diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:46:16 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:46:16 +0900 |
| commit | 69485d3e6d6839b46a56c77d2dffad18cb7d373f (patch) | |
| tree | 20e9de1d5fd9f6617b05e759f9326eaffaf743ee /include/linux/rwsem.h | |
| parent | f2a93e2a4c048dfb5c7ee3f159a4a1d1cb61b4b5 (diff) | |
| parent | 7881fd0fb3ecc9e367ba998a4de533e7eecbdfeb (diff) | |
Merge remote-tracking branch 'asoc/fix/adsp' into asoc-adsp
Diffstat (limited to 'include/linux/rwsem.h')
| -rw-r--r-- | include/linux/rwsem.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index 54bd7cd7ecb..8da67d625e1 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -125,8 +125,17 @@ extern void downgrade_write(struct rw_semaphore *sem); */ extern void down_read_nested(struct rw_semaphore *sem, int subclass); extern void down_write_nested(struct rw_semaphore *sem, int subclass); +extern void _down_write_nest_lock(struct rw_semaphore *sem, struct lockdep_map *nest_lock); + +# define down_write_nest_lock(sem, nest_lock) \ +do { \ + typecheck(struct lockdep_map *, &(nest_lock)->dep_map); \ + _down_write_nest_lock(sem, &(nest_lock)->dep_map); \ +} while (0); + #else # define down_read_nested(sem, subclass) down_read(sem) +# define down_write_nest_lock(sem, nest_lock) down_write(sem) # define down_write_nested(sem, subclass) down_write(sem) #endif |