#include <linux/kdev_t.h>
#include <linux/err.h>
#include <linux/slab.h>
+#include <linux/genhd.h>
#include "base.h"
#define to_class_attr(_attr) container_of(_attr, struct class_attribute, attr)
.store = class_attr_store,
};
-static struct kobj_type ktype_class = {
+static struct kobj_type class_ktype = {
.sysfs_ops = &class_sysfs_ops,
.release = class_release,
};
/* Hotplug events for classes go to the class_obj subsys */
-static decl_subsys(class, &ktype_class, NULL);
+static struct kset *class_kset;
int class_create_file(struct class * cls, const struct class_attribute * attr)
static struct class *class_get(struct class *cls)
{
if (cls)
- return container_of(subsys_get(&cls->subsys), struct class, subsys);
+ return container_of(kset_get(&cls->subsys), struct class, subsys);
return NULL;
}
if (error)
return error;
- cls->subsys.kobj.kset = &class_subsys;
+#ifdef CONFIG_SYSFS_DEPRECATED
+ /* let the block class directory show up in the root of sysfs */
+ if (cls != &block_class)
+ cls->subsys.kobj.kset = class_kset;
+#else
+ cls->subsys.kobj.kset = class_kset;
+#endif
+ cls->subsys.kobj.ktype = &class_ktype;
- error = subsystem_register(&cls->subsys);
+ error = kset_register(&cls->subsys);
if (!error) {
error = add_class_attrs(class_get(cls));
class_put(cls);
{
pr_debug("device class '%s': unregistering\n", cls->name);
remove_class_attrs(cls);
- subsystem_unregister(&cls->subsys);
+ kset_unregister(&cls->subsys);
}
static void class_create_release(struct class *cls)
}
}
-static struct kobj_type ktype_class_device = {
+static struct kobj_type class_device_ktype = {
.sysfs_ops = &class_dev_sysfs_ops,
.release = class_dev_release,
};
{
struct kobj_type *ktype = get_ktype(kobj);
- if (ktype == &ktype_class_device) {
+ if (ktype == &class_device_ktype) {
struct class_device *class_dev = to_class_dev(kobj);
if (class_dev->class)
return 1;
.uevent = class_uevent,
};
-static decl_subsys(class_obj, &ktype_class_device, &class_uevent_ops);
-
+/*
+ * DO NOT copy how this is created, kset_create_and_add() should be
+ * called, but this is a hold-over from the old-way and will be deleted
+ * entirely soon.
+ */
+static struct kset class_obj_subsys = {
+ .uevent_ops = &class_uevent_ops,
+};
static int class_device_add_attrs(struct class_device * cd)
{
void class_device_initialize(struct class_device *class_dev)
{
- kobj_set_kset_s(class_dev, class_obj_subsys);
- kobject_init(&class_dev->kobj);
+ class_dev->kobj.kset = &class_obj_subsys;
+ kobject_init(&class_dev->kobj, &class_device_ktype);
INIT_LIST_HEAD(&class_dev->node);
}
class_dev->class_id);
/* first, register with generic layer. */
- error = kobject_set_name(&class_dev->kobj, "%s", class_dev->class_id);
- if (error)
- goto out2;
-
if (parent_class_dev)
class_dev->kobj.parent = &parent_class_dev->kobj;
else
class_dev->kobj.parent = &parent_class->subsys.kobj;
- error = kobject_add(&class_dev->kobj);
+ error = kobject_add(&class_dev->kobj, class_dev->kobj.parent,
+ "%s", class_dev->class_id);
if (error)
goto out2;
int __init classes_init(void)
{
- int retval;
-
- retval = subsystem_register(&class_subsys);
- if (retval)
- return retval;
+ class_kset = kset_create_and_add("class", NULL, NULL);
+ if (!class_kset)
+ return -ENOMEM;
/* ick, this is ugly, the things we go through to keep from showing up
* in sysfs... */
- subsystem_init(&class_obj_subsys);
+ kset_init(&class_obj_subsys);
+ kobject_set_name(&class_obj_subsys.kobj, "class_obj");
if (!class_obj_subsys.kobj.parent)
class_obj_subsys.kobj.parent = &class_obj_subsys.kobj;
return 0;