From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
[ Upstream commit bc3b5b47c80da8838758731d423179262c9c36ec ]
I don't have this hardware but it looks like we weren't adding bridge
devices as intended. Maybe the bridge is always the last device?
Fixes: 05b125004815 ("PCI: cpcihp: Iterate over all devices in slot, not functions 0-7")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Acked-by: Yijing Wang <wangyijing@xxxxxxxxxx>
CC: stable@xxxxxxxxxxxxxxx # v3.9+
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
drivers/pci/hotplug/cpci_hotplug_pci.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index 7d48eca..788db48 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -286,11 +286,12 @@ int cpci_configure_slot(struct slot *slot)
}
parent = slot->dev->bus;
- list_for_each_entry(dev, &parent->devices, bus_list)
+ list_for_each_entry(dev, &parent->devices, bus_list) {
if (PCI_SLOT(dev->devfn) != PCI_SLOT(slot->devfn))
continue;
if (pci_is_bridge(dev))
pci_hp_add_bridge(dev);
+ }
pci_assign_unassigned_bridge_resources(parent->self);
--
2.1.0
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