Release 4.12 drivers/base/class.c

Directory: drivers/base
/*
 * class.c - basic device class management
 *
 * Copyright (c) 2002-3 Patrick Mochel
 * Copyright (c) 2002-3 Open Source Development Labs
 * Copyright (c) 2003-2004 Greg Kroah-Hartman
 * Copyright (c) 2003-2004 IBM Corp.
 *
 * This file is released under the GPLv2
 *
 */

#include <linux/device.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/kdev_t.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/genhd.h>
#include <linux/mutex.h>
#include "base.h"


#define to_class_attr(_attr) container_of(_attr, struct class_attribute, attr)



static ssize_t class_attr_show(struct kobject *kobj, struct attribute *attr,
			       char *buf)
{
	struct class_attribute *class_attr = to_class_attr(attr);
	struct subsys_private *cp = to_subsys_private(kobj);
	ssize_t ret = -EIO;

	if (class_attr->show)
		ret = class_attr->show(cp->class, class_attr, buf);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
Patrick Mochel 58 82.86% 1 16.67%
Greg Kroah-Hartman 6 8.57% 2 33.33%
Kay Sievers 2 2.86% 1 16.67%
Dmitry Torokhov 2 2.86% 1 16.67%
Andi Kleen 2 2.86% 1 16.67%
Total 70 100.00% 6 100.00%



static ssize_t class_attr_store(struct kobject *kobj, struct attribute *attr,
				const char *buf, size_t count)
{
	struct class_attribute *class_attr = to_class_attr(attr);
	struct subsys_private *cp = to_subsys_private(kobj);
	ssize_t ret = -EIO;

	if (class_attr->store)
		ret = class_attr->store(cp->class, class_attr, buf, count);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
Patrick Mochel 64 84.21% 2 28.57%
Greg Kroah-Hartman 6 7.89% 2 28.57%
Dmitry Torokhov 2 2.63% 1 14.29%
Kay Sievers 2 2.63% 1 14.29%
Andi Kleen 2 2.63% 1 14.29%
Total 76 100.00% 7 100.00%



static void class_release(struct kobject *kobj)
{
	struct subsys_private *cp = to_subsys_private(kobj);
	struct class *class = cp->class;

	pr_debug("class '%s': release.\n", class->name);

	if (class->class_release)
		class->class_release(class);
	else
		pr_debug("class '%s' does not have a release() function, "
			 "be careful\n", class->name);

	kfree(cp);
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 61 89.71% 2 50.00%
Laurent Pinchart 5 7.35% 1 25.00%
Kay Sievers 2 2.94% 1 25.00%
Total 68 100.00% 4 100.00%



static const struct kobj_ns_type_operations *class_child_ns_type(struct kobject *kobj)
{
	struct subsys_private *cp = to_subsys_private(kobj);
	struct class *class = cp->class;

	return class->ns_type;
}

Contributors
Person Tokens Prop Commits CommitProp
Eric W. Biedermann 36 94.74% 1 50.00%
Kay Sievers 2 5.26% 1 50.00%
Total 38 100.00% 2 100.00%


static const struct sysfs_ops class_sysfs_ops = {
	.show	   = class_attr_show,
	.store	   = class_attr_store,
};


static struct kobj_type class_ktype = {
	.sysfs_ops	= &class_sysfs_ops,
	.release	= class_release,
	.child_ns_type	= class_child_ns_type,
};

/* Hotplug events for classes go to the class subsys */

static struct kset *class_kset;




int class_create_file_ns(struct class *cls, const struct class_attribute *attr,
			 const void *ns)
{
	int error;

	if (cls)
		error = sysfs_create_file_ns(&cls->p->subsys.kobj,
					     &attr->attr, ns);
	else
		error = -EINVAL;
	return error;
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 25 43.10% 2 33.33%
Patrick Mochel 23 39.66% 2 33.33%
Tejun Heo 9 15.52% 1 16.67%
Kay Sievers 1 1.72% 1 16.67%
Total 58 100.00% 6 100.00%



void class_remove_file_ns(struct class *cls, const struct class_attribute *attr,
			  const void *ns)
{
	if (cls)
		sysfs_remove_file_ns(&cls->p->subsys.kobj, &attr->attr, ns);
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 18 40.91% 2 33.33%
Patrick Mochel 16 36.36% 2 33.33%
Tejun Heo 9 20.45% 1 16.67%
Kay Sievers 1 2.27% 1 16.67%
Total 44 100.00% 6 100.00%



