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kernel.org; dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6528.eurprd04.prod.outlook.com (2603:10a6:803:127::18) by VI1PR04MB4255.eurprd04.prod.outlook.com (2603:10a6:803:3f::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.20; Tue, 22 Sep 2020 10:54:20 +0000 Received: from VE1PR04MB6528.eurprd04.prod.outlook.com ([fe80::acd3:d354:3f34:3af7]) by VE1PR04MB6528.eurprd04.prod.outlook.com ([fe80::acd3:d354:3f34:3af7%4]) with mapi id 15.20.3391.025; Tue, 22 Sep 2020 10:54:20 +0000 From: Li Jun To: robh+dt@kernel.org, shawnguo@kernel.org, balbi@kernel.org, mathias.nyman@intel.com Cc: gregkh@linuxfoundation.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, Anson.Huang@nxp.com, jun.li@nxp.com, aisheng.dong@nxp.com, peng.fan@nxp.com, fugang.duan@nxp.com, qiangqing.zhang@nxp.com, horia.geanta@nxp.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 2/6] usb: host: xhci-plat: add support of XHCI_NO_64BIT_SUPPORT via property Date: Tue, 22 Sep 2020 18:46:48 +0800 Message-Id: <1600771612-30727-3-git-send-email-jun.li@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1600771612-30727-1-git-send-email-jun.li@nxp.com> References: <1600771612-30727-1-git-send-email-jun.li@nxp.com> X-ClientProxiedBy: SG2PR0401CA0017.apcprd04.prod.outlook.com (2603:1096:3:1::27) To VE1PR04MB6528.eurprd04.prod.outlook.com (2603:10a6:803:127::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from 10.192.242.69 (119.31.174.66) by SG2PR0401CA0017.apcprd04.prod.outlook.com (2603:1096:3:1::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3391.13 via Frontend Transport; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: a6d99bb3-2dbc-4530-2439-08d85ee5db77 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6528.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Sep 2020 10:54:19.9522 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: fAU/cajtJ+H2xAiSUypUjg6CyL9Q3QTV+FAn97dOp0aBVRW8OsU2bn1P5kpoRjB1 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB4255 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Some OF platforms may also have the problem AC64 bit (bit 0) of HCCPARAMS1 set to be 1 but the controller actually can't support 64-bit address when SoC integration, so enable XHCI_NO_64BIT_SUPPORT via dts property "xhci-64bit-support-disable". Signed-off-by: Li Jun --- drivers/usb/host/xhci-plat.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 3057cfc..2b63c8b 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -300,6 +300,10 @@ static int xhci_plat_probe(struct platform_device *pdev) device_property_read_u32(tmpdev, "imod-interval-ns", &xhci->imod_interval); + + if (device_property_read_bool(tmpdev, + "xhci-64bit-support-disable")) + xhci->quirks |= XHCI_NO_64BIT_SUPPORT; } hcd->usb_phy = devm_usb_get_phy_by_phandle(sysdev, "usb-phy", 0);