diff options
Diffstat (limited to 'arch/microblaze/kernel/prom.c')
| -rw-r--r-- | arch/microblaze/kernel/prom.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 901d538c15ef..a38e3733a09c 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c | |||
| @@ -606,119 +606,6 @@ out_unlock: | |||
| 606 | write_unlock_irqrestore(&devtree_lock, flags); | 606 | write_unlock_irqrestore(&devtree_lock, flags); |
| 607 | } | 607 | } |
| 608 | 608 | ||
| 609 | /* | ||
| 610 | * Add a property to a node | ||
| 611 | */ | ||
| 612 | int prom_add_property(struct device_node *np, struct property *prop) | ||
| 613 | { | ||
| 614 | struct property **next; | ||
| 615 | unsigned long flags; | ||
| 616 | |||
| 617 | prop->next = NULL; | ||
| 618 | write_lock_irqsave(&devtree_lock, flags); | ||
| 619 | next = &np->properties; | ||
| 620 | while (*next) { | ||
| 621 | if (strcmp(prop->name, (*next)->name) == 0) { | ||
| 622 | /* duplicate ! don't insert it */ | ||
| 623 | write_unlock_irqrestore(&devtree_lock, flags); | ||
| 624 | return -1; | ||
| 625 | } | ||
| 626 | next = &(*next)->next; | ||
| 627 | } | ||
| 628 | *next = prop; | ||
| 629 | write_unlock_irqrestore(&devtree_lock, flags); | ||
| 630 | |||
| 631 | #ifdef CONFIG_PROC_DEVICETREE | ||
| 632 | /* try to add to proc as well if it was initialized */ | ||
| 633 | if (np->pde) | ||
| 634 | proc_device_tree_add_prop(np->pde, prop); | ||
| 635 | #endif /* CONFIG_PROC_DEVICETREE */ | ||
| 636 | |||
| 637 | return 0; | ||
| 638 | } | ||
| 639 | |||
| 640 | /* | ||
| 641 | * Remove a property from a node. Note that we don't actually | ||
| 642 | * remove it, since we have given out who-knows-how-many pointers | ||
| 643 | * to the data using get-property. Instead we just move the property | ||
| 644 | * to the "dead properties" list, so it won't be found any more. | ||
| 645 | */ | ||
| 646 | int prom_remove_property(struct device_node *np, struct property *prop) | ||
| 647 | { | ||
| 648 | struct property **next; | ||
| 649 | unsigned long flags; | ||
| 650 | int found = 0; | ||
| 651 | |||
| 652 | write_lock_irqsave(&devtree_lock, flags); | ||
| 653 | next = &np->properties; | ||
| 654 | while (*next) { | ||
| 655 | if (*next == prop) { | ||
| 656 | /* found the node */ | ||
| 657 | *next = prop->next; | ||
| 658 | prop->next = np->deadprops; | ||
| 659 | np->deadprops = prop; | ||
| 660 | found = 1; | ||
| 661 | break; | ||
| 662 | } | ||
| 663 | next = &(*next)->next; | ||
| 664 | } | ||
| 665 | write_unlock_irqrestore(&devtree_lock, flags); | ||
| 666 | |||
| 667 | if (!found) | ||
| 668 | return -ENODEV; | ||
| 669 | |||
| 670 | #ifdef CONFIG_PROC_DEVICETREE | ||
| 671 | /* try to remove the proc node as well */ | ||
| 672 | if (np->pde) | ||
| 673 | proc_device_tree_remove_prop(np->pde, prop); | ||
| 674 | #endif /* CONFIG_PROC_DEVICETREE */ | ||
| 675 | |||
| 676 | return 0; | ||
| 677 | } | ||
| 678 | |||
| 679 | /* | ||
| 680 | * Update a property in a node. Note that we don't actually | ||
| 681 | * remove it, since we have given out who-knows-how-many pointers | ||
| 682 | * to the data using get-property. Instead we just move the property | ||
| 683 | * to the "dead properties" list, and add the new property to the | ||
| 684 | * property list | ||
| 685 | */ | ||
| 686 | int prom_update_property(struct device_node *np, | ||
| 687 | struct property *newprop, | ||
| 688 | struct property *oldprop) | ||
| 689 | { | ||
| 690 | struct property **next; | ||
| 691 | unsigned long flags; | ||
| 692 | int found = 0; | ||
| 693 | |||
| 694 | write_lock_irqsave(&devtree_lock, flags); | ||
| 695 | next = &np->properties; | ||
| 696 | while (*next) { | ||
| 697 | if (*next == oldprop) { | ||
| 698 | /* found the node */ | ||
| 699 | newprop->next = oldprop->next; | ||
| 700 | *next = newprop; | ||
| 701 | oldprop->next = np->deadprops; | ||
| 702 | np->deadprops = oldprop; | ||
| 703 | found = 1; | ||
| 704 | break; | ||
| 705 | } | ||
| 706 | next = &(*next)->next; | ||
| 707 | } | ||
| 708 | write_unlock_irqrestore(&devtree_lock, flags); | ||
| 709 | |||
| 710 | if (!found) | ||
| 711 | return -ENODEV; | ||
| 712 | |||
| 713 | #ifdef CONFIG_PROC_DEVICETREE | ||
| 714 | /* try to add to proc as well if it was initialized */ | ||
| 715 | if (np->pde) | ||
| 716 | proc_device_tree_update_prop(np->pde, newprop, oldprop); | ||
| 717 | #endif /* CONFIG_PROC_DEVICETREE */ | ||
| 718 | |||
| 719 | return 0; | ||
| 720 | } | ||
| 721 | |||
| 722 | #if defined(CONFIG_DEBUG_FS) && defined(DEBUG) | 609 | #if defined(CONFIG_DEBUG_FS) && defined(DEBUG) |
| 723 | static struct debugfs_blob_wrapper flat_dt_blob; | 610 | static struct debugfs_blob_wrapper flat_dt_blob; |
| 724 | 611 | ||
