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authorIngo Molnar <mingo@elte.hu>2008-09-10 08:35:40 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-10 08:35:40 +0200
commit429b022af41108f6942d72547592b1d30e9a51f0 (patch)
tree7d68355529718018cdad1241285816c6f64620b2 /arch/powerpc/kernel/pci-common.c
parent0cd418ddb1ee88df7d16d5df06cb2da68eceb9e4 (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
Merge commit 'v2.6.27-rc6' into core/rcu
Diffstat (limited to 'arch/powerpc/kernel/pci-common.c')
-rw-r--r--arch/powerpc/kernel/pci-common.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 224e9a11765..ea0c61e09b7 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -650,11 +650,18 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose,
}
}
- /* Out of paranoia, let's put the ISA hole last if any */
- if (isa_hole >= 0 && memno > 0 && isa_hole != (memno-1)) {
- struct resource tmp = hose->mem_resources[isa_hole];
- hose->mem_resources[isa_hole] = hose->mem_resources[memno-1];
- hose->mem_resources[memno-1] = tmp;
+ /* If there's an ISA hole and the pci_mem_offset is -not- matching
+ * the ISA hole offset, then we need to remove the ISA hole from
+ * the resource list for that brige
+ */
+ if (isa_hole >= 0 && hose->pci_mem_offset != isa_mb) {
+ unsigned int next = isa_hole + 1;
+ printk(KERN_INFO " Removing ISA hole at 0x%016llx\n", isa_mb);
+ if (next < memno)
+ memmove(&hose->mem_resources[isa_hole],
+ &hose->mem_resources[next],
+ sizeof(struct resource) * (memno - next));
+ hose->mem_resources[--memno].flags = 0;
}
}