PCI: cleanup debug output resources

Remove outputs for 0 sized resources and indicate prefetchability.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 8d9da9d30a61..a00f85471b6e 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -536,11 +536,13 @@ static void pci_bus_dump_res(struct pci_bus *bus)
 
         for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
                 struct resource *res = bus->resource[i];
-                if (!res)
+                if (!res || !res->end)
                         continue;
 
                 dev_printk(KERN_DEBUG, &bus->dev, "resource %d %s %pR\n", i,
-                           (res->flags & IORESOURCE_IO) ? "io: " : "mem:", res);
+                           (res->flags & IORESOURCE_IO) ? "io: " :
+                            ((res->flags & IORESOURCE_PREFETCH)? "pref mem":"mem:"),
+                           res);
         }
 }