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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7699C4332F for ; Sun, 8 May 2022 19:02:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238923AbiEHTGX (ORCPT ); Sun, 8 May 2022 15:06:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1382458AbiEHS52 (ORCPT ); Sun, 8 May 2022 14:57:28 -0400 Received: from NAM11-DM6-obe.outbound.protection.outlook.com (mail-dm6nam11on2101.outbound.protection.outlook.com [40.107.223.101]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E8F2A1B1; Sun, 8 May 2022 11:53:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=k50dYPqU2chcdkHAIkaBmsYDLdC2w79aYv/9Dc0YVPpHr399HMH8bGlUHwVzfQek5Tj1Yf2sj9rw5ON/zc5EG6ufzHCExQ9AJifD/Kx49ONrbPdPel64HJlm8hf6nHp11MKi8V4ht+qPS414XUbziG3pgu/B0Cyt5dM6CjW25kvhPgcKonJgDWET8jGVfVyuYGXWKcNZ7qP8dt/VHumBT+BVNiXga/W2U47J5cGpXGKQ/ViOsZ07J61BgsnQDIWpuP7RqTeeGz57axHlate0ontYRqNZDx4yUk1vtHSWnvgG+dicYJlfYytjh46HHgu5K1jjCz2gFnS7XENDVtBZvg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=lHA0gxBULloT1d9GVK35WIKgH38LA6IF0kvowOr1iIE=; b=QryKOpNswDR26kjAAUxSf9zCSOWrV/FSSSXl+i4/IboDjMKPB9ziNoELUVHvrxhp6Ge+5o1cFupRxoVEBCbzMwKksjIBulWK9gwKV0CDopRhKpRidQhgMFvc5mJDwh5+ucyx3GlE7f5oURAjzQMfMqwVZlettQ7rkNlt1yATUQUkGtE6jBYEDDijCfTqEQntzFEIe2dhUhWwxzneJOlBjAd3rJxbB5O7J6UGtQoOK9qH3I0YY9147N3N+TyIQdNVd83d7vFIfarUTyNGc9cakIgBZfPnJ9oxJFVRDLwjTJPbEXkkupp1gnaHXwSEb0J3UXbftVGsl48kcFpWuVr+Vg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=in-advantage.com; dmarc=pass action=none header.from=in-advantage.com; dkim=pass header.d=in-advantage.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inadvantage.onmicrosoft.com; s=selector2-inadvantage-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=lHA0gxBULloT1d9GVK35WIKgH38LA6IF0kvowOr1iIE=; b=tI/VQwgjVWhxIz8QpaY2ChHmCL+PH42B1yrDdMmqJeO8EwPSkQ0XvVFScogIHXRrd5vZdqe3zriJa38eeF6MHtx8o+bOyl3SbIOldqnFWp+PjOLd/c2m9CDN9bIKVf5cn2wNXHQlYNqGHbPISen3oC5gauWHMtpvB915dxKt4QA= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=in-advantage.com; Received: from MWHPR1001MB2351.namprd10.prod.outlook.com (2603:10b6:301:35::37) by SJ0PR10MB5533.namprd10.prod.outlook.com (2603:10b6:a03:3f7::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5227.21; Sun, 8 May 2022 18:53:32 +0000 Received: from MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::4581:787c:1a7a:873e]) by MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::4581:787c:1a7a:873e%3]) with mapi id 15.20.5227.020; Sun, 8 May 2022 18:53:32 +0000 From: Colin Foster To: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org Cc: Terry Bowman , Wolfram