[PATCH v2 07/10] PCI: call add_bus method also for root bus

[Thomas Bogendoerfer]

pci-xtalk controller code uses the add_bus method to set node of
the bus device, which then is used for pcibus_to_node() implementation.

Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@xxxxxxx>
---
 drivers/pci/probe.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 257b9f6f2ebb..456448d5f46d 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -837,6 +837,12 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge)
 
 	pcibios_add_bus(bus);
 
+	if (bus->ops->add_bus) {
+		err = bus->ops->add_bus(bus);
+		if (WARN_ON(err < 0))
+			dev_err(&bus->dev, "failed to add bus: %d\n", err);
+	}
+
 	/* Create legacy_io and legacy_mem files for this bus */
 	pci_create_legacy_files(bus);
 
-- 
2.13.7