[PATCH 3/3] pci: don't printout if the bus res size is 0

[Yinghai Lu]

also print out if it is prefetechable mmio

[Impact: cleanup]

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>

---
 drivers/pci/setup-bus.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Index: linux-2.6/drivers/pci/setup-bus.c
===================================================================
--- linux-2.6.orig/drivers/pci/setup-bus.c
+++ linux-2.6/drivers/pci/setup-bus.c
@@ -558,11 +558,13 @@ static void pci_bus_dump_res(struct pci_
 
         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);
         }
 }
 
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