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 4966AC433EF for ; Tue, 28 Jun 2022 08:19:06 +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=RMP+b6fBP+Igiw20KNtEbQ5PdOKFYoUnnragfmATwGs=; b=jH7+ah/TUCFREE Avfq25+dhZLN7xsRSJFTVvvRfuUvGVOmbbvJlPRxWZd6Bd1Qj0na4magEy3fUxNm0k+92mb27OU6P n5Xkusbj/7lciZfNH/B5w7BVD8uuaZCu67OELZdRsTSUgoVE5yMlR2vEjUkWwepWvk6cgMTA3fMoH slGLozRz6Aj76pblsCWpUMD0ohmFVN8lFgSQRrIdHoADNhpAMLocDIIFPAtAbuuMfMGqYqG1fPdeM Px6cVrq9aGJK0ZVkcImTQBlCbUfygZbtlG0LSQe8SukoAlZg2P2XTytQQMpIKHAjsChohNhp/nAKk Pyv1ksd81xdXX/qOeznA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o66Pz-005BtQ-2c; Tue, 28 Jun 2022 08:17:55 +0000 Received: from mail-sn1anam02on2114.outbound.protection.outlook.com ([40.107.96.114] helo=NAM02-SN1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o66Pe-005BeO-At for linux-arm-kernel@lists.infradead.org; Tue, 28 Jun 2022 08:17:37 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ZaD4LLei/0y/cpvKANnrTnF9rH+ACl3XgnCbDCxgC4HkCr9OxsbIldOc4Za10qUAOCcs5KtyML5Q15fWI2CVybNF1NGUi+fnHWBX1uMDo2w+KnNC+7LdyK3sbn2ZQC6otT23RVobybdAQAR9pHadIdm/a8FmRwHpAZkMjiKqRRbZWFOejC4MKs80wRn69crdlh3KvgLEB3eQhYQFQzAluff6QUZLjWIpgvqOAkR4iNYGhnc46O44eRA/zSdzXC4g4zaQTwM1wnf0K70l9O2xKeG4qX1Ms58udp/vQL6VkLNOcHHevf2Bvtd3tYBGMYHpvSKsQh7+tdOGRW8b0wI1Rg== 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=PHD7icKesZTmeejaNQRsR0ROYggUF+B8IFljBCWZSok=; b=Nw/6QEL2i15EzHYuZ871TwCKqXyXPuRg8Riokz4Y+GS+xsHpZR5a3ipsfw7NjhNQK6RFvGYbdMAOiTT0alzZIZ2GEfEOKcqRLAjFckMyF8C0Ub3kAscRqYMXe5+VW+ug2ZQfOBZeA51WD9VUr0B+XWg2GQU4yTFQA6tMmWsqTHsQXF0IyABLp0S++zuctzoaOxpRJuanrQ/YAQHjowkHRuL19g70tEXY9DZs6oEmc6FjQNNiH9tsOmk4oPloLo5huy96Qzd6g27blXR11NbGzqtTqri2ICmlwhBaw8rizO9sGDM3/RYQnt+mS+uKsy78+RfgGwvroow516S5PrvLvg== 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=PHD7icKesZTmeejaNQRsR0ROYggUF+B8IFljBCWZSok=; b=JnunMKZJpsX62fpaEpU+gr7zAYyYRc8VLPACyqlab/SSQbDG3c7uPR8jIoGdjQqD2LULqAiGhVvlf9knBT+gFhSjmzRhnnZH8+33Ae2q0dSTp4xhtGBUBh/u40d4l06lP9biMNViKDjktkeDZ30nSTqvI/bxOM06bdiIhGk3D20= 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 SJ0PR10MB5891.namprd10.prod.outlook.com (2603:10b6:a03:425::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5373.17; Tue, 28 Jun 2022 08:17:27 +0000 Received: from MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::712f:6916:3431:e74e]) by MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::712f:6916:3431:e74e%6]) with mapi id 15.20.5373.018; Tue, 28 Jun 2022 08:17:27 +0000 From: Colin Foster To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org Cc: Vladimir Oltean , Lee Jones , Rob Herring , Krzysztof Kozlowski , Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Lars Povlsen , Steen Hegelund , UNGLinuxDriver@microchip.com, Linus Walleij , Wolfram Sang , Terry Bowman , Andy Shevchenko Subject: [PATCH v11 net-next 2/9] net: mdio: mscc-miim: add ability to be used in a non-mmio configuration Date: Tue, 28 Jun 2022 01:17:02 -0700 Message-Id: <20220628081709.829811-3-colin.foster@in-advantage.