static struct class *class_get(struct class *cls)
{
	if (cls)
		kset_get(&cls->p->subsys);
	return cls;
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 25 83.33% 4 66.67%
Patrick Mochel 4 13.33% 1 16.67%
Kay Sievers 1 3.33% 1 16.67%
Total 30 100.00% 6 100.00%



static void class_put(struct class *cls)
{
	if (cls)
		kset_put(&cls->p->subsys);
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 21 84.00% 5 71.43%
Patrick Mochel 3 12.00% 1 14.29%
Kay Sievers 1 4.00% 1 14.29%
Total 25 100.00% 7 100.00%



static int add_class_attrs(struct class *cls)
{
	int i;
	int error = 0;

	if (cls->class_attrs) {
		for (i = 0; cls->class_attrs[i].attr.name; i++) {
			error = class_create_file(cls, &cls->class_attrs[i]);
			if (error)
				goto error;
		}
	}
done:
	return error;
error:
	while (--i >= 0)
		class_remove_file(cls, &cls->class_attrs[i]);
	goto done;
}

Contributors
Person Tokens Prop Commits CommitProp
Patrick Mochel 93 92.08% 1 33.33%
Greg Kroah-Hartman 8 7.92% 2 66.67%
Total 101 100.00% 3 100.00%



static void remove_class_attrs(struct class *cls)
{
	int i;

	if (cls->class_attrs) {
		for (i = 0; cls->class_attrs[i].attr.name; i++)
			class_remove_file(cls, &cls->class_attrs[i]);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Patrick Mochel 51 92.73% 1 50.00%
Greg Kroah-Hartman 4 7.27% 1 50.00%
Total 55 100.00% 2 100.00%



static void klist_class_dev_get(struct klist_node *n)
{
	struct device *dev = container_of(n, struct device, knode_class);

	get_device(dev);
}

Contributors
Person Tokens Prop Commits CommitProp
Tejun Heo 31 100.00% 1 100.00%
Total 31 100.00% 1 100.00%



static void klist_class_dev_put(struct klist_node *n)
{
	struct device *dev = container_of(n, struct device, knode_class);

	put_device(dev);
}

Contributors
Person Tokens Prop Commits CommitProp
Tejun Heo 31 100.00% 1 100.00%
Total 31 100.00% 1 100.00%



static int class_add_groups(struct class *cls,
			    const struct attribute_group **groups)
{
	return sysfs_create_groups(&cls->p->subsys.kobj, groups);
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 33 100.00% 1 100.00%
Total 33 100.00% 1 100.00%



static void class_remove_groups(struct class *cls,
				const struct attribute_group **groups)
{
	return sysfs_remove_groups(&cls->p->subsys.kobj, groups);
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 33 100.00% 1 100.00%
Total 33 100.00% 1 100.00%



int __class_register(struct class *cls, struct lock_class_key *key)
{
	struct subsys_private *cp;
	int error;

	pr_debug("device class '%s': registering\n", cls->name);

	cp = kzalloc(sizeof(*cp), GFP_KERNEL);
	if (!cp)
		return -ENOMEM;
	klist_init(&cp->klist_devices, klist_class_dev_get, klist_class_dev_put);
	INIT_LIST_HEAD(&cp->interfaces);
	kset_init(&cp->glue_dirs);
	__mutex_init(&cp->mutex, "subsys mutex", key);
	error = kobject_set_name(&cp->subsys.kobj, "%s", cls->name);
	if (error) {
		kfree(cp);
		return error;
	}

	/* set the default /sys/dev directory for devices of this class */
	if (!cls->dev_kobj)
		cls->dev_kobj = sysfs_dev_char_kobj;

