diff options
| -rw-r--r-- | drivers/pci/bus.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index fc1b74013743..6f2f47a7b6c6 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -147,11 +147,18 @@ pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res, !(res->flags & IORESOURCE_PREFETCH)) continue; + /* + * "min" is typically PCIBIOS_MIN_IO or PCIBIOS_MIN_MEM to + * protect badly documented motherboard resources, but if + * this is an already-configured bridge window, its start + * overrides "min". + */ + if (r->start) + min = r->start; + /* Ok, try it out.. */ - ret = allocate_resource(r, res, size, - r->start ? : min, - max, align, - alignf, alignf_data); + ret = allocate_resource(r, res, size, min, max, + align, alignf, alignf_data); if (ret == 0) break; } |