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220628081709.829811-1-colin.foster@in-advantage.com> References: <20220628081709.829811-1-colin.foster@in-advantage.com> X-ClientProxiedBy: MW4PR04CA0259.namprd04.prod.outlook.com (2603:10b6:303:88::24) 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: e443d807-66c2-4454-d0e6-08da58dea2e2 X-MS-TrafficTypeDiagnostic: SJ0PR10MB5891:EE_ 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:(13230016)(346002)(366004)(396003)(39840400004)(376002)(136003)(36756003)(38100700002)(6512007)(6666004)(41300700001)(38350700002)(44832011)(478600001)(8676002)(4326008)(2616005)(66946007)(66556008)(66476007)(6506007)(2906002)(54906003)(86362001)(1076003)(6486002)(8936002)(186003)(5660300002)(7416002)(316002)(83380400001)(26005)(52116002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Dn9odIACSp/y4Eo+7ImUkSNopd6Tjg+88HMkd3BxUyD6iQQd8CMZP1nc7bpw?= =?us-ascii?Q?/s43Gwrd1mDCO6gRp33i+eTOmb2dVjWc6GOAwRtSkerbr1LAO58pJtn2UXJg?= =?us-ascii?Q?Tl54fOp/MVLCmvpl39f8vlC1F9lCMy8+5Yz1id/jrZDD7wVp2dik2zz5Qax3?= =?us-ascii?Q?seFbzbDHPY/7WapF/LZRByXqkiKzQx/2f/Dy9m60IMQPS9D9lLb1UrYaRgLv?= =?us-ascii?Q?vwKCTwQSrG0TQL3bAtlTux/6QPNbdOB1wwcBJdWwvVWJEQgFnaN0cO9Rdl1l?= =?us-ascii?Q?/MSNdlm60dK3HNhYGl+sThfbD49gxdY6Dn4Af7wYrpL2txzgfLXeHVbjXgIl?= =?us-ascii?Q?a0j0mhEjFXt6bbfTpOLEYK/NUzvNCWtf/qepjjWBF0SoYePjEW1krJMqoyo6?= =?us-ascii?Q?Jp73i7zIDriI19LBLIoaTq22b1ko0pppdMAUmzjzZs64L5w2LTc7vHOprt2x?= =?us-ascii?Q?JH4oJ7OYyuh3J9vmR870gg77TB8iHeJCdNPPLzXkKJ26dwT+rBb7xiok7r0C?= =?us-ascii?Q?l03Mgsf+SxRgiky5hHotBDPpl4Pc0J9xeL976DCZQVDNaTn4+oCWngQ7LCha?= =?us-ascii?Q?h0pQjpNu4FvZ0lYQHSR6fGnWgtA1VN4ppSdbOytol/PiBlPfLHTr7n2pPVUs?= =?us-ascii?Q?hJyoq2yXjsETveensP6MYk/N6Iphes5RPFc6wwjvXlzcEVCTQO3zQXzeG000?= =?us-ascii?Q?sjJp7Mh6/vqqF4rL+RbARXSQygDJLXcKRmt3ldlmchnj5h80+AZz0YKxyO9J?= =?us-ascii?Q?zBLo0lFdelThnMQV4VMzOdprRYNLypFNzhhPziX+roFpcbED4H1WeLb4Xb/K?= =?us-ascii?Q?a+n9tF08cAo0W1qUh9eAemlDu0Bi0yevrWRu9O+RGuQFpZl0Q6n6nG0QDY/d?= =?us-ascii?Q?K0HLWhoks+z+1GQw5zbJFCNuiQZxYC83d13iPuHVO+j9yTUD00B9ASY1V0zt?= =?us-ascii?Q?Kl3m8k2FCORmVYQH7eazWmamNZ/c0j5ZvhBA/d51jVni0L+0bIrsesQ16xPu?= =?us-ascii?Q?/yjhEGxhQCmog1iFBnatUpUanmuOL7XBMdtu8gOYyci1izMJc0+lY6NomITP?= =?us-ascii?Q?esWnfYoWQ0pd7UY0myJhiFYYVbnuklOPWZR3SPL2h0kJcB8AD+kGYaTxdRL4?= =?us-ascii?Q?WjZMmOT+ihLX2CSKK8XBsIzFHcaP9PBrZO7/lamuJazl90VCpvIegfLE06Ig?= =?us-ascii?Q?wqoEMDrre1mioCR/zLIU5O9QOAnXJU368u6OYYt6hl1tohm4/+1TmI3C+sSE?= =?us-ascii?Q?uVUC1HbJqzhDa52rF1qVLxQFKPn61shdz7SiDuR13mUf/Veo3dThpwPcBoIP?= =?us-ascii?Q?4xGYmhi628h+kZ2thKgx9b814rpB163JJRDsvwg0eY0mLUYIdpEGg01hOvo8?= =?us-ascii?Q?Txy5XWKPist/nr55SkGpPlvDbRO9MNUsVJ2BSn2Z1BbLTwlW6iZ05qIrfIB/?= =?us-ascii?Q?PV+IK0yflAa8AvF9JQtpvJsDK4bItcp16ugb9qGhuBYkJLewVgW8fe9s43DZ?= =?us-ascii?Q?1TeQaJGdw7sbs4HMmCdjDuYYDAlrM2kw+zi1bB45sIhITVu6by1yN9fy3hh0?= =?us-ascii?Q?Fvr+rtxtd2IePE6awhJY0V+lEDTCgoh38qd32YqIQlqJYWv9sYgVsMvSNRwQ?= =?us-ascii?Q?Uw=3D=3D?