#if defined(CONFIG_BLOCK)
	/* let the block class directory show up in the root of sysfs */
	if (!sysfs_deprecated || cls != &block_class)
		cp->subsys.kobj.kset = class_kset;
#else
	cp->subsys.kobj.kset = class_kset;
#endif
	cp->subsys.kobj.ktype = &class_ktype;
	cp->class = cls;
	cls->p = cp;

	error = kset_register(&cp->subsys);
	if (error) {
		kfree(cp);
		return error;
	}
	error = class_add_groups(class_get(cls), cls->class_groups);
	class_put(cls);
	error = add_class_attrs(class_get(cls));
	class_put(cls);
	return error;
}
Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 138 52.08% 10 41.67%
Patrick Mochel 37 13.96% 3 12.50%
Kay Sievers 37 13.96% 4 16.67%
Leann Ogasawara 19 7.17% 1 4.17%
Dan J Williams 14 5.28% 1 4.17%
Matthew Wilcox 6 2.26% 1 4.17%
Tejun Heo 5 1.89% 1 4.17%
Dave Young 4 1.51% 1 4.17%
Andi Kleen 3 1.13% 1 4.17%
Stephen Hemminger 2 0.75% 1 4.17%
Total 265 100.00% 24 100.00%


EXPORT_SYMBOL_GPL(__class_register);



void class_unregister(struct class *cls)
{
	pr_debug("device class '%s': unregistering\n", cls->name);
	remove_class_attrs(cls);
	class_remove_groups(cls, cls->class_groups);
	kset_unregister(&cls->p->subsys);
}

Contributors
Person Tokens Prop Commits CommitProp
Patrick Mochel 22 51.16% 2 28.57%
Greg Kroah-Hartman 20 46.51% 4 57.14%
Kay Sievers 1 2.33% 1 14.29%
Total 43 100.00% 7 100.00%



static void class_create_release(struct class *cls)
{
	pr_debug("%s called for %s\n", __func__, cls->name);
	kfree(cls);
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 26 96.30% 2 66.67%
Harvey Harrison 1 3.70% 1 33.33%
Total 27 100.00% 3 100.00%

/**
 * class_create - create a struct class structure
 * @owner: pointer to the module that is to "own" this struct class
 * @name: pointer to a string for the name of this class.
 * @key: the lock_class_key for this class; used by mutex lock debugging
 *
 * This is used to create a struct class pointer that can then be used
 * in calls to device_create().
 *
 * Returns &struct class pointer on success, or ERR_PTR() on error.
 *
 * Note, the pointer created here is to be destroyed when finished by
 * making a call to class_destroy().
 */


struct class *__class_create(struct module *owner, const char *name,
			     struct lock_class_key *key)
{
	struct class *cls;
	int retval;

	cls = kzalloc(sizeof(*cls), GFP_KERNEL);
	if (!cls) {
		retval = -ENOMEM;
		goto error;
	}

	cls->name = name;
	cls->owner = owner;
	cls->class_release = class_create_release;

	retval = __class_register(cls, key);
	if (retval)
		goto error;

	return cls;

error:
	kfree(cls);
	return ERR_PTR(retval);
}
Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 95 87.96% 1 25.00%
Matthew Wilcox 9 8.33% 1 25.00%
Jiri Slaby 3 2.78% 1 25.00%
Miguel Ojeda Sandonis 1 0.93% 1 25.00%
Total 108 100.00% 4 100.00%


EXPORT_SYMBOL_GPL(__class_create);

/**
 * class_destroy - destroys a struct class structure
 * @cls: pointer to the struct class that is to be destroyed
 *
 * Note, the pointer to be destroyed must have been created with a call
 * to class_create().
 */


void class_destroy(struct class *cls)
{
	if ((cls == NULL) || (IS_ERR(cls)))
		return;

	class_unregister(cls);
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 31 100.00% 1 100.00%
Total 31 100.00% 1 100.00%

/**
 * class_dev_iter_init - initialize class device iterator
 * @iter: class iterator to initialize
 * @class: the class we wanna iterate over
 * @start: the device to start iterating from, if any
 * @type: device_type of the devices to iterate over, NULL for all
 *
 * Initialize class iterator @iter such that it iterates over devices
 * of @class.  If @start is set, the list iteration will start there,
 * otherwise if it is NULL, the iteration starts at the beginning of
 * the list.
 */


void class_dev_iter_init(struct class_dev_iter *iter, struct class *class,
			 struct device *start, const struct device_type *type)
{
	struct klist_node *start_knode = NULL;

	if (start)
		start_knode = &start->knode_class;
	klist_iter_init_node(&class->p->klist_devices, &iter->ki, start_knode);
	iter->type = type;
}
Contributors
Person Tokens Prop Commits CommitProp
Tejun Heo 66 98.51% 1 50.00%
Kay Sievers 1 1.49% 1 50.00%
Total 67 100.00% 2 100.00%


