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driver core: class: remove struct module owner out of struct class

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The module owner field for a struct class was never actually used, so
remove it as it is not doing anything at all.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230313181843.1207845-3-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2023-03-13 19:18:34 +01:00
parent 10a03c36b7
commit 6e30a66433
2 changed files with 10 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/device/class.h
+7 -11
View File
@@ -25,7 +25,6 @@ struct fwnode_handle;
/**
* struct class - device classes
* @name: Name of the class.
* @owner: The module owner.
* @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.
@@ -53,7 +52,6 @@ struct fwnode_handle;
*/
struct class {
const char *name;
struct module *owner;
const struct attribute_group **class_groups;
const struct attribute_group **dev_groups;
@@ -85,16 +83,15 @@ struct class_dev_iter {
extern struct kobject *sysfs_dev_block_kobj;
extern struct kobject *sysfs_dev_char_kobj;
extern int __must_check __class_register(struct class *class,
struct module *owner,
struct lock_class_key *key);
extern void class_unregister(struct class *class);
/* This is a #define to keep the compiler from merging different
* instances of the __key variable */
#define class_register(class) \
({ \
static struct lock_class_key __key; \
__class_register(class, THIS_MODULE, &__key); \
#define class_register(class) \
({ \
static struct lock_class_key __key; \
__class_register(class, &__key); \
})
struct class_compat;
@@ -250,8 +247,7 @@ struct class_interface {
extern int __must_check class_interface_register(struct class_interface *);
extern void class_interface_unregister(struct class_interface *);
extern struct class * __must_check __class_create(struct module *owner,
const char *name,
extern struct class * __must_check __class_create(const char *name,
struct lock_class_key *key);
extern void class_destroy(struct class *cls);
@@ -260,7 +256,7 @@ extern void class_destroy(struct class *cls);
/**
* class_create - create a struct class structure
* @owner: pointer to the module that is to "own" this struct class
* @owner: dummy pointer, does nothing, will be removed soon.
* @name: pointer to a string for the name of this class.
*
* This is used to create a struct class pointer that can then be used
@@ -274,7 +270,7 @@ extern void class_destroy(struct class *cls);
#define class_create(owner, name) \
({ \
static struct lock_class_key __key; \
__class_create(owner, name, &__key); \
__class_create(name, &__key); \
})