1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
11 #define ENETC_MDIO_BUS_NAME	ENETC_MDIO_DEV_NAME " Bus"
19 	if (pdev->vendor == PCI_VENDOR_ID_FREESCALE &&  in enetc_emdio_enable_err050089()
20 	    pdev->device == ENETC_MDIO_DEV_ID) {  in enetc_emdio_enable_err050089()
22 		dev_info(&pdev->dev, "Enabled ERR050089 workaround\n");  in enetc_emdio_enable_err050089()
28 	if (pdev->vendor == PCI_VENDOR_ID_FREESCALE &&  in enetc_emdio_disable_err050089()
29 	    pdev->device == ENETC_MDIO_DEV_ID) {  in enetc_emdio_disable_err050089()
32 			dev_info(&pdev->dev, "Disabled ERR050089 workaround\n");  in enetc_emdio_disable_err050089()
40 	struct device *dev = &pdev->dev;  in enetc_pci_mdio_probe()
43 	struct mii_bus *bus;  in enetc_pci_mdio_probe()  local
44 	int err;  in enetc_pci_mdio_probe()  local
49 		err = -ENXIO;  in enetc_pci_mdio_probe()
55 		err = PTR_ERR(hw);  in enetc_pci_mdio_probe()
59 	bus = devm_mdiobus_alloc_size(dev, sizeof(*mdio_priv));  in enetc_pci_mdio_probe()
60 	if (!bus) {  in enetc_pci_mdio_probe()
61 		err = -ENOMEM;  in enetc_pci_mdio_probe()
65 	bus->name = ENETC_MDIO_BUS_NAME;  in enetc_pci_mdio_probe()
66 	bus->read = enetc_mdio_read_c22;  in enetc_pci_mdio_probe()
67 	bus->write = enetc_mdio_write_c22;  in enetc_pci_mdio_probe()
68 	bus->read_c45 = enetc_mdio_read_c45;  in enetc_pci_mdio_probe()
69 	bus->write_c45 = enetc_mdio_write_c45;  in enetc_pci_mdio_probe()
70 	bus->parent = dev;  in enetc_pci_mdio_probe()
71 	mdio_priv = bus->priv;  in enetc_pci_mdio_probe()
72 	mdio_priv->hw = hw;  in enetc_pci_mdio_probe()
73 	mdio_priv->mdio_base = ENETC_EMDIO_BASE;  in enetc_pci_mdio_probe()
74 	snprintf(bus->id, MII_BUS_ID_SIZE, "%s", dev_name(dev));  in enetc_pci_mdio_probe()
77 	err = pci_enable_device_mem(pdev);  in enetc_pci_mdio_probe()
78 	if (err) {  in enetc_pci_mdio_probe()
83 	err = pci_request_region(pdev, 0, KBUILD_MODNAME);  in enetc_pci_mdio_probe()
84 	if (err) {  in enetc_pci_mdio_probe()
91 	err = of_mdiobus_register(bus, dev->of_node);  in enetc_pci_mdio_probe()
92 	if (err)  in enetc_pci_mdio_probe()
95 	pci_set_drvdata(pdev, bus);  in enetc_pci_mdio_probe()
109 	return err;  in enetc_pci_mdio_probe()
114 	struct mii_bus *bus = pci_get_drvdata(pdev);  in enetc_pci_mdio_remove()  local
117 	mdiobus_unregister(bus);  in enetc_pci_mdio_remove()
121 	mdio_priv = bus->priv;  in enetc_pci_mdio_remove()
122 	iounmap(mdio_priv->hw->port);  in enetc_pci_mdio_remove()