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driver core: class: add class_groups support

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struct class needs to have a set of default groups that are added, as
adding individual attributes does not work well in the long run.  So add
support for that.

Future patches will convert the existing usages of class_attrs to use
class_groups and then class_attrs will go away.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2016-11-28 16:41:41 +01:00
parent b5a0623444
commit ced6473e74
2 changed files with 17 additions and 0 deletions
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2
include/linux/device.h
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@@ -362,6 +362,7 @@ int subsys_virtual_register(struct bus_type *subsys,
* @name: Name of the class.
* @owner: The module owner.
* @class_attrs: Default attributes of this 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
@@ -390,6 +391,7 @@ struct class {
struct module *owner;
struct class_attribute *class_attrs;
const struct attribute_group **class_groups;
const struct attribute_group **dev_groups;
struct kobject *dev_kobj;