deduplicate kernel source files from 2.6.30-2.6.32 by moving them to generic files/

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18927 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 1226 insertions, 0 deletions

diff --git a/target/linux/generic-2.6/files/drivers/char/gpio_dev.c b/target/linux/generic-2.6/files/drivers/char/gpio_dev.c
new file mode 100644
index 000000000..8392fcf2d
--- /dev/null
+++ b/target/linux/generic-2.6/files/drivers/char/gpio_dev.c
@@ -0,0 +1,201 @@
+/*
+ * character device wrapper for generic gpio layer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
+ *
+ * Feedback, Bugs...  blogic@openwrt.org
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/atomic.h>
+#include <linux/init.h>
+#include <linux/genhd.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio_dev.h>
+
+#define DRVNAME		"gpiodev"
+#define DEVNAME		"gpio"
+
+static int dev_major;
+static unsigned int gpio_access_mask;
+static struct class *gpiodev_class;
+
+/* Counter is 1, if the device is not opened and zero (or less) if opened. */
+static atomic_t gpio_open_cnt = ATOMIC_INIT(1);
+
+static int
+gpio_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
+{
+	int retval = 0;
+
+	if (((1 << arg) & gpio_access_mask) != (1 << arg))
+	{
+		retval = -EINVAL;
+		goto out;
+	}
+
+	switch (cmd)
+	{
+	case GPIO_GET:
+		retval = gpio_get_value(arg);
+		break;
+
+	case GPIO_SET:
+		gpio_set_value(arg, 1);
+		break;
+
+	case GPIO_CLEAR:
+		gpio_set_value(arg, 0);
+		break;
+
+	case GPIO_DIR_IN:
+		gpio_direction_input(arg);
+		break;
+
+	case GPIO_DIR_OUT:
+		gpio_direction_output(arg, 0);
+		break;
+
+	default:
+		retval = -EINVAL;
+		break;
+	}
+
+out:
+	return retval;
+}
+
+static int
+gpio_open(struct inode *inode, struct file *file)
+{
+	int result = 0;
+	unsigned int dev_minor = MINOR(inode->i_rdev);
+
+	if (dev_minor != 0)
+	{
+		printk(KERN_ERR DRVNAME ": trying to access unknown minor device -> %d\n", dev_minor);
+		result = -ENODEV;
+		goto out;
+	}
+
+	/* FIXME: We should really allow multiple applications to open the device
+	 *        at the same time, as long as the apps access different IO pins.
+	 *        The generic gpio-registration functions can be used for that.
+	 *        Two new IOCTLs have to be introduced for that. Need to check userspace
+	 *        compatibility first. --mb */
+	if (!atomic_dec_and_test(&gpio_open_cnt)) {
+		atomic_inc(&gpio_open_cnt);
+		printk(KERN_ERR DRVNAME ": Device with minor ID %d already in use\n", dev_minor);
+		result = -EBUSY;
+		goto out;
+	}
+
+out:
+	return result;
+}
+
+static int
+gpio_close(struct inode * inode, struct file * file)
+{
+	smp_mb__before_atomic_inc();
+	atomic_inc(&gpio_open_cnt);
+
+	return 0;
+}
+
+struct file_operations gpio_fops = {
+	ioctl:		gpio_ioctl,
+	open:		gpio_open,
+	release:	gpio_close
+};
+
+static int
+gpio_probe(struct platform_device *dev)
+{
+	int result = 0;
+
+	dev_major = register_chrdev(0, DEVNAME, &gpio_fops);
+	if (!dev_major)
+	{
+		printk(KERN_ERR DRVNAME ": Error whilst opening %s \n", DEVNAME);
+		result = -ENODEV;
+		goto out;
+	}
+
+	gpiodev_class = class_create(THIS_MODULE, DRVNAME);
+	device_create(gpiodev_class, NULL, MKDEV(dev_major, 0), dev, DEVNAME);
+
+	printk(KERN_INFO DRVNAME ": gpio device registered with major %d\n", dev_major);
+
+	if (dev->num_resources != 1)
+	{
+		printk(KERN_ERR DRVNAME ": device may only have 1 resource\n");
+		result = -ENODEV;
+		goto out;
+	}
+
+	gpio_access_mask = dev->resource[0].start;
+
+	printk(KERN_INFO DRVNAME ": gpio platform device registered with access mask %08X\n", gpio_access_mask);
+out:
+	return result;
+}
+
+static int
+gpio_remove(struct platform_device *dev)
+{
+	unregister_chrdev(dev_major, DEVNAME);
+	return 0;
+}
+
