131 	struct mctp_i2c_client *mcli = NULL;  in mctp_i2c_new_client()  local
157 	mcli = kzalloc(sizeof(*mcli), GFP_KERNEL);  in mctp_i2c_new_client()
158 	if (!mcli) {  in mctp_i2c_new_client()
162 	spin_lock_init(&mcli->sel_lock);  in mctp_i2c_new_client()
163 	INIT_LIST_HEAD(&mcli->devs);  in mctp_i2c_new_client()
164 	INIT_LIST_HEAD(&mcli->list);  in mctp_i2c_new_client()
165 	mcli->lladdr = client->addr & 0xff;  in mctp_i2c_new_client()
166 	mcli->client = client;  in mctp_i2c_new_client()
167 	i2c_set_clientdata(client, mcli);  in mctp_i2c_new_client()
169 	rc = i2c_slave_register(mcli->client, mctp_i2c_slave_cb);  in mctp_i2c_new_client()
172 		mcli->client = NULL;  in mctp_i2c_new_client()
177 	return mcli;  in mctp_i2c_new_client()
179 	if (mcli) {  in mctp_i2c_new_client()
180 		if (mcli->client)  in mctp_i2c_new_client()
181 			i2c_unregister_device(mcli->client);  in mctp_i2c_new_client()
182 		kfree(mcli);  in mctp_i2c_new_client()
187 static void mctp_i2c_free_client(struct mctp_i2c_client *mcli)  in mctp_i2c_free_client()  argument
192 	WARN_ON(!list_empty(&mcli->devs));  in mctp_i2c_free_client()
193 	WARN_ON(mcli->sel); /* sanity check, no locking */  in mctp_i2c_free_client()
195 	rc = i2c_slave_unregister(mcli->client);  in mctp_i2c_free_client()
198 		dev_err(&mcli->client->dev, "i2c unregister failed %d\n", rc);  in mctp_i2c_free_client()
200 		kfree(mcli);  in mctp_i2c_free_client()
206 static void __mctp_i2c_device_select(struct mctp_i2c_client *mcli,  in __mctp_i2c_device_select()  argument
209 	assert_spin_locked(&mcli->sel_lock);  in __mctp_i2c_device_select()
212 	if (mcli->sel)  in __mctp_i2c_device_select()
213 		dev_put(mcli->sel->ndev);  in __mctp_i2c_device_select()
214 	mcli->sel = midev;  in __mctp_i2c_device_select()
218 static void mctp_i2c_device_select(struct mctp_i2c_client *mcli,  in mctp_i2c_device_select()  argument
223 	spin_lock_irqsave(&mcli->sel_lock, flags);  in mctp_i2c_device_select()
224 	__mctp_i2c_device_select(mcli, midev);  in mctp_i2c_device_select()
225 	spin_unlock_irqrestore(&mcli->sel_lock, flags);  in mctp_i2c_device_select()
231 	struct mctp_i2c_client *mcli = i2c_get_clientdata(client);  in mctp_i2c_slave_cb()  local
236 	spin_lock_irqsave(&mcli->sel_lock, flags);  in mctp_i2c_slave_cb()
237 	midev = mcli->sel;  in mctp_i2c_slave_cb()
240 	spin_unlock_irqrestore(&mcli->sel_lock, flags);  in mctp_i2c_slave_cb()
257 		midev->rx_buffer[0] = mcli->lladdr << 1;  in mctp_i2c_slave_cb()
688 						struct mctp_i2c_client *mcli,  in mctp_i2c_midev_init()  argument
702 	get_device(&mcli->client->dev);  in mctp_i2c_midev_init()
703 	midev->client = mcli;  in mctp_i2c_midev_init()
714 	spin_lock_irqsave(&mcli->sel_lock, flags);  in mctp_i2c_midev_init()
715 	list_add(&midev->list, &mcli->devs);  in mctp_i2c_midev_init()
717 	if (!mcli->sel)  in mctp_i2c_midev_init()
718 		__mctp_i2c_device_select(mcli, midev);  in mctp_i2c_midev_init()