EXPORT_SYMBOL_GPL(class_dev_iter_init);

/**
 * class_dev_iter_next - iterate to the next device
 * @iter: class iterator to proceed
 *
 * Proceed @iter to the next device and return it.  Returns NULL if
 * iteration is complete.
 *
 * The returned device is referenced and won't be released till
 * iterator is proceed to the next device or exited.  The caller is
 * free to do whatever it wants to do with the device including
 * calling back into class code.
 */


struct device *class_dev_iter_next(struct class_dev_iter *iter)
{
	struct klist_node *knode;
	struct device *dev;

	while (1) {
		knode = klist_next(&iter->ki);
		if (!knode)
			return NULL;
		dev = container_of(knode, struct device, knode_class);
		if (!iter->type || iter->type == dev->type)
			return dev;
	}
}
Contributors
Person Tokens Prop Commits CommitProp
Tejun Heo 76 100.00% 1 100.00%
Total 76 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(class_dev_iter_next);

/**
 * class_dev_iter_exit - finish iteration
 * @iter: class iterator to finish
 *
 * Finish an iteration.  Always call this function after iteration is
 * complete whether the iteration ran till the end or not.
 */


void class_dev_iter_exit(struct class_dev_iter *iter)
{
	klist_iter_exit(&iter->ki);
}
Contributors
Person Tokens Prop Commits CommitProp
Tejun Heo 18 100.00% 1 100.00%
Total 18 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(class_dev_iter_exit);

/**
 * class_for_each_device - device iterator
 * @class: the class we're iterating
 * @start: the device to start with in the list, if any.
 * @data: data for the callback
 * @fn: function to be called for each device
 *
 * Iterate over @class's list of devices, and call @fn for each,
 * passing it @data.  If @start is set, the list iteration will start
 * there, otherwise if it is NULL, the iteration starts at the
 * beginning of the list.
 *
 * We check the return of @fn each time. If it returns anything
 * other than 0, we break out and return that value.
 *
 * @fn is allowed to do anything including calling back into class
 * code.  There's no locking restriction.
 */


int class_for_each_device(struct class *class, struct device *start,
			  void *data, int (*fn)(struct device *, void *))
{
	struct class_dev_iter iter;
	struct device *dev;
	int error = 0;

	if (!class)
		return -EINVAL;
	if (!class->p) {
		WARN(1, "%s called for class '%s' before it was initialized",
		     __func__, class->name);
		return -EINVAL;
	}

	class_dev_iter_init(&iter, class, start, NULL);
	while ((dev = class_dev_iter_next(&iter))) {
		error = fn(dev, data);
		if (error)
			break;
	}
	class_dev_iter_exit(&iter);

	return error;
}
Contributors
Person Tokens Prop Commits CommitProp
Dave Young 63 48.09% 1 20.00%
David Brownell 26 19.85% 1 20.00%
Tejun Heo 20 15.27% 1 20.00%
Kay Sievers 14 10.69% 1 20.00%
Greg Kroah-Hartman 8 6.11% 1 20.00%
Total 131 100.00% 5 100.00%


EXPORT_SYMBOL_GPL(class_for_each_device);

/**
 * class_find_device - device iterator for locating a particular device
 * @class: the class we're iterating
 * @start: Device to begin with
 * @data: data for the match function
 * @match: function to check device
 *
 * This is similar to the class_for_each_dev() function above, but it
 * returns a reference to a device that is 'found' for later use, as
 * determined by the @match callback.
 *
 * The callback should return 0 if the device doesn't match and non-zero
 * if it does.  If the callback returns non-zero, this function will
 * return to the caller and not iterate over any more devices.
 *
 * Note, you will need to drop the reference with put_device() after use.
 *
 * @match is allowed to do anything including calling back into class
 * code.  There's no locking restriction.
 */


struct device *class_find_device(struct class *class, struct device *start,
				 const void *data,
				 int (*match)(struct device *, const void *))
{
	struct class_dev_iter iter;
	struct device *dev;

	if (!class)
		return NULL;
	if (!class->p) {
		WARN(1, "%s called for class '%s' before it was initialized",
		     __func__, class->name);
		return NULL;
	}

