From patchwork Thu Feb 18 05:26:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Calvin Johnson X-Patchwork-Id: 384946 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20496C43381 for ; Thu, 18 Feb 2021 05:31:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E5A0B64DF0 for ; Thu, 18 Feb 2021 05:31:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230357AbhBRFb1 (ORCPT ); Thu, 18 Feb 2021 00:31:27 -0500 Received: from mail-am6eur05on2057.outbound.protection.outlook.com ([40.107.22.57]:24352 "EHLO EUR05-AM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229594AbhBRF3z (ORCPT ); Thu, 18 Feb 2021 00:29:55 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=lspK+Pha5cKSGFsp8JMvvPMYbyFeIGvznp3nW9Zv1kUcS+EJ84MsF7Oks0i1rthnVGYE/PfZcEhbr3N6/d49MA+wycQdMO1551iDl8k5GS5knsEexYXU8aCmu26HtogaQN8VW8zEQ7YJg8zYwbt+j3h8NlsGX467pqqbdUk0Ytn4Skw2OWvHNp2kVhKLUwql6UEC2KavRBI3KS6jYsuTisxrmZV++XTicFi7xV5BVqL7Mw8b4d2qzqv4a2W59JhsLdeDuoL+JSwPC9M8s7VVlfDit8ea5CMj3Npvn/3LeS0t2daYBQ4V6plx8WX+GULh+tkIbDWOxul26I47Je88Dw== 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-SenderADCheck; bh=/hJLB304LdQ/4Q0axIjEskvifwLDS0QY8l75kFdPAwo=; b=jzWiVG29U+wjoKqrR9NI+W726HG9Nbxc/vpN4SsmejtL+VToZlOmbe99CN78bwIrDMR9IZ4Mb9XAkPDeHSzh+RoUa152hUXXZZZQA/me0HkLo2REfBoW3mv07Mg/N6+fSo+adRAfmSduVnEnhoyXRrL93nWNqYy3JyugiXNajr9pZq3lSA1SSbr1S3XHHHkmbmdV/b3e14BvjxOCB3s4sjf5NpKZT6l4dM7HBwoTWdJ0yAbVyIVc/clV+tYHIAW8GZJBSWYyNTryvaNJloYB25Aum9sV/iQCp+Skjhso2KoOuq1k3ksDJGT7qeskizuwi7c/W6kMXpAL6lO3zov8VQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector2-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/hJLB304LdQ/4Q0axIjEskvifwLDS0QY8l75kFdPAwo=; b=VhfHvbClcbK84JincCuc/+EbW4QLcYrz8ZCTaH1k/Mt3S+C4zOVHBU8AhSqIPHtXBeL4vlmr4luQpFu7hTzPfRoBd8vRJZirQ14BTyUOr3dEG6hIizB/Z+wsWaY6z0Jy0NwCvhXBazafMQue6uJSD3JZUmnhybKfjuBelF5u4Vc= Authentication-Results: arm.com; dkim=none (message not signed) header.d=none; arm.com; dmarc=none action=none header.from=oss.nxp.com; Received: from AM0PR04MB5636.eurprd04.prod.outlook.com (2603:10a6:208:130::22) by AM0PR0402MB3442.eurprd04.prod.outlook.com (2603:10a6:208:21::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3846.42; Thu, 18 Feb 2021 05:28:00 +0000 Received: from AM0PR04MB5636.eurprd04.prod.outlook.com ([fe80::e90e:b1d6:18a2:2d42]) by AM0PR04MB5636.eurprd04.prod.outlook.com ([fe80::e90e:b1d6:18a2:2d42%6]) with mapi id 15.20.3846.042; Thu, 18 Feb 2021 05:28:00 +0000 From: Calvin Johnson To: Grant Likely , "Rafael J . Wysocki" , Jeremy Linton , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Russell King - ARM Linux admin , Cristi Sovaiala , Florin Laurentiu Chiculita , Ioana Ciornei , Madalin Bucur , Heikki Krogerus , Marcin Wojtas , Pieter Jansen Van Vuuren , Jon , Saravana Kannan , Randy Dunlap Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-acpi@vger.kernel.org, Laurentiu Tudor , Diana Madalina Craciun , linux-arm-kernel@lists.infradead.org, linux.cj@gmail.com, Calvin Johnson , "David S. Miller" , Heiner Kallweit , Jakub Kicinski Subject: [net-next PATCH v6 05/15] net: phy: Introduce fwnode_get_phy_id() Date: Thu, 18 Feb 2021 10:56:44 +0530 Message-Id: <20210218052654.28995-6-calvin.johnson@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210218052654.28995-1-calvin.johnson@oss.nxp.com> References: <20210218052654.28995-1-calvin.johnson@oss.nxp.com> X-Originating-IP: [14.142.151.118] X-ClientProxiedBy: SG2PR02CA0051.apcprd02.prod.outlook.com (2603:1096:4:54::15) To AM0PR04MB5636.eurprd04.prod.outlook.com (2603:10a6:208:130::22) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv03152.swis.in-blr01.nxp.com (14.142.151.118) by SG2PR02CA0051.apcprd02.prod.outlook.com (2603:1096:4:54::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3868.27 via Frontend Transport; Thu, 18 Feb 2021 05:27:54 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 7a8f3ef7-5f66-4f25-5bc6-08d8d3cdf4de X-MS-TrafficTypeDiagnostic: AM0PR0402MB3442: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4714; X-MS-Exchange-SenderADCheck: 1 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:AM0PR04MB5636.