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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2017-10-04 15:19:20 +0300 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2018-03-09 12:54:10 +0300 |
| commit | b6b0ea70f4254139e204870937cdb24d88dfac68 (patch) | |
| tree | f4792fa84b8cb75c1a5d8f688a3979e7007c873e /drivers | |
| parent | 432019d644878dbefd8ec2482cb01ec68b8722b9 (diff) | |
| download | linux-stable-b6b0ea70f4254139e204870937cdb24d88dfac68.tar.gz linux-stable-b6b0ea70f4254139e204870937cdb24d88dfac68.tar.bz2 linux-stable-b6b0ea70f4254139e204870937cdb24d88dfac68.zip | |
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 <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/thunderbolt/tb.h | 7 |
1 files changed, 7 insertions, 0 deletions
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); |