41 	struct mdio_mux_parent_bus *pb = cb->parent;  in mdio_mux_read()  local
44 	mutex_lock_nested(&pb->mii_bus->mdio_lock, MDIO_MUTEX_MUX);  in mdio_mux_read()
45 	r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data);  in mdio_mux_read()
49 	pb->current_child = cb->bus_number;  in mdio_mux_read()
51 	r = pb->mii_bus->read(pb->mii_bus, phy_id, regnum);  in mdio_mux_read()
53 	mutex_unlock(&pb->mii_bus->mdio_lock);  in mdio_mux_read()
62 	struct mdio_mux_parent_bus *pb = cb->parent;  in mdio_mux_read_c45()  local
65 	mutex_lock_nested(&pb->mii_bus->mdio_lock, MDIO_MUTEX_MUX);  in mdio_mux_read_c45()
66 	r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data);  in mdio_mux_read_c45()
70 	pb->current_child = cb->bus_number;  in mdio_mux_read_c45()
72 	r = pb->mii_bus->read_c45(pb->mii_bus, phy_id, dev_addr, regnum);  in mdio_mux_read_c45()
74 	mutex_unlock(&pb->mii_bus->mdio_lock);  in mdio_mux_read_c45()
86 	struct mdio_mux_parent_bus *pb = cb->parent;  in mdio_mux_write()  local
90 	mutex_lock_nested(&pb->mii_bus->mdio_lock, MDIO_MUTEX_MUX);  in mdio_mux_write()
91 	r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data);  in mdio_mux_write()
95 	pb->current_child = cb->bus_number;  in mdio_mux_write()
97 	r = pb->mii_bus->write(pb->mii_bus, phy_id, regnum, val);  in mdio_mux_write()
99 	mutex_unlock(&pb->mii_bus->mdio_lock);  in mdio_mux_write()
108 	struct mdio_mux_parent_bus *pb = cb->parent;  in mdio_mux_write_c45()  local
112 	mutex_lock_nested(&pb->mii_bus->mdio_lock, MDIO_MUTEX_MUX);  in mdio_mux_write_c45()
113 	r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data);  in mdio_mux_write_c45()
117 	pb->current_child = cb->bus_number;  in mdio_mux_write_c45()
119 	r = pb->mii_bus->write_c45(pb->mii_bus, phy_id, dev_addr, regnum, val);  in mdio_mux_write_c45()
121 	mutex_unlock(&pb->mii_bus->mdio_lock);  in mdio_mux_write_c45()
128 static void mdio_mux_uninit_children(struct mdio_mux_parent_bus *pb)  in mdio_mux_uninit_children()  argument
130 	struct mdio_mux_child_bus *cb = pb->children;  in mdio_mux_uninit_children()
150 	struct mdio_mux_parent_bus *pb;  in mdio_mux_init()  local
174 	pb = devm_kzalloc(dev, sizeof(*pb), GFP_KERNEL);  in mdio_mux_init()
175 	if (!pb) {  in mdio_mux_init()
180 	pb->switch_data = data;  in mdio_mux_init()
181 	pb->switch_fn = switch_fn;  in mdio_mux_init()
182 	pb->current_child = -1;  in mdio_mux_init()
183 	pb->parent_id = parent_count++;  in mdio_mux_init()
184 	pb->mii_bus = parent_bus;  in mdio_mux_init()
204 		cb->parent = pb;  in mdio_mux_init()
215 			 cb->mii_bus->name, pb->parent_id, v);  in mdio_mux_init()
235 			cb->next = pb->children;  in mdio_mux_init()
236 			pb->children = cb;  in mdio_mux_init()
239 	if (pb->children) {  in mdio_mux_init()
240 		*mux_handle = pb;  in mdio_mux_init()
247 	mdio_mux_uninit_children(pb);  in mdio_mux_init()
259 	struct mdio_mux_parent_bus *pb = mux_handle;  in mdio_mux_uninit()  local
261 	mdio_mux_uninit_children(pb);  in mdio_mux_uninit()
262 	put_device(&pb->mii_bus->dev);  in mdio_mux_uninit()