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Mon, 6 Jul 2020 09:48:11 +0000 From: Li Jun To: balbi@kernel.org, shawnguo@kernel.org, robh+dt@kernel.org Cc: gregkh@linuxfoundation.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, peter.chen@nxp.com, Anson.Huang@nxp.com, peng.fan@nxp.com, horia.geanta@nxp.com Subject: [PATCH v2 1/5] usb: dwc3: add platform data to dwc3 core device to pass data Date: Mon, 6 Jul 2020 17:44:55 +0800 Message-Id: <1594028699-1055-2-git-send-email-jun.li@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594028699-1055-1-git-send-email-jun.li@nxp.com> References: <1594028699-1055-1-git-send-email-jun.li@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR01CA0117.apcprd01.prod.exchangelabs.com (2603:1096:4:40::21) To VE1PR04MB6528.eurprd04.prod.outlook.com (2603:10a6:803:127::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.67) by SG2PR01CA0117.apcprd01.prod.exchangelabs.com (2603:1096:4:40::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.20 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: z/zO//SlnNXPkHcfef43Z1Nemo6EanvlQQs1MWVAnSc/BDWGqkeOgi+h1tg/hd8nYTK3AaZPv6JLLBtijemSdV6D5+wdW+0VtuScHfDahTpTD6Bw12CSKEF+NgdzuLdA73t2R/CkASTc5F03IJLL4RZ9rAlYrwha2sv8rqbcMjkkWUYMdoc2HmwAMcPLYh00DTZRSlzbFdqxnAgo+OSjikS+aou7TCWBzz4DSiIDq6Gx/kjf26vjsCoELJoF78q1Ql/Jcv5O3910NqxkxEGBLaicO/CY5q7utaNlDyeIVEYtPLKqkNipRyrPx59GaonQ4NaGT8XJntlogxpUF5dLgUM4qqlPtqQrqx77pS8o/1FVgQAc/jukYx/WLka998MpPh9+VWgqcztVyRk1bHLYZ1g3ziDBnhm67b7U37xLg3OIbzkK+E7ZUCtVsiScHgkoa+u3/x+2k/2B5IjCHsbjsIx9l4zH9wqK0laRmZt15lk= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 51f92c73-3204-4dac-173c-08d82191b22d X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6528.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jul 2020 09:48:11.7948 (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: hF6o7YHxcVlKPJY3j1owD1ja4fRr/YX6vHrTfKtsL4S4PrY4KMTvmBBePuiM8jap X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0402MB3520 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org In case dwc3 has SoC specific customizations, dwc3 glue driver can base on compatible string and pass it via platform data to dwc3 core driver; and pass xhci private data further to xhci-plat like quirks. Signed-off-by: Li Jun --- drivers/usb/dwc3/core.h | 5 +++++ drivers/usb/dwc3/host.c | 9 +++++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 0b8ea8c..3146697 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -29,6 +29,7 @@ #include #include +#include "../host/xhci-plat.h" #define DWC3_MSG_MAX 500 @@ -924,6 +925,10 @@ struct dwc3_scratchpad_array { __le64 dma_adr[DWC3_MAX_HIBER_SCRATCHBUFS]; }; +struct dwc3_platform_data { + struct xhci_plat_priv *xhci_priv; +}; + /** * struct dwc3 - representation of our controller * @drd_work: workqueue used for role swapping diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index bef1c1a..4f8514a 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -46,6 +46,7 @@ int dwc3_host_init(struct dwc3 *dwc) { struct property_entry props[4]; struct platform_device *xhci; + struct dwc3_platform_data *dwc3_pdata; int ret, irq; struct resource *res; struct platform_device *dwc3_pdev = to_platform_device(dwc->dev); @@ -115,6 +116,14 @@ int dwc3_host_init(struct dwc3 *dwc) } } + dwc3_pdata = (struct dwc3_platform_data *)dev_get_platdata(dwc->dev); + if (dwc3_pdata && dwc3_pdata->xhci_priv) { + ret = platform_device_add_data(xhci, dwc3_pdata->xhci_priv, + sizeof(struct xhci_plat_priv)); + if (ret) + goto err; + } + ret = platform_device_add(xhci); if (ret) { dev_err(dwc->dev, "failed to register xHCI device\n"); -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64204C433DF for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In case dwc3 has SoC specific customizations, dwc3 glue driver can base on compatible string and pass it via platform data to dwc3 core driver; and pass xhci private data further to xhci-plat like quirks. Signed-off-by: Li Jun --- drivers/usb/dwc3/core.h | 5 +++++ drivers/usb/dwc3/host.c | 9 +++++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 0b8ea8c..3146697 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -29,6 +29,7 @@ #include #include +#include "../host/xhci-plat.h" #define DWC3_MSG_MAX 500 @@ -924,6 +925,10 @@ struct dwc3_scratchpad_array { __le64 dma_adr[DWC3_MAX_HIBER_SCRATCHBUFS]; }; +struct dwc3_platform_data { + struct xhci_plat_priv *xhci_priv; +}; + /** * struct dwc3 - representation of our controller * @drd_work: workqueue used for role swapping diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index bef1c1a..4f8514a 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -46,6 +46,7 @@ int dwc3_host_init(struct dwc3 *dwc) { struct property_entry props[4]; struct platform_device *xhci; + struct dwc3_platform_data *dwc3_pdata; int ret, irq; struct resource *res; struct platform_device *dwc3_pdev = to_platform_device(dwc->dev); @@ -115,6 +116,14 @@ int dwc3_host_init(struct dwc3 *dwc) } } + dwc3_pdata = (struct dwc3_platform_data *)dev_get_platdata(dwc->dev); + if (dwc3_pdata && dwc3_pdata->xhci_priv) { + ret = platform_device_add_data(xhci, dwc3_pdata->xhci_priv, + sizeof(struct xhci_plat_priv)); + if (ret) + goto err; + } + ret = platform_device_add(xhci); if (ret) { dev_err(dwc->dev, "failed to register xHCI device\n"); -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel