PCI: improve resource allocation under transparent bridges

We could run out of space under under 4g, but devices under transparent
bridges can use 64bit resources, so keep trying on the parent bus until
we hit a non-transparent bridge.

Impact: better support for assigning unassigned resources

Reviewed-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index e1c360a5b0db..b636e245445d 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -58,7 +58,6 @@ static void pbus_assign_resources_sorted(const struct pci_bus *bus)
                 res = list->res;
                 idx = res - &list->dev->resource[0];
                 if (pci_assign_resource(list->dev, idx)) {
-                        /* FIXME: get rid of this */
                         res->start = 0;
                         res->end = 0;
                         res->flags = 0;