diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-31 11:33:16 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-31 17:45:11 +0200 |
| commit | e78195d52981fc634a4e1e66610a316088bd7458 (patch) | |
| tree | c6d53488401dafb57d067a937b338a7ee464b3c2 | |
| parent | d6bdbbdfb0d45a92407b90209e377bf8c0ed49e9 (diff) | |
driver core: class: remove dev_kobj from struct class
The dev_kobj field in struct class is now only written to, but never
read from, so it can be removed as it is useless.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230331093318.82288-5-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | block/genhd.c | 1 | ||||
| -rw-r--r-- | drivers/base/class.c | 4 | ||||
| -rw-r--r-- | include/linux/device/class.h | 2 |
3 files changed, 0 insertions, 7 deletions
diff --git a/block/genhd.c b/block/genhd.c index e1e1230b1b9f..af7208a37c53 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -899,7 +899,6 @@ static int __init genhd_device_init(void) { int error; - block_class.dev_kobj = sysfs_dev_block_kobj; error = class_register(&block_class); if (unlikely(error)) return error; diff --git a/drivers/base/class.c b/drivers/base/class.c index fcfb295363cc..06b96d6faa19 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -197,10 +197,6 @@ int class_register(struct class *cls) return error; } - /* set the default /sys/dev directory for devices of this class */ - if (!cls->dev_kobj) - cls->dev_kobj = sysfs_dev_char_kobj; - cp->subsys.kobj.kset = class_kset; cp->subsys.kobj.ktype = &class_ktype; cp->class = cls; diff --git a/include/linux/device/class.h b/include/linux/device/class.h index f7aad64e256a..e946642c314e 100644 --- a/include/linux/device/class.h +++ b/include/linux/device/class.h @@ -27,7 +27,6 @@ struct fwnode_handle; * @name: Name of the class. * @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. * @dev_uevent: Called when a device is added, removed from this class, or a * few other things that generate uevents to add the environment * variables. @@ -55,7 +54,6 @@ struct class { const struct attribute_group **class_groups; const struct attribute_group **dev_groups; - struct kobject *dev_kobj; int (*dev_uevent)(const struct device *dev, struct kobj_uevent_env *env); char *(*devnode)(const struct device *dev, umode_t *mode); |