}
/* needed to allow these devices to have parent class devices */
-static int class_device_create_hotplug(struct class_device *class_dev,
+static int class_device_create_uevent(struct class_device *class_dev,
char **envp, int num_envp,
char *buffer, int buffer_size)
{
.release = class_dev_release,
};
-static int class_hotplug_filter(struct kset *kset, struct kobject *kobj)
+static int class_uevent_filter(struct kset *kset, struct kobject *kobj)
{
struct kobj_type *ktype = get_ktype(kobj);
return 0;
}
-static const char *class_hotplug_name(struct kset *kset, struct kobject *kobj)
+static const char *class_uevent_name(struct kset *kset, struct kobject *kobj)
{
struct class_device *class_dev = to_class_dev(kobj);
return class_dev->class->name;
}
-static int class_hotplug(struct kset *kset, struct kobject *kobj, char **envp,
+static int class_uevent(struct kset *kset, struct kobject *kobj, char **envp,
int num_envp, char *buffer, int buffer_size)
{
struct class_device *class_dev = to_class_dev(kobj);
struct device *dev = class_dev->dev;
char *path = kobject_get_path(&dev->kobj, GFP_KERNEL);
- add_hotplug_env_var(envp, num_envp, &i, buffer, buffer_size,
- &length, "PHYSDEVPATH=%s", path);
+ add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
+ &length, "PHYSDEVPATH=%s", path);
kfree(path);
if (dev->bus)
- add_hotplug_env_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVBUS=%s", dev->bus->name);
+ add_uevent_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "PHYSDEVBUS=%s", dev->bus->name);
if (dev->driver)
- add_hotplug_env_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVDRIVER=%s", dev->driver->name);
+ add_uevent_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "PHYSDEVDRIVER=%s", dev->driver->name);
}
if (MAJOR(class_dev->devt)) {
- add_hotplug_env_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MAJOR=%u", MAJOR(class_dev->devt));
+ add_uevent_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "MAJOR=%u", MAJOR(class_dev->devt));
- add_hotplug_env_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MINOR=%u", MINOR(class_dev->devt));
+ add_uevent_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "MINOR=%u", MINOR(class_dev->devt));
}
/* terminate, set to next free slot, shrink available space */
buffer = &buffer[length];
buffer_size -= length;
- if (class_dev->hotplug) {
+ if (class_dev->uevent) {
/* have the class device specific function add its stuff */
- retval = class_dev->hotplug(class_dev, envp, num_envp,
+ retval = class_dev->uevent(class_dev, envp, num_envp,
buffer, buffer_size);
if (retval)
- pr_debug("class_dev->hotplug() returned %d\n", retval);
- } else if (class_dev->class->hotplug) {
+ pr_debug("class_dev->uevent() returned %d\n", retval);
+ } else if (class_dev->class->uevent) {
/* have the class specific function add its stuff */
- retval = class_dev->class->hotplug(class_dev, envp, num_envp,
+ retval = class_dev->class->uevent(class_dev, envp, num_envp,
buffer, buffer_size);
if (retval)
- pr_debug("class->hotplug() returned %d\n", retval);
+ pr_debug("class->uevent() returned %d\n", retval);
}
return retval;
}
-static struct kset_hotplug_ops class_hotplug_ops = {
- .filter = class_hotplug_filter,
- .name = class_hotplug_name,
- .hotplug = class_hotplug,
+static struct kset_uevent_ops class_uevent_ops = {
+ .filter = class_uevent_filter,
+ .name = class_uevent_name,
+ .uevent = class_uevent,
};
-static decl_subsys(class_obj, &ktype_class_device, &class_hotplug_ops);
+static decl_subsys(class_obj, &ktype_class_device, &class_uevent_ops);
static int class_device_add_attrs(struct class_device * cd)
}
}
+static int class_device_add_groups(struct class_device * cd)
+{
+ int i;
+ int error = 0;
+
+ if (cd->groups) {
+ for (i = 0; cd->groups[i]; i++) {
+ error = sysfs_create_group(&cd->kobj, cd->groups[i]);
+ if (error) {
+ while (--i >= 0)
+ sysfs_remove_group(&cd->kobj, cd->groups[i]);
+ goto out;
+ }
+ }
+ }
+out:
+ return error;
+}
+
+static void class_device_remove_groups(struct class_device * cd)
+{
+ int i;
+ if (cd->groups) {
+ for (i = 0; cd->groups[i]; i++) {
+ sysfs_remove_group(&cd->kobj, cd->groups[i]);
+ }
+ }
+}
+
static ssize_t show_dev(struct class_device *class_dev, char *buf)
{
return print_dev_t(buf, class_dev->devt);
static ssize_t store_uevent(struct class_device *class_dev,
const char *buf, size_t count)
{
- kobject_hotplug(&class_dev->kobj, KOBJ_ADD);
+ kobject_uevent(&class_dev->kobj, KOBJ_ADD);
return count;
}
class_name);
}
- kobject_hotplug(&class_dev->kobj, KOBJ_ADD);
+ class_device_add_groups(class_dev);
+
+ kobject_uevent(&class_dev->kobj, KOBJ_ADD);
/* notify any interfaces this device is now here */
- if (parent_class) {
- down(&parent_class->sem);
- list_add_tail(&class_dev->node, &parent_class->children);
- list_for_each_entry(class_intf, &parent_class->interfaces, node)
- if (class_intf->add)
- class_intf->add(class_dev, class_intf);
- up(&parent_class->sem);
+ down(&parent_class->sem);
+ list_add_tail(&class_dev->node, &parent_class->children);
+ list_for_each_entry(class_intf, &parent_class->interfaces, node) {
+ if (class_intf->add)
+ class_intf->add(class_dev, class_intf);
}
+ up(&parent_class->sem);
register_done:
if (error) {
class_dev->class = cls;
class_dev->parent = parent;
class_dev->release = class_device_create_release;
- class_dev->hotplug = class_device_create_hotplug;
+ class_dev->uevent = class_device_create_uevent;
va_start(args, fmt);
vsnprintf(class_dev->class_id, BUS_ID_SIZE, fmt, args);
if (class_dev->devt_attr)
class_device_remove_file(class_dev, class_dev->devt_attr);
class_device_remove_attrs(class_dev);
+ class_device_remove_groups(class_dev);
- kobject_hotplug(&class_dev->kobj, KOBJ_REMOVE);
+ kobject_uevent(&class_dev->kobj, KOBJ_REMOVE);
kobject_del(&class_dev->kobj);
class_device_put(parent_device);