+static struct
+platform_driver gpio_driver = {
+	.probe = gpio_probe,
+	.remove = gpio_remove,
+	.driver = {
+		.name = "GPIODEV",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init
+gpio_mod_init(void)
+{
+	int ret = platform_driver_register(&gpio_driver);
+	if (ret)
+		printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
+
+	return ret;
+}
+
+static void __exit
+gpio_mod_exit(void)
+{
+	platform_driver_unregister(&gpio_driver);
+}
+
+module_init (gpio_mod_init);
+module_exit (gpio_mod_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin / OpenWrt");
+MODULE_DESCRIPTION("Character device for for generic gpio api");
diff --git a/target/linux/generic-2.6/files/drivers/input/misc/gpio_buttons.c b/target/linux/generic-2.6/files/drivers/input/misc/gpio_buttons.c
new file mode 100644
index 000000000..83a817834
--- /dev/null
+++ b/target/linux/generic-2.6/files/drivers/input/misc/gpio_buttons.c
@@ -0,0 +1,209 @@
+/*
+ *  Driver for buttons on GPIO lines not capable of generating interrupts
+ *
+ *  Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
+ *
+ *  This file was based on: /drivers/input/misc/cobalt_btns.c
+ *	Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ *  also was based on: /drivers/input/keyboard/gpio_keys.c
+ *	Copyright 2005 Phil Blundell
+ *
+ *  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/module.h>
+#include <linux/init.h>
+
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+
+#include <linux/gpio_buttons.h>
+
+#include <asm/gpio.h>
+
+#define DRV_NAME	"gpio-buttons"
+#define DRV_VERSION	"0.1.1"
+#define PFX		DRV_NAME ": "
+
+struct gpio_buttons_dev {
+	struct input_polled_dev *poll_dev;
+	struct gpio_buttons_platform_data *pdata;
+};
+
+static void gpio_buttons_poll(struct input_polled_dev *dev)
+{
+	struct gpio_buttons_dev *bdev = dev->private;
+	struct gpio_buttons_platform_data *pdata = bdev->pdata;
+	struct input_dev *input = dev->input;
+	int i;
+
+	for (i = 0; i < bdev->pdata->nbuttons; i++) {
+		struct gpio_button *button = &pdata->buttons[i];
+		unsigned int type = button->type ?: EV_KEY;
+		int state;
+
+		state = gpio_get_value(button->gpio) ? 1 : 0;
+		state ^= button->active_low;
+
+		if (state) {
+			button->count++;
+		} else {
+			if (button->count >= button->threshold) {
+				input_event(input, type, button->code, 1);
+				input_sync(input);
+			}
+			button->count = 0;
+		}
+
+		if (button->count == button->threshold) {
+			input_event(input, type, button->code, 0);
+			input_sync(input);
+		}
+	}
+}
+
+static int __devinit gpio_buttons_probe(struct platform_device *pdev)
+{
+	struct gpio_buttons_platform_data *pdata = pdev->dev.platform_data;
+	struct gpio_buttons_dev *bdev;
+	struct input_polled_dev *poll_dev;
+	struct input_dev *input;
+	int error, i;
+
+
+	if (!pdata)
+		return -ENXIO;
+
+	bdev = kzalloc(sizeof(*bdev), GFP_KERNEL);
+	if (!bdev) {
+		printk(KERN_ERR DRV_NAME "no memory for device\n");
+		return -ENOMEM;
+	}
+
+	poll_dev = input_allocate_polled_device();
+	if (!poll_dev) {
+		printk(KERN_ERR DRV_NAME "no memory for polled device\n");
+		error = -ENOMEM;
+		goto err_free_bdev;
+	}
+
+	poll_dev->private = bdev;
+	poll_dev->poll = gpio_buttons_poll;
+	poll_dev->poll_interval = pdata->poll_interval;
+
+	input = poll_dev->input;
+
+	input->evbit[0] = BIT(EV_KEY);
+	input->name = pdev->name;
+	input->phys = "gpio-buttons/input0";
+	input->dev.parent = &pdev->dev;
+
+	input->id.bustype = BUS_HOST;
+	input->id.vendor = 0x0001;
+	input->id.product = 0x0001;
+	input->id.version = 0x0100;
+
+	for (i = 0; i < pdata->nbuttons; i++) {
+		struct gpio_button *button = &pdata->buttons[i];
+		unsigned int gpio = button->gpio;
+		unsigned int type = button->type ?: EV_KEY;
+
+		error = gpio_request(gpio, button->desc ?
