diff options
Diffstat (limited to 'lib/kobject.c')
-rw-r--r-- | lib/kobject.c | 69 |
1 files changed, 8 insertions, 61 deletions
diff --git a/lib/kobject.c b/lib/kobject.c index cecf2fbede3e..fc5f3f6e7329 100644 --- a/lib/kobject.c +++ b/lib/kobject.c | |||
@@ -582,22 +582,10 @@ void kset_init(struct kset * k) | |||
582 | /** | 582 | /** |
583 | * kset_add - add a kset object to the hierarchy. | 583 | * kset_add - add a kset object to the hierarchy. |
584 | * @k: kset. | 584 | * @k: kset. |
585 | * | ||
586 | * Simply, this adds the kset's embedded kobject to the | ||
587 | * hierarchy. | ||
588 | * We also try to make sure that the kset's embedded kobject | ||
589 | * has a parent before it is added. We only care if the embedded | ||
590 | * kobject is not part of a kset itself, since kobject_add() | ||
591 | * assigns a parent in that case. | ||
592 | * If that is the case, and the kset has a controlling subsystem, | ||
593 | * then we set the kset's parent to be said subsystem. | ||
594 | */ | 585 | */ |
595 | 586 | ||
596 | int kset_add(struct kset * k) | 587 | int kset_add(struct kset * k) |
597 | { | 588 | { |
598 | if (!k->kobj.parent && !k->kobj.kset && k->subsys) | ||
599 | k->kobj.parent = &k->subsys->kset.kobj; | ||
600 | |||
601 | return kobject_add(&k->kobj); | 589 | return kobject_add(&k->kobj); |
602 | } | 590 | } |
603 | 591 | ||
@@ -656,53 +644,28 @@ struct kobject * kset_find_obj(struct kset * kset, const char * name) | |||
656 | return ret; | 644 | return ret; |
657 | } | 645 | } |
658 | 646 | ||
659 | 647 | void subsystem_init(struct kset *s) | |
660 | void subsystem_init(struct subsystem * s) | ||
661 | { | 648 | { |
662 | kset_init(&s->kset); | 649 | kset_init(s); |
663 | } | 650 | } |
664 | 651 | ||
665 | /** | 652 | int subsystem_register(struct kset *s) |
666 | * subsystem_register - register a subsystem. | ||
667 | * @s: the subsystem we're registering. | ||
668 | * | ||
669 | * Once we register the subsystem, we want to make sure that | ||
670 | * the kset points back to this subsystem. | ||
671 | */ | ||
672 | |||
673 | int subsystem_register(struct subsystem * s) | ||
674 | { | 653 | { |
675 | int error; | 654 | return kset_register(s); |
676 | |||
677 | if (!s) | ||
678 | return -EINVAL; | ||
679 | |||
680 | subsystem_init(s); | ||
681 | pr_debug("subsystem %s: registering\n",s->kset.kobj.name); | ||
682 | |||
683 | if (!(error = kset_add(&s->kset))) { | ||
684 | if (!s->kset.subsys) | ||
685 | s->kset.subsys = s; | ||
686 | } | ||
687 | return error; | ||
688 | } | 655 | } |
689 | 656 | ||
690 | void subsystem_unregister(struct subsystem * s) | 657 | void subsystem_unregister(struct kset *s) |
691 | { | 658 | { |
692 | if (!s) | 659 | kset_unregister(s); |
693 | return; | ||
694 | pr_debug("subsystem %s: unregistering\n",s->kset.kobj.name); | ||
695 | kset_unregister(&s->kset); | ||
696 | } | 660 | } |
697 | 661 | ||
698 | |||
699 | /** | 662 | /** |
700 | * subsystem_create_file - export sysfs attribute file. | 663 | * subsystem_create_file - export sysfs attribute file. |
701 | * @s: subsystem. | 664 | * @s: subsystem. |
702 | * @a: subsystem attribute descriptor. | 665 | * @a: subsystem attribute descriptor. |
703 | */ | 666 | */ |
704 | 667 | ||
705 | int subsys_create_file(struct subsystem * s, struct subsys_attribute * a) | 668 | int subsys_create_file(struct kset *s, struct subsys_attribute *a) |
706 | { | 669 | { |
707 | int error = 0; | 670 | int error = 0; |
708 | 671 | ||
@@ -710,28 +673,12 @@ int subsys_create_file(struct subsystem * s, struct subsys_attribute * a) | |||
710 | return -EINVAL; | 673 | return -EINVAL; |
711 | 674 | ||
712 | if (subsys_get(s)) { | 675 | if (subsys_get(s)) { |
713 | error = sysfs_create_file(&s->kset.kobj,&a->attr); | 676 | error = sysfs_create_file(&s->kobj, &a->attr); |
714 | subsys_put(s); | 677 | subsys_put(s); |
715 | } | 678 | } |
716 | return error; | 679 | return error; |
717 | } | 680 | } |
718 | 681 | ||
719 | |||
720 | /** | ||
721 | * subsystem_remove_file - remove sysfs attribute file. | ||
722 | * @s: subsystem. | ||
723 | * @a: attribute desciptor. | ||
724 | */ | ||
725 | #if 0 | ||
726 | void subsys_remove_file(struct subsystem * s, struct subsys_attribute * a) | ||
727 | { | ||
728 | if (subsys_get(s)) { | ||
729 | sysfs_remove_file(&s->kset.kobj,&a->attr); | ||
730 | subsys_put(s); | ||
731 | } | ||
732 | } | ||
733 | #endif /* 0 */ | ||
734 | |||
735 | EXPORT_SYMBOL(kobject_init); | 682 | EXPORT_SYMBOL(kobject_init); |
736 | EXPORT_SYMBOL(kobject_register); | 683 | EXPORT_SYMBOL(kobject_register); |
737 | EXPORT_SYMBOL(kobject_unregister); | 684 | EXPORT_SYMBOL(kobject_unregister); |