= X-OriginatorOrg: in-advantage.com X-MS-Exchange-CrossTenant-Network-Message-Id: e443d807-66c2-4454-d0e6-08da58dea2e2 X-MS-Exchange-CrossTenant-AuthSource: MWHPR1001MB2351.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jun 2022 08:17:26.6978 (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: sRejwLOtKKaWgRl4Jc5L3cEr4d2WGbjPyOkIGL0LJFn4c6W9LhFk1SGlaHFIiuOkZAx4/5+Pz4BXf98Ievxz2t/+DuCF9dI1yPL1nVqt68k= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR10MB5891 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220628_011734_540299_DC4E9804 X-CRM114-Status: GOOD ( 17.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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 There are a few Ocelot chips that contain the logic for this bus, but are controlled externally. Specifically the VSC7511, 7512, 7513, and 7514. In the externally controlled configurations these registers are not memory-mapped. Add support for these non-memory-mapped configurations. Signed-off-by: Colin Foster --- drivers/net/mdio/mdio-mscc-miim.c | 35 +++++++++++-------------------- 1 file changed, 12 insertions(+), 23 deletions(-) diff --git a/drivers/net/mdio/mdio-mscc-miim.c b/drivers/net/mdio/mdio-mscc-miim.c index 08541007b18a..157c0b196eab 100644 --- a/drivers/net/mdio/mdio-mscc-miim.c +++ b/drivers/net/mdio/mdio-mscc-miim.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -270,40 +271,27 @@ static int mscc_miim_clk_set(struct mii_bus *bus) static int mscc_miim_probe(struct platform_device *pdev) { - struct regmap *mii_regmap, *phy_regmap = NULL; struct device_node *np = pdev->dev.of_node; + struct regmap *mii_regmap, *phy_regmap; struct device *dev = &pdev->dev; - void __iomem *regs, *phy_regs; struct mscc_miim_dev *miim; - struct resource *res; struct mii_bus *bus; int ret; - regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); - if (IS_ERR(regs)) { - dev_err(dev, "Unable to map MIIM registers\n"); - return PTR_ERR(regs); - } - - mii_regmap = devm_regmap_init_mmio(dev, regs, &mscc_miim_regmap_config); - + mii_regmap = ocelot_platform_init_regmap_from_resource(pdev, 0, + &mscc_miim_regmap_config); if (IS_ERR(mii_regmap)) { dev_err(dev, "Unable to create MIIM regmap\n"); return PTR_ERR(mii_regmap); } - /* This resource is optional */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (res) { - phy_regs = devm_ioremap_resource(dev, res); - if (IS_ERR(phy_regs)) { - dev_err(dev, "Unable to map internal phy registers\n"); - return PTR_ERR(phy_regs); - } - - phy_regmap = devm_regmap_init_mmio(dev, phy_regs, - &mscc_miim_phy_regmap_config); - if (IS_ERR(phy_regmap)) { + /* This resource is optional, so ENOENT can be ignored */ + phy_regmap = ocelot_platform_init_regmap_from_resource(pdev, 1, + &mscc_miim_phy_regmap_config); + if (IS_ERR(phy_regmap)) { + if (phy_regmap == ERR_PTR(-ENOENT)) { + phy_regmap = NULL; + } else { dev_err(dev, "Unable to create phy register regmap\n"); return