+				button->desc : DRV_NAME);
+		if (error) {
+			printk(KERN_ERR PFX "unable to claim gpio %u, "
+				"error %d\n", gpio, error);
+			goto err_free_gpio;
+		}
+
+		error = gpio_direction_input(gpio);
+		if (error) {
+			printk(KERN_ERR PFX "unable to set direction on "
+				"gpio %u, error %d\n", gpio, error);
+			goto err_free_gpio;
+		}
+
+		input_set_capability(input, type, button->code);
+		button->count = 0;
+	}
+
+	bdev->poll_dev = poll_dev;
+	bdev->pdata = pdata;
+	platform_set_drvdata(pdev, bdev);
+
+	error = input_register_polled_device(poll_dev);
+	if (error) {
+		printk(KERN_ERR PFX "unable to register polled device, "
+			"error %d\n", error);
+		goto err_free_gpio;
+	}
+
+	return 0;
+
+err_free_gpio:
+	for (i = i - 1; i >= 0; i--)
+		gpio_free(pdata->buttons[i].gpio);
+
+	input_free_polled_device(poll_dev);
+
+err_free_bdev:
+	kfree(bdev);
+
+	platform_set_drvdata(pdev, NULL);
+	return error;
+}
+
+static int __devexit gpio_buttons_remove(struct platform_device *pdev)
+{
+	struct gpio_buttons_dev *bdev = platform_get_drvdata(pdev);
+	struct gpio_buttons_platform_data *pdata = bdev->pdata;
+	int i;
+
+	input_unregister_polled_device(bdev->poll_dev);
+
+	for (i = 0; i < pdata->nbuttons; i++)
+		gpio_free(pdata->buttons[i].gpio);
+
+	input_free_polled_device(bdev->poll_dev);
+
+	kfree(bdev);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver gpio_buttons_driver = {
+	.probe	= gpio_buttons_probe,
+	.remove	= __devexit_p(gpio_buttons_remove),
+	.driver	= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init gpio_buttons_init(void)
+{
+	printk(KERN_INFO DRV_NAME " driver version " DRV_VERSION "\n");
+	return platform_driver_register(&gpio_buttons_driver);
+}
+
+static void __exit gpio_buttons_exit(void)
+{
+	platform_driver_unregister(&gpio_buttons_driver);
+}
+
+module_init(gpio_buttons_init);
+module_exit(gpio_buttons_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Polled buttons driver for CPU GPIOs");
+
diff --git a/target/linux/generic-2.6/files/drivers/leds/ledtrig-morse.c b/target/linux/generic-2.6/files/drivers/leds/ledtrig-morse.c
new file mode 100644
index 000000000..cb47480a3
--- /dev/null
+++ b/target/linux/generic-2.6/files/drivers/leds/ledtrig-morse.c
@@ -0,0 +1,365 @@
+/*
+ *  LED Morse Trigger
+ *
+ *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
+ *
+ *  This file was based on: drivers/led/ledtrig-timer.c
+ *	Copyright 2005-2006 Openedhand Ltd.
+ *	Author: Richard Purdie <rpurdie@openedhand.com>
+ *
+ *  also based on the patch '[PATCH] 2.5.59 morse code panics' posted
+ *  in the LKML by Tomas Szepe at Thu, 30 Jan 2003
+ *	Copyright (C) 2002 Andrew Rodland <arodland@noln.com>
+ *	Copyright (C) 2003 Tomas Szepe <szepe@pinerecords.com>
+ *
+ *  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/version.h>
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/sysdev.h>
+#include <linux/timer.h>
+#include <linux/ctype.h>
+#include <linux/leds.h>
+
+#include "leds.h"
+
+#define MORSE_DELAY_BASE	(HZ/2)
+
+#define MORSE_STATE_BLINK_START	0
+#define MORSE_STATE_BLINK_STOP	1
+
+#define MORSE_DIT_LEN	1
+#define MORSE_DAH_LEN	3
+#define MORSE_SPACE_LEN	7
+
+struct morse_trig_data {
+	unsigned long delay;
+	char *msg;
+
+	unsigned char morse;
+	unsigned char state;
+	char *msgpos;
+	struct timer_list timer;
+};
+
+const unsigned char morsetable[] = {
+	0122, 0, 0310, 0, 0, 0163,				/* "#$%&' */
+	055, 0155, 0, 0, 0163, 0141, 0152, 0051, 		/* ()*+,-./ */
+	077, 076, 074, 070, 060, 040, 041, 043, 047, 057,	/* 0-9 */
+	0107, 0125, 0, 0061, 0, 0114, 0, 			/* :;<=>?@ */
+	006, 021, 025, 011, 002, 024, 013, 020, 004,		/* A-I */
+	036, 015, 022, 007, 005, 017, 026, 033, 012,		/* J-R */
+	010, 003, 014, 030, 016, 031, 035, 023,			/* S-Z */
+	0, 0, 0, 0, 0154					/* [\]^_ */
+};
+
+static inline unsigned char tomorse(char c) {
+	if (c >= 'a' && c <= 'z')
+		c = c - 'a' + 'A';
+	if (c >= '"' && c <= '_') {
+		return morsetable[c - '"'];
+	} else
+		return 0;
+}
+
+static inline unsigned long dit_len(struct morse_trig_data *morse_data)
+{
+	return MORSE_DIT_LEN*morse_data->delay;
+}
+
+static inline unsigned long dah_len(struct morse_trig_data *morse_data)
+{
+	return MORSE_DAH_LEN*morse_data->delay;
+}
+
+static inline unsigned long space_len(struct morse_trig_data *morse_data)
+{
+	return MORSE_SPACE_LEN*morse_data->delay;
+}
+
+static void morse_timer_function(unsigned long data)
+{
+	struct led_classdev *led_cdev = (struct led_classdev *)data;
+	struct morse_trig_data *morse_data = led_cdev->trigger_data;
+	unsigned long brightness = LED_OFF;
+	unsigned long delay = 0;
+
+	if (!morse_data->msg)
+		goto set_led;
+
+	switch (morse_data->state) {
+	case MORSE_STATE_BLINK_START:
+		/* Starting a new blink.  We have a valid code in morse. */
+		delay = (morse_data->morse & 001) ? dah_len(morse_data):
+			dit_len(morse_data);
+		brightness = LED_FULL;
+		morse_data->state = MORSE_STATE_BLINK_STOP;
+		morse_data->morse >>= 1;
+		break;
+	case MORSE_STATE_BLINK_STOP:
+		/* Coming off of a blink. */
+		morse_data->state = MORSE_STATE_BLINK_START;
+
+		if (morse_data->morse > 1) {
+			/* Not done yet, just a one-dit pause. */
+			delay = dit_len(morse_data);
+			break;
+		}
+
+		/* Get a new char, figure out how much space. */
+		/* First time through */
+		if (!morse_data->msgpos)
+			morse_data->msgpos = (char *)morse_data->msg;
+
+		if (!*morse_data->msgpos) {
+			/* Repeating */
+			morse_data->msgpos = (char *)morse_data->msg;
+			delay = space_len(morse_data);
+		} else {
+			/* Inter-letter space */
+			delay = dah_len(morse_data);
+		}
+
+		if (!(morse_data->morse = tomorse(*morse_data->msgpos))) {
+			delay = space_len(morse_data);
+			/* And get us back here */
+			morse_data->state = MORSE_STATE_BLINK_STOP;
+		}
+		morse_data->msgpos++;
+		break;
+	}
+
+	mod_timer(&morse_data->timer, jiffies + msecs_to_jiffies(delay));
+
+set_led:
+	led_set_brightness(led_cdev, brightness);
+}
+
+static ssize_t _morse_delay_show(struct led_classdev *led_cdev, char *buf)
+{
+	struct morse_trig_data *morse_data = led_cdev->trigger_data;
+
+	sprintf(buf, "%lu\n", morse_data->delay);
+
+	return strlen(buf) + 1;
+}
+
+static ssize_t _morse_delay_store(struct led_classdev *led_cdev,
+		const char *buf, size_t size)
+{
+	struct morse_trig_data *morse_data = led_cdev->trigger_data;
+	char *after;
+	unsigned long state = simple_strtoul(buf, &after, 10);
+	size_t count = after - buf;
+	int ret = -EINVAL;
+
+	if (*after && isspace(*after))
+		count++;
+
+	if (count == size) {
+		morse_data->delay = state;
+		mod_timer(&morse_data->timer, jiffies + 1);
+		ret = count;
+	}
+
+	return ret;
+}
+
+static ssize_t _morse_msg_show(struct led_classdev *led_cdev, char *buf)
+{
+	struct morse_trig_data *morse_data = led_cdev->trigger_data;
+
+	if (!morse_data->msg)
+		sprintf(buf, "<none>\n");
+	else
+		sprintf(buf, "%s\n", morse_data->msg);
+
+	return strlen(buf) + 1;
+}
+
+static ssize_t _morse_msg_store(struct led_classdev *led_cdev,
+		const char *buf, size_t size)
+{
+	struct morse_trig_data *morse_data = led_cdev->trigger_data;
+	char *m;
+
+	m = kmalloc(size, GFP_KERNEL);
+	if (!m)
+		return -ENOMEM;
+
+	memcpy(m,buf,size);
+	m[size]='\0';
+
+	if (morse_data->msg)
+		kfree(morse_data->msg);
+
+	morse_data->msg = m;
+	morse_data->msgpos = NULL;
+	morse_data->state = MORSE_STATE_BLINK_STOP;
+
+	mod_timer(&morse_data->timer, jiffies + 1);
+
+	return size;
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
+static ssize_t morse_delay_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+	return _morse_delay_show(led_cdev, buf);
+}
+
+static ssize_t morse_delay_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+	return _morse_delay_store(led_cdev, buf, size);
+}
+
