From patchwork Wed Mar 6 01:06:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 10840283 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8D684180E for ; Wed, 6 Mar 2019 01:06:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 79D282C747 for ; Wed, 6 Mar 2019 01:06:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6C72A2D01A; Wed, 6 Mar 2019 01:06:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0B6842C747 for ; 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Wed, 6 Mar 2019 01:06:33 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::1cb4:3e1c:fc85:7ed7]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::1cb4:3e1c:fc85:7ed7%2]) with mapi id 15.20.1686.016; Wed, 6 Mar 2019 01:06:33 +0000 From: Anson Huang To: "catalin.marinas@arm.com" , "will.deacon@arm.com" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" , "wim@linux-watchdog.org" , "linux@roeck-us.net" , Andy Gross , "heiko@sntech.de" , "horms+renesas@verge.net.au" , "arnd@arndb.de" , "maxime.ripard@bootlin.com" , "jagan@amarulasolutions.com" , "bjorn.andersson@linaro.org" , "enric.balletbo@collabora.com" , "marc.w.gonzalez@free.fr" , "olof@lixom.net" , Aisheng Dong , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-watchdog@vger.kernel.org" CC: dl-linux-imx Subject: [PATCH V7 3/3] firmware: imx: imx-scu: register build-in child devices Thread-Topic: [PATCH V7 3/3] firmware: imx: imx-scu: register build-in child devices Thread-Index: AQHU07jXrMvH/zwkr0CO9FJmEedWMA== Date: Wed, 6 Mar 2019 01:06:33 +0000 Message-ID: <1551834095-19950-3-git-send-email-Anson.Huang@nxp.com> References: <1551834095-19950-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: <1551834095-19950-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR0302CA0006.apcprd03.prod.outlook.com (2603:1096:202::16) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: Jg7Qf2Dy5bVupHRtE/0Ysq3WzjJ/hXqiPFjAc7U5sdHrVFvBqliAzRyyNRaQykVQC1truHNp2n9VLIC4+MNshfDHX8MnDTLZeUklNidBpVEtjykqZ96e+lK6E4c6SUkzOFet7s1Zxnray4K5kUHOPj5rd17jFdHWL87rVMUx4fCVmZ20jAqLbWGFw+PWsXaPNzSfz7tZVE4yq0zfRa+odMz1gNOKCFL/s45A5ju46ZqYhH34LDmmw9ZcInueqfo4fTED58Gng6tyMpdBMApZwSnnhwaNruwSRiogbJ/qoyoYduuthKuzLYJZHV0Dri182sOKAKhylIxDiUuCMhbknyUAMCtVH/+KX5+qXr+BR7Sp0GvReUCCYAMbTQ6N1Tda+bEBohpXi2COFpQU3wg01RTV1iJ2uhtjv4rIrsOrmXs= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6d467cbe-3765-4d8e-3e0c-08d6a1cff924 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Mar 2019 01:06:33.5692 (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-Transport-CrossTenantHeadersStamped: DB3PR0402MB3723 Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP For some devices which are controlled by system controller, they are NOT present in device tree since no hardware info needed, just register these devices as children of SCU device. This patch registers i.MX system controller watchdog platform device as child device of SCU. Signed-off-by: Anson Huang --- No changes. --- drivers/firmware/imx/imx-scu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/firmware/imx/imx-scu.c b/drivers/firmware/imx/imx-scu.c index 2bb1a19..df75ead 100644 --- a/drivers/firmware/imx/imx-scu.c +++ b/drivers/firmware/imx/imx-scu.c @@ -196,6 +196,7 @@ EXPORT_SYMBOL(imx_scu_call_rpc); static int imx_scu_probe(struct platform_device *pdev) { + struct platform_device *child_pdev; struct device *dev = &pdev->dev; struct imx_sc_ipc *sc_ipc; struct imx_sc_chan *sc_chan; @@ -248,6 +249,13 @@ static int imx_scu_probe(struct platform_device *pdev) dev_info(dev, "NXP i.MX SCU Initialized\n"); + /* register SCU child devices which are NOT in device tree */ + child_pdev = platform_device_register_data(dev, "imx-sc-wdt", + PLATFORM_DEVID_NONE, NULL, 0); + if (IS_ERR(child_pdev)) + dev_warn(dev, "failed to register scu watchdog device %ld!\n", + PTR_ERR(child_pdev)); + return devm_of_platform_populate(dev); }