Message ID | 20230921153702.3281289-1-Frank.Li@nxp.com |
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Received: from AM6PR04MB4838.eurprd04.prod.outlook.com (2603:10a6:20b:4::16) by GVXPR04MB10021.eurprd04.prod.outlook.com (2603:10a6:150:112::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6813.20; Thu, 21 Sep 2023 15:37:23 +0000 Received: from AM6PR04MB4838.eurprd04.prod.outlook.com ([fe80::1774:e25f:f99:aca2]) by AM6PR04MB4838.eurprd04.prod.outlook.com ([fe80::1774:e25f:f99:aca2%4]) with mapi id 15.20.6792.026; Thu, 21 Sep 2023 15:37:23 +0000 From: Frank Li <Frank.Li@nxp.com> To: Minghuan Lian <minghuan.Lian@nxp.com>, Mingkai Hu <mingkai.hu@nxp.com>, Roy Zang <roy.zang@nxp.com>, Lorenzo Pieralisi <lpieralisi@kernel.org>, =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= <kw@linux.com>, Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, 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 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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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[1/1] PCI: layerscape-ep: set 64-bit DMA mask
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Commit Message
Frank Li
Sept. 21, 2023, 3:37 p.m. UTC
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> --- 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);