@@ -88,42 +88,42 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
* requested by the user, configure expansion ROM address
* as well.
*/
-static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
+static void __init pcibios_allocate_bridge_resources(struct pci_dev *dev)
{
- struct pci_bus *bus;
- struct pci_dev *dev;
int idx;
struct resource *r;
- /* Depth-First Search on bus tree */
- list_for_each_entry(bus, bus_list, node) {
- dev = bus->self;
- if (dev) {
- for (idx = PCI_BRIDGE_RESOURCES;
- idx < PCI_NUM_RESOURCES;
- idx++) {
- r = &dev->resource[idx];
- if (!r->flags)
- continue;
- if (!r->start ||
- pci_claim_resource(dev, idx) < 0) {
- printk(KERN_ERR "PCI:"
- " Cannot allocate resource"
- " region %d of bridge %s\n",
- idx, pci_name(dev));
- /* Something is wrong with the region.
- * Invalidate the resource to prevent
- * child resource allocations in this
- * range. */
- r->start = r->end = 0;
- r->flags = 0;
- }
- }
+ for (idx = PCI_BRIDGE_RESOURCES;
+ idx < PCI_NUM_RESOURCES;
+ idx++) {
+ r = &dev->resource[idx];
+ if (!r->flags)
+ continue;
+ if (!r->start ||
+ pci_claim_resource(dev, idx) < 0) {
+ pr_err("PCI: Cannot allocate resource region %d of bridge %s\n",
+ idx, pci_name(dev));
+ /* Something is wrong with the region.
+ * Invalidate the resource to prevent
+ * child resource allocations in this
+ * range. */
+ r->start = r->end = 0;
+ r->flags = 0;
}
- pcibios_allocate_bus_resources(&bus->children);
}
}
+static void pcibios_allocate_bus_resources(struct pci_bus *bus)
+{
+ struct pci_bus *child;
+
+ /* Depth-First Search on bus tree */
+ if (bus->self)
+ pcibios_allocate_bridge_resources(bus->self);
+ list_for_each_entry(child, &bus->children, node)
+ pcibios_allocate_bus_resources(child);
+}
+
static void __init pcibios_allocate_resources(int pass)
{
struct pci_dev *dev = NULL;
@@ -207,8 +207,12 @@ fs_initcall(pcibios_assign_resources);
void __init pcibios_resource_survey(void)
{
+ struct pci_host_bridge *host_bridge = NULL;
+
DBG("PCI: Allocating resources\n");
- pcibios_allocate_bus_resources(&pci_root_buses);
+
+ for_each_pci_host_bridge(host_bridge)
+ pcibios_allocate_bus_resources(host_bridge->bus);
pcibios_allocate_resources(0);
pcibios_allocate_resources(1);
}
Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: David Howells <dhowells@redhat.com> Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Cc: linux-am33-list@redhat.com --- arch/mn10300/unit-asb2305/pci-asb2305.c | 62 ++++++++++++++++--------------- 1 file changed, 33 insertions(+), 29 deletions(-)