202 static int tb_pci_init_credits(struct tb_path_hop *hop)  in tb_pci_init_credits()  argument
204 	struct tb_port *port = hop->in_port;  in tb_pci_init_credits()
225 	hop->initial_credits = credits;  in tb_pci_init_credits()
231 	struct tb_path_hop *hop;  in tb_pci_init_path()  local
241 	tb_path_for_each_hop(path, hop) {  in tb_pci_init_path()
244 		ret = tb_pci_init_credits(hop);  in tb_pci_init_path()
1164 static void tb_dp_init_aux_credits(struct tb_path_hop *hop)  in tb_dp_init_aux_credits()  argument
1166 	struct tb_port *port = hop->in_port;  in tb_dp_init_aux_credits()
1170 		hop->initial_credits = sw->min_dp_aux_credits;  in tb_dp_init_aux_credits()
1172 		hop->initial_credits = 1;  in tb_dp_init_aux_credits()
1177 	struct tb_path_hop *hop;  in tb_dp_init_aux_path()  local
1186 	tb_path_for_each_hop(path, hop)  in tb_dp_init_aux_path()
1187 		tb_dp_init_aux_credits(hop);  in tb_dp_init_aux_path()
1190 static int tb_dp_init_video_credits(struct tb_path_hop *hop)  in tb_dp_init_video_credits()  argument
1192 	struct tb_port *port = hop->in_port;  in tb_dp_init_video_credits()
1211 		hop->nfc_credits = sw->min_dp_main_credits;  in tb_dp_init_video_credits()
1213 		hop->nfc_credits = min(port->total_credits - 2, 12U);  in tb_dp_init_video_credits()
1221 	struct tb_path_hop *hop;  in tb_dp_init_video_path()  local
1230 	tb_path_for_each_hop(path, hop) {  in tb_dp_init_video_path()
1233 		ret = tb_dp_init_video_credits(hop);  in tb_dp_init_video_path()
1458 static int tb_dma_reserve_credits(struct tb_path_hop *hop, unsigned int credits)  in tb_dma_reserve_credits()  argument
1460 	struct tb_port *port = hop->in_port;  in tb_dma_reserve_credits()
1486 	hop->initial_credits = credits;  in tb_dma_reserve_credits()
1493 	struct tb_path_hop *hop;  in tb_dma_init_rx_path()  local
1509 	hop = &path->hops[0];  in tb_dma_init_rx_path()
1510 	tmp = min(tb_usable_credits(hop->in_port), credits);  in tb_dma_init_rx_path()
1511 	hop->initial_credits = tmp;  in tb_dma_init_rx_path()
1512 	hop->in_port->dma_credits += tmp;  in tb_dma_init_rx_path()
1528 	struct tb_path_hop *hop;  in tb_dma_init_tx_path()  local
1538 	tb_path_for_each_hop(path, hop) {  in tb_dma_init_tx_path()
1541 		ret = tb_dma_reserve_credits(hop, credits);  in tb_dma_init_tx_path()
1549 static void tb_dma_release_credits(struct tb_path_hop *hop)  in tb_dma_release_credits()  argument
1551 	struct tb_port *port = hop->in_port;  in tb_dma_release_credits()
1554 		port->dma_credits -= hop->initial_credits;  in tb_dma_release_credits()
1557 			    hop->initial_credits);  in tb_dma_release_credits()
1563 	struct tb_path_hop *hop;  in tb_dma_deinit_path()  local
1565 	tb_path_for_each_hop(path, hop)  in tb_dma_deinit_path()
1566 		tb_dma_release_credits(hop);  in tb_dma_deinit_path()
1848 static void tb_usb3_init_credits(struct tb_path_hop *hop)  in tb_usb3_init_credits()  argument
1850 	struct tb_port *port = hop->in_port;  in tb_usb3_init_credits()
1863 	hop->initial_credits = credits;  in tb_usb3_init_credits()
1868 	struct tb_path_hop *hop;  in tb_usb3_init_path()  local
1878 	tb_path_for_each_hop(path, hop)  in tb_usb3_init_path()
1879 		tb_usb3_init_credits(hop);  in tb_usb3_init_path()
1953 		 * hop tunnel.  in tb_tunnel_discover_usb3()