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PCI: improve resource allocation under transparent bridges

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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>
This commit is contained in:
Yinghai Lu
2009-04-23 20:49:25 -07:00
committed by Jesse Barnes
parent 1f82de10d6
commit d09ee9687e
2 changed files with 36 additions and 14 deletions
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1
drivers/pci/setup-bus.c
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@ -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;