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Subject[patch non-x86] PCI-PCI bridges fix
Bridge resources weren't added to the resource tree. This was
harmless for most real-life configurations (especially on Alpha),
but certainly it will be a problem with the hotplug stuff
(thinking of ES45).

Ivan.

--- 2.4.15p9/drivers/pci/setup-bus.c Fri Oct 5 05:47:08 2001
+++ linux/drivers/pci/setup-bus.c Wed Nov 21 20:16:24 2001
@@ -201,6 +201,16 @@ pbus_assign_resources(struct pci_bus *bu
b->resource[0]->end = ranges->io_end - 1;
b->resource[1]->end = ranges->mem_end - 1;

+ /* Add bridge resources to the resource tree. */
+ if (b->resource[0]->end > b->resource[0]->start &&
+ request_resource(bus->resource[0], b->resource[0]) < 0)
+ printk(KERN_ERR "PCI: failed to reserve IO "
+ "for bus %d\n", b->number);
+ if (b->resource[1]->end > b->resource[1]->start &&
+ request_resource(bus->resource[1], b->resource[1]) < 0)
+ printk(KERN_ERR "PCI: failed to reserve MEM "
+ "for bus %d\n", b->number);
+
pci_setup_bridge(b);
}
}
-
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