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Commit f8a7c6fe authored by Richard Purdie's avatar Richard Purdie
Browse files

leds: Convert from struct class_device to struct device



Convert the LEDs class from struct class_device to struct device
since class_device is scheduled for removal.

Signed-off-by: default avatarRichard Purdie <rpurdie@rpsys.net>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent f9f451d9
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+22 −27
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@
 * LED Class Core
 *
 * Copyright (C) 2005 John Lenz <lenz@cs.wisc.edu>
 * Copyright (C) 2005-2006 Richard Purdie <rpurdie@openedhand.com>
 * Copyright (C) 2005-2007 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
@@ -24,9 +24,10 @@

static struct class *leds_class;

static ssize_t led_brightness_show(struct class_device *dev, char *buf)
static ssize_t led_brightness_show(struct device *dev, 
		struct device_attribute *attr, char *buf)
{
	struct led_classdev *led_cdev = class_get_devdata(dev);
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	ssize_t ret = 0;

	/* no lock needed for this */
@@ -36,10 +37,10 @@ static ssize_t led_brightness_show(struct class_device *dev, char *buf)
	return ret;
}

static ssize_t led_brightness_store(struct class_device *dev,
				const char *buf, size_t size)
static ssize_t led_brightness_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t size)
{
	struct led_classdev *led_cdev = class_get_devdata(dev);
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	ssize_t ret = -EINVAL;
	char *after;
	unsigned long state = simple_strtoul(buf, &after, 10);
@@ -56,10 +57,9 @@ static ssize_t led_brightness_store(struct class_device *dev,
	return ret;
}

static CLASS_DEVICE_ATTR(brightness, 0644, led_brightness_show,
			led_brightness_store);
static DEVICE_ATTR(brightness, 0644, led_brightness_show, led_brightness_store);
#ifdef CONFIG_LEDS_TRIGGERS
static CLASS_DEVICE_ATTR(trigger, 0644, led_trigger_show, led_trigger_store);
static DEVICE_ATTR(trigger, 0644, led_trigger_show, led_trigger_store);
#endif

/**
@@ -93,16 +93,15 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
	int rc;

	led_cdev->class_dev = class_device_create(leds_class, NULL, 0,
						parent, "%s", led_cdev->name);
	if (unlikely(IS_ERR(led_cdev->class_dev)))
		return PTR_ERR(led_cdev->class_dev);
	led_cdev->dev = device_create(leds_class, parent, 0, "%s",
					    led_cdev->name);
	if (unlikely(IS_ERR(led_cdev->dev)))
		return PTR_ERR(led_cdev->dev);

	class_set_devdata(led_cdev->class_dev, led_cdev);
	dev_set_drvdata(led_cdev->dev, led_cdev);

	/* register the attributes */
	rc = class_device_create_file(led_cdev->class_dev,
				      &class_device_attr_brightness);
	rc = device_create_file(led_cdev->dev, &dev_attr_brightness);
	if (rc)
		goto err_out;

@@ -114,8 +113,7 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
#ifdef CONFIG_LEDS_TRIGGERS
	rwlock_init(&led_cdev->trigger_lock);

	rc = class_device_create_file(led_cdev->class_dev,
				      &class_device_attr_trigger);
	rc = device_create_file(led_cdev->dev, &dev_attr_trigger);
	if (rc)
		goto err_out_led_list;

@@ -123,18 +121,17 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
#endif

	printk(KERN_INFO "Registered led device: %s\n",
			led_cdev->class_dev->class_id);
			led_cdev->name);

	return 0;

