1 files changed, 8 insertions, 9 deletions

diff --git a/drivers/pci/host/pcie-iproc-platform.c b/drivers/pci/host/pcie-iproc-platform.c
index a5073a921a04..e764a2a2693c 100644
--- a/drivers/pci/host/pcie-iproc-platform.c
+++ b/drivers/pci/host/pcie-iproc-platform.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2015 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include <linux/kernel.h>
@@ -92,6 +84,13 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
                 pcie->need_ob_cfg = true;
         }
 
+        /*
+         * DT nodes are not used by all platforms that use the iProc PCIe
+         * core driver. For platforms that require explict inbound mapping
+         * configuration, "dma-ranges" would have been present in DT
+         */
+        pcie->need_ib_cfg = of_property_read_bool(np, "dma-ranges");
+
         /* PHY use is optional */
         pcie->phy = devm_phy_get(dev, "pcie-phy");
         if (IS_ERR(pcie->phy)) {