14 static const char *tb_port_type(struct tb_regs_port_header *port)  in tb_port_type()  argument
16 	switch (port->type >> 16) {  in tb_port_type()
18 		switch ((u8) port->type) {  in tb_port_type()
43 static void tb_dump_port(struct tb *tb, struct tb_regs_port_header *port)  in tb_dump_port()  argument
47 		port->port_number, port->vendor_id, port->device_id,  in tb_dump_port()
48 		port->revision, port->thunderbolt_version, tb_port_type(port),  in tb_dump_port()
49 		port->type);  in tb_dump_port()
51 		port->max_in_hop_id, port->max_out_hop_id);  in tb_dump_port()
52 	tb_info(tb, "  Max counters: %d\n", port->max_counters);  in tb_dump_port()
53 	tb_info(tb, "  NFC Credits: %#x\n", port->nfc_credits);  in tb_dump_port()
63 static int tb_port_state(struct tb_port *port)  in tb_port_state()  argument
67 	if (port->cap_phy == 0) {  in tb_port_state()
68 		tb_port_WARN(port, "does not have a PHY\n");  in tb_port_state()
71 	res = tb_port_read(port, &phy, TB_CFG_PORT, port->cap_phy, 2);  in tb_port_state()
90 int tb_wait_for_port(struct tb_port *port, bool wait_if_unplugged)  in tb_wait_for_port()  argument
94 	if (!port->cap_phy) {  in tb_wait_for_port()
95 		tb_port_WARN(port, "does not have PHY\n");  in tb_wait_for_port()
98 	if (tb_is_upstream_port(port)) {  in tb_wait_for_port()
99 		tb_port_WARN(port, "is the upstream port\n");  in tb_wait_for_port()
104 		state = tb_port_state(port);  in tb_wait_for_port()
108 			tb_port_info(port, "is disabled (state: 0)\n");  in tb_wait_for_port()
114 				tb_port_info(port,  in tb_wait_for_port()
119 			tb_port_info(port, "is unplugged (state: 7)\n");  in tb_wait_for_port()
123 			tb_port_info(port,  in tb_wait_for_port()
132 		tb_port_info(port,  in tb_wait_for_port()
137 	tb_port_warn(port,  in tb_wait_for_port()
150 int tb_port_add_nfc_credits(struct tb_port *port, int credits)  in tb_port_add_nfc_credits()  argument
154 	tb_port_info(port,  in tb_port_add_nfc_credits()
157 		     port->config.nfc_credits,  in tb_port_add_nfc_credits()
158 		     port->config.nfc_credits + credits);  in tb_port_add_nfc_credits()
159 	port->config.nfc_credits += credits;  in tb_port_add_nfc_credits()
160 	return tb_port_write(port, &port->config.nfc_credits,  in tb_port_add_nfc_credits()
169 int tb_port_clear_counter(struct tb_port *port, int counter)  in tb_port_clear_counter()  argument
172 	tb_port_info(port, "clearing counter %d\n", counter);  in tb_port_clear_counter()
173 	return tb_port_write(port, zero, TB_CFG_COUNTERS, 3 * counter, 3);  in tb_port_clear_counter()
184 static int tb_init_port(struct tb_port *port)  in tb_init_port()  argument
189 	res = tb_port_read(port, &port->config, TB_CFG_PORT, 0, 8);  in tb_init_port()
194 	if (port->config.type == TB_TYPE_PORT && port->port != 0) {  in tb_init_port()
195 		cap = tb_find_cap(port, TB_CFG_PORT, TB_CAP_PHY);  in tb_init_port()
198 			port->cap_phy = cap;  in tb_init_port()
200 			tb_port_WARN(port, "non switch port without a PHY\n");  in tb_init_port()
203 	tb_dump_port(port->sw->tb, &port->config);  in tb_init_port()
390 		sw->ports[i].port = i;  in tb_switch_alloc()
477 		struct tb_port *port = &sw->ports[i];  in tb_switch_resume()  local
478 		if (tb_is_upstream_port(port))  in tb_switch_resume()
480 		if (!port->remote)  in tb_switch_resume()
482 		if (tb_wait_for_port(port, true) <= 0  in tb_switch_resume()
483 			|| tb_switch_resume(port->remote->sw)) {  in tb_switch_resume()
484 			tb_port_warn(port,  in tb_switch_resume()
486 			tb_sw_set_unpplugged(port->remote->sw);  in tb_switch_resume()