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Thu, 21 Sep 2023 15:37:23 +0000 From: Frank Li To: Minghuan Lian , Mingkai Hu , Roy Zang , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , linuxppc-dev@lists.ozlabs.org (open list:PCI DRIVER FOR FREESCALE LAYERSCAPE), linux-pci@vger.kernel.org (open list:PCI DRIVER FOR FREESCALE LAYERSCAPE), linux-arm-kernel@lists.infradead.org (moderated list:PCI DRIVER FOR FREESCALE LAYERSCAPE), linux-kernel@vger.kernel.org (open list) Cc: imx@lists.linux.dev Subject: [PATCH 1/1] PCI: layerscape-ep: set 64-bit DMA mask Date: Thu, 21 Sep 2023 11:37:02 -0400 Message-Id: <20230921153702.3281289-1-Frank.Li@nxp.com> X-Mailer: git-send-email 2.34.1 X-ClientProxiedBy: BYAPR01CA0014.prod.exchangelabs.com (2603:10b6:a02:80::27) To AM6PR04MB4838.eurprd04.prod.outlook.com (2603:10a6:20b:4::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM6PR04MB4838:EE_|GVXPR04MB10021:EE_ X-MS-Office365-Filtering-Correlation-Id: 0ee72aec-17a6-4f26-783c-08dbbab8a646 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Signed-off-by: Guanhua Gao Signed-off-by: Hou Zhiqiang Signed-off-by: Frank Li --- 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);