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Mon, 30 Dec 2019 09:03:51 +0000 Received: from AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::c58c:e631:a110:ba58]) by AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::c58c:e631:a110:ba58%6]) with mapi id 15.20.2581.007; Mon, 30 Dec 2019 09:03:51 +0000 Received: from localhost.localdomain (119.31.174.67) by HK2PR0401CA0002.apcprd04.prod.outlook.com (2603:1096:202:2::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.2581.11 via Frontend Transport; Mon, 30 Dec 2019 09:03:47 +0000 From: Peng Fan To: "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" Subject: [PATCH] ARM: imx: use of_root to simplify code Thread-Topic: [PATCH] ARM: imx: use of_root to simplify code Thread-Index: AQHVvvAOkP5pfM/SI0ufVklMt6+Kwg== Date: Mon, 30 Dec 2019 09:03:51 +0000 Message-ID: <1577696316-27635-1-git-send-email-peng.fan@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: HK2PR0401CA0002.apcprd04.prod.outlook.com (2603:1096:202:2::12) To AM0PR04MB4481.eurprd04.prod.outlook.com (2603:10a6:208:70::15) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; 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x-microsoft-antispam-message-info: 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 MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ad0930dc-d534-4405-e1c2-08d78d07306a X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Dec 2019 09:03:51.6420 (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: Lp/83E+mcCxrFlXylClC2byJgFPXDf6WAmWYy8McLt15PZqdgh0pWCWTW0yq4lq1Q5xurugpa6Y6rNVFrcl27A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB5347 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191230_010356_453525_CD928667 X-CRM114-Status: GOOD ( 10.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "cniedermaier@dh-electronics.com" , Peng Fan , Anson Huang , Alice Guo , "linux-kernel@vger.kernel.org" , dl-linux-imx , Leonard Crestez , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Peng Fan start_kernel |->setup_arch | |->unflatten_device_tree->of_root ready | |->do_initcalls |->customize_machine |->init_machine |->imx_soc_device_init When imx_soc_device_init, of_root is ready, so we could directly use it. Signed-off-by: Peng Fan --- V1: Tested on i.MX7D-SDB arch/arm/mach-imx/cpu.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index 06f8d64b65af..77319b359070 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -88,7 +88,6 @@ struct device * __init imx_soc_device_init(void) struct soc_device_attribute *soc_dev_attr; const char *ocotp_compat = NULL; struct soc_device *soc_dev; - struct device_node *root; struct regmap *ocotp = NULL; const char *soc_id; u64 soc_uid = 0; @@ -101,9 +100,7 @@ struct device * __init imx_soc_device_init(void) soc_dev_attr->family = "Freescale i.MX"; - root = of_find_node_by_path("/"); - ret = of_property_read_string(root, "model", &soc_dev_attr->machine); - of_node_put(root); + ret = of_property_read_string(of_root, "model", &soc_dev_attr->machine); if (ret) goto free_soc; -- 2.16.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel