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Subject[PATCH v2 1/1] PCI: layerscape-ep: set 64-bit DMA mask
Date
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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