Sang , Andy Shevchenko , Steen Hegelund , Lars Povlsen , Linus Walleij , Russell King , Heiner Kallweit , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Florian Fainelli , Vivien Didelot , Andrew Lunn , UNGLinuxDriver@microchip.com, Alexandre Belloni , Claudiu Manoil , Vladimir Oltean , Lee Jones Subject: [RFC v8 net-next 03/16] net: ocelot: add interface to get regmaps when exernally controlled Date: Sun, 8 May 2022 11:53:00 -0700 Message-Id: <20220508185313.2222956-4-colin.foster@in-advantage.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220508185313.2222956-1-colin.foster@in-advantage.com> References: <20220508185313.2222956-1-colin.foster@in-advantage.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SJ0PR03CA0045.namprd03.prod.outlook.com (2603:10b6:a03:33e::20) To MWHPR1001MB2351.namprd10.prod.outlook.com (2603:10b6:301:35::37) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 7b45d7e9-7a4f-41d0-483a-08da31240c82 X-MS-TrafficTypeDiagnostic: SJ0PR10MB5533:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:MWHPR1001MB2351.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(39830400003)(136003)(376002)(366004)(396003)(346002)(316002)(66946007)(6666004)(4744005)(26005)(66556008)(508600001)(44832011)(6512007)(6486002)(66476007)(52116002)(186003)(86362001)(2906002)(4326008)(54906003)(8676002)(38100700002)(2616005)(38350700002)(6506007)(83380400001)(8936002)(7416002)(1076003)(36756003)(5660300002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?B/Kof9IgHaKzpPKxG1VQI8y4SDvKdQy/fpEAugbC8+J5U1agShucTOXnzbhS?= =?us-ascii?Q?gc1zMwZ8nMVDf6yDSPjf/reswCAt0xuKsgn7+TDVwz34bO1sx7VdUQfBKmHB?= =?us-ascii?Q?znGs7MvDCnmFF4E+Efxpfw3tM4zSu/9yjJr0Eg5x/17TIEtdAwmIwlvZHnvC?= =?us-ascii?Q?1j37le7wT9BkhIHj940zz4/gveVFCR8l2JN0coNWF5Vwp7gZivnPPeBecobr?= =?us-ascii?Q?03f2xe2MKrZ26O85S71MA3T00CXWHkWJB/npCTBlzLovJpjXXjiKpsDPkjaJ?= =?us-ascii?Q?yCblNB2ulbJaIPtgomscwVNbKkbAz1+RF0KnlIpuG8RaHDXMlv5tw7VZVEKD?= =?us-ascii?Q?PQZ7MOVKDW1yXOhM4lBqH4Ih+Es4wjgDEVfSYpBvsBxCmxn1FVMUjBriJ84v?= =?us-ascii?Q?rvBUSJreMZcn3xRma+J1JEehE3kIkvXSgRwjwvROghY3ShDUditT4tK7S4tC?= =?us-ascii?Q?k6MNTMWuhppz8yXCCUUbkdzstLSB5/nS1hIMU/Asg1lV8KUiUD9nDeL5fuIV?= =?us-ascii?Q?7EvKZsuT8xF/ushJa1dBAfDUwt4nIXngBYlcrcTrmuxEZ8ihWh5+UUl2usds?= =?us-ascii?Q?2IyUqOUhjrMD5dH8JW8lDUOSPBANnisZrM6ajqm/OuR+uP6SPwF97qD/jnBo?= =?us-ascii?Q?ZU8m7xx68e/SGrOHamsI/hnSVMCRq0k1RF+EdAKBPJa771SKNyhGA7JN+iyQ?= =?us-ascii?Q?cl9DiID0qqWI88pjALZmiYrH8nUhrpa9iP8H+lGYxuqQw+Fkt15nvQQRy9RW?= =?us-ascii?Q?o0vO4HpCHsZogSi6mZUl7yOP1F95onLHPx6YmZ/JTkVb15y9EPfe3ePgRSR+?= =?us-ascii?Q?3C2gqFtH3or8PWKPacjif8psKuolIC/NgOF08uunDbIqywOJxLzFPrbQc2zD?