114 	struct dsa_switch *ds;  in dsa_tree_find_port_by_node()  local
119 		ds = dst->ds[device];  in dsa_tree_find_port_by_node()
120 		if (!ds)  in dsa_tree_find_port_by_node()
123 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_find_port_by_node()
124 			dp = &ds->ports[port];  in dsa_tree_find_port_by_node()
136 	struct dsa_switch *ds = dp->ds;  in dsa_port_setup_routing_table()  local
137 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_setup_routing_table()
150 		ds->rtable[link_dp->ds->index] = dp->index;  in dsa_port_setup_routing_table()
156 static bool dsa_switch_setup_routing_table(struct dsa_switch *ds)  in dsa_switch_setup_routing_table()  argument
163 		ds->rtable[i] = DSA_RTABLE_NONE;  in dsa_switch_setup_routing_table()
165 	for (i = 0; i < ds->num_ports; i++) {  in dsa_switch_setup_routing_table()
166 		dp = &ds->ports[i];  in dsa_switch_setup_routing_table()
180 	struct dsa_switch *ds;  in dsa_tree_setup_routing_table()  local
185 		ds = dst->ds[device];  in dsa_tree_setup_routing_table()
186 		if (!ds)  in dsa_tree_setup_routing_table()
189 		complete = dsa_switch_setup_routing_table(ds);  in dsa_tree_setup_routing_table()
199 	struct dsa_switch *ds;  in dsa_tree_find_first_cpu()  local
204 		ds = dst->ds[device];  in dsa_tree_find_first_cpu()
205 		if (!ds)  in dsa_tree_find_first_cpu()
208 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_find_first_cpu()
209 			dp = &ds->ports[port];  in dsa_tree_find_first_cpu()
221 	struct dsa_switch *ds;  in dsa_tree_setup_default_cpu()  local
234 		ds = dst->ds[device];  in dsa_tree_setup_default_cpu()
235 		if (!ds)  in dsa_tree_setup_default_cpu()
238 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_setup_default_cpu()
239 			dp = &ds->ports[port];  in dsa_tree_setup_default_cpu()
257 	struct dsa_switch *ds = dp->ds;  in dsa_port_setup()  local
258 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_setup()
264 	struct devlink *dl = ds->devlink;  in dsa_port_setup()
368 static int dsa_switch_setup(struct dsa_switch *ds)  in dsa_switch_setup()  argument
377 	ds->phys_mii_mask |= dsa_user_ports(ds);  in dsa_switch_setup()
382 	ds->devlink = devlink_alloc(&dsa_devlink_ops, 0);  in dsa_switch_setup()
383 	if (!ds->devlink)  in dsa_switch_setup()
386 	err = devlink_register(ds->devlink, ds->dev);  in dsa_switch_setup()
390 	err = dsa_switch_register_notifier(ds);  in dsa_switch_setup()
394 	err = ds->ops->setup(ds);  in dsa_switch_setup()
398 	if (!ds->slave_mii_bus && ds->ops->phy_read) {  in dsa_switch_setup()
399 		ds->slave_mii_bus = devm_mdiobus_alloc(ds->dev);  in dsa_switch_setup()
400 		if (!ds->slave_mii_bus) {  in dsa_switch_setup()
405 		dsa_slave_mii_bus_init(ds);  in dsa_switch_setup()
407 		err = mdiobus_register(ds->slave_mii_bus);  in dsa_switch_setup()
415 	dsa_switch_unregister_notifier(ds);  in dsa_switch_setup()
417 	devlink_unregister(ds->devlink);  in dsa_switch_setup()
419 	devlink_free(ds->devlink);  in dsa_switch_setup()
420 	ds->devlink = NULL;  in dsa_switch_setup()
425 static void dsa_switch_teardown(struct dsa_switch *ds)  in dsa_switch_teardown()  argument
427 	if (ds->slave_mii_bus && ds->ops->phy_read)  in dsa_switch_teardown()
428 		mdiobus_unregister(ds->slave_mii_bus);  in dsa_switch_teardown()
430 	dsa_switch_unregister_notifier(ds);  in dsa_switch_teardown()
432 	if (ds->ops->teardown)  in dsa_switch_teardown()
433 		ds->ops->teardown(ds);  in dsa_switch_teardown()
435 	if (ds->devlink) {  in dsa_switch_teardown()
436 		devlink_unregister(ds->devlink);  in dsa_switch_teardown()
437 		devlink_free(ds->devlink);  in dsa_switch_teardown()
438 		ds->devlink = NULL;  in dsa_switch_teardown()
445 	struct dsa_switch *ds;  in dsa_tree_setup_switches()  local
451 		ds = dst->ds[device];  in dsa_tree_setup_switches()
452 		if (!ds)  in dsa_tree_setup_switches()
455 		err = dsa_switch_setup(ds);  in dsa_tree_setup_switches()
459 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_setup_switches()
460 			dp = &ds->ports[port];  in dsa_tree_setup_switches()
472 		dsa_port_teardown(&ds->ports[i]);  in dsa_tree_setup_switches()
474 	dsa_switch_teardown(ds);  in dsa_tree_setup_switches()
478 		ds = dst->ds[i];  in dsa_tree_setup_switches()
479 		if (!ds)  in dsa_tree_setup_switches()
482 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_setup_switches()