#ifdef CONFIG_LEDS_TRIGGERS
err_out_led_list:
	class_device_remove_file(led_cdev->class_dev,
				&class_device_attr_brightness);
	device_remove_file(led_cdev->dev, &dev_attr_brightness);
	list_del(&led_cdev->node);
#endif
err_out:
	class_device_unregister(led_cdev->class_dev);
	device_unregister(led_cdev->dev);
	return rc;
}
EXPORT_SYMBOL_GPL(led_classdev_register);
@@ -147,18 +144,16 @@ EXPORT_SYMBOL_GPL(led_classdev_register);
 */
void led_classdev_unregister(struct led_classdev *led_cdev)
{
	class_device_remove_file(led_cdev->class_dev,
				&class_device_attr_brightness);
	device_remove_file(led_cdev->dev, &dev_attr_brightness);
#ifdef CONFIG_LEDS_TRIGGERS
	class_device_remove_file(led_cdev->class_dev,
				&class_device_attr_trigger);
	device_remove_file(led_cdev->dev, &dev_attr_trigger);
	write_lock(&led_cdev->trigger_lock);
	if (led_cdev->trigger)
		led_trigger_set(led_cdev, NULL);
	write_unlock(&led_cdev->trigger_lock);
#endif

	class_device_unregister(led_cdev->class_dev);
	device_unregister(led_cdev->dev);

	write_lock(&leds_list_lock);
	list_del(&led_cdev->node);
+7 −6
Original line number Diff line number Diff line
/*
 * LED Triggers Core
 *
 * Copyright 2005-2006 Openedhand Ltd.
 * Copyright 2005-2007 Openedhand Ltd.
 *
 * Author: Richard Purdie <rpurdie@openedhand.com>
 *
@@ -28,10 +28,10 @@
static DEFINE_RWLOCK(triggers_list_lock);
static LIST_HEAD(trigger_list);

ssize_t led_trigger_store(struct class_device *dev, const char *buf,
			size_t count)
ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
		const char *buf, size_t count)
{
	struct led_classdev *led_cdev = class_get_devdata(dev);
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	char trigger_name[TRIG_NAME_MAX];
	struct led_trigger *trig;
	size_t len;
@@ -67,9 +67,10 @@ ssize_t led_trigger_store(struct class_device *dev, const char *buf,
}


ssize_t led_trigger_show(struct class_device *dev, char *buf)
ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
		char *buf)
{
	struct led_classdev *led_cdev = class_get_devdata(dev);
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	struct led_trigger *trig;
	int len = 0;

+1 −1
Original line number Diff line number Diff line
@@ -19,7 +19,7 @@
static void locomoled_brightness_set(struct led_classdev *led_cdev,
				enum led_brightness value, int offset)
{
	struct locomo_dev *locomo_dev = LOCOMO_DEV(led_cdev->class_dev->dev);
	struct locomo_dev *locomo_dev = LOCOMO_DEV(led_cdev->dev);
	unsigned long flags;

	local_irq_save(flags);
+5 −3
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@
#ifndef __LEDS_H_INCLUDED
#define __LEDS_H_INCLUDED

#include <linux/device.h>
#include <linux/leds.h>

static inline void led_set_brightness(struct led_classdev *led_cdev,
@@ -37,8 +38,9 @@ void led_trigger_set(struct led_classdev *led_cdev,
#define led_trigger_set(x, y) do {} while(0)
#endif

ssize_t led_trigger_store(struct class_device *dev, const char *buf,
			size_t count);
ssize_t led_trigger_show(struct class_device *dev, char *buf);
ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
			const char *buf, size_t count);
ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
			char *buf);

#endif	/* __LEDS_H_INCLUDED */
+23 −26
Original line number Diff line number Diff line
@@ -52,9 +52,10 @@ static void led_timer_function(unsigned long data)
	mod_timer(&timer_data->timer, jiffies + msecs_to_jiffies(delay));
}

static ssize_t led_delay_on_show(struct class_device *dev, char *buf)
static ssize_t led_delay_on_show(struct device *dev, 
		struct device_attribute *attr, char *buf)
{
	struct led_classdev *led_cdev = class_get_devdata(dev);
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	struct timer_trig_data *timer_data = led_cdev->trigger_data;

	sprintf(buf, "%lu\n", timer_data->delay_on);
@@ -62,10 +63,10 @@ static ssize_t led_delay_on_show(struct class_device *dev, char *buf)
	return strlen(buf) + 1;
}

static ssize_t led_delay_on_store(struct class_device *dev, const char *buf,
				size_t size)
static ssize_t led_delay_on_store(struct device *dev, 
		struct device_attribute *attr, const char *buf, size_t size)
{
	struct led_classdev *led_cdev = class_get_devdata(dev);
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	struct timer_trig_data *timer_data = led_cdev->trigger_data;
	int ret = -EINVAL;
	char *after;
@@ -84,9 +85,10 @@ static ssize_t led_delay_on_store(struct class_device *dev, const char *buf,
	return ret;
}

static ssize_t led_delay_off_show(struct class_device *dev, char *buf)
static ssize_t led_delay_off_show(struct device *dev, 
		struct device_attribute *attr, char *buf)
{
	struct led_classdev *led_cdev = class_get_devdata(dev);
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	struct timer_trig_data *timer_data = led_cdev->trigger_data;

	sprintf(buf, "%lu\n", timer_data->delay_off);
@@ -94,10 +96,10 @@ static ssize_t led_delay_off_show(struct class_device *dev, char *buf)
	return strlen(buf) + 1;
}

static ssize_t led_delay_off_store(struct class_device *dev, const char *buf,
				size_t size)
static ssize_t led_delay_off_store(struct device *dev, 
		struct device_attribute *attr, const char *buf, size_t size)
{
	struct led_classdev *led_cdev = class_get_devdata(dev);
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	struct timer_trig_data *timer_data = led_cdev->trigger_data;
	int ret = -EINVAL;
	char *after;
@@ -116,10 +118,8 @@ static ssize_t led_delay_off_store(struct class_device *dev, const char *buf,
	return ret;
}

static CLASS_DEVICE_ATTR(delay_on, 0644, led_delay_on_show,
			led_delay_on_store);
static CLASS_DEVICE_ATTR(delay_off, 0644, led_delay_off_show,
			led_delay_off_store);
static DEVICE_ATTR(delay_on, 0644, led_delay_on_show, led_delay_on_store);
static DEVICE_ATTR(delay_off, 0644, led_delay_off_show, led_delay_off_store);

static void timer_trig_activate(struct led_classdev *led_cdev)
{
@@ -136,18 +136,17 @@ static void timer_trig_activate(struct led_classdev *led_cdev)
	timer_data->timer.function = led_timer_function;
	timer_data->timer.data = (unsigned long) led_cdev;

	rc = class_device_create_file(led_cdev->class_dev,
				&class_device_attr_delay_on);
	if (rc) goto err_out;
	rc = class_device_create_file(led_cdev->class_dev,
				&class_device_attr_delay_off);
	if (rc) goto err_out_delayon;
	rc = device_create_file(led_cdev->dev, &dev_attr_delay_on);
	if (rc)
		goto err_out;
	rc = device_create_file(led_cdev->dev, &dev_attr_delay_off);
	if (rc)
		goto err_out_delayon;

	return;

err_out_delayon:
	class_device_remove_file(led_cdev->class_dev,
				&class_device_attr_delay_on);
	device_remove_file(led_cdev->dev, &dev_attr_delay_on);
err_out:
	led_cdev->trigger_data = NULL;
	kfree(timer_data);
@@ -158,10 +157,8 @@ static void timer_trig_deactivate(struct led_classdev *led_cdev)
	struct timer_trig_data *timer_data = led_cdev->trigger_data;

	if (timer_data) {
		class_device_remove_file(led_cdev->class_dev,
					&class_device_attr_delay_on);
		class_device_remove_file(led_cdev->class_dev,
					&class_device_attr_delay_off);
		device_remove_file(led_cdev->dev, &dev_attr_delay_on);
		device_remove_file(led_cdev->dev, &dev_attr_delay_off);
		del_timer_sync(&timer_data->timer);
		kfree(timer_data);
	}
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