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author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-06-23 20:33:06 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-06-23 21:57:21 +0200 |
commit | 76fbc263ff7e42ce8b21b8aee176e3c74b45f81a (patch) | |
tree | 7866077c7b014be1bd9f69110d04432b6b6cf868 /drivers | |
parent | 9bf8a1a79d549a0cf3b26c88d1ac8cdf07deafee (diff) | |
download | linux-stable-76fbc263ff7e42ce8b21b8aee176e3c74b45f81a.tar.gz linux-stable-76fbc263ff7e42ce8b21b8aee176e3c74b45f81a.tar.bz2 linux-stable-76fbc263ff7e42ce8b21b8aee176e3c74b45f81a.zip |
pci: debug extra pci bus resources
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/pci/setup-bus.c | 35 |
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) } 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); + } } |