devicetree: Change scan_bus() prototype in device ops
The input/output value max is no longer used for tracking the
bus enumeration sequence, everything is handled in the context
of devicetree bus objects.
Change-Id: I545088bd8eaf205b1436d8c52d3bc7faf4cfb0f9
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8541
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/device/pci_device.c b/src/device/pci_device.c
index 07b1993..6332209 100644
--- a/src/device/pci_device.c
+++ b/src/device/pci_device.c
@@ -1215,11 +1215,9 @@
* This function is the default scan_bus() method for PCI bridge devices.
*
* @param dev Pointer to the bridge device.
- * @param max The highest bus number assigned up to now.
* @param do_scan_bus TODO
- * @return The maximum bus number found, after scanning all subordinate buses.
*/
-unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
+void do_pci_scan_bridge(struct device *dev,
void (*do_scan_bus) (struct bus * bus,
unsigned min_devfn,
unsigned max_devfn))
@@ -1245,8 +1243,6 @@
do_scan_bus(bus, 0x00, 0xff);
pci_bridge_route(bus, PCI_ROUTE_FINAL);
-
- return bus->subordinate;
}
/**
@@ -1258,12 +1254,10 @@
* This function is the default scan_bus() method for PCI bridge devices.
*
* @param dev Pointer to the bridge device.
- * @param max The highest bus number assigned up to now.
- * @return The maximum bus number found, after scanning all subordinate buses.
*/
-unsigned int pci_scan_bridge(struct device *dev, unsigned int max)
+void pci_scan_bridge(struct device *dev)
{
- return do_pci_scan_bridge(dev, max, pci_scan_bus);
+ do_pci_scan_bridge(dev, pci_scan_bus);
}
/**
@@ -1272,14 +1266,11 @@
* This function is the default scan_bus() method for PCI domains.
*
* @param dev Pointer to the domain.
- * @param max The highest bus number assigned up to now.
- * @return The maximum bus number found, after scanning all subordinate busses.
*/
-unsigned int pci_domain_scan_bus(device_t dev, unsigned int unused)
+void pci_domain_scan_bus(device_t dev)
{
struct bus *link = dev->link_list;
pci_scan_bus(link, PCI_DEVFN(0, 0), 0xff);
- return unused;
}
/**