PTR_ERR(phy_regmap); } @@ -404,3 +392,4 @@ module_platform_driver(mscc_miim_driver); MODULE_DESCRIPTION("Microsemi MIIM driver"); MODULE_AUTHOR("Alexandre Belloni "); MODULE_LICENSE("Dual MIT/GPL"); +MODULE_IMPORT_NS(MFD_OCELOT); -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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 C6054CCA481 for ; Tue, 28 Jun 2022 08:19:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244768AbiF1ITj (ORCPT ); Tue, 28 Jun 2022 04:19:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243943AbiF1IS5 (ORCPT ); Tue, 28 Jun 2022 04:18:57 -0400 Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-sn1anam02on2095.outbound.protection.outlook.com [40.107.96.95]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A384FB64; Tue, 28 Jun 2022 01:17:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ZaD4LLei/0y/cpvKANnrTnF9rH+ACl3XgnCbDCxgC4HkCr9OxsbIldOc4Za10qUAOCcs5KtyML5Q15fWI2CVybNF1NGUi+fnHWBX1uMDo2w+KnNC+7LdyK3sbn2ZQC6otT23RVobybdAQAR9pHadIdm/a8FmRwHpAZkMjiKqRRbZWFOejC4MKs80wRn69crdlh3KvgLEB3eQhYQFQzAluff6QUZLjWIpgvqOAkR4iNYGhnc46O44eRA/zSdzXC4g4zaQTwM1wnf0K70l9O2xKeG4qX1Ms58udp/vQL6VkLNOcHHevf2Bvtd3tYBGMYHpvSKsQh7+tdOGRW8b0wI1Rg== 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=PHD7icKesZTmeejaNQRsR0ROYggUF+B8IFljBCWZSok=; b=Nw/6QEL2i15EzHYuZ871TwCKqXyXPuRg8Riokz4Y+GS+xsHpZR5a3ipsfw7NjhNQK6RFvGYbdMAOiTT0alzZIZ2GEfEOKcqRLAjFckMyF8C0Ub3kAscRqYMXe5+VW+ug2ZQfOBZeA51WD9VUr0B+XWg2GQU4yTFQA6tMmWsqTHsQXF0IyABLp0S++zuctzoaOxpRJuanrQ/YAQHjowkHRuL19g70tEXY9DZs6oEmc6FjQNNiH9tsOmk4oPloLo5huy96Qzd6g27blXR11NbGzqtTqri2ICmlwhBaw8rizO9sGDM3/RYQnt+mS+uKsy78+RfgGwvroow516S5PrvLvg== 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=PHD7icKesZTmeejaNQRsR0ROYggUF+B8IFljBCWZSok=; b=JnunMKZJpsX62fpaEpU+gr7zAYyYRc8VLPACyqlab/SSQbDG3c7uPR8jIoGdjQqD2LULqAiGhVvlf9knBT+gFhSjmzRhnnZH8+33Ae2q0dSTp4xhtGBUBh/u40d4l06lP9biMNViKDjktkeDZ30nSTqvI/bxOM06bdiIhGk3D20= 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 SJ0PR10MB5891.namprd10.prod.outlook.com (2603:10b6:a03:425::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5373.17; Tue, 28 Jun 2022 08:17:27 +0000 Received: from MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::712f:6916:3431:e74e]) by MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::712f:6916:3431:e74e%6]) with mapi id 15.20.5373.018; Tue, 28 Jun 2022 08:17:27 +0000 From: Colin Foster To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org Cc: Vladimir Oltean , Lee Jones , Rob Herring , Krzysztof Kozlowski , Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Lars Povlsen , Steen Hegelund , UNGLinuxDriver@microchip.com, Linus Walleij , Wolfram Sang , Terry Bowman , Andy Shevchenko Subject: [PATCH v11 net-next 2/9] net: mdio: mscc-miim: add ability to be used in a non-mmio configuration Date: Tue, 28 Jun 2022 01:17:02 -0700 Message-Id: <20220628081709.829811-3-colin.foster@in-advantage.