719 	spin_unlock_irqrestore(&mcli->sel_lock, flags);  in mctp_i2c_midev_init()
730 	struct mctp_i2c_client *mcli = midev->client;  in mctp_i2c_midev_free()  local
742 	spin_lock_irqsave(&mcli->sel_lock, flags);  in mctp_i2c_midev_free()
744 	if (mcli->sel == midev) {  in mctp_i2c_midev_free()
747 		first = list_first_entry_or_null(&mcli->devs, struct mctp_i2c_dev, list);  in mctp_i2c_midev_free()
748 		__mctp_i2c_device_select(mcli, first);  in mctp_i2c_midev_free()
750 	spin_unlock_irqrestore(&mcli->sel_lock, flags);  in mctp_i2c_midev_free()
754 	put_device(&mcli->client->dev);  in mctp_i2c_midev_free()
802 static int mctp_i2c_add_netdev(struct mctp_i2c_client *mcli,  in mctp_i2c_add_netdev()  argument
813 	if (root != mcli->client->adapter) {  in mctp_i2c_add_netdev()
814 		dev_err(&mcli->client->dev,  in mctp_i2c_add_netdev()
816 			mcli->client->adapter->name, root->name);  in mctp_i2c_add_netdev()
824 		dev_err(&mcli->client->dev, "alloc netdev failed\n");  in mctp_i2c_add_netdev()
830 	dev_addr_set(ndev, &mcli->lladdr);  in mctp_i2c_add_netdev()
832 	midev = mctp_i2c_midev_init(ndev, mcli, adap);  in mctp_i2c_add_netdev()
841 		dev_err(&mcli->client->dev,  in mctp_i2c_add_netdev()
861 static void mctp_i2c_remove_netdev(struct mctp_i2c_client *mcli,  in mctp_i2c_remove_netdev()  argument
868 	spin_lock_irqsave(&mcli->sel_lock, flags);  in mctp_i2c_remove_netdev()
870 	list_for_each_entry(m, &mcli->devs, list)  in mctp_i2c_remove_netdev()
875 	spin_unlock_irqrestore(&mcli->sel_lock, flags);  in mctp_i2c_remove_netdev()
918 	struct mctp_i2c_client *mcli = data;  in mctp_i2c_client_try_attach()  local
923 	if (mcli->client->adapter != root)  in mctp_i2c_client_try_attach()
931 	return mctp_i2c_add_netdev(mcli, adap);  in mctp_i2c_client_try_attach()
936 	struct mctp_i2c_client *mcli = NULL, *m = NULL;  in mctp_i2c_notify_add()  local
951 			mcli = m;  in mctp_i2c_notify_add()
956 	if (mcli) {  in mctp_i2c_notify_add()
957 		rc = mctp_i2c_add_netdev(mcli, adap);  in mctp_i2c_notify_add()
967 	struct mctp_i2c_client *mcli = NULL;  in mctp_i2c_notify_del()  local
974 	list_for_each_entry(mcli, &driver_clients, list) {  in mctp_i2c_notify_del()
975 		if (mcli->client->adapter == root) {  in mctp_i2c_notify_del()
976 			mctp_i2c_remove_netdev(mcli, adap);  in mctp_i2c_notify_del()
985 	struct mctp_i2c_client *mcli = NULL;  in mctp_i2c_probe()  local
989 	mcli = mctp_i2c_new_client(client);  in mctp_i2c_probe()
990 	if (IS_ERR(mcli)) {  in mctp_i2c_probe()
991 		rc = PTR_ERR(mcli);  in mctp_i2c_probe()
992 		mcli = NULL;  in mctp_i2c_probe()
995 		list_add(&mcli->list, &driver_clients);  in mctp_i2c_probe()
999 	i2c_for_each_dev(mcli, mctp_i2c_client_try_attach);  in mctp_i2c_probe()
1008 	struct mctp_i2c_client *mcli = i2c_get_clientdata(client);  in mctp_i2c_remove()  local
1012 	list_del(&mcli->list);  in mctp_i2c_remove()
1014 	list_for_each_entry_safe(midev, tmp, &mcli->devs, list)  in mctp_i2c_remove()
1017 	mctp_i2c_free_client(mcli);  in mctp_i2c_remove()