powerpc/cell: Don't use flat device-tree after boot

Some bit of SPU code was using the FDT rather than the expanded
device-tree. Fix it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c
index c3327f3..21b4bfb 100644 (file)
--- a/arch/powerpc/platforms/cell/spu_manage.c
+++ b/arch/powerpc/platforms/cell/spu_manage.c
@@ -535,8 +535,7 @@ static int __init init_affinity(void)
        if (of_has_vicinity()) {
                init_affinity_fw();
        } else {
-               long root = of_get_flat_dt_root();
-               if (of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
+               if (of_machine_is_compatible("IBM,CPBW-1.0"))
                        init_affinity_qs20_harcoded();
                else
                        printk("No affinity configuration found\n");