[RFC PATCH v2, part 2 05/18] PCI, FRV: use hotplug-safe iterators to walk PCI buses

[Jiang Liu <liuj97@gmail.com>]

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

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: linux-kernel@vger.kernel.org
---
 arch/frv/mb93090-mb00/pci-frv.c | 5 ++++-
 arch/frv/mb93090-mb00/pci-vdk.c | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c
index c281217..48ee89a 100644
--- a/arch/frv/mb93090-mb00/pci-frv.c
+++ b/arch/frv/mb93090-mb00/pci-frv.c
@@ -188,8 +188,11 @@ static void __init pcibios_assign_resources(void)
 
 void __init pcibios_resource_survey(void)
 {
+	struct pci_bus *bus;
+
 	DBG("PCI: Allocating resources\n");
-	pcibios_allocate_bus_resources(&pci_root_buses);
+	for_each_pci_root_bus(bus)
+		pcibios_allocate_bus_resources(&bus->children);
 	pcibios_allocate_resources(0);
 	pcibios_allocate_resources(1);
 	pcibios_assign_resources();
diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c
index 0aa35f0..f1d6c16 100644
--- a/arch/frv/mb93090-mb00/pci-vdk.c
+++ b/arch/frv/mb93090-mb00/pci-vdk.c
@@ -234,7 +234,7 @@ static void __init pcibios_fixup_peer_bridges(void)
 		return;
 	printk("PCI: Peer bridge fixup\n");
 	for (n=0; n <= pcibios_last_bus; n++) {
-		if (pci_find_bus(0, n))
+		if (pci_bus_exists(0, n))
 			continue;
 		bus.number = n;
 		bus.ops = pci_root_ops;
-- 
1.8.1.2