diff options
Diffstat (limited to 'include/linux/thunderbolt.h')
| -rw-r--r-- | include/linux/thunderbolt.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h index 910b1bf92112..43b8d1e09341 100644 --- a/include/linux/thunderbolt.h +++ b/include/linux/thunderbolt.h @@ -78,6 +78,13 @@ struct tb { extern struct bus_type tb_bus_type; +#define TB_LINKS_PER_PHY_PORT 2 + +static inline unsigned int tb_phy_port_from_link(unsigned int link) +{ + return (link - 1) / TB_LINKS_PER_PHY_PORT; +} + /** * struct tb_property_dir - XDomain property directory * @uuid: Directory UUID or %NULL if root directory |