1 files changed, 42 insertions, 2 deletions

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 827c0a520e2b..3abbfad9ddab 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -352,11 +352,12 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long
                                 continue;
                         r_size = r->end - r->start + 1;
                         /* For bridges size != alignment */
-                        align = (i < PCI_BRIDGE_RESOURCES) ? r_size : r->start;
+                        align = resource_alignment(r);
                         order = __ffs(align) - 20;
                         if (order > 11) {
-                                dev_warn(&dev->dev, "BAR %d too large: "
+                                dev_warn(&dev->dev, "BAR %d bad alignment %llx: "
                                        "%#016llx-%#016llx\n", i,
+                                       (unsigned long long)align,
                                        (unsigned long long)r->start,
                                        (unsigned long long)r->end);
                                 r->flags = 0;
@@ -530,6 +531,40 @@ 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",
+                        (unsigned long long) res->start,
+                        (unsigned long long) 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)
 {
@@ -545,4 +580,9 @@ 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);
+        }
 }