PCI: layerscape-ep: Set 64-bit DMA mask

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

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Guanhua Gao <[email protected]>
Signed-off-by: Hou Zhiqiang <[email protected]>
Signed-off-by: Frank Li <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>
Acked-by: Roy Zang <[email protected]>

Author: Guanhua Gao

drivers/pci/controller/dwc/pci-layerscape-ep.c

@@ -266,6 +266,8 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev)
 
 	pcie->big_endian = of_property_read_bool(dev->of_node, "big-endian");
 
+	dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
+
 	platform_set_drvdata(pdev, pcie);
 
 	offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP);