LongTrail PCI resource assignment

[Michael Schmitz]

> The code I posted for the LongTrail does assign missing/conflicting resources.
> Please adapt it for PowerMac.

Applying Geerts patch (minus the PCIBIOS_MIN_MEM patch) plus the following
one solves my PCI address conflict for the Mach64 by reallocating the MMIO
aperture, and allows XFree86 4.0 to run on my Lombard.

	Michael

--- arch/ppc/kernel/pci.c.org	Sun Mar 26 14:08:53 2000
+++ arch/ppc/kernel/pci.c	Sun Mar 26 14:09:16 2000
@@ -231,7 +231,7 @@
 				if (!pr || request_resource(pr, r) < 0) {
 					printk(KERN_ERR "PCI: Cannot allocate resource region %d of device %s\n", idx, dev->slot_name);
 					/* We'll assign a new address later */
-					r->start -= r->end;
+					r->end -= r->start;
 					r->start = 0;
 				}
 			}


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