+static ssize_t morse_msg_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+	return _morse_msg_show(led_cdev, buf);
+}
+
+static ssize_t morse_msg_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+	return _morse_msg_store(led_cdev, buf, size);
+}
+
+static DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store);
+static DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store);
+
+#define led_device_create_file(leddev, attr) \
+	device_create_file(leddev->dev, &dev_attr_ ## attr)
+#define led_device_remove_file(leddev, attr) \
+	device_remove_file(leddev->dev, &dev_attr_ ## attr)
+
+#else
+static ssize_t morse_delay_show(struct class_device *dev, char *buf)
+{
+	struct led_classdev *led_cdev = class_get_devdata(dev);
+
+	return _morse_delay_show(led_cdev, buf);
+}
+
+static ssize_t morse_delay_store(struct class_device *dev, const char *buf,
+		size_t size)
+{
+	struct led_classdev *led_cdev = class_get_devdata(dev);
+
+	return _morse_delay_store(led_cdev, buf, size);
+}
+
+static ssize_t morse_msg_show(struct class_device *dev, char *buf)
+{
+	struct led_classdev *led_cdev = class_get_devdata(dev);
+
+	return _morse_msg_show(led_cdev, buf);
+}
+
+static ssize_t morse_msg_store(struct class_device *dev, const char *buf,
+				size_t size)
+{
+	struct led_classdev *led_cdev = class_get_devdata(dev);
+
+	return _morse_msg_store(led_cdev, buf, size);
+}
+
+static CLASS_DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store);
+static CLASS_DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store);
+
+#define led_device_create_file(leddev, attr) \
+	class_device_create_file(leddev->class_dev, &class_device_attr_ ## attr)
+#define led_device_remove_file(leddev, attr) \
+	class_device_remove_file(leddev->class_dev, &class_device_attr_ ## attr)
+
+#endif
+
+static void morse_trig_activate(struct led_classdev *led_cdev)
+{
+	struct morse_trig_data *morse_data;
+	int rc;
+
+	morse_data = kzalloc(sizeof(*morse_data), GFP_KERNEL);
+	if (!morse_data)
+		return;
+
+	morse_data->delay = MORSE_DELAY_BASE;
+	init_timer(&morse_data->timer);
+	morse_data->timer.function = morse_timer_function;
+	morse_data->timer.data = (unsigned long)led_cdev;
+
+	rc = led_device_create_file(led_cdev, delay);
+	if (rc) goto err;
+
+	rc = led_device_create_file(led_cdev, message);
+	if (rc) goto err_delay;
+
+	led_cdev->trigger_data = morse_data;
+
+	return;
+
+err_delay:
+	led_device_remove_file(led_cdev, delay);
+err:
+	kfree(morse_data);
+}
+
+static void morse_trig_deactivate(struct led_classdev *led_cdev)
+{
+	struct morse_trig_data *morse_data = led_cdev->trigger_data;
+
+	if (!morse_data)
+		return;
+
+	led_device_remove_file(led_cdev, message);
+	led_device_remove_file(led_cdev, delay);
+
+	del_timer_sync(&morse_data->timer);
+	if (morse_data->msg)
+		kfree(morse_data->msg);
+
+	kfree(morse_data);
+}
+
+static struct led_trigger morse_led_trigger = {
+	.name		= "morse",
+	.activate	= morse_trig_activate,
+	.deactivate	= morse_trig_deactivate,
+};
+
+static int __init morse_trig_init(void)
+{
+	return led_trigger_register(&morse_led_trigger);
+}
+
+static void __exit morse_trig_exit(void)
+{
+	led_trigger_unregister(&morse_led_trigger);
+}
+
+module_init(morse_trig_init);
+module_exit(morse_trig_exit);
+
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_DESCRIPTION("Morse LED trigger");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/generic-2.6/files/drivers/leds/ledtrig-netdev.c b/target/linux/generic-2.6/files/drivers/leds/ledtrig-netdev.c
new file mode 100644
index 000000000..8dba8e654
--- /dev/null
+++ b/target/linux/generic-2.6/files/drivers/leds/ledtrig-netdev.c
@@ -0,0 +1,451 @@
+/*
+ * LED Kernel Netdev Trigger
+ *
+ * Toggles the LED to reflect the link and traffic state of a named net device
+ *
+ * Copyright 2007 Oliver Jowett <oliver@opencloud.com>
+ *
+ * Derived from ledtrig-timer.c which is:
+ *  Copyright 2005-2006 Openedhand Ltd.
+ *  Author: Richard Purdie <rpurdie@openedhand.com>
+ *
+ * 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/module.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/sysdev.h>
+#include <linux/netdevice.h>
+#include <linux/timer.h>
+#include <linux/ctype.h>
+#include <linux/leds.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#include <net/net_namespace.h>
+#endif
+
+#include "leds.h"
+
+/*
+ * Configurable sysfs attributes:
+ *
+ * device_name - network device name to monitor
+ *
+ * interval - duration of LED blink, in milliseconds
+ *
+ * mode - either "none" (LED is off) or a space separated list of one or more of:
+ *   link: LED's normal state reflects whether the link is up (has carrier) or not
+ *   tx:   LED blinks on transmitted data
+ *   rx:   LED blinks on receive data
+ *
+ * Some suggestions:
+ *
+ *  Simple link status LED:
+ *  $ echo netdev >someled/trigger
+ *  $ echo eth0 >someled/device_name
+ *  $ echo link >someled/mode
+ *
+ *  Ethernet-style link/activity LED:
+ *  $ echo netdev >someled/trigger
+ *  $ echo eth0 >someled/device_name
+ *  $ echo "link tx rx" >someled/mode
+ *
+ *  Modem-style tx/rx LEDs:
+ *  $ echo netdev >led1/trigger
+ *  $ echo ppp0 >led1/device_name
+ *  $ echo tx >led1/mode
+ *  $ echo netdev >led2/trigger
+ *  $ echo ppp0 >led2/device_name
+ *  $ echo rx >led2/mode
+ *
+ */
+
+#define MODE_LINK 1
+#define MODE_TX   2
+#define MODE_RX   4
+
+struct led_netdev_data {
+	rwlock_t lock;
+
+	struct timer_list timer;
+	struct notifier_block notifier;
+
+	struct led_classdev *led_cdev;
+	struct net_device *net_dev;
+
+	char device_name[IFNAMSIZ];
+	unsigned interval;
+	unsigned mode;
+	unsigned link_up;
+	unsigned last_activity;
+};
+
+static void set_baseline_state(struct led_netdev_data *trigger_data)
+{
+	if ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up)
+		led_set_brightness(trigger_data->led_cdev, LED_FULL);
+	else
+		led_set_brightness(trigger_data->led_cdev, LED_OFF);
+
+	if ((trigger_data->mode & (MODE_TX | MODE_RX)) != 0 && trigger_data->link_up)
+		mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
+	else
+		del_timer(&trigger_data->timer);
+}
+
+static ssize_t led_device_name_show(struct device *dev,
+				    struct device_attribute *attr, char *buf)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+	read_lock(&trigger_data->lock);
+	sprintf(buf, "%s\n", trigger_data->device_name);
+	read_unlock(&trigger_data->lock);
+
+	return strlen(buf) + 1;
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
+extern struct net init_net;
+#endif
+
+static ssize_t led_device_name_store(struct device *dev,
+				     struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+	if (size < 0 || size >= IFNAMSIZ)
+		return -EINVAL;
+
+	write_lock(&trigger_data->lock);
+
+	strcpy(trigger_data->device_name, buf);
+	if (size > 0 && trigger_data->device_name[size-1] == '\n')
+		trigger_data->device_name[size-1] = 0;
+
+	if (trigger_data->device_name[0] != 0) {
+		/* check for existing device to update from */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+		trigger_data->net_dev = dev_get_by_name(&init_net, trigger_data->device_name);
+#else
+		trigger_data->net_dev = dev_get_by_name(trigger_data->device_name);
+#endif
+		if (trigger_data->net_dev != NULL)
+			trigger_data->link_up = (dev_get_flags(trigger_data->net_dev) & IFF_LOWER_UP) != 0;
+		set_baseline_state(trigger_data); /* updates LEDs, may start timers */
+	}
+
+	write_unlock(&trigger_data->lock);
+	return size;
+}
+
+static DEVICE_ATTR(device_name, 0644, led_device_name_show, led_device_name_store);
+
+static ssize_t led_mode_show(struct device *dev,
+			     struct device_attribute *attr, char *buf)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+	read_lock(&trigger_data->lock);
+
+	if (trigger_data->mode == 0) {
+		strcpy(buf, "none\n");
+	} else {
+		if (trigger_data->mode & MODE_LINK)
+			strcat(buf, "link ");
+		if (trigger_data->mode & MODE_TX)
+			strcat(buf, "tx ");
+		if (trigger_data->mode & MODE_RX)
+			strcat(buf, "rx ");
+		strcat(buf, "\n");
+	}
+
+	read_unlock(&trigger_data->lock);
+
+	return strlen(buf)+1;
+}
+
+static ssize_t led_mode_store(struct device *dev,
+			      struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+	char copybuf[1024];
+	int new_mode = -1;
+	char *p, *token;
+
+	/* take a copy since we don't want to trash the inbound buffer when using strsep */
+	strncpy(copybuf, buf, sizeof(copybuf));
+	copybuf[1023] = 0;
+	p = copybuf;
+
+	while ((token = strsep(&p, " \t\n")) != NULL) {
+		if (!*token)
+			continue;
+
+		if (new_mode == -1)
+			new_mode = 0;
+
+		if (!strcmp(token, "none"))
+			new_mode = 0;
+		else if (!strcmp(token, "tx"))
+			new_mode |= MODE_TX;
+		else if (!strcmp(token, "rx"))
+			new_mode |= MODE_RX;
+		else if (!strcmp(token, "link"))
+			new_mode |= MODE_LINK;
+		else
+			return -EINVAL;
+	}
+
+	if (new_mode == -1)
+		return -EINVAL;
+
+	write_lock(&trigger_data->lock);
+	trigger_data->mode = new_mode;
+	set_baseline_state(trigger_data);
+	write_unlock(&trigger_data->lock);
+
+	return size;
+}
+
+static DEVICE_ATTR(mode, 0644, led_mode_show, led_mode_store);
+
+static ssize_t led_interval_show(struct device *dev,
+				 struct device_attribute *attr, char *buf)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+	read_lock(&trigger_data->lock);
+	sprintf(buf, "%u\n", jiffies_to_msecs(trigger_data->interval));
+	read_unlock(&trigger_data->lock);
+
+	return strlen(buf) + 1;
+}
+
+static ssize_t led_interval_store(struct device *dev,
+				  struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+	int ret = -EINVAL;
+	char *after;
+	unsigned long value = simple_strtoul(buf, &after, 10);
+	size_t count = after - buf;
+
+	if (*after && isspace(*after))
+		count++;
+
+	/* impose some basic bounds on the timer interval */
+	if (count == size && value >= 5 && value <= 10000) {
+		write_lock(&trigger_data->lock);
+		trigger_data->interval = msecs_to_jiffies(value);
+		set_baseline_state(trigger_data); // resets timer
+		write_unlock(&trigger_data->lock);
+		ret = count;
+	}
+
+	return ret;
+}
+
+static DEVICE_ATTR(interval, 0644, led_interval_show, led_interval_store);
+
+static int netdev_trig_notify(struct notifier_block *nb,
+			      unsigned long evt,
+			      void *dv)
+{
+	struct net_device *dev = dv;
+	struct led_netdev_data *trigger_data = container_of(nb, struct led_netdev_data, notifier);
+
+	if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER)
+		return NOTIFY_DONE;
+
+	write_lock(&trigger_data->lock);
+
+	if (strcmp(dev->name, trigger_data->device_name))
+		goto done;
+
+	if (evt == NETDEV_REGISTER) {
+		if (trigger_data->net_dev != NULL)
+			dev_put(trigger_data->net_dev);
+		dev_hold(dev);
+		trigger_data->net_dev = dev;
+		trigger_data->link_up = 0;
+		goto done;
+	}
+
+	if (evt == NETDEV_UNREGISTER && trigger_data->net_dev != NULL) {
+		dev_put(trigger_data->net_dev);
+		trigger_data->net_dev = NULL;
+		goto done;
+	}
+
+	/* UP / DOWN / CHANGE */
+
+	trigger_data->link_up = (evt != NETDEV_DOWN && netif_carrier_ok(dev));
+	set_baseline_state(trigger_data);
+
+done:
+	write_unlock(&trigger_data->lock);
+	return NOTIFY_DONE;
+}
+
+/* here's the real work! */
+static void netdev_trig_timer(unsigned long arg)
+{
+	struct led_netdev_data *trigger_data = (struct led_netdev_data *)arg;
+	const struct net_device_stats *dev_stats;
+	unsigned new_activity;
+
+	write_lock(&trigger_data->lock);
+
+	if (!trigger_data->link_up || !trigger_data->net_dev || (trigger_data->mode & (MODE_TX | MODE_RX)) == 0) {
+		/* we don't need to do timer work, just reflect link state. */
