From b6b0ea70f4254139e204870937cdb24d88dfac68 Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Wed, 4 Oct 2017 15:19:20 +0300 Subject: thunderbolt: Add tb_switch_get() Sometimes there is need for increasing reference count of a switch as well. This also follows what we have for xdomains. Signed-off-by: Mika Westerberg Reviewed-by: Andy Shevchenko --- drivers/thunderbolt/tb.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/thunderbolt') diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 895c57a0a090..c7bd77e9c2c3 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -387,6 +387,13 @@ struct tb_switch *tb_switch_find_by_link_depth(struct tb *tb, u8 link, u8 depth); struct tb_switch *tb_switch_find_by_uuid(struct tb *tb, const uuid_t *uuid); +static inline struct tb_switch *tb_switch_get(struct tb_switch *sw) +{ + if (sw) + get_device(&sw->dev); + return sw; +} + static inline void tb_switch_put(struct tb_switch *sw) { put_device(&sw->dev); -- cgit v1.2.3