V4L/DVB (4310): Saa7134: rename dmasound_{init, exit}

[linux-2.6] / drivers / base / class.c

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 48ad5df7281258fb83cceb64175e373170966bb9..de8908320f235f0d92b9a21b7cea4b9ea96375c7 100644 (file)
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -10,7 +10,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -91,14 +90,14 @@ void class_remove_file(struct class * cls, const struct class_attribute * attr)
                sysfs_remove_file(&cls->subsys.kset.kobj, &attr->attr);
 }
 
-struct class * class_get(struct class * cls)
+static struct class *class_get(struct class *cls)
 {
        if (cls)
                return container_of(subsys_get(&cls->subsys), struct class, subsys);
        return NULL;
 }
 
-void class_put(struct class * cls)
+static void class_put(struct class * cls)
 {
        if (cls)
                subsys_put(&cls->subsys);
@@ -142,6 +141,7 @@ int class_register(struct class * cls)
        pr_debug("device class '%s': registering\n", cls->name);
 
        INIT_LIST_HEAD(&cls->children);
+       INIT_LIST_HEAD(&cls->devices);
        INIT_LIST_HEAD(&cls->interfaces);
        init_MUTEX(&cls->sem);
        error = kobject_set_name(&cls->subsys.kset.kobj, "%s", cls->name);
@@ -504,22 +504,21 @@ void class_device_initialize(struct class_device *class_dev)
        INIT_LIST_HEAD(&class_dev->node);
 }
 
-static char *make_class_name(struct class_device *class_dev)
+char *make_class_name(const char *name, struct kobject *kobj)
 {
-       char *name;
+       char *class_name;
        int size;
 
-       size = strlen(class_dev->class->name) +
-               strlen(kobject_name(&class_dev->kobj)) + 2;
+       size = strlen(name) + strlen(kobject_name(kobj)) + 2;
 
-       name = kmalloc(size, GFP_KERNEL);
-       if (!name)
+       class_name = kmalloc(size, GFP_KERNEL);
+       if (!class_name)
                return ERR_PTR(-ENOMEM);
 
-       strcpy(name, class_dev->class->name);
-       strcat(name, ":");
-       strcat(name, kobject_name(&class_dev->kobj));
-       return name;
+       strcpy(class_name, name);
+       strcat(class_name, ":");
+       strcat(class_name, kobject_name(kobj));
+       return class_name;
 }
 
 int class_device_add(struct class_device *class_dev)
@@ -561,6 +560,7 @@ int class_device_add(struct class_device *class_dev)
                goto out2;
 
        /* add the needed attributes to this device */
+       sysfs_create_link(&class_dev->kobj, &parent_class->subsys.kset.kobj, "subsystem");
        class_dev->uevent_attr.attr.name = "uevent";
        class_dev->uevent_attr.attr.mode = S_IWUSR;
        class_dev->uevent_attr.attr.owner = parent_class->owner;
@@ -594,7 +594,8 @@ int class_device_add(struct class_device *class_dev)
                goto out5;
 
        if (class_dev->dev) {
-               class_name = make_class_name(class_dev);
+               class_name = make_class_name(class_dev->class->name,
+                                            &class_dev->kobj);
                error = sysfs_create_link(&class_dev->kobj,
                                          &class_dev->dev->kobj, "device");
                if (error)
@@ -731,10 +732,12 @@ void class_device_del(struct class_device *class_dev)
        }
 
        if (class_dev->dev) {
-               class_name = make_class_name(class_dev);
+               class_name = make_class_name(class_dev->class->name,
+                                            &class_dev->kobj);
                sysfs_remove_link(&class_dev->kobj, "device");
                sysfs_remove_link(&class_dev->dev->kobj, class_name);
        }
+       sysfs_remove_link(&class_dev->kobj, "subsystem");
        class_device_remove_file(class_dev, &class_dev->uevent_attr);
        if (class_dev->devt_attr)
                class_device_remove_file(class_dev, class_dev->devt_attr);
@@ -796,14 +799,16 @@ int class_device_rename(struct class_device *class_dev, char *new_name)
                 new_name);
 
        if (class_dev->dev)
-               old_class_name = make_class_name(class_dev);
+               old_class_name = make_class_name(class_dev->class->name,
+                                                &class_dev->kobj);
 
        strlcpy(class_dev->class_id, new_name, KOBJ_NAME_LEN);
 
        error = kobject_rename(&class_dev->kobj, new_name);
 
        if (class_dev->dev) {
-               new_class_name = make_class_name(class_dev);
+               new_class_name = make_class_name(class_dev->class->name,
+                                                &class_dev->kobj);
                sysfs_create_link(&class_dev->dev->kobj, &class_dev->kobj,
                                  new_class_name);
                sysfs_remove_link(&class_dev->dev->kobj, old_class_name);
@@ -894,8 +899,6 @@ EXPORT_SYMBOL_GPL(class_create_file);
 EXPORT_SYMBOL_GPL(class_remove_file);
 EXPORT_SYMBOL_GPL(class_register);
 EXPORT_SYMBOL_GPL(class_unregister);
-EXPORT_SYMBOL_GPL(class_get);
-EXPORT_SYMBOL_GPL(class_put);
 EXPORT_SYMBOL_GPL(class_create);
 EXPORT_SYMBOL_GPL(class_destroy);