1 files changed, 3 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 23bb060330..45df420383 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -561,6 +561,9 @@ void of_parse_dma_window(struct device_node *dn, unsigned char *dma_window_prop,
         *busno = *(dma_window++);
 
         prop = get_property(dn, "ibm,#dma-address-cells", NULL);
+        if (!prop)
+                prop = get_property(dn, "#address-cells", NULL);
+
         cells = prop ? *(u32 *)prop : prom_n_addr_cells(dn);
         *phys = of_read_addr(dma_window, cells);