From: Guanhua Gao <guanhua.gao@xxxxxxx> Set DMA mask and coherent DMA mask to enable 64-bit addressing. Signed-off-by: Guanhua Gao <guanhua.gao@xxxxxxx> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx> Signed-off-by: Frank Li <Frank.Li@xxxxxxx> --- 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
