[PATCH 1/1] PCI: layerscape-ep: set 64-bit DMA mask

[Frank Li]

From: Guanhua Gao <guanhua....@nxp.com>

Set DMA mask and coherent DMA mask to enable 64-bit addressing.

Signed-off-by: Guanhua Gao <guanhua....@nxp.com>
Signed-off-by: Hou Zhiqiang <zhiqiang....@nxp.com>
Signed-off-by: Frank Li <frank...@nxp.com>
---
 drivers/pci/controller/dwc/pci-layerscape-ep.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c 
b/drivers/pci/controller/dwc/pci-layerscape-ep.c
index de4c1758a6c33..6fd0dea38a32c 100644
--- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
+++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
@@ -249,6 +249,11 @@ static int __init ls_pcie_ep_probe(struct platform_device 
*pdev)
 
        pcie->big_endian = of_property_read_bool(dev->of_node, "big-endian");
 
+       /* set 64-bit DMA mask and coherent DMA mask */
+       if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)))
+               if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)))
+                       return -EIO;
+
        platform_set_drvdata(pdev, pcie);
 
        ret = dw_pcie_ep_init(&pci->ep);
-- 
2.34.1