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pci: debug extra pci bus resources 

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-06-23 20:33:06 +02:00 committed by Ingo Molnar
parent 9bf8a1a79d
commit 76fbc263ff
1 changed files with 35 additions and 0 deletions
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35
drivers/pci/setup-bus.c
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@ -537,6 +537,36 @@ void __ref pci_bus_assign_resources(struct pci_bus *bus)
}
EXPORT_SYMBOL(pci_bus_assign_resources);
static void pci_bus_dump_res(struct pci_bus *bus)
{
int i;
for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
struct resource *res = bus->resource[i];
if (!res)
continue;
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);
}
}
static void pci_bus_dump_resources(struct pci_bus *bus)
{
struct pci_bus *b;
struct pci_dev *dev;
pci_bus_dump_res(bus);
list_for_each_entry(dev, &bus->devices, bus_list) {
b = dev->subordinate;
if (!b)
continue;
pci_bus_dump_resources(b);
}
}
void __init
pci_assign_unassigned_resources(void)
{
@ -552,4 +582,9 @@ pci_assign_unassigned_resources(void)
pci_bus_assign_resources(bus);
pci_enable_bridges(bus);
}
/* dump the resource on buses */
list_for_each_entry(bus, &pci_root_buses, node) {
pci_bus_dump_resources(bus);
}
}