From: Mika Westerberg Date: Fri, 16 Dec 2022 14:28:05 +0000 (+0200) Subject: thunderbolt: Do not touch lane 1 adapter path config space X-Git-Tag: v6.5-rc1~73^2~11^2~18 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2ad3e1314cafad9a8edbefed2b19d2a101cdb4fc;p=thirdparty%2Fkernel%2Flinux.git 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 --- 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))