	class_dev_iter_init(&iter, class, start, NULL);
	while ((dev = class_dev_iter_next(&iter))) {
		if (match(dev, data)) {
			get_device(dev);
			break;
		}
	}
	class_dev_iter_exit(&iter);

	return dev;
}
Contributors
Person Tokens Prop Commits CommitProp
Dave Young 69 52.67% 1 16.67%
David Brownell 25 19.08% 1 16.67%
Tejun Heo 23 17.56% 1 16.67%
Greg Kroah-Hartman 8 6.11% 1 16.67%
Kay Sievers 4 3.05% 1 16.67%
Michał Mirosław 2 1.53% 1 16.67%
Total 131 100.00% 6 100.00%


EXPORT_SYMBOL_GPL(class_find_device);



int class_interface_register(struct class_interface *class_intf)
{
	struct class *parent;
	struct class_dev_iter iter;
	struct device *dev;

	if (!class_intf || !class_intf->class)
		return -ENODEV;

	parent = class_get(class_intf->class);
	if (!parent)
		return -EINVAL;

	mutex_lock(&parent->p->mutex);
	list_add_tail(&class_intf->node, &parent->p->interfaces);
	if (class_intf->add_dev) {
		class_dev_iter_init(&iter, parent, NULL, NULL);
		while ((dev = class_dev_iter_next(&iter)))
			class_intf->add_dev(dev, class_intf);
		class_dev_iter_exit(&iter);
	}
	mutex_unlock(&parent->p->mutex);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 75 53.19% 3 30.00%
Patrick Mochel 31 21.99% 4 40.00%
Tejun Heo 30 21.28% 1 10.00%
Kay Sievers 3 2.13% 1 10.00%
Dave Young 2 1.42% 1 10.00%
Total 141 100.00% 10 100.00%



void class_interface_unregister(struct class_interface *class_intf)
{
	struct class *parent = class_intf->class;
	struct class_dev_iter iter;
	struct device *dev;

	if (!parent)
		return;

	mutex_lock(&parent->p->mutex);
	list_del_init(&class_intf->node);
	if (class_intf->remove_dev) {
		class_dev_iter_init(&iter, parent, NULL, NULL);
		while ((dev = class_dev_iter_next(&iter)))
			class_intf->remove_dev(dev, class_intf);
		class_dev_iter_exit(&iter);
	}
	mutex_unlock(&parent->p->mutex);

	class_put(parent);
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 59 51.75% 3 33.33%
Tejun Heo 30 26.32% 1 11.11%
Patrick Mochel 21 18.42% 3 33.33%
Dave Young 2 1.75% 1 11.11%
Kay Sievers 2 1.75% 1 11.11%
Total 114 100.00% 9 100.00%



ssize_t show_class_attr_string(struct class *class,
			       struct class_attribute *attr, char *buf)
{
	struct class_attribute_string *cs;

	cs = container_of(attr, struct class_attribute_string, attr);
	return snprintf(buf, PAGE_SIZE, "%s\n", cs->str);
}

Contributors
Person Tokens Prop Commits CommitProp
Andi Kleen 50 100.00% 1 100.00%
Total 50 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(show_class_attr_string);


struct class_compat {
	
struct kobject *kobj;
};

/**
 * class_compat_register - register a compatibility class
 * @name: the name of the class
 *
 * Compatibility class are meant as a temporary user-space compatibility
 * workaround when converting a family of class devices to a bus devices.
 */


struct class_compat *class_compat_register(const char *name)
{
	struct class_compat *cls;

	cls = kmalloc(sizeof(struct class_compat), GFP_KERNEL);
	if (!cls)
		return NULL;
	cls->kobj = kobject_create_and_add(name, &class_kset->kobj);
	if (!cls->kobj) {
		kfree(cls);
		return NULL;
	}
	return cls;
}
Contributors
Person Tokens Prop Commits CommitProp
Jean Delvare 72 100.00% 1 100.00%
Total 72 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(class_compat_register);

/**
 * class_compat_unregister - unregister a compatibility class
 * @cls: the class to unregister
 */


void class_compat_unregister(struct class_compat *cls)
{
	kobject_put(cls->kobj);
	kfree(cls);
}
Contributors
Person Tokens Prop Commits CommitProp
Jean Delvare 22 100.00% 1 100.00%
Total 22 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(class_compat_unregister);

