117 	struct dsa_switch *ds;  in dsa_tree_find_port_by_node()  local
122 		ds = dst->ds[device];  in dsa_tree_find_port_by_node()
123 		if (!ds)  in dsa_tree_find_port_by_node()
126 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_find_port_by_node()
127 			dp = &ds->ports[port];  in dsa_tree_find_port_by_node()
139 	struct dsa_switch *ds = dp->ds;  in dsa_port_setup_routing_table()  local
140 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_setup_routing_table()
153 		ds->rtable[link_dp->ds->index] = dp->index;  in dsa_port_setup_routing_table()
159 static bool dsa_switch_setup_routing_table(struct dsa_switch *ds)  in dsa_switch_setup_routing_table()  argument
166 		ds->rtable[i] = DSA_RTABLE_NONE;  in dsa_switch_setup_routing_table()
168 	for (i = 0; i < ds->num_ports; i++) {  in dsa_switch_setup_routing_table()
169 		dp = &ds->ports[i];  in dsa_switch_setup_routing_table()
183 	struct dsa_switch *ds;  in dsa_tree_setup_routing_table()  local
188 		ds = dst->ds[device];  in dsa_tree_setup_routing_table()
189 		if (!ds)  in dsa_tree_setup_routing_table()
192 		complete = dsa_switch_setup_routing_table(ds);  in dsa_tree_setup_routing_table()
202 	struct dsa_switch *ds;  in dsa_tree_find_first_cpu()  local
207 		ds = dst->ds[device];  in dsa_tree_find_first_cpu()
208 		if (!ds)  in dsa_tree_find_first_cpu()
211 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_find_first_cpu()
212 			dp = &ds->ports[port];  in dsa_tree_find_first_cpu()
224 	struct dsa_switch *ds;  in dsa_tree_setup_default_cpu()  local
237 		ds = dst->ds[device];  in dsa_tree_setup_default_cpu()
238 		if (!ds)  in dsa_tree_setup_default_cpu()
241 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_setup_default_cpu()
242 			dp = &ds->ports[port];  in dsa_tree_setup_default_cpu()
260 	struct dsa_switch *ds = dp->ds;  in dsa_port_setup()  local
266 		err = devlink_port_register(ds->devlink, &dp->devlink_port,  in dsa_port_setup()
284 			dev_err(ds->dev, "failed to setup link for port %d.%d\n",  in dsa_port_setup()
285 				ds->index, dp->index);  in dsa_port_setup()
299 			dev_err(ds->dev, "failed to setup link for port %d.%d\n",  in dsa_port_setup()
300 				ds->index, dp->index);  in dsa_port_setup()
310 			dev_err(ds->dev, "failed to create slave for port %d.%d\n",  in dsa_port_setup()
311 				ds->index, dp->index);  in dsa_port_setup()
341 static int dsa_switch_setup(struct dsa_switch *ds)  in dsa_switch_setup()  argument
350 	ds->phys_mii_mask |= dsa_user_ports(ds);  in dsa_switch_setup()
355 	ds->devlink = devlink_alloc(&dsa_devlink_ops, 0);  in dsa_switch_setup()
356 	if (!ds->devlink)  in dsa_switch_setup()
359 	err = devlink_register(ds->devlink, ds->dev);  in dsa_switch_setup()
363 	err = ds->ops->setup(ds);  in dsa_switch_setup()
367 	err = dsa_switch_register_notifier(ds);  in dsa_switch_setup()
371 	if (!ds->slave_mii_bus && ds->ops->phy_read) {  in dsa_switch_setup()
372 		ds->slave_mii_bus = devm_mdiobus_alloc(ds->dev);  in dsa_switch_setup()
373 		if (!ds->slave_mii_bus)  in dsa_switch_setup()
376 		dsa_slave_mii_bus_init(ds);  in dsa_switch_setup()
378 		err = mdiobus_register(ds->slave_mii_bus);  in dsa_switch_setup()
386 static void dsa_switch_teardown(struct dsa_switch *ds)  in dsa_switch_teardown()  argument
388 	if (ds->slave_mii_bus && ds->ops->phy_read)  in dsa_switch_teardown()
389 		mdiobus_unregister(ds->slave_mii_bus);  in dsa_switch_teardown()
391 	dsa_switch_unregister_notifier(ds);  in dsa_switch_teardown()
393 	if (ds->devlink) {  in dsa_switch_teardown()
394 		devlink_unregister(ds->devlink);  in dsa_switch_teardown()
395 		devlink_free(ds->devlink);  in dsa_switch_teardown()
396 		ds->devlink = NULL;  in dsa_switch_teardown()
403 	struct dsa_switch *ds;  in dsa_tree_setup_switches()  local
409 		ds = dst->ds[device];  in dsa_tree_setup_switches()
410 		if (!ds)  in dsa_tree_setup_switches()
413 		err = dsa_switch_setup(ds);  in dsa_tree_setup_switches()
417 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_setup_switches()
418 			dp = &ds->ports[port];  in dsa_tree_setup_switches()
431 	struct dsa_switch *ds;  in dsa_tree_teardown_switches()  local
436 		ds = dst->ds[device];  in dsa_tree_teardown_switches()
437 		if (!ds)  in dsa_tree_teardown_switches()
440 		for (port = 0; port < ds->num_ports; port++) {  in dsa_tree_teardown_switches()
441 			dp = &ds->ports[port];  in dsa_tree_teardown_switches()
446 		dsa_switch_teardown(ds);  in dsa_tree_teardown_switches()
522 	dst->ds[index] = NULL;  in dsa_tree_remove_switch()
527 			       struct dsa_switch *ds)  in dsa_tree_add_switch()  argument
529 	unsigned int index = ds->index;  in dsa_tree_add_switch()
532 	if (dst->ds[index])  in dsa_tree_add_switch()
536 	dst->ds[index] = ds;  in dsa_tree_add_switch()
565 	struct dsa_switch *ds = dp->ds;  in dsa_port_parse_cpu()  local
566 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_parse_cpu()
570 	tag_protocol = ds->ops->get_tag_protocol(ds, dp->index);  in dsa_port_parse_cpu()
573 		dev_warn(ds->dev, "No tagger for this switch\n");  in dsa_port_parse_cpu()
610 static int dsa_switch_parse_ports_of(struct dsa_switch *ds,  in dsa_switch_parse_ports_of()  argument
620 		dev_err(ds->dev, "no ports child node found\n");  in dsa_switch_parse_ports_of()
629 		if (reg >= ds->num_ports)  in dsa_switch_parse_ports_of()
632 		dp = &ds->ports[reg];  in dsa_switch_parse_ports_of()
642 static int dsa_switch_parse_member_of(struct dsa_switch *ds,  in dsa_switch_parse_member_of()  argument
653 	ds->index = m[1];  in dsa_switch_parse_member_of()
654 	if (ds->index >= DSA_MAX_SWITCHES)  in dsa_switch_parse_member_of()
657 	ds->dst = dsa_tree_touch(m[0]);  in dsa_switch_parse_member_of()
658 	if (!ds->dst)  in dsa_switch_parse_member_of()
664 static int dsa_switch_parse_of(struct dsa_switch *ds, struct device_node *dn)  in dsa_switch_parse_of()  argument
668 	err = dsa_switch_parse_member_of(ds, dn);  in dsa_switch_parse_of()
672 	return dsa_switch_parse_ports_of(ds, dn);  in dsa_switch_parse_of()
696 static int dsa_switch_parse_ports(struct dsa_switch *ds,  in dsa_switch_parse_ports()  argument
709 		dp = &ds->ports[i];  in dsa_switch_parse_ports()
727 static int dsa_switch_parse(struct dsa_switch *ds, struct dsa_chip_data *cd)  in dsa_switch_parse()  argument
729 	ds->cd = cd;  in dsa_switch_parse()
734 	ds->index = 0;  in dsa_switch_parse()
735 	ds->dst = dsa_tree_touch(0);  in dsa_switch_parse()
736 	if (!ds->dst)  in dsa_switch_parse()
739 	return dsa_switch_parse_ports(ds, cd);  in dsa_switch_parse()
742 static int dsa_switch_add(struct dsa_switch *ds)  in dsa_switch_add()  argument
744 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_add()
746 	return dsa_tree_add_switch(dst, ds);  in dsa_switch_add()
749 static int dsa_switch_probe(struct dsa_switch *ds)  in dsa_switch_probe()  argument
751 	struct dsa_chip_data *pdata = ds->dev->platform_data;  in dsa_switch_probe()
752 	struct device_node *np = ds->dev->of_node;  in dsa_switch_probe()
756 		err = dsa_switch_parse_of(ds, np);  in dsa_switch_probe()
758 		err = dsa_switch_parse(ds, pdata);  in dsa_switch_probe()
765 	return dsa_switch_add(ds);  in dsa_switch_probe()
771 	struct dsa_switch *ds;  in dsa_switch_alloc()  local
774 	ds = devm_kzalloc(dev, size, GFP_KERNEL);  in dsa_switch_alloc()
775 	if (!ds)  in dsa_switch_alloc()
781 	if (n <= sizeof(ds->_bitmap) * 8) {  in dsa_switch_alloc()
782 		ds->bitmap = &ds->_bitmap;  in dsa_switch_alloc()
784 		ds->bitmap = devm_kcalloc(dev,  in dsa_switch_alloc()
788 		if (unlikely(!ds->bitmap))  in dsa_switch_alloc()
792 	ds->dev = dev;  in dsa_switch_alloc()
793 	ds->num_ports = n;  in dsa_switch_alloc()
795 	for (i = 0; i < ds->num_ports; ++i) {  in dsa_switch_alloc()
796 		ds->ports[i].index = i;  in dsa_switch_alloc()
797 		ds->ports[i].ds = ds;  in dsa_switch_alloc()
800 	return ds;  in dsa_switch_alloc()
804 int dsa_register_switch(struct dsa_switch *ds)  in dsa_register_switch()  argument
809 	err = dsa_switch_probe(ds);  in dsa_register_switch()
810 	dsa_tree_put(ds->dst);  in dsa_register_switch()
817 static void dsa_switch_remove(struct dsa_switch *ds)  in dsa_switch_remove()  argument
819 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_remove()
820 	unsigned int index = ds->index;  in dsa_switch_remove()
825 void dsa_unregister_switch(struct dsa_switch *ds)  in dsa_unregister_switch()  argument
828 	dsa_switch_remove(ds);  in dsa_unregister_switch()