[POWERPC] Let subordinate transparent bridges be transparent.

In pcibios_fixup_bus(), bridges that are subordinate
to transparent bridges were still relocating their
IORESOURCE_IO and IO_RESOURCE_MEM start and end values.

Fix this by preventing the transparent bridge from
relocating the start and end values, thus allowing the
subordinate non-transparent bridge full molestation rights.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index e66064b5093a2496ad2e03e9ebd1212ba98ad72b..7738a2881c9f5b19e4841412e066081bee1b7bf4 100644 (file)
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -1370,7 +1370,7 @@ void __init pcibios_fixup_bus(struct pci_bus *bus)
                for (i = 0; i < 4; ++i) {
                        if ((res = bus->resource[i]) == NULL)
                                continue;
-                       if (!res->flags)
+                       if (!res->flags || bus->self->transparent)
                                continue;
                        if (io_offset && (res->flags & IORESOURCE_IO)) {
                                res->start += io_offset;