[PATCH] [POWERPC] Fixup transparent P2P resources

Kumar Gala galak at kernel.crashing.org
Tue Jan 15 13:45:27 EST 2008


For transparent P2P bridges the first 3 resources may get set from based on
BAR registers and need to get fixed up. Where as the remainder come from the
parent bus and have already been fixed up.

---

in my git tree.

 arch/powerpc/kernel/pci-common.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 7d0afd4..980fe32 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -792,9 +792,10 @@ static void __devinit __pcibios_fixup_bus(struct pci_bus *bus)
 		for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) {
 			if ((res = bus->resource[i]) == NULL)
 				continue;
-			if (!res->flags || bus->self->transparent)
+			if (!res->flags)
+				continue;
+			if (i >= 3 && bus->self->transparent)
 				continue;
-
 			/* On PowerMac, Apple leaves bridge windows open over
 			 * an inaccessible region of memory space (0...fffff)
 			 * which is somewhat bogus, but that's what they think
-- 
1.5.3.7




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