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220628081709.829811-1-colin.foster@in-advantage.com> References: <20220628081709.829811-1-colin.foster@in-advantage.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MW4PR04CA0259.namprd04.prod.outlook.com (2603:10b6:303:88::24) 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: e443d807-66c2-4454-d0e6-08da58dea2e2 X-MS-TrafficTypeDiagnostic: SJ0PR10MB5891:EE_ 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:(13230016)(346002)(366004)(396003)(39840400004)(376002)(136003)(36756003)(38100700002)(6512007)(6666004)(41300700001)(38350700002)(44832011)(478600001)(8676002)(4326008)(2616005)(66946007)(66556008)(66476007)(6506007)(2906002)(54906003)(86362001)(1076003)(6486002)(8936002)(186003)(5660300002)(7416002)(316002)(83380400001)(26005)(52116002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Dn9odIACSp/y4Eo+7ImUkSNopd6Tjg+88HMkd3BxUyD6iQQd8CMZP1nc7bpw?= =?us-ascii?Q?/s43Gwrd1mDCO6gRp33i+eTOmb2dVjWc6GOAwRtSkerbr1LAO58pJtn2UXJg?= =?us-ascii?Q?Tl54fOp/MVLCmvpl39f8vlC1F9lCMy8+5Yz1id/jrZDD7wVp2dik2zz5Qax3?= =?us-ascii?Q?seFbzbDHPY/7WapF/LZRByXqkiKzQx/2f/Dy9m60IMQPS9D9lLb1UrYaRgLv?= =?us-ascii?Q?vwKCTwQSrG0TQL3bAtlTux/6QPNbdOB1wwcBJdWwvVWJEQgFnaN0cO9Rdl1l?= =?us-ascii?Q?/MSNdlm60dK3HNhYGl+sThfbD49gxdY6Dn4Af7wYrpL2txzgfLXeHVbjXgIl?= =?us-ascii?Q?a0j0mhEjFXt6bbfTpOLEYK/NUzvNCWtf/qepjjWBF0SoYePjEW1krJMqoyo6?= =?us-ascii?Q?Jp73i7zIDriI19LBLIoaTq22b1ko0pppdMAUmzjzZs64L5w2LTc7vHOprt2x?= =?us-ascii?Q?JH4oJ7OYyuh3J9vmR870gg77TB8iHeJCdNPPLzXkKJ26dwT+rBb7xiok7r0C?= =?us-ascii?Q?l03Mgsf+SxRgiky5hHotBDPpl4Pc0J9xeL976DCZQVDNaTn4+oCWngQ7LCha?= =?us-ascii?Q?h0pQjpNu4FvZ0lYQHSR6fGnWgtA1VN4ppSdbOytol/PiBlPfLHTr7n2pPVUs?= =?us-ascii?Q?hJyoq2yXjsETveensP6MYk/N6Iphes5RPFc6wwjvXlzcEVCTQO3zQXzeG000?= =?us-ascii?Q?sjJp7Mh6/vqqF4rL+RbARXSQygDJLXcKRmt3ldlmchnj5h80+AZz0YKxyO9J?= =?us-ascii?Q?zBLo0lFdelThnMQV4VMzOdprRYNLypFNzhhPziX+roFpcbED4H1WeLb4Xb/K?= =?us-ascii?Q?a+n9tF08cAo0W1qUh9eAemlDu0Bi0yevrWRu9O+RGuQFpZl0Q6n6nG0QDY/d?= =?us-ascii?Q?K0HLWhoks+z+1GQw5zbJFCNuiQZxYC83d13iPuHVO+j9yTUD00B9ASY1V0zt?= =?us-ascii?Q?Kl3m8k2FCORmVYQH7eazWmamNZ/c0j5ZvhBA/d51jVni0L+0bIrsesQ16xPu?= =?us-ascii?Q?/yjhEGxhQCmog1iFBnatUpUanmuOL7XBMdtu8gOYyci1izMJc0+lY6NomITP?= =?us-ascii?Q?esWnfYoWQ0pd7UY0myJhiFYYVbnuklOPWZR3SPL2h0kJcB8AD+kGYaTxdRL4?= =?us-ascii?Q?WjZMmOT+ihLX2CSKK8XBsIzFHcaP9PBrZO7/lamuJazl90VCpvIegfLE06Ig?= =?us-ascii?Q?wqoEMDrre1mioCR/zLIU5O9QOAnXJU368u6OYYt6hl1tohm4/+1TmI3C+sSE?= =?us-ascii?Q?uVUC1HbJqzhDa52rF1qVLxQFKPn61shdz7SiDuR13mUf/Veo3dThpwPcBoIP?= =?us-ascii?Q?4xGYmhi628h+kZ2thKgx9b814rpB163JJRDsvwg0eY0mLUYIdpEGg01hOvo8?= =?us-ascii?Q?Txy5XWKPist/nr55SkGpPlvDbRO9MNUsVJ2BSn2Z1BbLTwlW6iZ05qIrfIB/?= =?us-ascii?Q?PV+IK0yflAa8AvF9JQtpvJsDK4bItcp16ugb9qGhuBYkJLewVgW8fe9s43DZ?= =?us-ascii?Q?1TeQaJGdw7sbs4HMmCdjDuYYDAlrM2kw+zi1bB45sIhITVu6by1yN9fy3hh0?= =?us-ascii?Q?Fvr+rtxtd2IePE6awhJY0V+lEDTCgoh38qd32YqIQlqJYWv9sYgVsMvSNRwQ?= =?us-ascii?Q?Uw=3D=3D?