drivers/base/class.c

129 int class_create_file_ns(const struct class *cls, const struct class_attribute *attr,
132 	struct subsys_private *sp = class_to_subsys(cls);
145 void class_remove_file_ns(const struct class *cls, const struct class_attribute *attr,
148 	struct subsys_private *sp = class_to_subsys(cls);
178 int class_register(const struct class *cls)
184 	pr_debug("device class '%s': registering\n", cls->name);
195 	error = kobject_set_name(&cp->subsys.kobj, "%s", cls->name);
201 	cp->class = cls;
207 	error = sysfs_create_groups(&cp->subsys.kobj, cls->class_groups);
222 void class_unregister(const struct class *cls)
224 	struct subsys_private *sp = class_to_subsys(cls);
229 	pr_debug("device class '%s': unregistering\n", cls->name);
231 	sysfs_remove_groups(&sp->subsys.kobj, cls->class_groups);
237 static void class_create_release(const struct class *cls)
239 	pr_debug("%s called for %s\n", __func__, cls->name);
240 	kfree(cls);
257 	struct class *cls;
260 	cls = kzalloc(sizeof(*cls), GFP_KERNEL);
261 	if (!cls) {
266 	cls->name = name;
267 	cls->class_release = class_create_release;
269 	retval = class_register(cls);
273 	return cls;
276 	kfree(cls);
283  * @cls: pointer to the struct class that is to be destroyed
288 void class_destroy(const struct class *cls)
290 	if (IS_ERR_OR_NULL(cls))
293 	class_unregister(cls);
557 	struct class_compat *cls;
559 	cls = kmalloc(sizeof(struct class_compat), GFP_KERNEL);
560 	if (!cls)
562 	cls->kobj = kobject_create_and_add(name, &class_kset->kobj);
563 	if (!cls->kobj) {
564 		kfree(cls);
567 	return cls;
573  * @cls: the class to unregister
575 void class_compat_unregister(struct class_compat *cls)
577 	kobject_put(cls->kobj);
578 	kfree(cls);
585  * @cls: the compatibility class
589 int class_compat_create_link(struct class_compat *cls, struct device *dev,
594 	error = sysfs_create_link(cls->kobj, &dev->kobj, dev_name(dev));
607 			sysfs_remove_link(cls->kobj, dev_name(dev));
617  * @cls: the compatibility class
622 void class_compat_remove_link(struct class_compat *cls, struct device *dev,
627 	sysfs_remove_link(cls->kobj, dev_name(dev));