1 // SPDX-License-Identifier: GPL-2.0
34 	mdev = dev->priv;  in ksz8863_mdio_read()
36 	mutex_lock_nested(&mdev->bus->mdio_lock, MDIO_MUTEX_NESTED);  in ksz8863_mdio_read()
40 		ret = __mdiobus_read(mdev->bus, ((tmp & 0xE0) >> 5) |  in ksz8863_mdio_read()
50 	mutex_unlock(&mdev->bus->mdio_lock);  in ksz8863_mdio_read()
63 	mdev = dev->priv;  in ksz8863_mdio_write()
68 	mutex_lock_nested(&mdev->bus->mdio_lock, MDIO_MUTEX_NESTED);  in ksz8863_mdio_write()
69 	for (i = 0; i < (count - 4); i++) {  in ksz8863_mdio_write()
72 		ret = __mdiobus_write(mdev->bus, ((tmp & 0xE0) >> 5),  in ksz8863_mdio_write()
79 	mutex_unlock(&mdev->bus->mdio_lock);  in ksz8863_mdio_write()
136 	struct device *ddev = &mdiodev->dev;  in ksz8863_smi_probe()
143 	dev = ksz_switch_alloc(&mdiodev->dev, mdiodev);  in ksz8863_smi_probe()
145 		return -ENOMEM;  in ksz8863_smi_probe()
149 		return -EINVAL;  in ksz8863_smi_probe()
153 		rc.lock_arg = &dev->regmap_mutex;  in ksz8863_smi_probe()
154 		rc.wr_table = chip->wr_table;  in ksz8863_smi_probe()
155 		rc.rd_table = chip->rd_table;  in ksz8863_smi_probe()
156 		dev->regmap[i] = devm_regmap_init(&mdiodev->dev,  in ksz8863_smi_probe()
159 		if (IS_ERR(dev->regmap[i])) {  in ksz8863_smi_probe()
160 			return dev_err_probe(&mdiodev->dev,  in ksz8863_smi_probe()
161 					     PTR_ERR(dev->regmap[i]),  in ksz8863_smi_probe()
167 	if (mdiodev->dev.platform_data)  in ksz8863_smi_probe()
168 		dev->pdata = mdiodev->dev.platform_data;  in ksz8863_smi_probe()
172 	/* Main DSA driver may not be started yet. */  in ksz8863_smi_probe()
176 	dev_set_drvdata(&mdiodev->dev, dev);  in ksz8863_smi_probe()
183 	struct ksz_device *dev = dev_get_drvdata(&mdiodev->dev);  in ksz8863_smi_remove()
191 	struct ksz_device *dev = dev_get_drvdata(&mdiodev->dev);  in ksz8863_smi_shutdown()
194 		dsa_switch_shutdown(dev->ds);  in ksz8863_smi_shutdown()
196 	dev_set_drvdata(&mdiodev->dev, NULL);  in ksz8863_smi_shutdown()
217 		.name	= "ksz8863-switch",
226 MODULE_LICENSE("GPL v2");