diff --git a/drivers/ram/bmips_ram.c b/drivers/ram/bmips_ram.c
index 7efcc8f..3f9d9a8 100644
--- a/drivers/ram/bmips_ram.c
+++ b/drivers/ram/bmips_ram.c
@@ -135,7 +135,7 @@
 	fdt_addr_t addr;
 	fdt_size_t size;
 
-	addr = dev_get_addr_size_index(dev, 0, &size);
+	addr = devfdt_get_addr_size_index(dev, 0, &size);
 	if (addr == FDT_ADDR_T_NONE)
 		return -EINVAL;