linux-kernel - [PATCH v3, part2 11/20] PCI, SPARC: use hotplug-safe iterators to walk PCI buses

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Message-Id: <1369583597-3801-12-git-send-email-jiang.liu@huawei.com>
Date:	Sun, 26 May 2013 23:53:08 +0800
From:	Jiang Liu <liuj97@...il.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Yinghai Lu <yinghai@...nel.org>
Cc:	Jiang Liu <jiang.liu@...wei.com>,
	"Rafael J . Wysocki" <rjw@...k.pl>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Gu Zheng <guz.fnst@...fujitsu.com>,
	Toshi Kani <toshi.kani@...com>,
	Myron Stowe <myron.stowe@...hat.com>,
	Yijing Wang <wangyijing@...wei.com>,
	Jiang Liu <liuj97@...il.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	sparclinux@...r.kernel.org
Subject: [PATCH v3, part2 11/20] PCI, SPARC: use hotplug-safe iterators to walk PCI buses

Enhance SPARC architecture specific code to use hotplug-safe iterators
to walk PCI buses.

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

diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index b16f624..ed84a97 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) {
-- 
1.8.1.2

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