/**
 * class_compat_create_link - create a compatibility class device link to
 *                            a bus device
 * @cls: the compatibility class
 * @dev: the target bus device
 * @device_link: an optional device to which a "device" link should be created
 */


int class_compat_create_link(struct class_compat *cls, struct device *dev,
			     struct device *device_link)
{
	int error;

	error = sysfs_create_link(cls->kobj, &dev->kobj, dev_name(dev));
	if (error)
		return error;

	/*
         * Optionally add a "device" link (typically to the parent), as a
         * class device would have one and we want to provide as much
         * backwards compatibility as possible.
         */
	if (device_link) {
		error = sysfs_create_link(&dev->kobj, &device_link->kobj,
					  "device");
		if (error)
			sysfs_remove_link(cls->kobj, dev_name(dev));
	}

	return error;
}
Contributors
Person Tokens Prop Commits CommitProp
Jean Delvare 92 100.00% 1 100.00%
Total 92 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(class_compat_create_link);

/**
 * class_compat_remove_link - remove a compatibility class device link to
 *                            a bus device
 * @cls: the compatibility class
 * @dev: the target bus device
 * @device_link: an optional device to which a "device" link was previously
 *               created
 */


void class_compat_remove_link(struct class_compat *cls, struct device *dev,
			      struct device *device_link)
{
	if (device_link)
		sysfs_remove_link(&dev->kobj, "device");
	sysfs_remove_link(cls->kobj, dev_name(dev));
}
Contributors
Person Tokens Prop Commits CommitProp
Jean Delvare 46 100.00% 1 100.00%
Total 46 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(class_compat_remove_link);



int __init classes_init(void)
{
	class_kset = kset_create_and_add("class", NULL, NULL);
	if (!class_kset)
		return -ENOMEM;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 20 64.52% 2 50.00%
Patrick Mochel 11 35.48% 2 50.00%
Total 31 100.00% 4 100.00%


EXPORT_SYMBOL_GPL(class_create_file_ns);

EXPORT_SYMBOL_GPL(class_remove_file_ns);

EXPORT_SYMBOL_GPL(class_unregister);

EXPORT_SYMBOL_GPL(class_destroy);


EXPORT_SYMBOL_GPL(class_interface_register);

EXPORT_SYMBOL_GPL(class_interface_unregister);
Overall Contributors
Person Tokens Prop Commits CommitProp
Greg Kroah-Hartman 757 32.14% 24 34.78%
Patrick Mochel 485 20.59% 12 17.39%
Tejun Heo 369 15.67% 2 2.90%
Jean Delvare 266 11.30% 1 1.45%
Dave Young 151 6.41% 2 2.90%
Kay Sievers 83 3.52% 6 8.70%
Andi Kleen 62 2.63% 3 4.35%
David Brownell 51 2.17% 1 1.45%
Eric W. Biedermann 41 1.74% 1 1.45%
Matthew Wilcox 28 1.19% 2 2.90%
Leann Ogasawara 19 0.81% 1 1.45%
Dan J Williams 14 0.59% 1 1.45%
Laurent Pinchart 5 0.21% 1 1.45%
Art Haas 4 0.17% 1 1.45%
Dmitry Torokhov 4 0.17% 1 1.45%
Jiri Slaby 3 0.13% 1 1.45%
Tim Schmielau 3 0.13% 1 1.45%
Rolf Eike Beer 2 0.08% 2 2.90%
Michał Mirosław 2 0.08% 1 1.45%
Stephen Hemminger 2 0.08% 1 1.45%
Emese Revfy 1 0.04% 1 1.45%
Miguel Ojeda Sandonis 1 0.04% 1 1.45%
Harvey Harrison 1 0.04% 1 1.45%
Jani Nikula 1 0.04% 1 1.45%
Total 2355 100.00% 69 100.00%
Directory: drivers/base

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.
Person	Tokens	Prop	Commits	CommitProp
Patrick Mochel	58	82.86%	1	16.67%
Greg Kroah-Hartman	6	8.57%	2	33.33%
Kay Sievers	2	2.86%	1	16.67%
Dmitry Torokhov	2	2.86%	1	16.67%
Andi Kleen	2	2.86%	1	16.67%
Total	70	100.00%	6	100.00%
cregit-Linux how code gets into the kernel

Release 4.12 drivers/base/class.c

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