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Commit ecbaa83e authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

driver core: remove class_attrs from struct class 



This field is no longer used or needed (use class_groups instead), so it
can be removed along with the driver core functionality that created and
removed these files.

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent dc307f92

drivers/base/class.c

+0 −33
Original line number Diff line number Diff line
@@ -119,36 +119,6 @@ static void class_put(struct class *cls) 
		kset_put(&cls->p->subsys);

}



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;

}



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]);

	}

}



static void klist_class_dev_get(struct klist_node *n)

{

	struct device *dev = container_of(n, struct device, knode_class);
@@ -217,8 +187,6 @@ int __class_register(struct class *cls, struct lock_class_key *key) 
	}

	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;

}

EXPORT_SYMBOL_GPL(__class_register);
@@ -226,7 +194,6 @@ 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);

}

include/linux/device.h

+0 −2
Original line number Diff line number Diff line
@@ -365,7 +365,6 @@ int subsys_virtual_register(struct bus_type *subsys, 
 * struct class - device classes

 * @name:	Name of the class.

 * @owner:	The module owner.

 * @class_attrs: Default attributes of this class.

 * @class_groups: Default attributes of this class.

 * @dev_groups:	Default attributes of the devices that belong to the class.

 * @dev_kobj:	The kobject that represents this class and links it into the hierarchy.
@@ -394,7 +393,6 @@ struct class { 
	const char		*name;

	struct module		*owner;



	struct class_attribute		*class_attrs;

	const struct attribute_group	**class_groups;

	const struct attribute_group	**dev_groups;

	struct kobject			*dev_kobj;