove(&glc->gc);;
-}
-
-
-static struct platform_driver gpio_latch_driver = {
-	.probe = gpio_latch_probe,
-	.remove = gpio_latch_remove,
-	.driver = {
-		.name = GPIO_LATCH_DRIVER_NAME,
-		.owner = THIS_MODULE,
-	},
-};
-
-static int __init gpio_latch_init(void)
-{
-	return platform_driver_register(&gpio_latch_driver);
-}
-
-postcore_initcall(gpio_latch_init);
-
-MODULE_DESCRIPTION("GPIO latch driver");
-MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" GPIO_LATCH_DRIVER_NAME);