thunderbolt: Do not touch lane 1 adapter path config space

It is not required to be implemented at all because USB4 does not use lane 1 for tunneling except when aggregated with lane 0. For this reason do not try to read the path config space of USB4 lane 1 adapters. Signed-off-by: Mika Westerberg <[email protected]>
Newerasolutiona · Jun 16, 2023 · 2ad3e13 · 2ad3e13
1 parent 4796efd
commit 2ad3e13
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
@@ -723,7 +723,7 @@ static int tb_init_port(struct tb_port *port)
 		 * can be read from the path config space. Legacy
 		 * devices we use hard-coded value.
 		 */
-		if (tb_switch_is_usb4(port->sw)) {
+		if (port->cap_usb4) {
 			struct tb_regs_hop hop;
 
 			if (!tb_port_read(port, &hop, TB_CFG_HOPS, 0, 2))