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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2022-12-16 16:28:05 +0200 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2023-06-16 09:53:27 +0300 |
| commit | 2ad3e1314cafad9a8edbefed2b19d2a101cdb4fc (patch) | |
| tree | 984dcbf28d4835e161f1b4cffb527a5ea1e691a0 /drivers/thunderbolt | |
| parent | 4796efdd16a8066919a3ff479e0bbc14bac816ff (diff) | |
| download | linux-stable-2ad3e1314cafad9a8edbefed2b19d2a101cdb4fc.tar.gz linux-stable-2ad3e1314cafad9a8edbefed2b19d2a101cdb4fc.tar.bz2 linux-stable-2ad3e1314cafad9a8edbefed2b19d2a101cdb4fc.zip | |
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 <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt')
| -rw-r--r-- | drivers/thunderbolt/switch.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 0c11caec7e8e..47961afdcc73 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)) |