net/phy/mdio_device.c

26 void mdio_device_free(struct mdio_device *mdiodev)
28 	put_device(&mdiodev->dev);
40 	struct mdio_device *mdiodev = to_mdio_device(dev);
46 	return strcmp(mdiodev->modalias, drv->name) == 0;
51 	struct mdio_device *mdiodev;
54 	mdiodev = kzalloc(sizeof(*mdiodev), GFP_KERNEL);
55 	if (!mdiodev)
58 	mdiodev->dev.release = mdio_device_release;
59 	mdiodev->dev.parent = &bus->dev;
60 	mdiodev->dev.bus = &mdio_bus_type;
61 	mdiodev->device_free = mdio_device_free;
62 	mdiodev->device_remove = mdio_device_remove;
63 	mdiodev->bus = bus;
64 	mdiodev->addr = addr;
65 	mdiodev->reset_state = -1;
67 	dev_set_name(&mdiodev->dev, PHY_ID_FMT, bus->id, addr);
69 	device_initialize(&mdiodev->dev);
71 	return mdiodev;
77  * @mdiodev: mdio_device structure to be added to the MDIO bus
79 int mdio_device_register(struct mdio_device *mdiodev)
83 	dev_dbg(&mdiodev->dev, "%s\n", __func__);
85 	err = mdiobus_register_device(mdiodev);
89 	err = device_add(&mdiodev->dev);
91 		pr_err("MDIO %d failed to add\n", mdiodev->addr);
98 	mdiobus_unregister_device(mdiodev);
106  * @mdiodev: mdio_device structure to remove
112 void mdio_device_remove(struct mdio_device *mdiodev)
114 	device_del(&mdiodev->dev);
115 	mdiobus_unregister_device(mdiodev);
119 void mdio_device_reset(struct mdio_device *mdiodev, int value)
123 	if (!mdiodev->reset_gpio && !mdiodev->reset_ctrl)
126 	if (mdiodev->reset_state == value)
129 	if (mdiodev->reset_gpio)
130 		gpiod_set_value_cansleep(mdiodev->reset_gpio, value);
132 	if (mdiodev->reset_ctrl) {
134 			reset_control_assert(mdiodev->reset_ctrl);
136 			reset_control_deassert(mdiodev->reset_ctrl);
139 	d = value ? mdiodev->reset_assert_delay : mdiodev->reset_deassert_delay;
143 	mdiodev->reset_state = value;
156 	struct mdio_device *mdiodev = to_mdio_device(dev);
157 	struct device_driver *drv = mdiodev->dev.driver;
162 	mdio_device_reset(mdiodev, 0);
165 		err = mdiodrv->probe(mdiodev);
168 			mdio_device_reset(mdiodev, 1);
177 	struct mdio_device *mdiodev = to_mdio_device(dev);
178 	struct device_driver *drv = mdiodev->dev.driver;
182 		mdiodrv->remove(mdiodev);
185 	mdio_device_reset(mdiodev, 1);
192 	struct mdio_device *mdiodev = to_mdio_device(dev);
193 	struct device_driver *drv = mdiodev->dev.driver;
197 		mdiodrv->shutdown(mdiodev);