update all kernel versions

1 files changed, 0 insertions, 290 deletions

diff --git a/target/mips/dragino-ms14s/patches/3.14.17/0008-gpio-add-GPIO-latch-driver.patch b/target/mips/dragino-ms14s/patches/3.14.17/0008-gpio-add-GPIO-latch-driver.patch
deleted file mode 100644
index 188cec3b2..000000000
--- a/target/mips/dragino-ms14s/patches/3.14.17/0008-gpio-add-GPIO-latch-driver.patch
+++ /dev/null
@@ -1,290 +0,0 @@
-From dd93d7e5b6530f1574860776fe6f960c4fd2661d Mon Sep 17 00:00:00 2001
-From: Phil Sutter <phil@nwl.cc>
-Date: Tue, 13 May 2014 00:21:54 +0200
-Subject: [PATCH] gpio: add GPIO latch driver
-
----
- drivers/gpio/Kconfig                     |   7 +
- drivers/gpio/Makefile                    |   1 +
- drivers/gpio/gpio-latch.c                | 219 +++++++++++++++++++++++++++++++
- include/linux/platform_data/gpio-latch.h |  14 ++
- 4 files changed, 241 insertions(+)
- create mode 100644 drivers/gpio/gpio-latch.c
- create mode 100644 include/linux/platform_data/gpio-latch.h
-
-diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
-index 903f24d..905730b 100644
---- a/drivers/gpio/Kconfig
-+++ b/drivers/gpio/Kconfig
-@@ -834,4 +834,11 @@ config GPIO_VIPERBOARD
-           River Tech's viperboard.h for detailed meaning
-           of the module parameters.
- 
-+comment "Other GPIO expanders"
-+
-+config GPIO_LATCH
-+	tristate "GPIO latch driver"
-+	help
-+	  Say yes here to enable a GPIO latch driver.
-+
- endif
-diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
-index 5d50179..7d03524 100644
---- a/drivers/gpio/Makefile
-+++ b/drivers/gpio/Makefile
-@@ -36,6 +36,7 @@ obj-$(CONFIG_GPIO_KEMPLD)	+= gpio-kempld.o
- obj-$(CONFIG_ARCH_KS8695)	+= gpio-ks8695.o
- obj-$(CONFIG_GPIO_INTEL_MID)	+= gpio-intel-mid.o
- obj-$(CONFIG_GPIO_LP3943)	+= gpio-lp3943.o
-+obj-$(CONFIG_GPIO_LATCH)	+= gpio-latch.o
- obj-$(CONFIG_ARCH_LPC32XX)	+= gpio-lpc32xx.o
- obj-$(CONFIG_GPIO_LYNXPOINT)	+= gpio-lynxpoint.o
- obj-$(CONFIG_GPIO_MAX730X)	+= gpio-max730x.o
-diff --git a/drivers/gpio/gpio-latch.c b/drivers/gpio/gpio-latch.c
-new file mode 100644
-index 0000000..1efa1a1
---- /dev/null
-+++ b/drivers/gpio/gpio-latch.c
-@@ -0,0 +1,219 @@
-+/*
-+ *  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);
-diff --git a/include/linux/platform_data/gpio-latch.h b/include/linux/platform_data/gpio-latch.h
-new file mode 100644
-index 0000000..0450e67
---- /dev/null
-+++ b/include/linux/platform_data/gpio-latch.h
-@@ -0,0 +1,14 @@
-+#ifndef _GPIO_LATCH_H_
-+#define _GPIO_LATCH_H_
-+
-+#define GPIO_LATCH_DRIVER_NAME	"gpio-latch"
-+
-+struct gpio_latch_platform_data {
-+	int base;
-+	int num_gpios;
-+	int *gpios;
-+	int le_gpio_index;
-+	bool le_active_low;
-+};
-+
-+#endif /* _GPIO_LATCH_H_ */
--- 
-1.8.5.3
-