diff options
Diffstat (limited to 'drivers/thunderbolt/acpi.c')
| -rw-r--r-- | drivers/thunderbolt/acpi.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/thunderbolt/acpi.c b/drivers/thunderbolt/acpi.c index 3514bf65b7a4..38fefd0e5268 100644 --- a/drivers/thunderbolt/acpi.c +++ b/drivers/thunderbolt/acpi.c @@ -296,16 +296,15 @@ static bool tb_acpi_bus_match(struct device *dev) static struct acpi_device *tb_acpi_switch_find_companion(struct tb_switch *sw) { + struct tb_switch *parent_sw = tb_switch_parent(sw); struct acpi_device *adev = NULL; - struct tb_switch *parent_sw; /* * Device routers exists under the downstream facing USB4 port * of the parent router. Their _ADR is always 0. */ - parent_sw = tb_switch_parent(sw); if (parent_sw) { - struct tb_port *port = tb_port_at(tb_route(sw), parent_sw); + struct tb_port *port = tb_switch_downstream_port(sw); struct acpi_device *port_adev; port_adev = acpi_find_child_by_adr(ACPI_COMPANION(&parent_sw->dev), |