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path: root/drivers/pci/setup-bus.c
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Diffstat (limited to 'drivers/pci/setup-bus.c')
-rw-r--r--drivers/pci/setup-bus.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 8ddb918f5f57..c74a2bce083d 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -537,6 +537,36 @@ void __ref pci_bus_assign_resources(struct pci_bus *bus)
537} 537}
538EXPORT_SYMBOL(pci_bus_assign_resources); 538EXPORT_SYMBOL(pci_bus_assign_resources);
539 539
540static void pci_bus_dump_res(struct pci_bus *bus)
541{
542 int i;
543
544 for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
545 struct resource *res = bus->resource[i];
546 if (!res)
547 continue;
548
549 printk(KERN_INFO "bus: %02x index %x %s: [%llx, %llx]\n", bus->number, i, (res->flags & IORESOURCE_IO)? "io port":"mmio", res->start, res->end);
550 }
551}
552
553static void pci_bus_dump_resources(struct pci_bus *bus)
554{
555 struct pci_bus *b;
556 struct pci_dev *dev;
557
558
559 pci_bus_dump_res(bus);
560
561 list_for_each_entry(dev, &bus->devices, bus_list) {
562 b = dev->subordinate;
563 if (!b)
564 continue;
565
566 pci_bus_dump_resources(b);
567 }
568}
569
540void __init 570void __init
541pci_assign_unassigned_resources(void) 571pci_assign_unassigned_resources(void)
542{ 572{
@@ -552,4 +582,9 @@ pci_assign_unassigned_resources(void)
552 pci_bus_assign_resources(bus); 582 pci_bus_assign_resources(bus);
553 pci_enable_bridges(bus); 583 pci_enable_bridges(bus);
554 } 584 }
585
586 /* dump the resource on buses */
587 list_for_each_entry(bus, &pci_root_buses, node) {
588 pci_bus_dump_resources(bus);
589 }
555} 590}