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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4593FC44532 for ; Tue, 21 Jul 2026 23:16:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DwSztCwlZOKMkHB1oNppkCH2QYjmze6vqJloFOtyHCk=; b=G/QdNOGkrFN6tC 51v64byOAJ+thbmYxMIMybWVo+o3rBxRx5Th3j4NACLU/6MztTGy/5v+CJsqc6Gg0jYxEezkkC5+i sX+gXbnxMF5ESBdOdpq2n5tvFZnuJINu26AQXt47yOciiPstZEKvgC3jbGVYlDhAgMxoCYtmw7I4J JA22K5pG6SOBXU7EhrDl2TqHi2fI38sx0cjE+UaCvo7wBNuF6Xs4FUyWuXKpfwoVDgoM9mlsPH08U bRVz2bPRVHfXghXV3PYvYX5pFIBP1C+a8XRuChz69aNyD0CtSAMurvlLND9tAgkSPgKSyUReKnp7v x2NSL5QYosufwrH9nJ0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wmJhQ-0000000AYmc-47kw; Tue, 21 Jul 2026 23:16:32 +0000 Received: from mail-westeuropeazon11010001.outbound.protection.outlook.com ([52.101.69.1] helo=AM0PR83CU005.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wmJhM-0000000AYh4-0g6s; Tue, 21 Jul 2026 23:16:30 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=kGPL2HO1qoIAYj4QB/lDEPTWzbfQ//B13IkpJjASjfIwzOqXp4QURVN0HFpH8Us4Ndgn1WhsjePhAfR85STyhw8pYvLWpGCoBeqzcK0Z6sYwpuMVZtRI5QfnIge4hF5yKaaaGHrVfHzebHFE7B8KsBr6U0631qg3WrW45ddIZMMxkkPS4fycruJ8rHgFB0JicEaXxKD+wbaGyrXtw1o3Xrt1xRnKLSXpeNugN8CN1RFGdXrBsCyQwJI6X5lFPahyz6RiCQRKvwVY7dMNsLGrEfhBPYf/MOGhvx8GdZ6sQT9YwnBJ/4Xwi96h9ifmvTKuRAeUaA7K2dxSio7hNDx2Dg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=ZFRiqYOADgod1HhFQwXXpJzQGHPRuHPz5syauC/0Loo=; b=ivHt7AhfkUC9+SMYdYhHL2iTiM9jaXK7ZKudD+bLCYhn3NT9tSeoob/5PElkcT5kNWYZW62Yb70aNHZkljsKORKPSIQrX4bZyv/jvulFtWSD98VLy5I6oe0OVuksf6q1xubeHXxO3XzsoT3k9YgiYBILyIyLFSbNr/WHIIbQpdvuvngeePveQnGMJDPLFZQoHtZF3p6sxNXnyY0rOO6MOkKdbMplvJuR03tOpfqyHdRpJtoFC5Z1oiUdJds+aEE6ydSW/1phaAAxrw5ttwIYJ4fJtGGv3j1Ti+WqcNQZ9D/HmgUtZZphT4RN9DhSb4XMBg/2FQh44XNolYEy4jMTnw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ZFRiqYOADgod1HhFQwXXpJzQGHPRuHPz5syauC/0Loo=; b=FH3PFcb9r+VjI3dhJarVsDUwyQB29GW6aoUjsSsoj4nXuHvrV0ZCqhSkvyDdIUkvvwydhTXOlCcn/qEZ1j5vp//35ZTSi4B56rPNYpi6kiErrBYw8sx+RBS+7ITZCY5NYc701amyzsw8M2WHoTd/4b75Ic/t9GjBaJLzRw0JqcftP/RCnB39IuJC/g1BhOfam5mZ8TKfbqSBprLXsUkCPklKiD/EOTttqzpCS8JqjYDaHNnPVkHSZnez09IhXermEjX+Qh8iRnOtIrcBAtBkZXpB2Gf7pMqeSUCfnAjTWl+JyrpT7+tvNSjnGB29RNL9S0fACCVc72OuM+4ejwY+lQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM0PR04MB6900.eurprd04.prod.outlook.com (2603:10a6:208:17d::10) by VI0PR04MB11817.eurprd04.prod.outlook.com (2603:10a6:800:2ec::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.245.10; Tue, 21 Jul 2026 23:16:18 +0000 Received: from AM0PR04MB6900.eurprd04.prod.outlook.com ([fe80::7fda:8431:ca1b:b023]) by AM0PR04MB6900.eurprd04.prod.outlook.com ([fe80::7fda:8431:ca1b:b023%5]) with mapi id 15.21.0245.009; Tue, 21 Jul 2026 23:16:18 +0000 From: Vladimir Oltean To: linux-phy@lists.infradead.org Cc: devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, Ioana Ciornei , Vinod Koul , Neil Armstrong , Tanjeff Moos , "Christophe Leroy (CS GROUP)" , Michael Walle , Shawn Guo , Frank Li , linux-kernel@vger.kernel.org Subject: [PATCH v4 phy-next 3/9] soc: fsl: guts: add a global structure to hold state Date: Wed, 22 Jul 2026 02:15:57 +0300 Message-Id: <20260721231603.67865-4-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260721231603.67865-1-vladimir.oltean@nxp.com> References: <20260721231603.67865-1-vladimir.oltean@nxp.com> X-ClientProxiedBy: AS4P251CA0002.EURP251.PROD.OUTLOOK.COM (2603:10a6:20b:5d2::8) To AM0PR04MB6900.eurprd04.prod.outlook.com (2603:10a6:208:17d::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM0PR04MB6900:EE_|VI0PR04MB11817:EE_ X-MS-Office365-Filtering-Correlation-Id: da89b679-2a4e-42da-4c30-08dee77e11f3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|7416014|376014|19092799006|1800799024|366016|6133799003|11063799006|10067099003|56012099006|18002099003|22082099003|3023799007; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM0PR04MB6900.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(23010399003)(7416014)(376014)(19092799006)(1800799024)(366016)(6133799003)(11063799006)(10067099003)(56012099006)(18002099003)(22082099003)(3023799007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?8wACB/otcrSe3jHEcPFgISh8MR2K+UitI2FvL7Ji6/uKWgKAGHSMamYXxb2S?= =?us-ascii?Q?cwckD6DJgVxyboyAi63mgxBK0NyLAq6tHd849zpOPkQZnpSOqr/qSkmC6XRq?= =?us-ascii?Q?SKTQRUIWZSHPTTHOIxRyljaDLS1LZ/QbVagWD/RRzXfVT97hIZ9e3QJT9BRx?= =?us-ascii?Q?v01lTfvefG2JgXzLXTF8mU7PgM6Z3JcqNhppoQLaVkzsLALv/wdnPDLwaq+Q?= =?us-ascii?Q?Mvm8LWe+KRHCfADSRStrKD51X4rBAw1MveJPmwDfF+ObQJhRvUKvnxpWHaKc?= =?us-ascii?Q?jA2PoRosmF0eAfXrhmbrPzExs6BEfptSwKqRnZ5YNQtax6OEXeRLE7ncuANp?= =?us-ascii?Q?qXpzTk69W3PONHGWQeqExJzQK1AIdHR2JEvDSitZrfVWOZsAk82b810Iwf+n?= =?us-ascii?Q?zUnGn/7tS9xB0RBw6JCUHrqqopkn/DKs1fAlzpT7rc2Hnk1sNCiVe/8KLwV8?= =?us-ascii?Q?VPfrhahHyhAv4DX6ZzrtzQaMaAy/0EGhj6IBI0R4b7iUtQdhqtFC+dAr6yuS?= =?us-ascii?Q?uVA/8+DvHQWMG8l6aYGWptgYvJnQD99FbblPtP8nE2vjocdEEfJ9t8mpz1sm?= =?us-ascii?Q?dSgG4J40TV0FvWBwxmNFkxSDuF1ceqnmdOHgIqyF8PLAEGb0UnMqc+3DFCFY?= =?us-ascii?Q?OKyVPLbIv91ipHkIqjc0AB6qniSOKtTSfNJBUBh55vNS0uwZUccRjOtNiVvc?= =?us-ascii?Q?tVwbqDvoeECrGOzJB6vbmXjF7TFqKZ674aM/K96srNf903GMlR8jfgWMznOT?= =?us-ascii?Q?H80O1WGdSKJD2yoCFTg97ndNhP5BaGWq8+trA8lA//o8FqOKARwysEFvEUBa?= =?us-ascii?Q?4Q5rU17ScbzLj+xr7OkDR+wS0pGNy8q5aO04xh4+IpnVq2FONp76QQkL75UQ?= =?us-ascii?Q?iI0NSxuvOchoMawtUioE5RJnwsXVLvV9/qMobtUHhwU4KL4kNvUIMAMT6W5H?= =?us-ascii?Q?Ew52OojHYcL+tyRfy+YhxJxYgCv/L3ruItErQR77EACXQYm5Q8AE6Dd/yXJs?= =?us-ascii?Q?8R2+KKdJrM0kdQAiJdGqa2mzUQTV90avYig3r+R5UAnM3oQk7WJkyO+jP1sp?= =?us-ascii?Q?B/UbZG0tcdLPuMMfiXZ7PM89TVWeSz8tAaxjg3paYRL6k/NeZZeG8I1Z6Ygj?= =?us-ascii?Q?M+YBHgxPzysE8Hqw/TxllFtrsdU2rWMk/DrTMueb/Y4OlcHs0sBoJxxKshcW?= =?us-ascii?Q?dr8/ZSN+ErY5RXna8bEYZLxBynQ8K0fsc+AEbDEn+MoC8AvWEzzQYxgGa/hV?= =?us-ascii?Q?fPubXaQfKcR/TuoptRkzr/vbNgSW7TYZHkg7gtOqBKZaYku2LN6agTnfQWpw?= =?us-ascii?Q?YRJDDLw17uK20WGIwQryd9SlYjbykI5Ugej9YqGz3/TgLmGeHiN72L1tHlec?= =?us-ascii?Q?iTBYVlY3/CBwqdvmppzwv0+r96ewZoKUYz5siiWDdUbSkG3phfvC/yAfCxSI?= =?us-ascii?Q?h7dvfOzKDAwEgnCVGsOHGdL95k6htoUBWN0jDZci5XnN9OEmvOJlV2rP9Mad?= =?us-ascii?Q?MnBeRxoQPx1rOq26mwbiqaX/uFmVfYnuE5NBUHhAGeBpakC91+gmm5Zlxwhm?= =?us-ascii?Q?aTwuv/X0a08hMcl/8iDHsOvANKnkG75GLc6LjqNFNmGCfW6M1cirkzPXzKrf?= =?us-ascii?Q?3FR/s/SG/QjOk0pREvryAr6ocSy1WbLeM6SMJIdzz2I3NXrR40Xe9pazUAAB?= =?us-ascii?Q?TYpAFhW04c2D9eQ0nvUiiPQATtIvWMhcpgiXM4wv18QdzNNnAjBEVZFes6qo?