kernel: remove unused morse led trigger driver

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 0 insertions, 366 deletions

diff --git a/target/linux/generic/files/drivers/leds/ledtrig-morse.c b/target/linux/generic/files/drivers/leds/ledtrig-morse.c
deleted file mode 100644
index bc58afe4c6..0000000000
--- a/target/linux/generic/files/drivers/leds/ledtrig-morse.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- *  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 <linux/slab.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");