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Wysocki" , Marc Zyngier , Hector Martin , Angela Czubak , Steen Hegelund , Lars Povlsen , Linus Walleij , Vinod Koul , Kishon Vijay Abraham I , Russell King , Heiner Kallweit , Jakub Kicinski , "David S. Miller" , Florian Fainelli , Vivien Didelot , Andrew Lunn , UNGLinuxDriver@microchip.com, Alexandre Belloni , Claudiu Manoil , Vladimir Oltean , Lee Jones , katie.morris@in-advantage.com Subject: [RFC v7 net-next 08/13] phy: ocelot-serdes: add ability to be used in mfd configuration Date: Sun, 6 Mar 2022 18:12:03 -0800 Message-Id: <20220307021208.2406741-9-colin.foster@in-advantage.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220307021208.2406741-1-colin.foster@in-advantage.com> References: <20220307021208.2406741-1-colin.foster@in-advantage.com> X-ClientProxiedBy: MW4PR04CA0174.namprd04.prod.outlook.com (2603:10b6:303:85::29) 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: a33735d7-3fb4-4091-1462-08d9ffdfef6d X-MS-TrafficTypeDiagnostic: SA2PR10MB4553: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)(366004)(376002)(42606007)(396003)(136003)(39840400004)(346002)(38350700002)(86362001)(508600001)(107886003)(38100700002)(6486002)(54906003)(36756003)(44832011)(6666004)(6506007)(66556008)(66946007)(4326008)(316002)(66476007)(8676002)(6512007)(26005)(186003)(8936002)(52116002)(1076003)(5660300002)(7416002)(2616005)(2906002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: in-advantage.com X-MS-Exchange-CrossTenant-Network-Message-Id: a33735d7-3fb4-4091-1462-08d9ffdfef6d X-MS-Exchange-CrossTenant-AuthSource: MWHPR1001MB2351.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Mar 2022 02:12:31.2141 (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: 3tUgfQZmXF/07pqy9cC7888Hnmo5fODBOn3cCB0v4xCW5odIlHtpvfBSgfPxu8oxFsebabUsM1VvmAmu2PYDwRfTMxWaCZx/EVRPZrekFLU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA2PR10MB4553 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC When ocelot-serdes is used in an MFD configuration, it might need to get regmaps from an mfd instead of syscon. Add this ability to be used in either configuration. Signed-off-by: Colin Foster --- drivers/phy/mscc/phy-ocelot-serdes.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/phy/mscc/phy-ocelot-serdes.c b/drivers/phy/mscc/phy-ocelot-serdes.c index 76f596365176..ae1284e356e7 100644 --- a/drivers/phy/mscc/phy-ocelot-serdes.c +++ b/drivers/phy/mscc/phy-ocelot-serdes.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -492,8 +493,10 @@ static int serdes_phy_create(struct serdes_ctrl *ctrl, u8 idx, struct phy **phy) static int serdes_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct phy_provider *provider; struct serdes_ctrl *ctrl; + struct resource *res; unsigned int i; int ret; @@ -502,7 +505,15 @@ static int serdes_probe(struct platform_device *pdev) return -ENOMEM; ctrl->dev = &pdev->dev; + ctrl->regs = syscon_node_to_regmap(pdev->dev.parent->of_node); + if (IS_ERR(ctrl->regs)) { + /* Fall back to using IORESOURCE_REG, if possible */ + res = platform_get_resource(pdev, IORESOURCE_REG, 0); + if (!res) + ctrl->regs = ocelot_get_regmap_from_resource(dev, res); + } + if (IS_ERR(ctrl->regs)) return PTR_ERR(ctrl->regs);