diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index d86e79134c68..c4e05b0db527 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -2396,7 +2396,7 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 		return -EINVAL;
 	}
 
-	if (of_reserved_mem_device_init_by_idx(rdev, rdev->of_node, 0))
+	if (devm_of_reserved_mem_device_init(rdev))
 		dev_info(rdev, "no reserved DMA memory for FASTRPC\n");
 
 	vmcount = of_property_read_variable_u32_array(rdev->of_node,