205 static int tb_pci_init_credits(struct tb_path_hop *hop)  in tb_pci_init_credits()  argument
207 	struct tb_port *port = hop->in_port;  in tb_pci_init_credits()
228 	hop->initial_credits = credits;  in tb_pci_init_credits()
234 	struct tb_path_hop *hop;  in tb_pci_init_path()  local
244 	tb_path_for_each_hop(path, hop) {  in tb_pci_init_path()
247 		ret = tb_pci_init_credits(hop);  in tb_pci_init_path()
1205 static void tb_dp_init_aux_credits(struct tb_path_hop *hop)  in tb_dp_init_aux_credits()  argument
1207 	struct tb_port *port = hop->in_port;  in tb_dp_init_aux_credits()
1211 		hop->initial_credits = sw->min_dp_aux_credits;  in tb_dp_init_aux_credits()
1213 		hop->initial_credits = 1;  in tb_dp_init_aux_credits()
1218 	struct tb_path_hop *hop;  in tb_dp_init_aux_path()  local
1227 	tb_path_for_each_hop(path, hop)  in tb_dp_init_aux_path()
1228 		tb_dp_init_aux_credits(hop);  in tb_dp_init_aux_path()
1231 static int tb_dp_init_video_credits(struct tb_path_hop *hop)  in tb_dp_init_video_credits()  argument
1233 	struct tb_port *port = hop->in_port;  in tb_dp_init_video_credits()
1252 		hop->nfc_credits = sw->min_dp_main_credits;  in tb_dp_init_video_credits()
1254 		hop->nfc_credits = min(port->total_credits - 2, 12U);  in tb_dp_init_video_credits()
1262 	struct tb_path_hop *hop;  in tb_dp_init_video_path()  local
1271 	tb_path_for_each_hop(path, hop) {  in tb_dp_init_video_path()
1274 		ret = tb_dp_init_video_credits(hop);  in tb_dp_init_video_path()
1501 static int tb_dma_reserve_credits(struct tb_path_hop *hop, unsigned int credits)  in tb_dma_reserve_credits()  argument
1503 	struct tb_port *port = hop->in_port;  in tb_dma_reserve_credits()
1529 	hop->initial_credits = credits;  in tb_dma_reserve_credits()
1536 	struct tb_path_hop *hop;  in tb_dma_init_rx_path()  local
1552 	hop = &path->hops[0];  in tb_dma_init_rx_path()
1553 	tmp = min(tb_usable_credits(hop->in_port), credits);  in tb_dma_init_rx_path()
1554 	hop->initial_credits = tmp;  in tb_dma_init_rx_path()
1555 	hop->in_port->dma_credits += tmp;  in tb_dma_init_rx_path()
1571 	struct tb_path_hop *hop;  in tb_dma_init_tx_path()  local
1581 	tb_path_for_each_hop(path, hop) {  in tb_dma_init_tx_path()
1584 		ret = tb_dma_reserve_credits(hop, credits);  in tb_dma_init_tx_path()
1592 static void tb_dma_release_credits(struct tb_path_hop *hop)  in tb_dma_release_credits()  argument
1594 	struct tb_port *port = hop->in_port;  in tb_dma_release_credits()
1597 		port->dma_credits -= hop->initial_credits;  in tb_dma_release_credits()
1600 			    hop->initial_credits);  in tb_dma_release_credits()
1606 	struct tb_path_hop *hop;  in tb_dma_deinit_path()  local
1608 	tb_path_for_each_hop(path, hop)  in tb_dma_deinit_path()
1609 		tb_dma_release_credits(hop);  in tb_dma_deinit_path()
1900 static void tb_usb3_init_credits(struct tb_path_hop *hop)  in tb_usb3_init_credits()  argument
1902 	struct tb_port *port = hop->in_port;  in tb_usb3_init_credits()
1915 	hop->initial_credits = credits;  in tb_usb3_init_credits()
1920 	struct tb_path_hop *hop;  in tb_usb3_init_path()  local
1930 	tb_path_for_each_hop(path, hop)  in tb_usb3_init_path()
1931 		tb_usb3_init_credits(hop);  in tb_usb3_init_path()
2005 		 * hop tunnel.  in tb_tunnel_discover_usb3()