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leds: Convert from struct class_device to struct device

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

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Richard Purdie 2007-07-08 23:19:31 +01:00
parent f9f451d9ca
commit f8a7c6fe14
6 changed files with 59 additions and 65 deletions
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49
drivers/leds/led-class.c
View File

@ -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);

13
drivers/leds/led-triggers.c
View File

@ -1,7 +1,7 @@
/*
* 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;

2
drivers/leds/leds-locomo.c
View File

@ -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);

8
drivers/leds/leds.h
View File

@ -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 */

49
drivers/leds/ledtrig-timer.c
View File

@ -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);
}

3
include/linux/leds.h
View File

@ -16,7 +16,6 @@
#include <linux/spinlock.h>
struct device;
struct class_device;
/*
* LED Core
*/
@ -38,7 +37,7 @@ struct led_classdev {
void (*brightness_set)(struct led_classdev *led_cdev,
enum led_brightness brightness);
struct class_device *class_dev;
struct device *dev;
struct list_head node; /* LED Device list */
char *default_trigger; /* Trigger to use */