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Diffstat (limited to 'drivers/thunderbolt/tb.h')
| -rw-r--r-- | drivers/thunderbolt/tb.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 869ac360e1b5..80e28124f583 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -866,6 +866,15 @@ static inline struct tb_port *tb_switch_downstream_port(struct tb_switch *sw) return tb_port_at(tb_route(sw), tb_switch_parent(sw)); } +/** + * tb_switch_depth() - Returns depth of the connected router + * @sw: Router + */ +static inline int tb_switch_depth(const struct tb_switch *sw) +{ + return sw->config.depth; +} + static inline bool tb_switch_is_light_ridge(const struct tb_switch *sw) { return sw->config.vendor_id == PCI_VENDOR_ID_INTEL && |