diff options
Diffstat (limited to 'arch/powerpc/kernel/pci_32.c')
| -rw-r--r-- | arch/powerpc/kernel/pci_32.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index a9c6cb24aab..47dc754465b 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -13,6 +13,7 @@ #include <linux/bootmem.h> #include <linux/irq.h> #include <linux/list.h> +#include <linux/of.h> #include <asm/processor.h> #include <asm/io.h> @@ -171,7 +172,7 @@ make_one_node_map(struct device_node* node, u8 pci_bus) } else pci_to_OF_bus_map[pci_bus] = bus_range[0]; - for (node=node->child; node != 0;node = node->sibling) { + for_each_child_of_node(node, node) { struct pci_dev* dev; const unsigned int *class_code, *reg; @@ -240,15 +241,18 @@ pcibios_make_OF_bus_map(void) typedef int (*pci_OF_scan_iterator)(struct device_node* node, void* data); static struct device_node* -scan_OF_pci_childs(struct device_node* node, pci_OF_scan_iterator filter, void* data) +scan_OF_pci_childs(struct device_node *parent, pci_OF_scan_iterator filter, void* data) { + struct device_node *node; struct device_node* sub_node; - for (; node != 0;node = node->sibling) { + for_each_child_of_node(parent, node) { const unsigned int *class_code; - if (filter(node, data)) + if (filter(node, data)) { + of_node_put(node); return node; + } /* For PCI<->PCI bridges or CardBus bridges, we go down * Note: some OFs create a parent node "multifunc-device" as @@ -260,9 +264,11 @@ scan_OF_pci_childs(struct device_node* node, pci_OF_scan_iterator filter, void* (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) && strcmp(node->name, "multifunc-device")) continue; - sub_node = scan_OF_pci_childs(node->child, filter, data); - if (sub_node) + sub_node = scan_OF_pci_childs(node, filter, data); + if (sub_node) { + of_node_put(node); return sub_node; + } } return NULL; } @@ -366,7 +372,7 @@ pci_device_from_OF_node(struct device_node* node, u8* bus, u8* devfn) hose = pci_find_hose_for_OF_device(node); if (!hose || !hose->dn) return -ENODEV; - if (!scan_OF_pci_childs(hose->dn->child, + if (!scan_OF_pci_childs(hose->dn, find_OF_pci_device_filter, (void *)node)) return -ENODEV; reg = of_get_property(node, "reg", NULL); |