For a pci bridge device, if we don't override
the name with custom code, the bus will be addressed as
<id>.0, where id is the id specified by the user.
Since PCI Bridge devices have a single bus each, we don't need
the index: address the bus using the parent device name.
This is better since this way users don't care about
our internal bus/device distinctions.
As far as I could see, we only have built-in
bridges at this point which always override the
name. So this change will only affect ioh3420.c.
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
hw/pci_bridge.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/hw/pci_bridge.c b/hw/pci_bridge.c
index fea3873..eeee8a6 100644
--- a/hw/pci_bridge.c
+++ b/hw/pci_bridge.c
@@ -314,6 +314,16 @@ int pci_bridge_initfn(PCIDevice *dev)
pci_set_word(dev->config + PCI_SEC_STATUS,
PCI_STATUS_66MHZ | PCI_STATUS_FAST_BACK);
+ /*
+ * If we don't specify the name, the bus will be addressed as <id>.0, where
+ * id is the device id.
+ * Since PCI Bridge devices have a single bus each, we don't need the index:
+ * let users address the bus using the device name.
+ */
+ if (!br->bus_name && dev->qdev.id && *dev->qdev.id) {
+ br->bus_name = dev->qdev.id;
+ }
+
qbus_create_inplace(&sec_bus->qbus, &pci_bus_info, &dev->qdev,
br->bus_name);
sec_bus->parent_dev = dev;
--
1.7.9.111.gf3fb0
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