Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=66524b...
Commit:     66524b220a2929625e4c39ec692d3a4698e761fb
Parent:     acaa617620b8b4071c6a3525b0160f4be07412d7
Author:     Stephen Rothwell <sfr@canb.auug.org.au>
AuthorDate: Fri Dec 21 15:52:43 2007 +1100
Committer:  Paul Mackerras <paulus@samba.org>
CommitDate: Thu Jan 17 14:57:08 2008 +1100

    [POWERPC] pci_32.c: Use for_each_child_of_node
    
    Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
    Signed-off-by: Paul Mackerras <paulus@samba.org>
---
 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 a9c6cb2..47dc754 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);
-
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