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[RFC,v2,part,2,10/18] PCI, SPARC: use hotplug-safe iterators to walk PCI buses

Message ID 1368550322-1045-10-git-send-email-jiang.liu@huawei.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Jiang Liu May 14, 2013, 4:51 p.m. UTC
Enhance SPARC architecture specific code to use hotplug-safe iterators
to walk PCI buses.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: sparclinux@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
 arch/sparc/kernel/pci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index e5871fb..235208d8 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -995,9 +995,9 @@  static void pci_bus_slot_names(struct device_node *node, struct pci_bus *bus)
 
 static int __init of_pci_slot_init(void)
 {
-	struct pci_bus *pbus = NULL;
+	struct pci_bus *pbus;
 
-	while ((pbus = pci_find_next_bus(pbus)) != NULL) {
+	for_each_pci_root_bus(pbus) {
 		struct device_node *node;
 
 		if (pbus->self) {