dm: pci: Add a function to get the BDF for a device
It is useful to be able to find the full PCI address (bus, device and
function) for a PCI device. Add a function to provide this.
Adjust the existing code to use this.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index 41daa0d..3be76c9 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -30,6 +30,14 @@
return dev_get_uclass_priv(bus);
}
+pci_dev_t pci_get_bdf(struct udevice *dev)
+{
+ struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
+ struct udevice *bus = dev->parent;
+
+ return PCI_ADD_BUS(bus->seq, pplat->devfn);
+}
+
/**
* pci_get_bus_max() - returns the bus number of the last active bus
*
@@ -295,19 +303,14 @@
for (ret = device_find_first_child(bus, &dev);
!ret && dev;
ret = device_find_next_child(&dev)) {
- struct pci_child_platdata *pplat;
struct pci_controller *ctlr_hose;
-
- pplat = dev_get_parent_platdata(dev);
unsigned int max_bus;
- pci_dev_t bdf;
- bdf = PCI_ADD_BUS(bus->seq, pplat->devfn);
debug("%s: device %s\n", __func__, dev->name);
/* The root controller has the region information */
ctlr_hose = hose->ctlr->uclass_priv;
- max_bus = pciauto_config_device(ctlr_hose, bdf);
+ max_bus = pciauto_config_device(ctlr_hose, pci_get_bdf(dev));
sub_bus = max(sub_bus, max_bus);
}
debug("%s: done\n", __func__);