Messages in this thread Patch in this message | | | From | Frank Li <> | Subject | [PATCH v2 1/1] PCI: layerscape-ep: set 64-bit DMA mask | Date | Fri, 22 Sep 2023 00:28:36 -0400 |
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From: Guanhua Gao <guanhua.gao@nxp.com>
Set DMA mask and coherent DMA mask to enable 64-bit addressing.
Signed-off-by: Guanhua Gao <guanhua.gao@nxp.com> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Frank Li <Frank.Li@nxp.com> ---
Notes: change from v1 to v2 - Remove 32bit DMA mask set.
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..026bf08611e13 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 */ + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); + if (ret) + return ret; + platform_set_drvdata(pdev, pcie); ret = dw_pcie_ep_init(&pci->ep); -- 2.34.1
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