= X-OriginatorOrg: in-advantage.com X-MS-Exchange-CrossTenant-Network-Message-Id: e443d807-66c2-4454-d0e6-08da58dea2e2 X-MS-Exchange-CrossTenant-AuthSource: MWHPR1001MB2351.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jun 2022 08:17:26.6978 (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: sRejwLOtKKaWgRl4Jc5L3cEr4d2WGbjPyOkIGL0LJFn4c6W9LhFk1SGlaHFIiuOkZAx4/5+Pz4BXf98Ievxz2t/+DuCF9dI1yPL1nVqt68k= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR10MB5891 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org There are a few Ocelot chips that contain the logic for this bus, but are controlled externally. Specifically the VSC7511, 7512, 7513, and 7514. In the externally controlled configurations these registers are not memory-mapped. Add support for these non-memory-mapped configurations. Signed-off-by: Colin Foster --- drivers/net/mdio/mdio-mscc-miim.c | 35 +++++++++++-------------------- 1 file changed, 12 insertions(+), 23 deletions(-) diff --git a/drivers/net/mdio/mdio-mscc-miim.c b/drivers/net/mdio/mdio-mscc-miim.c index 08541007b18a..157c0b196eab 100644 --- a/drivers/net/mdio/mdio-mscc-miim.c +++ b/drivers/net/mdio/mdio-mscc-miim.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -270,40 +271,27 @@ static int mscc_miim_clk_set(struct mii_bus *bus) static int mscc_miim_probe(struct platform_device *pdev) { - struct regmap *mii_regmap, *phy_regmap = NULL; struct device_node *np = pdev->dev.of_node; + struct regmap *mii_regmap, *phy_regmap; struct device *dev = &pdev->dev; - void __iomem *regs, *phy_regs; struct mscc_miim_dev *miim; - struct resource *res; struct mii_bus *bus; int ret; - regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); - if (IS_ERR(regs)) { - dev_err(dev, "Unable to map MIIM registers\n"); - return PTR_ERR(regs); - } - - mii_regmap = devm_regmap_init_mmio(dev, regs, &mscc_miim_regmap_config); - + mii_regmap = ocelot_platform_init_regmap_from_resource(pdev, 0, + &mscc_miim_regmap_config); if (IS_ERR(mii_regmap)) { dev_err(dev, "Unable to create MIIM regmap\n"); return PTR_ERR(mii_regmap); } - /* This resource is optional */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (res) { - phy_regs = devm_ioremap_resource(dev, res); - if (IS_ERR(phy_regs)) { - dev_err(dev, "Unable to map internal phy registers\n"); - return PTR_ERR(phy_regs); - } - - phy_regmap = devm_regmap_init_mmio(dev, phy_regs, - &mscc_miim_phy_regmap_config); - if (IS_ERR(phy_regmap)) { + /* This resource is optional, so ENOENT can be ignored */ + phy_regmap = ocelot_platform_init_regmap_from_resource(pdev, 1, + &mscc_miim_phy_regmap_config); + if (IS_ERR(phy_regmap)) { + if (phy_regmap == ERR_PTR(-ENOENT)) { + phy_regmap = NULL; + } else { dev_err(dev, "Unable to create phy register regmap\n"); return PTR_ERR(phy_regmap); } @@ -404,3 +392,4 @@ module_platform_driver(mscc_miim_driver); MODULE_DESCRIPTION("Microsemi MIIM driver"); MODULE_AUTHOR("Alexandre Belloni "); MODULE_LICENSE("Dual MIT/GPL"); +MODULE_IMPORT_NS(MFD_OCELOT); -- 2.25.1