From 2ad3e1314cafad9a8edbefed2b19d2a101cdb4fc Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Fri, 16 Dec 2022 16:28:05 +0200 Subject: [PATCH] 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 --- drivers/thunderbolt/switch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 0c11caec7e8e8..47961afdcc735 100644 --- 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)) -- 2.30.2