= =?us-ascii?Q?5/UYtH/syQ=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: da89b679-2a4e-42da-4c30-08dee77e11f3 X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB6900.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jul 2026 23:16:18.7226 (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: hjzz3QnxNxBhsfZbsKxYoHxrgc21S9a/BG+6nto1Oviele6N+va2njNYDdfg6pTStNv5fDBYrPDF7fuKVaICnA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0PR04MB11817 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260721_161628_468053_67305026 X-CRM114-Status: GOOD ( 18.25 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org From: Ioana Ciornei Add the fsl_soc_guts structure in order to pass information like base addresses, endianness etc between the init time and the runtime operations (RCW override) which will get added in future patches. There is no point in mapping and unmapping the DCFG CCSR space every time we need to make a read, just map it once and keep its reference in this new global struture. Signed-off-by: Ioana Ciornei Signed-off-by: Vladimir Oltean --- v3->v4: - change error handling to a dedicated 'err_unmap_dcfg_ccsr' label v2->v3: - fix error handling in fsl_guts_init() - iounmap() the CCSR range and set it to NULL on the "err" label rather than "err_nomem" v1->v2: none --- drivers/soc/fsl/guts.c | 29 ++++++++++++++++++----------- 1 file changed, 18 insertions(+), 11 deletions(-) diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c index b97eb80cea95..bb65b62ed805 100644 --- a/drivers/soc/fsl/guts.c +++ b/drivers/soc/fsl/guts.c @@ -106,6 +106,11 @@ static const struct fsl_soc_die_attr fsl_soc_die[] = { { }, }; +static struct fsl_soc_guts { + struct ccsr_guts __iomem *dcfg_ccsr; + bool little_endian; +} soc; + static const struct fsl_soc_die_attr *fsl_soc_die_match( u32 svr, const struct fsl_soc_die_attr *matches) { @@ -187,9 +192,7 @@ static int __init fsl_guts_init(void) const struct fsl_soc_die_attr *soc_die; const struct fsl_soc_data *soc_data; const struct of_device_id *match; - struct ccsr_guts __iomem *regs; struct device_node *np; - bool little_endian; u64 soc_uid = 0; u32 svr; int ret; @@ -199,24 +202,25 @@ static int __init fsl_guts_init(void) return 0; soc_data = match->data; - regs = of_iomap(np, DCFG_CCSR); - if (!regs) { + soc.dcfg_ccsr = of_iomap(np, DCFG_CCSR); + if (!soc.dcfg_ccsr) { of_node_put(np); return -ENOMEM; } - little_endian = of_property_read_bool(np, "little-endian"); - if (little_endian) - svr = ioread32(®s->svr); + soc.little_endian = of_property_read_bool(np, "little-endian"); + if (soc.little_endian) + svr = ioread32(&soc.dcfg_ccsr->svr); else - svr = ioread32be(®s->svr); - iounmap(regs); + svr = ioread32be(&soc.dcfg_ccsr->svr); of_node_put(np); /* Register soc device */ soc_dev_attr = kzalloc_obj(*soc_dev_attr); - if (!soc_dev_attr) - return -ENOMEM; + if (!soc_dev_attr) { + ret = -ENOMEM; + goto err_unmap_dcfg_ccsr; + } ret = soc_attr_read_machine(soc_dev_attr); if (ret) @@ -276,6 +280,9 @@ static int __init fsl_guts_init(void) kfree(soc_dev_attr->family); err_free_soc_dev_attr: kfree(soc_dev_attr); +err_unmap_dcfg_ccsr: + iounmap(soc.dcfg_ccsr); + soc.dcfg_ccsr = NULL; return ret; } -- 2.34.1 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy