powerpc: Use of_find_node_with_property() in cell_iommu_fixed_mapping_init()

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 3168272..86db4dd 100644 (file)
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -1053,10 +1053,7 @@ static int __init cell_iommu_fixed_mapping_init(void)
        }
 
        /* We must have dma-ranges properties for fixed mapping to work */
-       for (np = NULL; (np = of_find_all_nodes(np));) {
-               if (of_find_property(np, "dma-ranges", NULL))
-                       break;
-       }
+       np = of_find_node_with_property(NULL, "dma-ranges");
        of_node_put(np);
 
        if (!np) {