483 			dp = &ds->ports[port];  in dsa_tree_setup_switches()
488 		dsa_switch_teardown(ds);  in dsa_tree_setup_switches()
496 	struct dsa_switch *ds;  in dsa_tree_teardown_switches()  local
501 		ds = dst->ds[device];  in dsa_tree_teardown_switches()
502 		if (!ds)  in dsa_tree_teardown_switches()
505 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_teardown_switches()
506 			dp = &ds->ports[port];  in dsa_tree_teardown_switches()
511 		dsa_switch_teardown(ds);  in dsa_tree_teardown_switches()
594 	dst->ds[index] = NULL;  in dsa_tree_remove_switch()
599 			       struct dsa_switch *ds)  in dsa_tree_add_switch()  argument
601 	unsigned int index = ds->index;  in dsa_tree_add_switch()
604 	if (dst->ds[index])  in dsa_tree_add_switch()
608 	dst->ds[index] = ds;  in dsa_tree_add_switch()
612 		dst->ds[index] = NULL;  in dsa_tree_add_switch()
639 	struct dsa_switch *ds = dp->ds;  in dsa_port_parse_cpu()  local
640 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_parse_cpu()
644 	tag_protocol = ds->ops->get_tag_protocol(ds, dp->index);  in dsa_port_parse_cpu()
649 		dev_warn(ds->dev, "No tagger for this switch\n");  in dsa_port_parse_cpu()
687 static int dsa_switch_parse_ports_of(struct dsa_switch *ds,  in dsa_switch_parse_ports_of()  argument
697 		dev_err(ds->dev, "no ports child node found\n");  in dsa_switch_parse_ports_of()
706 		if (reg >= ds->num_ports) {  in dsa_switch_parse_ports_of()
711 		dp = &ds->ports[reg];  in dsa_switch_parse_ports_of()
723 static int dsa_switch_parse_member_of(struct dsa_switch *ds,  in dsa_switch_parse_member_of()  argument
734 	ds->index = m[1];  in dsa_switch_parse_member_of()
735 	if (ds->index >= DSA_MAX_SWITCHES)  in dsa_switch_parse_member_of()
738 	ds->dst = dsa_tree_touch(m[0]);  in dsa_switch_parse_member_of()
739 	if (!ds->dst)  in dsa_switch_parse_member_of()
745 static int dsa_switch_parse_of(struct dsa_switch *ds, struct device_node *dn)  in dsa_switch_parse_of()  argument
749 	err = dsa_switch_parse_member_of(ds, dn);  in dsa_switch_parse_of()
753 	return dsa_switch_parse_ports_of(ds, dn);  in dsa_switch_parse_of()
777 static int dsa_switch_parse_ports(struct dsa_switch *ds,  in dsa_switch_parse_ports()  argument
790 		dp = &ds->ports[i];  in dsa_switch_parse_ports()
808 static int dsa_switch_parse(struct dsa_switch *ds, struct dsa_chip_data *cd)  in dsa_switch_parse()  argument
810 	ds->cd = cd;  in dsa_switch_parse()
815 	ds->index = 0;  in dsa_switch_parse()
816 	ds->dst = dsa_tree_touch(0);  in dsa_switch_parse()
817 	if (!ds->dst)  in dsa_switch_parse()
820 	return dsa_switch_parse_ports(ds, cd);  in dsa_switch_parse()
823 static int dsa_switch_add(struct dsa_switch *ds)  in dsa_switch_add()  argument
825 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_add()
827 	return dsa_tree_add_switch(dst, ds);  in dsa_switch_add()
830 static int dsa_switch_probe(struct dsa_switch *ds)  in dsa_switch_probe()  argument
832 	struct dsa_chip_data *pdata = ds->dev->platform_data;  in dsa_switch_probe()
833 	struct device_node *np = ds->dev->of_node;  in dsa_switch_probe()
837 		err = dsa_switch_parse_of(ds, np);  in dsa_switch_probe()
839 		err = dsa_switch_parse(ds, pdata);  in dsa_switch_probe()
846 	return dsa_switch_add(ds);  in dsa_switch_probe()
851 	struct dsa_switch *ds;  in dsa_switch_alloc()  local
854 	ds = devm_kzalloc(dev, struct_size(ds, ports, n), GFP_KERNEL);  in dsa_switch_alloc()
855 	if (!ds)  in dsa_switch_alloc()
858 	ds->dev = dev;  in dsa_switch_alloc()
859 	ds->num_ports = n;  in dsa_switch_alloc()
861 	for (i = 0; i < ds->num_ports; ++i) {  in dsa_switch_alloc()
862 		ds->ports[i].index = i;  in dsa_switch_alloc()
863 		ds->ports[i].ds = ds;  in dsa_switch_alloc()
866 	return ds;  in dsa_switch_alloc()
870 int dsa_register_switch(struct dsa_switch *ds)  in dsa_register_switch()  argument
875 	err = dsa_switch_probe(ds);  in dsa_register_switch()
876 	dsa_tree_put(ds->dst);  in dsa_register_switch()
883 static void dsa_switch_remove(struct dsa_switch *ds)  in dsa_switch_remove()  argument
885 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_remove()
886 	unsigned int index = ds->index;  in dsa_switch_remove()
891 void dsa_unregister_switch(struct dsa_switch *ds)  in dsa_unregister_switch()  argument
894 	dsa_switch_remove(ds);  in dsa_unregister_switch()