= =?us-ascii?Q?ke3gQMDh3K2n0wD4x5AT0HYKn3+uw12O8+VTKanFVc94nFiFPJGbEZ6Sfby7?= =?us-ascii?Q?msbzrx7azKy8C+o3VVeWKyuHcOcykwLsTM0Y/p8gjXlqWyw9Y2JjkkFWY7UV?= =?us-ascii?Q?MjfW7hJWBLyTLIBh9dEkFH7kNLof4CfHH5GwN9fIbRp3QEhucjyuKGCqeakI?= =?us-ascii?Q?LgauzSGvQQzfnt7DcDGAUbSBy70ukQqLMK1azxNdIkebk2HGLl9D8lr7knOU?= =?us-ascii?Q?FKFvb+I8Y2MGSsRqWlQMp1xlrrzV78Jdqnn9hl4dHdHgXcI3YlftKHiPYpZu?= =?us-ascii?Q?vzpQKj5oI/So2OpSlecCWnKZtS7wkhfX5QCwX9ALDrgp5rxUl2j1Vz6vnyaY?= =?us-ascii?Q?sotWmtzNKe5oQpDE5A83GaIKnsOIRJKJsXlIn0swCv45gEqJ5+LPoqYXLU7S?= =?us-ascii?Q?IuQs75eLssEFLZct+7RStNTWopsmcha/4HnZrYw2zd7fDkWDV1Pbd0cw7MFw?= =?us-ascii?Q?0DRzxwh5QAa5NBTusThWGrwB60Lj48YRjisL/eMGYJs8AqQOjBJyNpCkaLP9?= =?us-ascii?Q?AR77dMk9MeTmVzyPpOHBvsNtHwOFpXOqlB6MzYyvNmcfE1f4StWq71bLbfA6?= =?us-ascii?Q?VtGT/iiXAeAGtXl7NOlTvXgn0+X/XQibgi52HYG3w+hfheJByLnScUm4R35Z?= =?us-ascii?Q?0E4GacNiTCSvHkUN4PZEHIkdcxZ42bGY/kcDP/GeS7fpPmnqh5c6XAXyATV9?= =?us-ascii?Q?RDZ3U2dq4Zqu1Lda1g137wepAOU8NbcIz7iX8PszmekGJ0Bs/VKA6uGch0Qq?= =?us-ascii?Q?EyuXnFKoxHxMmvRFQ2ERk7zEcLid610y6cCcXtTHKpdHzxmHYdQmfnwQwfrD?= =?us-ascii?Q?n+VClDyId52RLhr+HEypN0kkxo6b7eTDeFiOrpwq3kHtp3eMp8cX?= X-OriginatorOrg: in-advantage.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7b45d7e9-7a4f-41d0-483a-08da31240c82 X-MS-Exchange-CrossTenant-AuthSource: MWHPR1001MB2351.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 May 2022 18:53:32.7294 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 48e842ca-fbd8-4633-a79d-0c955a7d3aae X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: rwDij+SiEiLEgYjwI0utF6CXpLLDjYQSOA1HqD9Se+MudbsENAn9fFX8EzgbWhqvgal2189QpvS6r8qsFFl6yfXYhfKjO2PWPZW6VJyFIGA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR10MB5533 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Ocelot chips have several peripherals: pinctrl, sgpio, miim... If the chip is in a configuration where it is being externally controlled via SPI, the child device will need to request a resource from the parent. Add the function call that will be used in those scenarios so that drivers can be updated before the full functionality is added. Signed-off-by: Colin Foster --- include/soc/mscc/ocelot.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h index 8d8d46778f7e..1897119ebb9a 100644 --- a/include/soc/mscc/ocelot.h +++ b/include/soc/mscc/ocelot.h @@ -1039,4 +1039,11 @@ ocelot_mrp_del_ring_role(struct ocelot *ocelot, int port, } #endif +static inline struct regmap * +ocelot_init_regmap_from_resource(struct device *child, + const struct resource *res) +{ + return ERR_PTR(-EOPNOTSUPP); +} + #endif -- 2.25.1