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thunderbolt: Do not touch lane 1 adapter path config space

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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 <mika.westerberg@linux.intel.com>
This commit is contained in:
Mika Westerberg 2022-12-16 16:28:05 +02:00
parent 4796efdd16
commit 2ad3e1314c
1 changed files with 1 additions and 1 deletions
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2
drivers/thunderbolt/switch.c
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@ -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))