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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Lars Povlsen , Steen Hegelund , UNGLinuxDriver@microchip.com, Linus Walleij , Wolfram Sang , Terry Bowman , Andy Shevchenko Subject: [PATCH v9 net-next 2/7] net: mdio: mscc-miim: add ability to be used in a non-mmio configuration Date: Fri, 10 Jun 2022 10:56:50 -0700 Message-Id: <20220610175655.776153-3-colin.foster@in-advantage.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220610175655.776153-1-colin.foster@in-advantage.com> References: <20220610175655.776153-1-colin.foster@in-advantage.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MWHPR19CA0070.namprd19.prod.outlook.com (2603:10b6:300:94::32) 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: 2470f541-d1a1-4cd9-25c4-08da4b0aa222 X-MS-TrafficTypeDiagnostic: DM6PR10MB3356:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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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 | 27 ++++++++------------------- 1 file changed, 8 insertions(+), 19 deletions(-) diff --git a/drivers/net/mdio/mdio-mscc-miim.c b/drivers/net/mdio/mdio-mscc-miim.c index 08541007b18a..cd89a313cf82 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 @@ -270,43 +271,31 @@ 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); - + ocelot_platform_init_regmap_from_resource(pdev, 0, &mii_regmap, NULL, + &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); + ocelot_platform_init_regmap_from_resource(pdev, 1, &phy_regmap, &res, + &mscc_miim_phy_regmap_config); 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)) { dev_err(dev, "Unable to create phy register regmap\n"); return PTR_ERR(phy_regmap); } + } else { + phy_regmap = NULL; } ret = mscc_miim_setup(dev, &bus, "mscc_miim", mii_regmap, 0); -- 2.25.1