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(366004)(346002)(136003)(39860400002)(376002)(396003)(44832011)(6486002)(26005)(7416002)(16526019)(110136005)(956004)(2616005)(186003)(55236004)(1076003)(6666004)(4326008)(316002)(1006002)(54906003)(8936002)(5660300002)(921005)(2906002)(52116002)(478600001)(86362001)(8676002)(6512007)(66946007)(6506007)(66476007)(66556008)(110426009); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7a8f3ef7-5f66-4f25-5bc6-08d8d3cdf4de X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB5636.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Feb 2021 05:28:00.7232 (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: oJCphG7TxecaBRMIcyeVBILJtuWEUwxJnV434nv5b2Zq7fs6Z5b3wg4KKuH2k756Mhip4oopK9yKeFVWNlkGFQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0402MB3442 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Extract phy_id from compatible string. This will be used by fwnode_mdiobus_register_phy() to create phy device using the phy_id. Signed-off-by: Calvin Johnson --- Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: - Use traditional comparison pattern - Use GENMASK Changes in v2: None drivers/net/phy/phy_device.c | 21 +++++++++++++++++++++ include/linux/phy.h | 5 +++++ 2 files changed, 26 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 537a25b9ee94..5703d4229821 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -819,6 +819,27 @@ static int get_phy_c22_id(struct mii_bus *bus, int addr, u32 *phy_id) return 0; } +/* Extract the phy ID from the compatible string of the form + * ethernet-phy-idAAAA.BBBB. + */ +int fwnode_get_phy_id(struct fwnode_handle *fwnode, u32 *phy_id) +{ + unsigned int upper, lower; + const char *cp; + int ret; + + ret = fwnode_property_read_string(fwnode, "compatible", &cp); + if (ret) + return ret; + + if (sscanf(cp, "ethernet-phy-id%4x.%4x", &upper, &lower) != 2) + return -EINVAL; + + *phy_id = ((upper & GENMASK(15, 0)) << 16) | (lower & GENMASK(15, 0)); + return 0; +} +EXPORT_SYMBOL(fwnode_get_phy_id); + /** * get_phy_device - reads the specified PHY device and returns its @phy_device * struct diff --git a/include/linux/phy.h b/include/linux/phy.h index 720a2a8cf355..4b004a65762e 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1366,6 +1366,7 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id, bool is_c45, struct phy_c45_device_ids *c45_ids); #if IS_ENABLED(CONFIG_PHYLIB) +int fwnode_get_phy_id(struct fwnode_handle *fwnode, u32 *phy_id); struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode); struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode); struct phy_device *device_phy_find_device(struct device *dev); @@ -1374,6 +1375,10 @@ struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); int phy_device_register(struct phy_device *phy); void phy_device_free(struct phy_device *phydev); #else +static inline int fwnode_get_phy_id(struct fwnode_handle *fwnode, u32 *phy_id) +{ + return 0; +} static inline struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) {