51 	struct mii_bus *bus;  in mdiobus_alloc_size()  local
52 	size_t aligned_size = ALIGN(sizeof(*bus), NETDEV_ALIGN);  in mdiobus_alloc_size()
59 		alloc_size = sizeof(*bus);  in mdiobus_alloc_size()
61 	bus = kzalloc(alloc_size, GFP_KERNEL);  in mdiobus_alloc_size()
62 	if (bus) {  in mdiobus_alloc_size()
63 		bus->state = MDIOBUS_ALLOCATED;  in mdiobus_alloc_size()
65 			bus->priv = (void *)bus + aligned_size;  in mdiobus_alloc_size()
68 	return bus;  in mdiobus_alloc_size()
103 	struct mii_bus **ptr, *bus;  in devm_mdiobus_alloc_size()  local
110 	bus = mdiobus_alloc_size(sizeof_priv);  in devm_mdiobus_alloc_size()
111 	if (bus) {  in devm_mdiobus_alloc_size()
112 		*ptr = bus;  in devm_mdiobus_alloc_size()
118 	return bus;  in devm_mdiobus_alloc_size()
129 void devm_mdiobus_free(struct device *dev, struct mii_bus *bus)  in devm_mdiobus_free()  argument
134 			    devm_mdiobus_match, bus);  in devm_mdiobus_free()
148 	struct mii_bus *bus = to_mii_bus(d);  in mdiobus_release()  local
149 	BUG_ON(bus->state != MDIOBUS_RELEASED &&  in mdiobus_release()
151 	       bus->state != MDIOBUS_ALLOCATED);  in mdiobus_release()
152 	kfree(bus);  in mdiobus_release()
250 int __mdiobus_register(struct mii_bus *bus, struct module *owner)  in __mdiobus_register()  argument
254 	if (NULL == bus || NULL == bus->name ||  in __mdiobus_register()
255 	    NULL == bus->read || NULL == bus->write)  in __mdiobus_register()
258 	BUG_ON(bus->state != MDIOBUS_ALLOCATED &&  in __mdiobus_register()
259 	       bus->state != MDIOBUS_UNREGISTERED);  in __mdiobus_register()
261 	bus->owner = owner;  in __mdiobus_register()
262 	bus->dev.parent = bus->parent;  in __mdiobus_register()
263 	bus->dev.class = &mdio_bus_class;  in __mdiobus_register()
264 	bus->dev.groups = NULL;  in __mdiobus_register()
265 	dev_set_name(&bus->dev, "%s", bus->id);  in __mdiobus_register()
267 	err = device_register(&bus->dev);  in __mdiobus_register()
269 		pr_err("mii_bus %s failed to register\n", bus->id);  in __mdiobus_register()
270 		put_device(&bus->dev);  in __mdiobus_register()
274 	mutex_init(&bus->mdio_lock);  in __mdiobus_register()
276 	if (bus->reset)  in __mdiobus_register()
277 		bus->reset(bus);  in __mdiobus_register()
280 		if ((bus->phy_mask & (1 << i)) == 0) {  in __mdiobus_register()
283 			phydev = mdiobus_scan(bus, i);  in __mdiobus_register()
291 	bus->state = MDIOBUS_REGISTERED;  in __mdiobus_register()
292 	pr_info("%s: probed\n", bus->name);  in __mdiobus_register()
297 		struct phy_device *phydev = bus->phy_map[i];  in __mdiobus_register()
303 	device_del(&bus->dev);  in __mdiobus_register()
308 void mdiobus_unregister(struct mii_bus *bus)  in mdiobus_unregister()  argument
312 	BUG_ON(bus->state != MDIOBUS_REGISTERED);  in mdiobus_unregister()
313 	bus->state = MDIOBUS_UNREGISTERED;  in mdiobus_unregister()
316 		struct phy_device *phydev = bus->phy_map[i];  in mdiobus_unregister()
322 	device_del(&bus->dev);  in mdiobus_unregister()
334 void mdiobus_free(struct mii_bus *bus)  in mdiobus_free()  argument
337 	if (bus->state == MDIOBUS_ALLOCATED) {  in mdiobus_free()
338 		kfree(bus);  in mdiobus_free()
342 	BUG_ON(bus->state != MDIOBUS_UNREGISTERED);  in mdiobus_free()
343 	bus->state = MDIOBUS_RELEASED;  in mdiobus_free()
345 	put_device(&bus->dev);  in mdiobus_free()
349 struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr)  in mdiobus_scan()  argument
354 	phydev = get_phy_device(bus, addr, false);  in mdiobus_scan()
362 	of_mdiobus_link_phydev(bus, phydev);  in mdiobus_scan()
387 int mdiobus_read_nested(struct mii_bus *bus, int addr, u32 regnum)  in mdiobus_read_nested()  argument
393 	mutex_lock_nested(&bus->mdio_lock, SINGLE_DEPTH_NESTING);  in mdiobus_read_nested()
394 	retval = bus->read(bus, addr, regnum);  in mdiobus_read_nested()
395 	mutex_unlock(&bus->mdio_lock);  in mdiobus_read_nested()
411 int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum)  in mdiobus_read()  argument
417 	mutex_lock(&bus->mdio_lock);  in mdiobus_read()
418 	retval = bus->read(bus, addr, regnum);  in mdiobus_read()
419 	mutex_unlock(&bus->mdio_lock);  in mdiobus_read()
439 int mdiobus_write_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val)  in mdiobus_write_nested()  argument
445 	mutex_lock_nested(&bus->mdio_lock, SINGLE_DEPTH_NESTING);  in mdiobus_write_nested()
446 	err = bus->write(bus, addr, regnum, val);  in mdiobus_write_nested()
447 	mutex_unlock(&bus->mdio_lock);  in mdiobus_write_nested()
464 int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val)  in mdiobus_write()  argument
470 	mutex_lock(&bus->mdio_lock);  in mdiobus_write()
471 	err = bus->write(bus, addr, regnum, val);  in mdiobus_write()
472 	mutex_unlock(&bus->mdio_lock);  in mdiobus_write()