+		led_set_brightness(trigger_data->led_cdev, ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up) ? LED_FULL : LED_OFF);
+		goto no_restart;
+	}
+
+	dev_stats = dev_get_stats(trigger_data->net_dev);
+	new_activity =
+		((trigger_data->mode & MODE_TX) ? dev_stats->tx_packets : 0) +
+		((trigger_data->mode & MODE_RX) ? dev_stats->rx_packets : 0);
+
+	if (trigger_data->mode & MODE_LINK) {
+		/* base state is ON (link present) */
+		/* if there's no link, we don't get this far and the LED is off */
+
+		/* OFF -> ON always */
+		/* ON -> OFF on activity */
+		if (trigger_data->led_cdev->brightness == LED_OFF) {
+			led_set_brightness(trigger_data->led_cdev, LED_FULL);
+		} else if (trigger_data->last_activity != new_activity) {
+			led_set_brightness(trigger_data->led_cdev, LED_OFF);
+		}
+	} else {
+		/* base state is OFF */
+		/* ON -> OFF always */
+		/* OFF -> ON on activity */
+		if (trigger_data->led_cdev->brightness == LED_FULL) {
+			led_set_brightness(trigger_data->led_cdev, LED_OFF);
+		} else if (trigger_data->last_activity != new_activity) {
+			led_set_brightness(trigger_data->led_cdev, LED_FULL);
+		}
+	}
+
+	trigger_data->last_activity = new_activity;
+	mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
+
+no_restart:
+	write_unlock(&trigger_data->lock);
+}
+
+static void netdev_trig_activate(struct led_classdev *led_cdev)
+{
+	struct led_netdev_data *trigger_data;
+	int rc;
+
+	trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);
+	if (!trigger_data)
+		return;
+
+	rwlock_init(&trigger_data->lock);
+
+	trigger_data->notifier.notifier_call = netdev_trig_notify;
+	trigger_data->notifier.priority = 10;
+
+	setup_timer(&trigger_data->timer, netdev_trig_timer, (unsigned long) trigger_data);
+
+	trigger_data->led_cdev = led_cdev;
+	trigger_data->net_dev = NULL;
+	trigger_data->device_name[0] = 0;
+
+	trigger_data->mode = 0;
+	trigger_data->interval = msecs_to_jiffies(50);
+	trigger_data->link_up = 0;
+	trigger_data->last_activity = 0;
+
+	led_cdev->trigger_data = trigger_data;
+
+	rc = device_create_file(led_cdev->dev, &dev_attr_device_name);
+	if (rc)
+		goto err_out;
+	rc = device_create_file(led_cdev->dev, &dev_attr_mode);
+	if (rc)
+		goto err_out_device_name;
+	rc = device_create_file(led_cdev->dev, &dev_attr_interval);
+	if (rc)
+		goto err_out_mode;
+
+	register_netdevice_notifier(&trigger_data->notifier);
+	return;
+
+err_out_mode:
+	device_remove_file(led_cdev->dev, &dev_attr_mode);
+err_out_device_name:
+	device_remove_file(led_cdev->dev, &dev_attr_device_name);
+err_out:
+	led_cdev->trigger_data = NULL;
+	kfree(trigger_data);
+}
+
+static void netdev_trig_deactivate(struct led_classdev *led_cdev)
+{
+	struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+	if (trigger_data) {
+		unregister_netdevice_notifier(&trigger_data->notifier);
+
+		device_remove_file(led_cdev->dev, &dev_attr_device_name);
+		device_remove_file(led_cdev->dev, &dev_attr_mode);
+		device_remove_file(led_cdev->dev, &dev_attr_interval);
+
+		write_lock(&trigger_data->lock);
+
+		if (trigger_data->net_dev) {
+			dev_put(trigger_data->net_dev);
+			trigger_data->net_dev = NULL;
+		}
+
+		write_unlock(&trigger_data->lock);
+
+		del_timer_sync(&trigger_data->timer);
+
+		kfree(trigger_data);
+	}
+}
+
+static struct led_trigger netdev_led_trigger = {
+	.name     = "netdev",
+	.activate = netdev_trig_activate,
+	.deactivate = netdev_trig_deactivate,
+};
+
+static int __init netdev_trig_init(void)
+{
+	return led_trigger_register(&netdev_led_trigger);
+}
+
+static void __exit netdev_trig_exit(void)
+{
+	led_trigger_unregister(&netdev_led_trigger);
+}
+
+module_init(netdev_trig_init);
+module_exit(netdev_trig_exit);
+
+MODULE_AUTHOR("Oliver Jowett <oliver@opencloud.com>");
+MODULE_DESCRIPTION("Netdev LED trigger");
+MODULE_LICENSE("GPL");